diff options
Diffstat (limited to 'drivers/clk/renesas')
36 files changed, 1392 insertions, 315 deletions
diff --git a/drivers/clk/renesas/Kconfig b/drivers/clk/renesas/Kconfig index 9022bbe1297e..b879e3e3a6b4 100644 --- a/drivers/clk/renesas/Kconfig +++ b/drivers/clk/renesas/Kconfig @@ -1,13 +1,18 @@ +# SPDX-License-Identifier: GPL-2.0 + config CLK_RENESAS bool "Renesas SoC clock support" if COMPILE_TEST && !ARCH_RENESAS default y if ARCH_RENESAS select CLK_EMEV2 if ARCH_EMEV2 select CLK_RZA1 if ARCH_R7S72100 + select CLK_R7S9210 if ARCH_R7S9210 select CLK_R8A73A4 if ARCH_R8A73A4 select CLK_R8A7740 if ARCH_R8A7740 - select CLK_R8A7743 if ARCH_R8A7743 + select CLK_R8A7743 if ARCH_R8A7743 || ARCH_R8A7744 select CLK_R8A7745 if ARCH_R8A7745 select CLK_R8A77470 if ARCH_R8A77470 + select CLK_R8A774A1 if ARCH_R8A774A1 + select CLK_R8A774C0 if ARCH_R8A774C0 select CLK_R8A7778 if ARCH_R8A7778 select CLK_R8A7779 if ARCH_R8A7779 select CLK_R8A7790 if ARCH_R8A7790 @@ -45,6 +50,10 @@ config CLK_RZA1 bool "RZ/A1H clock support" if COMPILE_TEST select CLK_RENESAS_CPG_MSTP +config CLK_R7S9210 + bool "RZ/A2 clock support" if COMPILE_TEST + select CLK_RENESAS_CPG_MSSR + config CLK_R8A73A4 bool "R-Mobile APE6 clock support" if COMPILE_TEST select CLK_RENESAS_CPG_MSTP @@ -67,6 +76,14 @@ config CLK_R8A77470 bool "RZ/G1C clock support" if COMPILE_TEST select CLK_RCAR_GEN2_CPG +config CLK_R8A774A1 + bool "RZ/G2M clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + +config CLK_R8A774C0 + bool "RZ/G2E clock support" if COMPILE_TEST + select CLK_RCAR_GEN3_CPG + config CLK_R8A7778 bool "R-Car M1A clock support" if COMPILE_TEST select CLK_RENESAS_CPG_MSTP diff --git a/drivers/clk/renesas/Makefile b/drivers/clk/renesas/Makefile index e4aa3d6143d2..c793e3cc9452 100644 --- a/drivers/clk/renesas/Makefile +++ b/drivers/clk/renesas/Makefile @@ -2,11 +2,14 @@ # SoC obj-$(CONFIG_CLK_EMEV2) += clk-emev2.o obj-$(CONFIG_CLK_RZA1) += clk-rz.o +obj-$(CONFIG_CLK_R7S9210) += r7s9210-cpg-mssr.o obj-$(CONFIG_CLK_R8A73A4) += clk-r8a73a4.o obj-$(CONFIG_CLK_R8A7740) += clk-r8a7740.o obj-$(CONFIG_CLK_R8A7743) += r8a7743-cpg-mssr.o obj-$(CONFIG_CLK_R8A7745) += r8a7745-cpg-mssr.o obj-$(CONFIG_CLK_R8A77470) += r8a77470-cpg-mssr.o +obj-$(CONFIG_CLK_R8A774A1) += r8a774a1-cpg-mssr.o +obj-$(CONFIG_CLK_R8A774C0) += r8a774c0-cpg-mssr.o obj-$(CONFIG_CLK_R8A7778) += clk-r8a7778.o obj-$(CONFIG_CLK_R8A7779) += clk-r8a7779.o obj-$(CONFIG_CLK_R8A7790) += r8a7790-cpg-mssr.o diff --git a/drivers/clk/renesas/clk-div6.c b/drivers/clk/renesas/clk-div6.c index 9febbf42c3df..57c934164306 100644 --- a/drivers/clk/renesas/clk-div6.c +++ b/drivers/clk/renesas/clk-div6.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7790 Common Clock Framework support * * Copyright (C) 2013 Renesas Solutions Corp. * * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/clk-provider.h> @@ -312,8 +309,8 @@ static void __init cpg_div6_clock_init(struct device_node *np) num_parents = of_clk_get_parent_count(np); if (num_parents < 1) { - pr_err("%s: no parent found for %s DIV6 clock\n", - __func__, np->name); + pr_err("%s: no parent found for %pOFn DIV6 clock\n", + __func__, np); return; } @@ -324,8 +321,8 @@ static void __init cpg_div6_clock_init(struct device_node *np) reg = of_iomap(np, 0); if (reg == NULL) { - pr_err("%s: failed to map %s DIV6 clock register\n", - __func__, np->name); + pr_err("%s: failed to map %pOFn DIV6 clock register\n", + __func__, np); goto error; } @@ -337,8 +334,8 @@ static void __init cpg_div6_clock_init(struct device_node *np) clk = cpg_div6_register(clk_name, num_parents, parent_names, reg, NULL); if (IS_ERR(clk)) { - pr_err("%s: failed to register %s DIV6 clock (%ld)\n", - __func__, np->name, PTR_ERR(clk)); + pr_err("%s: failed to register %pOFn DIV6 clock (%ld)\n", + __func__, np, PTR_ERR(clk)); goto error; } diff --git a/drivers/clk/renesas/clk-emev2.c b/drivers/clk/renesas/clk-emev2.c index a91825471c79..7807b30a5bbb 100644 --- a/drivers/clk/renesas/clk-emev2.c +++ b/drivers/clk/renesas/clk-emev2.c @@ -1,21 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * EMMA Mobile EV2 common clock framework support * * Copyright (C) 2013 Takashi Yoshii <takashi.yoshii.ze@renesas.com> * Copyright (C) 2012 Magnus Damm - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #include <linux/clk-provider.h> #include <linux/clkdev.h> @@ -86,8 +74,8 @@ static void __init emev2_smu_clkdiv_init(struct device_node *np) clk = clk_register_divider(NULL, np->name, parent_name, 0, smu_base + reg[0], reg[1], 8, 0, &lock); of_clk_add_provider(np, of_clk_src_simple_get, clk); - clk_register_clkdev(clk, np->name, NULL); - pr_debug("## %s %s %p\n", __func__, np->name, clk); + clk_register_clkdev(clk, np->full_name, NULL); + pr_debug("## %s %pOFn %p\n", __func__, np, clk); } CLK_OF_DECLARE(emev2_smu_clkdiv, "renesas,emev2-smu-clkdiv", emev2_smu_clkdiv_init); @@ -104,7 +92,7 @@ static void __init emev2_smu_gclk_init(struct device_node *np) clk = clk_register_gate(NULL, np->name, parent_name, 0, smu_base + reg[0], reg[1], 0, &lock); of_clk_add_provider(np, of_clk_src_simple_get, clk); - clk_register_clkdev(clk, np->name, NULL); - pr_debug("## %s %s %p\n", __func__, np->name, clk); + clk_register_clkdev(clk, np->full_name, NULL); + pr_debug("## %s %pOFn %p\n", __func__, np, clk); } CLK_OF_DECLARE(emev2_smu_gclk, "renesas,emev2-smu-gclk", emev2_smu_gclk_init); diff --git a/drivers/clk/renesas/clk-mstp.c b/drivers/clk/renesas/clk-mstp.c index e82adcb16a52..1c1768c2cc82 100644 --- a/drivers/clk/renesas/clk-mstp.c +++ b/drivers/clk/renesas/clk-mstp.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * R-Car MSTP clocks * @@ -5,10 +6,6 @@ * Copyright (C) 2015 Glider bvba * * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/clk.h> @@ -239,8 +236,8 @@ static void __init cpg_mstp_clocks_init(struct device_node *np) break; if (clkidx >= MSTP_MAX_CLOCKS) { - pr_err("%s: invalid clock %s %s index %u\n", - __func__, np->name, name, clkidx); + pr_err("%s: invalid clock %pOFn %s index %u\n", + __func__, np, name, clkidx); continue; } @@ -259,8 +256,8 @@ static void __init cpg_mstp_clocks_init(struct device_node *np) */ clk_register_clkdev(clks[clkidx], name, NULL); } else { - pr_err("%s: failed to register %s %s clock (%ld)\n", - __func__, np->name, name, PTR_ERR(clks[clkidx])); + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clks[clkidx])); } } diff --git a/drivers/clk/renesas/clk-r8a73a4.c b/drivers/clk/renesas/clk-r8a73a4.c index 7b903ce4c901..2719c248c67b 100644 --- a/drivers/clk/renesas/clk-r8a73a4.c +++ b/drivers/clk/renesas/clk-r8a73a4.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a73a4 Core CPG Clocks * * Copyright (C) 2014 Ulrich Hecht - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/clk-provider.h> @@ -228,8 +225,8 @@ static void __init r8a73a4_cpg_clocks_init(struct device_node *np) clk = r8a73a4_cpg_register_clock(np, cpg, name); if (IS_ERR(clk)) - pr_err("%s: failed to register %s %s clock (%ld)\n", - __func__, np->name, name, PTR_ERR(clk)); + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); else cpg->data.clks[i] = clk; } diff --git a/drivers/clk/renesas/clk-r8a7740.c b/drivers/clk/renesas/clk-r8a7740.c index a7a30d2eca41..5967656c13cc 100644 --- a/drivers/clk/renesas/clk-r8a7740.c +++ b/drivers/clk/renesas/clk-r8a7740.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7740 Core CPG Clocks * * Copyright (C) 2014 Ulrich Hecht - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/clk-provider.h> @@ -187,8 +184,8 @@ static void __init r8a7740_cpg_clocks_init(struct device_node *np) clk = r8a7740_cpg_register_clock(np, cpg, name); if (IS_ERR(clk)) - pr_err("%s: failed to register %s %s clock (%ld)\n", - __func__, np->name, name, PTR_ERR(clk)); + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); else cpg->data.clks[i] = clk; } diff --git a/drivers/clk/renesas/clk-r8a7778.c b/drivers/clk/renesas/clk-r8a7778.c index 886a8380e912..3ccc53685bdd 100644 --- a/drivers/clk/renesas/clk-r8a7778.c +++ b/drivers/clk/renesas/clk-r8a7778.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7778 Core CPG Clocks * * Copyright (C) 2014 Ulrich Hecht - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/clk-provider.h> @@ -130,8 +127,8 @@ static void __init r8a7778_cpg_clocks_init(struct device_node *np) clk = r8a7778_cpg_register_clock(np, cpg, name); if (IS_ERR(clk)) - pr_err("%s: failed to register %s %s clock (%ld)\n", - __func__, np->name, name, PTR_ERR(clk)); + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); else cpg->data.clks[i] = clk; } diff --git a/drivers/clk/renesas/clk-r8a7779.c b/drivers/clk/renesas/clk-r8a7779.c index 5adcca4656c3..9f3b5522eef5 100644 --- a/drivers/clk/renesas/clk-r8a7779.c +++ b/drivers/clk/renesas/clk-r8a7779.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7779 Core CPG Clocks * * Copyright (C) 2013, 2014 Horms Solutions Ltd. * * Contact: Simon Horman <horms@verge.net.au> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/clk-provider.h> @@ -164,8 +161,8 @@ static void __init r8a7779_cpg_clocks_init(struct device_node *np) clk = r8a7779_cpg_register_clock(np, cpg, config, plla_mult, name); if (IS_ERR(clk)) - pr_err("%s: failed to register %s %s clock (%ld)\n", - __func__, np->name, name, PTR_ERR(clk)); + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); else cpg->data.clks[i] = clk; } diff --git a/drivers/clk/renesas/clk-rcar-gen2.c b/drivers/clk/renesas/clk-rcar-gen2.c index bccd62f2cb09..2913b4148157 100644 --- a/drivers/clk/renesas/clk-rcar-gen2.c +++ b/drivers/clk/renesas/clk-rcar-gen2.c @@ -1,13 +1,10 @@ +// SPDX-License-Identifier: GPL-2.0 /* * rcar_gen2 Core CPG Clocks * * Copyright (C) 2013 Ideas On Board SPRL * * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/clk-provider.h> @@ -445,8 +442,8 @@ static void __init rcar_gen2_cpg_clocks_init(struct device_node *np) clk = rcar_gen2_cpg_register_clock(np, cpg, config, name); if (IS_ERR(clk)) - pr_err("%s: failed to register %s %s clock (%ld)\n", - __func__, np->name, name, PTR_ERR(clk)); + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); else cpg->data.clks[i] = clk; } diff --git a/drivers/clk/renesas/clk-rz.c b/drivers/clk/renesas/clk-rz.c index ac2f86d626b6..3cda53a97f4e 100644 --- a/drivers/clk/renesas/clk-rz.c +++ b/drivers/clk/renesas/clk-rz.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0 /* * RZ/A1 Core CPG Clocks * * Copyright (C) 2013 Ideas On Board SPRL * Copyright (C) 2014 Wolfram Sang, Sang Engineering <wsa@sang-engineering.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/clk-provider.h> @@ -113,8 +110,8 @@ static void __init rz_cpg_clocks_init(struct device_node *np) clk = rz_cpg_register_clock(np, cpg, name); if (IS_ERR(clk)) - pr_err("%s: failed to register %s %s clock (%ld)\n", - __func__, np->name, name, PTR_ERR(clk)); + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); else cpg->data.clks[i] = clk; } diff --git a/drivers/clk/renesas/clk-sh73a0.c b/drivers/clk/renesas/clk-sh73a0.c index bab33610eb6c..dc8ffc7c727a 100644 --- a/drivers/clk/renesas/clk-sh73a0.c +++ b/drivers/clk/renesas/clk-sh73a0.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * sh73a0 Core CPG Clocks * * Copyright (C) 2014 Ulrich Hecht - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/clk-provider.h> @@ -206,8 +203,8 @@ static void __init sh73a0_cpg_clocks_init(struct device_node *np) clk = sh73a0_cpg_register_clock(np, cpg, name); if (IS_ERR(clk)) - pr_err("%s: failed to register %s %s clock (%ld)\n", - __func__, np->name, name, PTR_ERR(clk)); + pr_err("%s: failed to register %pOFn %s clock (%ld)\n", + __func__, np, name, PTR_ERR(clk)); else cpg->data.clks[i] = clk; } diff --git a/drivers/clk/renesas/r7s9210-cpg-mssr.c b/drivers/clk/renesas/r7s9210-cpg-mssr.c new file mode 100644 index 000000000000..5135f13ec628 --- /dev/null +++ b/drivers/clk/renesas/r7s9210-cpg-mssr.c @@ -0,0 +1,217 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * R7S9210 Clock Pulse Generator / Module Standby + * + * Based on r8a7795-cpg-mssr.c + * + * Copyright (C) 2018 Chris Brandt + * Copyright (C) 2018 Renesas Electronics Corp. + * + */ + +#include <linux/clk.h> +#include <linux/clk-provider.h> +#include <dt-bindings/clock/r7s9210-cpg-mssr.h> +#include "renesas-cpg-mssr.h" + +#define CPG_FRQCR 0x00 + +static u8 cpg_mode; + +/* Internal Clock ratio table */ +static const struct { + unsigned int i; + unsigned int g; + unsigned int b; + unsigned int p1; + /* p0 is always 32 */; +} ratio_tab[5] = { /* I, G, B, P1 */ + { 2, 4, 8, 16}, /* FRQCR = 0x012 */ + { 4, 4, 8, 16}, /* FRQCR = 0x112 */ + { 8, 4, 8, 16}, /* FRQCR = 0x212 */ + { 16, 8, 16, 16}, /* FRQCR = 0x322 */ + { 16, 16, 32, 32}, /* FRQCR = 0x333 */ + }; + +enum rz_clk_types { + CLK_TYPE_RZA_MAIN = CLK_TYPE_CUSTOM, + CLK_TYPE_RZA_PLL, +}; + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R7S9210_CLK_P0, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static struct cpg_core_clk r7s9210_early_core_clks[] = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_RZA_MAIN, CLK_EXTAL), + DEF_BASE(".pll", CLK_PLL, CLK_TYPE_RZA_PLL, CLK_MAIN), + + /* Core Clock Outputs */ + DEF_FIXED("p1c", R7S9210_CLK_P1C, CLK_PLL, 16, 1), +}; + +static const struct mssr_mod_clk r7s9210_early_mod_clks[] __initconst = { + DEF_MOD_STB("ostm2", 34, R7S9210_CLK_P1C), + DEF_MOD_STB("ostm1", 35, R7S9210_CLK_P1C), + DEF_MOD_STB("ostm0", 36, R7S9210_CLK_P1C), +}; + +static struct cpg_core_clk r7s9210_core_clks[] = { + /* Core Clock Outputs */ + DEF_FIXED("i", R7S9210_CLK_I, CLK_PLL, 2, 1), + DEF_FIXED("g", R7S9210_CLK_G, CLK_PLL, 4, 1), + DEF_FIXED("b", R7S9210_CLK_B, CLK_PLL, 8, 1), + DEF_FIXED("p1", R7S9210_CLK_P1, CLK_PLL, 16, 1), + DEF_FIXED("p0", R7S9210_CLK_P0, CLK_PLL, 32, 1), +}; + +static const struct mssr_mod_clk r7s9210_mod_clks[] __initconst = { + DEF_MOD_STB("scif4", 43, R7S9210_CLK_P1C), + DEF_MOD_STB("scif3", 44, R7S9210_CLK_P1C), + DEF_MOD_STB("scif2", 45, R7S9210_CLK_P1C), + DEF_MOD_STB("scif1", 46, R7S9210_CLK_P1C), + DEF_MOD_STB("scif0", 47, R7S9210_CLK_P1C), + + DEF_MOD_STB("ether1", 64, R7S9210_CLK_B), + DEF_MOD_STB("ether0", 65, R7S9210_CLK_B), + + DEF_MOD_STB("i2c3", 84, R7S9210_CLK_P1), + DEF_MOD_STB("i2c2", 85, R7S9210_CLK_P1), + DEF_MOD_STB("i2c1", 86, R7S9210_CLK_P1), + DEF_MOD_STB("i2c0", 87, R7S9210_CLK_P1), + + DEF_MOD_STB("spi2", 95, R7S9210_CLK_P1), + DEF_MOD_STB("spi1", 96, R7S9210_CLK_P1), + DEF_MOD_STB("spi0", 97, R7S9210_CLK_P1), +}; + +/* The clock dividers in the table vary based on DT and register settings */ +static void __init r7s9210_update_clk_table(struct clk *extal_clk, + void __iomem *base) +{ + int i; + u16 frqcr; + u8 index; + + /* If EXTAL is above 12MHz, then we know it is Mode 1 */ + if (clk_get_rate(extal_clk) > 12000000) + cpg_mode = 1; + + frqcr = clk_readl(base + CPG_FRQCR) & 0xFFF; + if (frqcr == 0x012) + index = 0; + else if (frqcr == 0x112) + index = 1; + else if (frqcr == 0x212) + index = 2; + else if (frqcr == 0x322) + index = 3; + else if (frqcr == 0x333) + index = 4; + else + BUG_ON(1); /* Illegal FRQCR value */ + + for (i = 0; i < ARRAY_SIZE(r7s9210_core_clks); i++) { + switch (r7s9210_core_clks[i].id) { + case R7S9210_CLK_I: + r7s9210_core_clks[i].div = ratio_tab[index].i; + break; + case R7S9210_CLK_G: + r7s9210_core_clks[i].div = ratio_tab[index].g; + break; + case R7S9210_CLK_B: + r7s9210_core_clks[i].div = ratio_tab[index].b; + break; + case R7S9210_CLK_P1: + case R7S9210_CLK_P1C: + r7s9210_core_clks[i].div = ratio_tab[index].p1; + break; + case R7S9210_CLK_P0: + r7s9210_core_clks[i].div = 32; + break; + } + } +} + +struct clk * __init rza2_cpg_clk_register(struct device *dev, + const struct cpg_core_clk *core, const struct cpg_mssr_info *info, + struct clk **clks, void __iomem *base, + struct raw_notifier_head *notifiers) +{ + struct clk *parent; + unsigned int mult = 1; + unsigned int div = 1; + + parent = clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + switch (core->id) { + case CLK_MAIN: + break; + + case CLK_PLL: + if (cpg_mode) + mult = 44; /* Divider 1 is 1/2 */ + else + mult = 88; /* Divider 1 is 1 */ + break; + + default: + return ERR_PTR(-EINVAL); + } + + if (core->id == CLK_MAIN) + r7s9210_update_clk_table(parent, base); + + return clk_register_fixed_factor(NULL, core->name, + __clk_get_name(parent), 0, mult, div); +} + +const struct cpg_mssr_info r7s9210_cpg_mssr_info __initconst = { + /* Early Clocks */ + .early_core_clks = r7s9210_early_core_clks, + .num_early_core_clks = ARRAY_SIZE(r7s9210_early_core_clks), + .early_mod_clks = r7s9210_early_mod_clks, + .num_early_mod_clks = ARRAY_SIZE(r7s9210_early_mod_clks), + + /* Core Clocks */ + .core_clks = r7s9210_core_clks, + .num_core_clks = ARRAY_SIZE(r7s9210_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r7s9210_mod_clks, + .num_mod_clks = ARRAY_SIZE(r7s9210_mod_clks), + .num_hw_mod_clks = 11 * 32, /* includes STBCR0 which doesn't exist */ + + /* Callbacks */ + .cpg_clk_register = rza2_cpg_clk_register, + + /* RZ/A2 has Standby Control Registers */ + .stbyctrl = true, +}; + +static void __init r7s9210_cpg_mssr_early_init(struct device_node *np) +{ + cpg_mssr_early_init(np, &r7s9210_cpg_mssr_info); +} + +CLK_OF_DECLARE_DRIVER(cpg_mstp_clks, "renesas,r7s9210-cpg-mssr", + r7s9210_cpg_mssr_early_init); diff --git a/drivers/clk/renesas/r8a7743-cpg-mssr.c b/drivers/clk/renesas/r8a7743-cpg-mssr.c index 011c170ec3f9..c01d9af2525a 100644 --- a/drivers/clk/renesas/r8a7743-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7743-cpg-mssr.c @@ -1,16 +1,14 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7743 Clock Pulse Generator / Module Standby and Software Reset * * Copyright (C) 2016 Cogent Embedded Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation; of the License. */ #include <linux/device.h> #include <linux/init.h> #include <linux/kernel.h> +#include <linux/of.h> #include <linux/soc/renesas/rcar-rst.h> #include <dt-bindings/clock/r8a7743-cpg-mssr.h> @@ -37,7 +35,7 @@ enum clk_ids { MOD_CLK_BASE }; -static const struct cpg_core_clk r8a7743_core_clks[] __initconst = { +static struct cpg_core_clk r8a7743_core_clks[] __initdata = { /* External Clock Inputs */ DEF_INPUT("extal", CLK_EXTAL), DEF_INPUT("usb_extal", CLK_USB_EXTAL), @@ -238,6 +236,8 @@ static const struct rcar_gen2_cpg_pll_config cpg_pll_configs[8] __initconst = { static int __init r8a7743_cpg_mssr_init(struct device *dev) { const struct rcar_gen2_cpg_pll_config *cpg_pll_config; + struct device_node *np = dev->of_node; + unsigned int i; u32 cpg_mode; int error; @@ -247,6 +247,14 @@ static int __init r8a7743_cpg_mssr_init(struct device *dev) cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (of_device_is_compatible(np, "renesas,r8a7744-cpg-mssr")) { + /* RZ/G1N uses a 1/5 divider for ZG */ + for (i = 0; i < ARRAY_SIZE(r8a7743_core_clks); i++) + if (r8a7743_core_clks[i].id == R8A7743_CLK_ZG) { + r8a7743_core_clks[i].div = 5; + break; + } + } return rcar_gen2_cpg_init(cpg_pll_config, 2, cpg_mode); } diff --git a/drivers/clk/renesas/r8a7745-cpg-mssr.c b/drivers/clk/renesas/r8a7745-cpg-mssr.c index 4b0a9243b748..493874e5ebee 100644 --- a/drivers/clk/renesas/r8a7745-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7745-cpg-mssr.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7745 Clock Pulse Generator / Module Standby and Software Reset * * Copyright (C) 2016 Cogent Embedded Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation; of the License. */ #include <linux/device.h> diff --git a/drivers/clk/renesas/r8a774a1-cpg-mssr.c b/drivers/clk/renesas/r8a774a1-cpg-mssr.c new file mode 100644 index 000000000000..b0da34217bdf --- /dev/null +++ b/drivers/clk/renesas/r8a774a1-cpg-mssr.c @@ -0,0 +1,323 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a774a1 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018 Renesas Electronics Corp. + * + * Based on r8a7796-cpg-mssr.c + * + * Copyright (C) 2016 Glider bvba + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a774a1-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A774A1_CLK_OSC, + + /* External Input Clocks */ + CLK_EXTAL, + CLK_EXTALR, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL2, + CLK_PLL3, + CLK_PLL4, + CLK_PLL1_DIV2, + CLK_PLL1_DIV4, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_RINT, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a774a1_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + DEF_INPUT("extalr", CLK_EXTALR), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll0", CLK_PLL0, CLK_TYPE_GEN3_PLL0, CLK_MAIN), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll2", CLK_PLL2, CLK_TYPE_GEN3_PLL2, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + DEF_BASE(".pll4", CLK_PLL4, CLK_TYPE_GEN3_PLL4, CLK_MAIN), + + DEF_FIXED(".pll1_div2", CLK_PLL1_DIV2, CLK_PLL1, 2, 1), + DEF_FIXED(".pll1_div4", CLK_PLL1_DIV4, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1_DIV2, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + + DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), + + /* Core Clock Outputs */ + DEF_BASE("z", R8A774A1_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), + DEF_BASE("z2", R8A774A1_CLK_Z2, CLK_TYPE_GEN3_Z2, CLK_PLL2), + DEF_FIXED("ztr", R8A774A1_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), + DEF_FIXED("ztrd2", R8A774A1_CLK_ZTRD2, CLK_PLL1_DIV2, 12, 1), + DEF_FIXED("zt", R8A774A1_CLK_ZT, CLK_PLL1_DIV2, 4, 1), + DEF_FIXED("zx", R8A774A1_CLK_ZX, CLK_PLL1_DIV2, 2, 1), + DEF_FIXED("s0d1", R8A774A1_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d2", R8A774A1_CLK_S0D2, CLK_S0, 2, 1), + DEF_FIXED("s0d3", R8A774A1_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d4", R8A774A1_CLK_S0D4, CLK_S0, 4, 1), + DEF_FIXED("s0d6", R8A774A1_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d8", R8A774A1_CLK_S0D8, CLK_S0, 8, 1), + DEF_FIXED("s0d12", R8A774A1_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s1d2", R8A774A1_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A774A1_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A774A1_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A774A1_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A774A1_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A774A1_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A774A1_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A774A1_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SD("sd0", R8A774A1_CLK_SD0, CLK_SDSRC, 0x074), + DEF_GEN3_SD("sd1", R8A774A1_CLK_SD1, CLK_SDSRC, 0x078), + DEF_GEN3_SD("sd2", R8A774A1_CLK_SD2, CLK_SDSRC, 0x268), + DEF_GEN3_SD("sd3", R8A774A1_CLK_SD3, CLK_SDSRC, 0x26c), + + DEF_FIXED("cl", R8A774A1_CLK_CL, CLK_PLL1_DIV2, 48, 1), + DEF_FIXED("cp", R8A774A1_CLK_CP, CLK_EXTAL, 2, 1), + + DEF_DIV6P1("csi0", R8A774A1_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), + DEF_DIV6P1("mso", R8A774A1_CLK_MSO, CLK_PLL1_DIV4, 0x014), + DEF_DIV6P1("hdmi", R8A774A1_CLK_HDMI, CLK_PLL1_DIV4, 0x250), + + DEF_GEN3_OSC("osc", R8A774A1_CLK_OSC, CLK_EXTAL, 8), + + DEF_BASE("r", R8A774A1_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), +}; + +static const struct mssr_mod_clk r8a774a1_mod_clks[] __initconst = { + DEF_MOD("fdp1-0", 119, R8A774A1_CLK_S0D1), + DEF_MOD("scif5", 202, R8A774A1_CLK_S3D4), + DEF_MOD("scif4", 203, R8A774A1_CLK_S3D4), + DEF_MOD("scif3", 204, R8A774A1_CLK_S3D4), + DEF_MOD("scif1", 206, R8A774A1_CLK_S3D4), + DEF_MOD("scif0", 207, R8A774A1_CLK_S3D4), + DEF_MOD("msiof3", 208, R8A774A1_CLK_MSO), + DEF_MOD("msiof2", 209, R8A774A1_CLK_MSO), + DEF_MOD("msiof1", 210, R8A774A1_CLK_MSO), + DEF_MOD("msiof0", 211, R8A774A1_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A774A1_CLK_S0D3), + DEF_MOD("sys-dmac1", 218, R8A774A1_CLK_S0D3), + DEF_MOD("sys-dmac0", 219, R8A774A1_CLK_S0D3), + DEF_MOD("cmt3", 300, R8A774A1_CLK_R), + DEF_MOD("cmt2", 301, R8A774A1_CLK_R), + DEF_MOD("cmt1", 302, R8A774A1_CLK_R), + DEF_MOD("cmt0", 303, R8A774A1_CLK_R), + DEF_MOD("scif2", 310, R8A774A1_CLK_S3D4), + DEF_MOD("sdif3", 311, R8A774A1_CLK_SD3), + DEF_MOD("sdif2", 312, R8A774A1_CLK_SD2), + DEF_MOD("sdif1", 313, R8A774A1_CLK_SD1), + DEF_MOD("sdif0", 314, R8A774A1_CLK_SD0), + DEF_MOD("pcie1", 318, R8A774A1_CLK_S3D1), + DEF_MOD("pcie0", 319, R8A774A1_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A774A1_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A774A1_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A774A1_CLK_S3D1), + DEF_MOD("rwdt", 402, R8A774A1_CLK_R), + DEF_MOD("intc-ex", 407, R8A774A1_CLK_CP), + DEF_MOD("intc-ap", 408, R8A774A1_CLK_S0D3), + DEF_MOD("audmac1", 501, R8A774A1_CLK_S0D3), + DEF_MOD("audmac0", 502, R8A774A1_CLK_S0D3), + DEF_MOD("hscif4", 516, R8A774A1_CLK_S3D1), + DEF_MOD("hscif3", 517, R8A774A1_CLK_S3D1), + DEF_MOD("hscif2", 518, R8A774A1_CLK_S3D1), + DEF_MOD("hscif1", 519, R8A774A1_CLK_S3D1), + DEF_MOD("hscif0", 520, R8A774A1_CLK_S3D1), + DEF_MOD("thermal", 522, R8A774A1_CLK_CP), + DEF_MOD("pwm", 523, R8A774A1_CLK_S0D12), + DEF_MOD("fcpvd2", 601, R8A774A1_CLK_S0D2), + DEF_MOD("fcpvd1", 602, R8A774A1_CLK_S0D2), + DEF_MOD("fcpvd0", 603, R8A774A1_CLK_S0D2), + DEF_MOD("fcpvb0", 607, R8A774A1_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A774A1_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A774A1_CLK_S0D1), + DEF_MOD("fcpci0", 617, R8A774A1_CLK_S0D2), + DEF_MOD("fcpcs", 619, R8A774A1_CLK_S0D2), + DEF_MOD("vspd2", 621, R8A774A1_CLK_S0D2), + DEF_MOD("vspd1", 622, R8A774A1_CLK_S0D2), + DEF_MOD("vspd0", 623, R8A774A1_CLK_S0D2), + DEF_MOD("vspb", 626, R8A774A1_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A774A1_CLK_S0D1), + DEF_MOD("ehci1", 702, R8A774A1_CLK_S3D4), + DEF_MOD("ehci0", 703, R8A774A1_CLK_S3D4), + DEF_MOD("hsusb", 704, R8A774A1_CLK_S3D4), + DEF_MOD("csi20", 714, R8A774A1_CLK_CSI0), + DEF_MOD("csi40", 716, R8A774A1_CLK_CSI0), + DEF_MOD("du2", 722, R8A774A1_CLK_S2D1), + DEF_MOD("du1", 723, R8A774A1_CLK_S2D1), + DEF_MOD("du0", 724, R8A774A1_CLK_S2D1), + DEF_MOD("lvds", 727, R8A774A1_CLK_S2D1), + DEF_MOD("hdmi0", 729, R8A774A1_CLK_HDMI), + DEF_MOD("vin7", 804, R8A774A1_CLK_S0D2), + DEF_MOD("vin6", 805, R8A774A1_CLK_S0D2), + DEF_MOD("vin5", 806, R8A774A1_CLK_S0D2), + DEF_MOD("vin4", 807, R8A774A1_CLK_S0D2), + DEF_MOD("vin3", 808, R8A774A1_CLK_S0D2), + DEF_MOD("vin2", 809, R8A774A1_CLK_S0D2), + DEF_MOD("vin1", 810, R8A774A1_CLK_S0D2), + DEF_MOD("vin0", 811, R8A774A1_CLK_S0D2), + DEF_MOD("etheravb", 812, R8A774A1_CLK_S0D6), + DEF_MOD("gpio7", 905, R8A774A1_CLK_S3D4), + DEF_MOD("gpio6", 906, R8A774A1_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A774A1_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A774A1_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A774A1_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A774A1_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A774A1_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A774A1_CLK_S3D4), + DEF_MOD("can-if1", 915, R8A774A1_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A774A1_CLK_S3D4), + DEF_MOD("i2c6", 918, R8A774A1_CLK_S0D6), + DEF_MOD("i2c5", 919, R8A774A1_CLK_S0D6), + DEF_MOD("i2c-dvfs", 926, R8A774A1_CLK_CP), + DEF_MOD("i2c4", 927, R8A774A1_CLK_S0D6), + DEF_MOD("i2c3", 928, R8A774A1_CLK_S0D6), + DEF_MOD("i2c2", 929, R8A774A1_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A774A1_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A774A1_CLK_S3D2), + DEF_MOD("ssi-all", 1005, R8A774A1_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A774A1_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a774a1_crit_mod_clks[] __initconst = { + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4 OSC + * 14 13 19 17 (MHz) + *------------------------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144 /16 + * 0 0 1 0 Prohibited setting + * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120 /19 + * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120 /19 + * 0 1 1 0 Prohibited setting + * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120 /19 + * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96 /24 + * 1 0 1 0 Prohibited setting + * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144 /32 + * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144 /32 + * 1 1 1 0 Prohibited setting + * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144 /32 + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ + (((md) & BIT(13)) >> 11) | \ + (((md) & BIT(19)) >> 18) | \ + (((md) & BIT(17)) >> 17)) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 192, 1, 128, 1, 16, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 160, 1, 106, 1, 19, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 128, 1, 128, 1, 24, }, + { 1, 128, 1, 84, 1, 24, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, 24, }, + { 2, 192, 1, 192, 1, 32, }, + { 2, 192, 1, 128, 1, 32, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, 32, }, +}; + +static int __init r8a774a1_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + if (!cpg_pll_config->extal_div) { + dev_err(dev, "Prohibited setting (cpg_mode=0x%x)\n", cpg_mode); + return -EINVAL; + } + + return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); +} + +const struct cpg_mssr_info r8a774a1_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a774a1_core_clks, + .num_core_clks = ARRAY_SIZE(r8a774a1_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a774a1_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a774a1_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a774a1_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a774a1_crit_mod_clks), + + /* Callbacks */ + .init = r8a774a1_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a774c0-cpg-mssr.c b/drivers/clk/renesas/r8a774c0-cpg-mssr.c new file mode 100644 index 000000000000..10b96895d452 --- /dev/null +++ b/drivers/clk/renesas/r8a774c0-cpg-mssr.c @@ -0,0 +1,286 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * r8a774c0 Clock Pulse Generator / Module Standby and Software Reset + * + * Copyright (C) 2018 Renesas Electronics Corp. + * + * Based on r8a77990-cpg-mssr.c + * + * Copyright (C) 2015 Glider bvba + * Copyright (C) 2015 Renesas Electronics Corp. + */ + +#include <linux/device.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/soc/renesas/rcar-rst.h> + +#include <dt-bindings/clock/r8a774c0-cpg-mssr.h> + +#include "renesas-cpg-mssr.h" +#include "rcar-gen3-cpg.h" + +enum clk_ids { + /* Core Clock Outputs exported to DT */ + LAST_DT_CORE_CLK = R8A774C0_CLK_CPEX, + + /* External Input Clocks */ + CLK_EXTAL, + + /* Internal Core Clocks */ + CLK_MAIN, + CLK_PLL0, + CLK_PLL1, + CLK_PLL3, + CLK_PLL0D4, + CLK_PLL0D8, + CLK_PLL0D20, + CLK_PLL0D24, + CLK_PLL1D2, + CLK_PE, + CLK_S0, + CLK_S1, + CLK_S2, + CLK_S3, + CLK_SDSRC, + CLK_RINT, + CLK_OCO, + + /* Module Clocks */ + MOD_CLK_BASE +}; + +static const struct cpg_core_clk r8a774c0_core_clks[] __initconst = { + /* External Clock Inputs */ + DEF_INPUT("extal", CLK_EXTAL), + + /* Internal Core Clocks */ + DEF_BASE(".main", CLK_MAIN, CLK_TYPE_GEN3_MAIN, CLK_EXTAL), + DEF_BASE(".pll1", CLK_PLL1, CLK_TYPE_GEN3_PLL1, CLK_MAIN), + DEF_BASE(".pll3", CLK_PLL3, CLK_TYPE_GEN3_PLL3, CLK_MAIN), + + DEF_FIXED(".pll0", CLK_PLL0, CLK_MAIN, 1, 100), + DEF_FIXED(".pll0d4", CLK_PLL0D4, CLK_PLL0, 4, 1), + DEF_FIXED(".pll0d8", CLK_PLL0D8, CLK_PLL0, 8, 1), + DEF_FIXED(".pll0d20", CLK_PLL0D20, CLK_PLL0, 20, 1), + DEF_FIXED(".pll0d24", CLK_PLL0D24, CLK_PLL0, 24, 1), + DEF_FIXED(".pll1d2", CLK_PLL1D2, CLK_PLL1, 2, 1), + DEF_FIXED(".pe", CLK_PE, CLK_PLL0D20, 1, 1), + DEF_FIXED(".s0", CLK_S0, CLK_PLL1, 2, 1), + DEF_FIXED(".s1", CLK_S1, CLK_PLL1, 3, 1), + DEF_FIXED(".s2", CLK_S2, CLK_PLL1, 4, 1), + DEF_FIXED(".s3", CLK_S3, CLK_PLL1, 6, 1), + DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1, 2, 1), + + DEF_DIV6_RO(".r", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), + + DEF_RATE(".oco", CLK_OCO, 8 * 1000 * 1000), + + /* Core Clock Outputs */ + DEF_FIXED("za2", R8A774C0_CLK_ZA2, CLK_PLL0D24, 1, 1), + DEF_FIXED("za8", R8A774C0_CLK_ZA8, CLK_PLL0D8, 1, 1), + DEF_FIXED("ztr", R8A774C0_CLK_ZTR, CLK_PLL1, 6, 1), + DEF_FIXED("zt", R8A774C0_CLK_ZT, CLK_PLL1, 4, 1), + DEF_FIXED("zx", R8A774C0_CLK_ZX, CLK_PLL1, 3, 1), + DEF_FIXED("s0d1", R8A774C0_CLK_S0D1, CLK_S0, 1, 1), + DEF_FIXED("s0d3", R8A774C0_CLK_S0D3, CLK_S0, 3, 1), + DEF_FIXED("s0d6", R8A774C0_CLK_S0D6, CLK_S0, 6, 1), + DEF_FIXED("s0d12", R8A774C0_CLK_S0D12, CLK_S0, 12, 1), + DEF_FIXED("s0d24", R8A774C0_CLK_S0D24, CLK_S0, 24, 1), + DEF_FIXED("s1d1", R8A774C0_CLK_S1D1, CLK_S1, 1, 1), + DEF_FIXED("s1d2", R8A774C0_CLK_S1D2, CLK_S1, 2, 1), + DEF_FIXED("s1d4", R8A774C0_CLK_S1D4, CLK_S1, 4, 1), + DEF_FIXED("s2d1", R8A774C0_CLK_S2D1, CLK_S2, 1, 1), + DEF_FIXED("s2d2", R8A774C0_CLK_S2D2, CLK_S2, 2, 1), + DEF_FIXED("s2d4", R8A774C0_CLK_S2D4, CLK_S2, 4, 1), + DEF_FIXED("s3d1", R8A774C0_CLK_S3D1, CLK_S3, 1, 1), + DEF_FIXED("s3d2", R8A774C0_CLK_S3D2, CLK_S3, 2, 1), + DEF_FIXED("s3d4", R8A774C0_CLK_S3D4, CLK_S3, 4, 1), + + DEF_GEN3_SD("sd0", R8A774C0_CLK_SD0, CLK_SDSRC, 0x0074), + DEF_GEN3_SD("sd1", R8A774C0_CLK_SD1, CLK_SDSRC, 0x0078), + DEF_GEN3_SD("sd3", R8A774C0_CLK_SD3, CLK_SDSRC, 0x026c), + + DEF_FIXED("cl", R8A774C0_CLK_CL, CLK_PLL1, 48, 1), + DEF_FIXED("cp", R8A774C0_CLK_CP, CLK_EXTAL, 2, 1), + DEF_FIXED("cpex", R8A774C0_CLK_CPEX, CLK_EXTAL, 4, 1), + + DEF_DIV6_RO("osc", R8A774C0_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), + + DEF_GEN3_PE("s0d6c", R8A774C0_CLK_S0D6C, CLK_S0, 6, CLK_PE, 2), + DEF_GEN3_PE("s3d1c", R8A774C0_CLK_S3D1C, CLK_S3, 1, CLK_PE, 1), + DEF_GEN3_PE("s3d2c", R8A774C0_CLK_S3D2C, CLK_S3, 2, CLK_PE, 2), + DEF_GEN3_PE("s3d4c", R8A774C0_CLK_S3D4C, CLK_S3, 4, CLK_PE, 4), + + DEF_DIV6P1("csi0", R8A774C0_CLK_CSI0, CLK_PLL1D2, 0x00c), + DEF_DIV6P1("mso", R8A774C0_CLK_MSO, CLK_PLL1D2, 0x014), + + DEF_GEN3_RCKSEL("r", R8A774C0_CLK_R, CLK_RINT, 1, CLK_OCO, 61 * 4), +}; + +static const struct mssr_mod_clk r8a774c0_mod_clks[] __initconst = { + DEF_MOD("scif5", 202, R8A774C0_CLK_S3D4C), + DEF_MOD("scif4", 203, R8A774C0_CLK_S3D4C), + DEF_MOD("scif3", 204, R8A774C0_CLK_S3D4C), + DEF_MOD("scif1", 206, R8A774C0_CLK_S3D4C), + DEF_MOD("scif0", 207, R8A774C0_CLK_S3D4C), + DEF_MOD("msiof3", 208, R8A774C0_CLK_MSO), + DEF_MOD("msiof2", 209, R8A774C0_CLK_MSO), + DEF_MOD("msiof1", 210, R8A774C0_CLK_MSO), + DEF_MOD("msiof0", 211, R8A774C0_CLK_MSO), + DEF_MOD("sys-dmac2", 217, R8A774C0_CLK_S3D1), + DEF_MOD("sys-dmac1", 218, R8A774C0_CLK_S3D1), + DEF_MOD("sys-dmac0", 219, R8A774C0_CLK_S3D1), + + DEF_MOD("cmt3", 300, R8A774C0_CLK_R), + DEF_MOD("cmt2", 301, R8A774C0_CLK_R), + DEF_MOD("cmt1", 302, R8A774C0_CLK_R), + DEF_MOD("cmt0", 303, R8A774C0_CLK_R), + DEF_MOD("scif2", 310, R8A774C0_CLK_S3D4C), + DEF_MOD("sdif3", 311, R8A774C0_CLK_SD3), + DEF_MOD("sdif1", 313, R8A774C0_CLK_SD1), + DEF_MOD("sdif0", 314, R8A774C0_CLK_SD0), + DEF_MOD("pcie0", 319, R8A774C0_CLK_S3D1), + DEF_MOD("usb3-if0", 328, R8A774C0_CLK_S3D1), + DEF_MOD("usb-dmac0", 330, R8A774C0_CLK_S3D1), + DEF_MOD("usb-dmac1", 331, R8A774C0_CLK_S3D1), + + DEF_MOD("rwdt", 402, R8A774C0_CLK_R), + DEF_MOD("intc-ex", 407, R8A774C0_CLK_CP), + DEF_MOD("intc-ap", 408, R8A774C0_CLK_S0D3), + + DEF_MOD("audmac0", 502, R8A774C0_CLK_S3D4), + DEF_MOD("hscif4", 516, R8A774C0_CLK_S3D1C), + DEF_MOD("hscif3", 517, R8A774C0_CLK_S3D1C), + DEF_MOD("hscif2", 518, R8A774C0_CLK_S3D1C), + DEF_MOD("hscif1", 519, R8A774C0_CLK_S3D1C), + DEF_MOD("hscif0", 520, R8A774C0_CLK_S3D1C), + DEF_MOD("thermal", 522, R8A774C0_CLK_CP), + DEF_MOD("pwm", 523, R8A774C0_CLK_S3D4C), + + DEF_MOD("fcpvd1", 602, R8A774C0_CLK_S1D2), + DEF_MOD("fcpvd0", 603, R8A774C0_CLK_S1D2), + DEF_MOD("fcpvb0", 607, R8A774C0_CLK_S0D1), + DEF_MOD("fcpvi0", 611, R8A774C0_CLK_S0D1), + DEF_MOD("fcpf0", 615, R8A774C0_CLK_S0D1), + DEF_MOD("fcpcs", 619, R8A774C0_CLK_S0D1), + DEF_MOD("vspd1", 622, R8A774C0_CLK_S1D2), + DEF_MOD("vspd0", 623, R8A774C0_CLK_S1D2), + DEF_MOD("vspb", 626, R8A774C0_CLK_S0D1), + DEF_MOD("vspi0", 631, R8A774C0_CLK_S0D1), + + DEF_MOD("ehci0", 703, R8A774C0_CLK_S3D4), + DEF_MOD("hsusb", 704, R8A774C0_CLK_S3D4), + DEF_MOD("csi40", 716, R8A774C0_CLK_CSI0), + DEF_MOD("du1", 723, R8A774C0_CLK_S2D1), + DEF_MOD("du0", 724, R8A774C0_CLK_S2D1), + DEF_MOD("lvds", 727, R8A774C0_CLK_S2D1), + + DEF_MOD("vin5", 806, R8A774C0_CLK_S1D2), + DEF_MOD("vin4", 807, R8A774C0_CLK_S1D2), + DEF_MOD("etheravb", 812, R8A774C0_CLK_S3D2), + + DEF_MOD("gpio6", 906, R8A774C0_CLK_S3D4), + DEF_MOD("gpio5", 907, R8A774C0_CLK_S3D4), + DEF_MOD("gpio4", 908, R8A774C0_CLK_S3D4), + DEF_MOD("gpio3", 909, R8A774C0_CLK_S3D4), + DEF_MOD("gpio2", 910, R8A774C0_CLK_S3D4), + DEF_MOD("gpio1", 911, R8A774C0_CLK_S3D4), + DEF_MOD("gpio0", 912, R8A774C0_CLK_S3D4), + DEF_MOD("can-if1", 915, R8A774C0_CLK_S3D4), + DEF_MOD("can-if0", 916, R8A774C0_CLK_S3D4), + DEF_MOD("i2c6", 918, R8A774C0_CLK_S3D2), + DEF_MOD("i2c5", 919, R8A774C0_CLK_S3D2), + DEF_MOD("i2c-dvfs", 926, R8A774C0_CLK_CP), + DEF_MOD("i2c4", 927, R8A774C0_CLK_S3D2), + DEF_MOD("i2c3", 928, R8A774C0_CLK_S3D2), + DEF_MOD("i2c2", 929, R8A774C0_CLK_S3D2), + DEF_MOD("i2c1", 930, R8A774C0_CLK_S3D2), + DEF_MOD("i2c0", 931, R8A774C0_CLK_S3D2), + + DEF_MOD("i2c7", 1003, R8A774C0_CLK_S3D2), + DEF_MOD("ssi-all", 1005, R8A774C0_CLK_S3D4), + DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), + DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), + DEF_MOD("ssi7", 1008, MOD_CLK_ID(1005)), + DEF_MOD("ssi6", 1009, MOD_CLK_ID(1005)), + DEF_MOD("ssi5", 1010, MOD_CLK_ID(1005)), + DEF_MOD("ssi4", 1011, MOD_CLK_ID(1005)), + DEF_MOD("ssi3", 1012, MOD_CLK_ID(1005)), + DEF_MOD("ssi2", 1013, MOD_CLK_ID(1005)), + DEF_MOD("ssi1", 1014, MOD_CLK_ID(1005)), + DEF_MOD("ssi0", 1015, MOD_CLK_ID(1005)), + DEF_MOD("scu-all", 1017, R8A774C0_CLK_S3D4), + DEF_MOD("scu-dvc1", 1018, MOD_CLK_ID(1017)), + DEF_MOD("scu-dvc0", 1019, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu1-mix1", 1020, MOD_CLK_ID(1017)), + DEF_MOD("scu-ctu0-mix0", 1021, MOD_CLK_ID(1017)), + DEF_MOD("scu-src9", 1022, MOD_CLK_ID(1017)), + DEF_MOD("scu-src8", 1023, MOD_CLK_ID(1017)), + DEF_MOD("scu-src7", 1024, MOD_CLK_ID(1017)), + DEF_MOD("scu-src6", 1025, MOD_CLK_ID(1017)), + DEF_MOD("scu-src5", 1026, MOD_CLK_ID(1017)), + DEF_MOD("scu-src4", 1027, MOD_CLK_ID(1017)), + DEF_MOD("scu-src3", 1028, MOD_CLK_ID(1017)), + DEF_MOD("scu-src2", 1029, MOD_CLK_ID(1017)), + DEF_MOD("scu-src1", 1030, MOD_CLK_ID(1017)), + DEF_MOD("scu-src0", 1031, MOD_CLK_ID(1017)), +}; + +static const unsigned int r8a774c0_crit_mod_clks[] __initconst = { + MOD_CLK_ID(408), /* INTC-AP (GIC) */ +}; + +/* + * CPG Clock Data + */ + +/* + * MD19 EXTAL (MHz) PLL0 PLL1 PLL3 + *-------------------------------------------------------------------- + * 0 48 x 1 x100/1 x100/3 x100/3 + * 1 48 x 1 x100/1 x100/3 x58/3 + */ +#define CPG_PLL_CONFIG_INDEX(md) (((md) & BIT(19)) >> 19) + +static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[2] __initconst = { + /* EXTAL div PLL1 mult/div PLL3 mult/div */ + { 1, 100, 3, 100, 3, }, + { 1, 100, 3, 58, 3, }, +}; + +static int __init r8a774c0_cpg_mssr_init(struct device *dev) +{ + const struct rcar_gen3_cpg_pll_config *cpg_pll_config; + u32 cpg_mode; + int error; + + error = rcar_rst_read_mode_pins(&cpg_mode); + if (error) + return error; + + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + return rcar_gen3_cpg_init(cpg_pll_config, 0, cpg_mode); +} + +const struct cpg_mssr_info r8a774c0_cpg_mssr_info __initconst = { + /* Core Clocks */ + .core_clks = r8a774c0_core_clks, + .num_core_clks = ARRAY_SIZE(r8a774c0_core_clks), + .last_dt_core_clk = LAST_DT_CORE_CLK, + .num_total_core_clks = MOD_CLK_BASE, + + /* Module Clocks */ + .mod_clks = r8a774c0_mod_clks, + .num_mod_clks = ARRAY_SIZE(r8a774c0_mod_clks), + .num_hw_mod_clks = 12 * 32, + + /* Critical Module Clocks */ + .crit_mod_clks = r8a774c0_crit_mod_clks, + .num_crit_mod_clks = ARRAY_SIZE(r8a774c0_crit_mod_clks), + + /* Callbacks */ + .init = r8a774c0_cpg_mssr_init, + .cpg_clk_register = rcar_gen3_cpg_clk_register, +}; diff --git a/drivers/clk/renesas/r8a7790-cpg-mssr.c b/drivers/clk/renesas/r8a7790-cpg-mssr.c index f936cb74b681..c57cb93f8315 100644 --- a/drivers/clk/renesas/r8a7790-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7790-cpg-mssr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7790 Clock Pulse Generator / Module Standby and Software Reset * @@ -6,10 +7,6 @@ * Based on clk-rcar-gen2.c * * Copyright (C) 2013 Ideas On Board SPRL - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/device.h> diff --git a/drivers/clk/renesas/r8a7791-cpg-mssr.c b/drivers/clk/renesas/r8a7791-cpg-mssr.c index 1b91f03b7598..65702debcabb 100644 --- a/drivers/clk/renesas/r8a7791-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7791-cpg-mssr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7791 Clock Pulse Generator / Module Standby and Software Reset * @@ -6,10 +7,6 @@ * Based on clk-rcar-gen2.c * * Copyright (C) 2013 Ideas On Board SPRL - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/device.h> diff --git a/drivers/clk/renesas/r8a7792-cpg-mssr.c b/drivers/clk/renesas/r8a7792-cpg-mssr.c index 493e07859f5f..cf8b84a3a060 100644 --- a/drivers/clk/renesas/r8a7792-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7792-cpg-mssr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7792 Clock Pulse Generator / Module Standby and Software Reset * @@ -6,10 +7,6 @@ * Based on clk-rcar-gen2.c * * Copyright (C) 2013 Ideas On Board SPRL - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/device.h> diff --git a/drivers/clk/renesas/r8a7794-cpg-mssr.c b/drivers/clk/renesas/r8a7794-cpg-mssr.c index 088f4b79fdfc..c1948693c5c1 100644 --- a/drivers/clk/renesas/r8a7794-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7794-cpg-mssr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7794 Clock Pulse Generator / Module Standby and Software Reset * @@ -6,10 +7,6 @@ * Based on clk-rcar-gen2.c * * Copyright (C) 2013 Ideas On Board SPRL - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/device.h> diff --git a/drivers/clk/renesas/r8a7795-cpg-mssr.c b/drivers/clk/renesas/r8a7795-cpg-mssr.c index a85dd50e8911..119c02440726 100644 --- a/drivers/clk/renesas/r8a7795-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7795-cpg-mssr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7795 Clock Pulse Generator / Module Standby and Software Reset * @@ -6,10 +7,6 @@ * Based on clk-rcar-gen3.c * * Copyright (C) 2015 Renesas Electronics Corp. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/device.h> @@ -73,6 +70,8 @@ static struct cpg_core_clk r8a7795_core_clks[] __initdata = { DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), + /* Core Clock Outputs */ DEF_BASE("z", R8A7795_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), DEF_BASE("z2", R8A7795_CLK_Z2, CLK_TYPE_GEN3_Z2, CLK_PLL2), @@ -111,8 +110,7 @@ static struct cpg_core_clk r8a7795_core_clks[] __initdata = { DEF_DIV6P1("mso", R8A7795_CLK_MSO, CLK_PLL1_DIV4, 0x014), DEF_DIV6P1("hdmi", R8A7795_CLK_HDMI, CLK_PLL1_DIV4, 0x250), - DEF_DIV6_RO("osc", R8A7795_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), - DEF_DIV6_RO("r_int", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), + DEF_GEN3_OSC("osc", R8A7795_CLK_OSC, CLK_EXTAL, 8), DEF_BASE("r", R8A7795_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), }; @@ -283,25 +281,25 @@ static const unsigned int r8a7795_crit_mod_clks[] __initconst = { */ /* - * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4 + * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4 OSC * 14 13 19 17 (MHz) - *------------------------------------------------------------------- - * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144 - * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144 + *------------------------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144 /16 * 0 0 1 0 Prohibited setting - * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144 - * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120 - * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120 + * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120 /19 + * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120 /19 * 0 1 1 0 Prohibited setting - * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120 - * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96 - * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96 + * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120 /19 + * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96 /24 * 1 0 1 0 Prohibited setting - * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96 - * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144 - * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144 + * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144 /32 + * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144 /32 * 1 1 1 0 Prohibited setting - * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144 + * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144 /32 */ #define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ (((md) & BIT(13)) >> 11) | \ @@ -309,23 +307,23 @@ static const unsigned int r8a7795_crit_mod_clks[] __initconst = { (((md) & BIT(17)) >> 17)) static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { - /* EXTAL div PLL1 mult/div PLL3 mult/div */ - { 1, 192, 1, 192, 1, }, - { 1, 192, 1, 128, 1, }, - { 0, /* Prohibited setting */ }, - { 1, 192, 1, 192, 1, }, - { 1, 160, 1, 160, 1, }, - { 1, 160, 1, 106, 1, }, - { 0, /* Prohibited setting */ }, - { 1, 160, 1, 160, 1, }, - { 1, 128, 1, 128, 1, }, - { 1, 128, 1, 84, 1, }, - { 0, /* Prohibited setting */ }, - { 1, 128, 1, 128, 1, }, - { 2, 192, 1, 192, 1, }, - { 2, 192, 1, 128, 1, }, - { 0, /* Prohibited setting */ }, - { 2, 192, 1, 192, 1, }, + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 192, 1, 128, 1, 16, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 160, 1, 106, 1, 19, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 128, 1, 128, 1, 24, }, + { 1, 128, 1, 84, 1, 24, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, 24, }, + { 2, 192, 1, 192, 1, 32, }, + { 2, 192, 1, 128, 1, 32, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, 32, }, }; static const struct soc_device_attribute r8a7795es1[] __initconst = { diff --git a/drivers/clk/renesas/r8a7796-cpg-mssr.c b/drivers/clk/renesas/r8a7796-cpg-mssr.c index dfb267a92f2a..10567386e6dd 100644 --- a/drivers/clk/renesas/r8a7796-cpg-mssr.c +++ b/drivers/clk/renesas/r8a7796-cpg-mssr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a7796 Clock Pulse Generator / Module Standby and Software Reset * @@ -7,10 +8,6 @@ * * Copyright (C) 2015 Glider bvba * Copyright (C) 2015 Renesas Electronics Corp. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/device.h> @@ -73,6 +70,8 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = { DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), + /* Core Clock Outputs */ DEF_BASE("z", R8A7796_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), DEF_BASE("z2", R8A7796_CLK_Z2, CLK_TYPE_GEN3_Z2, CLK_PLL2), @@ -110,8 +109,7 @@ static const struct cpg_core_clk r8a7796_core_clks[] __initconst = { DEF_DIV6P1("mso", R8A7796_CLK_MSO, CLK_PLL1_DIV4, 0x014), DEF_DIV6P1("hdmi", R8A7796_CLK_HDMI, CLK_PLL1_DIV4, 0x250), - DEF_DIV6_RO("osc", R8A7796_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), - DEF_DIV6_RO("r_int", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), + DEF_GEN3_OSC("osc", R8A7796_CLK_OSC, CLK_EXTAL, 8), DEF_BASE("r", R8A7796_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), }; @@ -255,25 +253,25 @@ static const unsigned int r8a7796_crit_mod_clks[] __initconst = { */ /* - * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4 + * MD EXTAL PLL0 PLL1 PLL2 PLL3 PLL4 OSC * 14 13 19 17 (MHz) - *------------------------------------------------------------------- - * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144 - * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144 + *------------------------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 0 0 1 16.66 x 1 x180 x192 x144 x128 x144 /16 * 0 0 1 0 Prohibited setting - * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144 - * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120 - * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120 + * 0 0 1 1 16.66 x 1 x180 x192 x144 x192 x144 /16 + * 0 1 0 0 20 x 1 x150 x160 x120 x160 x120 /19 + * 0 1 0 1 20 x 1 x150 x160 x120 x106 x120 /19 * 0 1 1 0 Prohibited setting - * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120 - * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96 - * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96 + * 0 1 1 1 20 x 1 x150 x160 x120 x160 x120 /19 + * 1 0 0 0 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 0 0 1 25 x 1 x120 x128 x96 x84 x96 /24 * 1 0 1 0 Prohibited setting - * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96 - * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144 - * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144 + * 1 0 1 1 25 x 1 x120 x128 x96 x128 x96 /24 + * 1 1 0 0 33.33 / 2 x180 x192 x144 x192 x144 /32 + * 1 1 0 1 33.33 / 2 x180 x192 x144 x128 x144 /32 * 1 1 1 0 Prohibited setting - * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144 + * 1 1 1 1 33.33 / 2 x180 x192 x144 x192 x144 /32 */ #define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ (((md) & BIT(13)) >> 11) | \ @@ -281,23 +279,23 @@ static const unsigned int r8a7796_crit_mod_clks[] __initconst = { (((md) & BIT(17)) >> 17)) static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { - /* EXTAL div PLL1 mult/div PLL3 mult/div */ - { 1, 192, 1, 192, 1, }, - { 1, 192, 1, 128, 1, }, - { 0, /* Prohibited setting */ }, - { 1, 192, 1, 192, 1, }, - { 1, 160, 1, 160, 1, }, - { 1, 160, 1, 106, 1, }, - { 0, /* Prohibited setting */ }, - { 1, 160, 1, 160, 1, }, - { 1, 128, 1, 128, 1, }, - { 1, 128, 1, 84, 1, }, - { 0, /* Prohibited setting */ }, - { 1, 128, 1, 128, 1, }, - { 2, 192, 1, 192, 1, }, - { 2, 192, 1, 128, 1, }, - { 0, /* Prohibited setting */ }, - { 2, 192, 1, 192, 1, }, + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 192, 1, 128, 1, 16, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 160, 1, 106, 1, 19, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 128, 1, 128, 1, 24, }, + { 1, 128, 1, 84, 1, 24, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, 24, }, + { 2, 192, 1, 192, 1, 32, }, + { 2, 192, 1, 128, 1, 32, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, 32, }, }; static int __init r8a7796_cpg_mssr_init(struct device *dev) diff --git a/drivers/clk/renesas/r8a77965-cpg-mssr.c b/drivers/clk/renesas/r8a77965-cpg-mssr.c index 8fae5e9c4a77..1fcc411502da 100644 --- a/drivers/clk/renesas/r8a77965-cpg-mssr.c +++ b/drivers/clk/renesas/r8a77965-cpg-mssr.c @@ -68,6 +68,8 @@ static const struct cpg_core_clk r8a77965_core_clks[] __initconst = { DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + DEF_GEN3_OSC(".r", CLK_RINT, CLK_EXTAL, 32), + /* Core Clock Outputs */ DEF_BASE("z", R8A77965_CLK_Z, CLK_TYPE_GEN3_Z, CLK_PLL0), DEF_FIXED("ztr", R8A77965_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), @@ -104,13 +106,13 @@ static const struct cpg_core_clk r8a77965_core_clks[] __initconst = { DEF_DIV6P1("mso", R8A77965_CLK_MSO, CLK_PLL1_DIV4, 0x014), DEF_DIV6P1("hdmi", R8A77965_CLK_HDMI, CLK_PLL1_DIV4, 0x250), - DEF_DIV6_RO("osc", R8A77965_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), - DEF_DIV6_RO("r_int", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), + DEF_GEN3_OSC("osc", R8A77965_CLK_OSC, CLK_EXTAL, 8), DEF_BASE("r", R8A77965_CLK_R, CLK_TYPE_GEN3_R, CLK_RINT), }; static const struct mssr_mod_clk r8a77965_mod_clks[] __initconst = { + DEF_MOD("fdp1-0", 119, R8A77965_CLK_S0D1), DEF_MOD("scif5", 202, R8A77965_CLK_S3D4), DEF_MOD("scif4", 203, R8A77965_CLK_S3D4), DEF_MOD("scif3", 204, R8A77965_CLK_S3D4), @@ -192,6 +194,7 @@ static const struct mssr_mod_clk r8a77965_mod_clks[] __initconst = { DEF_MOD("vin1", 810, R8A77965_CLK_S0D2), DEF_MOD("vin0", 811, R8A77965_CLK_S0D2), DEF_MOD("etheravb", 812, R8A77965_CLK_S0D6), + DEF_MOD("sata0", 815, R8A77965_CLK_S3D2), DEF_MOD("imr1", 822, R8A77965_CLK_S0D2), DEF_MOD("imr0", 823, R8A77965_CLK_S0D2), @@ -252,25 +255,25 @@ static const unsigned int r8a77965_crit_mod_clks[] __initconst = { */ /* - * MD EXTAL PLL0 PLL1 PLL3 PLL4 + * MD EXTAL PLL0 PLL1 PLL3 PLL4 OSC * 14 13 19 17 (MHz) - *----------------------------------------------------------- - * 0 0 0 0 16.66 x 1 x180 x192 x192 x144 - * 0 0 0 1 16.66 x 1 x180 x192 x128 x144 + *----------------------------------------------------------------- + * 0 0 0 0 16.66 x 1 x180 x192 x192 x144 /16 + * 0 0 0 1 16.66 x 1 x180 x192 x128 x144 /16 * 0 0 1 0 Prohibited setting - * 0 0 1 1 16.66 x 1 x180 x192 x192 x144 - * 0 1 0 0 20 x 1 x150 x160 x160 x120 - * 0 1 0 1 20 x 1 x150 x160 x106 x120 + * 0 0 1 1 16.66 x 1 x180 x192 x192 x144 /16 + * 0 1 0 0 20 x 1 x150 x160 x160 x120 /19 + * 0 1 0 1 20 x 1 x150 x160 x106 x120 /19 * 0 1 1 0 Prohibited setting - * 0 1 1 1 20 x 1 x150 x160 x160 x120 - * 1 0 0 0 25 x 1 x120 x128 x128 x96 - * 1 0 0 1 25 x 1 x120 x128 x84 x96 + * 0 1 1 1 20 x 1 x150 x160 x160 x120 /19 + * 1 0 0 0 25 x 1 x120 x128 x128 x96 /24 + * 1 0 0 1 25 x 1 x120 x128 x84 x96 /24 * 1 0 1 0 Prohibited setting - * 1 0 1 1 25 x 1 x120 x128 x128 x96 - * 1 1 0 0 33.33 / 2 x180 x192 x192 x144 - * 1 1 0 1 33.33 / 2 x180 x192 x128 x144 + * 1 0 1 1 25 x 1 x120 x128 x128 x96 /24 + * 1 1 0 0 33.33 / 2 x180 x192 x192 x144 /32 + * 1 1 0 1 33.33 / 2 x180 x192 x128 x144 /32 * 1 1 1 0 Prohibited setting - * 1 1 1 1 33.33 / 2 x180 x192 x192 x144 + * 1 1 1 1 33.33 / 2 x180 x192 x192 x144 /32 */ #define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 11) | \ (((md) & BIT(13)) >> 11) | \ @@ -278,23 +281,23 @@ static const unsigned int r8a77965_crit_mod_clks[] __initconst = { (((md) & BIT(17)) >> 17)) static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[16] __initconst = { - /* EXTAL div PLL1 mult/div PLL3 mult/div */ - { 1, 192, 1, 192, 1, }, - { 1, 192, 1, 128, 1, }, - { 0, /* Prohibited setting */ }, - { 1, 192, 1, 192, 1, }, - { 1, 160, 1, 160, 1, }, - { 1, 160, 1, 106, 1, }, - { 0, /* Prohibited setting */ }, - { 1, 160, 1, 160, 1, }, - { 1, 128, 1, 128, 1, }, - { 1, 128, 1, 84, 1, }, - { 0, /* Prohibited setting */ }, - { 1, 128, 1, 128, 1, }, - { 2, 192, 1, 192, 1, }, - { 2, 192, 1, 128, 1, }, - { 0, /* Prohibited setting */ }, - { 2, 192, 1, 192, 1, }, + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 192, 1, 128, 1, 16, }, + { 0, /* Prohibited setting */ }, + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 160, 1, 106, 1, 19, }, + { 0, /* Prohibited setting */ }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 128, 1, 128, 1, 24, }, + { 1, 128, 1, 84, 1, 24, }, + { 0, /* Prohibited setting */ }, + { 1, 128, 1, 128, 1, 24, }, + { 2, 192, 1, 192, 1, 32, }, + { 2, 192, 1, 128, 1, 32, }, + { 0, /* Prohibited setting */ }, + { 2, 192, 1, 192, 1, 32, }, }; static int __init r8a77965_cpg_mssr_init(struct device *dev) diff --git a/drivers/clk/renesas/r8a77970-cpg-mssr.c b/drivers/clk/renesas/r8a77970-cpg-mssr.c index f55842917e8d..2015e45543e9 100644 --- a/drivers/clk/renesas/r8a77970-cpg-mssr.c +++ b/drivers/clk/renesas/r8a77970-cpg-mssr.c @@ -1,17 +1,15 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a77970 Clock Pulse Generator / Module Standby and Software Reset * - * Copyright (C) 2017 Cogent Embedded Inc. + * Copyright (C) 2017-2018 Cogent Embedded Inc. * * Based on r8a7795-cpg-mssr.c * * Copyright (C) 2015 Glider bvba - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ +#include <linux/clk-provider.h> #include <linux/device.h> #include <linux/init.h> #include <linux/kernel.h> @@ -22,6 +20,13 @@ #include "renesas-cpg-mssr.h" #include "rcar-gen3-cpg.h" +#define CPG_SD0CKCR 0x0074 + +enum r8a77970_clk_types { + CLK_TYPE_R8A77970_SD0H = CLK_TYPE_GEN3_SOC_BASE, + CLK_TYPE_R8A77970_SD0, +}; + enum clk_ids { /* Core Clock Outputs exported to DT */ LAST_DT_CORE_CLK = R8A77970_CLK_OSC, @@ -42,6 +47,20 @@ enum clk_ids { MOD_CLK_BASE }; +static spinlock_t cpg_lock; + +static const struct clk_div_table cpg_sd0h_div_table[] = { + { 0, 2 }, { 1, 3 }, { 2, 4 }, { 3, 6 }, + { 4, 8 }, { 5, 12 }, { 6, 16 }, { 7, 18 }, + { 8, 24 }, { 10, 36 }, { 11, 48 }, { 0, 0 }, +}; + +static const struct clk_div_table cpg_sd0_div_table[] = { + { 4, 8 }, { 5, 12 }, { 6, 16 }, { 7, 18 }, + { 8, 24 }, { 10, 36 }, { 11, 48 }, { 12, 10 }, + { 0, 0 }, +}; + static const struct cpg_core_clk r8a77970_core_clks[] __initconst = { /* External Clock Inputs */ DEF_INPUT("extal", CLK_EXTAL), @@ -68,6 +87,10 @@ static const struct cpg_core_clk r8a77970_core_clks[] __initconst = { DEF_FIXED("s2d2", R8A77970_CLK_S2D2, CLK_PLL1_DIV2, 12, 1), DEF_FIXED("s2d4", R8A77970_CLK_S2D4, CLK_PLL1_DIV2, 24, 1), + DEF_BASE("sd0h", R8A77970_CLK_SD0H, CLK_TYPE_R8A77970_SD0H, + CLK_PLL1_DIV2), + DEF_BASE("sd0", R8A77970_CLK_SD0, CLK_TYPE_R8A77970_SD0, CLK_PLL1_DIV2), + DEF_FIXED("cl", R8A77970_CLK_CL, CLK_PLL1_DIV2, 48, 1), DEF_FIXED("cp", R8A77970_CLK_CP, CLK_EXTAL, 2, 1), @@ -80,6 +103,11 @@ static const struct cpg_core_clk r8a77970_core_clks[] __initconst = { }; static const struct mssr_mod_clk r8a77970_mod_clks[] __initconst = { + DEF_MOD("tmu4", 121, R8A77970_CLK_S2D2), + DEF_MOD("tmu3", 122, R8A77970_CLK_S2D2), + DEF_MOD("tmu2", 123, R8A77970_CLK_S2D2), + DEF_MOD("tmu1", 124, R8A77970_CLK_S2D2), + DEF_MOD("tmu0", 125, R8A77970_CLK_CP), DEF_MOD("ivcp1e", 127, R8A77970_CLK_S2D1), DEF_MOD("scif4", 203, R8A77970_CLK_S2D4), DEF_MOD("scif3", 204, R8A77970_CLK_S2D4), @@ -92,6 +120,12 @@ static const struct mssr_mod_clk r8a77970_mod_clks[] __initconst = { DEF_MOD("mfis", 213, R8A77970_CLK_S2D2), DEF_MOD("sys-dmac2", 217, R8A77970_CLK_S2D1), DEF_MOD("sys-dmac1", 218, R8A77970_CLK_S2D1), + DEF_MOD("cmt3", 300, R8A77970_CLK_R), + DEF_MOD("cmt2", 301, R8A77970_CLK_R), + DEF_MOD("cmt1", 302, R8A77970_CLK_R), + DEF_MOD("cmt0", 303, R8A77970_CLK_R), + DEF_MOD("tpu0", 304, R8A77970_CLK_S2D4), + DEF_MOD("sd-if", 314, R8A77970_CLK_SD0), DEF_MOD("rwdt", 402, R8A77970_CLK_R), DEF_MOD("intc-ex", 407, R8A77970_CLK_CP), DEF_MOD("intc-ap", 408, R8A77970_CLK_S2D1), @@ -173,11 +207,46 @@ static int __init r8a77970_cpg_mssr_init(struct device *dev) if (error) return error; + spin_lock_init(&cpg_lock); + cpg_pll_config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; return rcar_gen3_cpg_init(cpg_pll_config, CLK_EXTALR, cpg_mode); } +static struct clk * __init r8a77970_cpg_clk_register(struct device *dev, + const struct cpg_core_clk *core, const struct cpg_mssr_info *info, + struct clk **clks, void __iomem *base, + struct raw_notifier_head *notifiers) +{ + const struct clk_div_table *table; + const struct clk *parent; + unsigned int shift; + + switch (core->type) { + case CLK_TYPE_R8A77970_SD0H: + table = cpg_sd0h_div_table; + shift = 8; + break; + case CLK_TYPE_R8A77970_SD0: + table = cpg_sd0_div_table; + shift = 4; + break; + default: + return rcar_gen3_cpg_clk_register(dev, core, info, clks, base, + notifiers); + } + + parent = clks[core->parent]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + + return clk_register_divider_table(NULL, core->name, + __clk_get_name(parent), 0, + base + CPG_SD0CKCR, + shift, 4, 0, table, &cpg_lock); +} + const struct cpg_mssr_info r8a77970_cpg_mssr_info __initconst = { /* Core Clocks */ .core_clks = r8a77970_core_clks, @@ -196,5 +265,5 @@ const struct cpg_mssr_info r8a77970_cpg_mssr_info __initconst = { /* Callbacks */ .init = r8a77970_cpg_mssr_init, - .cpg_clk_register = rcar_gen3_cpg_clk_register, + .cpg_clk_register = r8a77970_cpg_clk_register, }; diff --git a/drivers/clk/renesas/r8a77980-cpg-mssr.c b/drivers/clk/renesas/r8a77980-cpg-mssr.c index d7ebd9ec0059..25a3083b6764 100644 --- a/drivers/clk/renesas/r8a77980-cpg-mssr.c +++ b/drivers/clk/renesas/r8a77980-cpg-mssr.c @@ -41,6 +41,7 @@ enum clk_ids { CLK_S2, CLK_S3, CLK_SDSRC, + CLK_OCO, /* Module Clocks */ MOD_CLK_BASE @@ -64,6 +65,7 @@ static const struct cpg_core_clk r8a77980_core_clks[] __initconst = { DEF_FIXED(".s2", CLK_S2, CLK_PLL1_DIV2, 4, 1), DEF_FIXED(".s3", CLK_S3, CLK_PLL1_DIV2, 6, 1), DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1_DIV2, 2, 1), + DEF_RATE(".oco", CLK_OCO, 32768), /* Core Clock Outputs */ DEF_FIXED("ztr", R8A77980_CLK_ZTR, CLK_PLL1_DIV2, 6, 1), @@ -96,6 +98,9 @@ static const struct cpg_core_clk r8a77980_core_clks[] __initconst = { DEF_DIV6P1("canfd", R8A77980_CLK_CANFD, CLK_PLL1_DIV4, 0x244), DEF_DIV6P1("csi0", R8A77980_CLK_CSI0, CLK_PLL1_DIV4, 0x00c), DEF_DIV6P1("mso", R8A77980_CLK_MSO, CLK_PLL1_DIV4, 0x014), + + DEF_GEN3_OSC("osc", R8A77980_CLK_OSC, CLK_EXTAL, 8), + DEF_GEN3_MDSEL("r", R8A77980_CLK_R, 29, CLK_EXTALR, 1, CLK_OCO, 1), }; static const struct mssr_mod_clk r8a77980_mod_clks[] __initconst = { @@ -114,9 +119,14 @@ static const struct mssr_mod_clk r8a77980_mod_clks[] __initconst = { DEF_MOD("msiof0", 211, R8A77980_CLK_MSO), DEF_MOD("sys-dmac2", 217, R8A77980_CLK_S0D3), DEF_MOD("sys-dmac1", 218, R8A77980_CLK_S0D3), + DEF_MOD("cmt3", 300, R8A77980_CLK_R), + DEF_MOD("cmt2", 301, R8A77980_CLK_R), + DEF_MOD("cmt1", 302, R8A77980_CLK_R), + DEF_MOD("cmt0", 303, R8A77980_CLK_R), DEF_MOD("tpu0", 304, R8A77980_CLK_S3D4), DEF_MOD("sdif", 314, R8A77980_CLK_SD0), DEF_MOD("pciec0", 319, R8A77980_CLK_S2D2), + DEF_MOD("rwdt", 402, R8A77980_CLK_R), DEF_MOD("intc-ex", 407, R8A77980_CLK_CP), DEF_MOD("intc-ap", 408, R8A77980_CLK_S0D3), DEF_MOD("hscif3", 517, R8A77980_CLK_S3D1), @@ -171,23 +181,23 @@ static const unsigned int r8a77980_crit_mod_clks[] __initconst = { */ /* - * MD EXTAL PLL2 PLL1 PLL3 + * MD EXTAL PLL2 PLL1 PLL3 OSC * 14 13 (MHz) - * -------------------------------------------------- - * 0 0 16.66 x 1 x240 x192 x192 - * 0 1 20 x 1 x200 x160 x160 - * 1 0 27 x 1 x148 x118 x118 - * 1 1 33.33 / 2 x240 x192 x192 + * -------------------------------------------------------- + * 0 0 16.66 x 1 x240 x192 x192 /16 + * 0 1 20 x 1 x200 x160 x160 /19 + * 1 0 27 x 1 x148 x118 x118 /26 + * 1 1 33.33 / 2 x240 x192 x192 /32 */ #define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 13) | \ (((md) & BIT(13)) >> 13)) static const struct rcar_gen3_cpg_pll_config cpg_pll_configs[4] __initconst = { - /* EXTAL div PLL1 mult/div PLL3 mult/div */ - { 1, 192, 1, 192, 1, }, - { 1, 160, 1, 160, 1, }, - { 1, 118, 1, 118, 1, }, - { 2, 192, 1, 192, 1, }, + /* EXTAL div PLL1 mult/div PLL3 mult/div OSC prediv */ + { 1, 192, 1, 192, 1, 16, }, + { 1, 160, 1, 160, 1, 19, }, + { 1, 118, 1, 118, 1, 26, }, + { 2, 192, 1, 192, 1, 32, }, }; static int __init r8a77980_cpg_mssr_init(struct device *dev) diff --git a/drivers/clk/renesas/r8a77990-cpg-mssr.c b/drivers/clk/renesas/r8a77990-cpg-mssr.c index 9e14f1486fbb..9eb80180eea0 100644 --- a/drivers/clk/renesas/r8a77990-cpg-mssr.c +++ b/drivers/clk/renesas/r8a77990-cpg-mssr.c @@ -44,6 +44,8 @@ enum clk_ids { CLK_S2, CLK_S3, CLK_SDSRC, + CLK_RINT, + CLK_OCO, /* Module Clocks */ MOD_CLK_BASE @@ -72,6 +74,10 @@ static const struct cpg_core_clk r8a77990_core_clks[] __initconst = { DEF_FIXED(".s3", CLK_S3, CLK_PLL1, 6, 1), DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1, 2, 1), + DEF_DIV6_RO(".r", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), + + DEF_RATE(".oco", CLK_OCO, 8 * 1000 * 1000), + /* Core Clock Outputs */ DEF_FIXED("za2", R8A77990_CLK_ZA2, CLK_PLL0D24, 1, 1), DEF_FIXED("za8", R8A77990_CLK_ZA8, CLK_PLL0D8, 1, 1), @@ -100,8 +106,8 @@ static const struct cpg_core_clk r8a77990_core_clks[] __initconst = { DEF_FIXED("cl", R8A77990_CLK_CL, CLK_PLL1, 48, 1), DEF_FIXED("cp", R8A77990_CLK_CP, CLK_EXTAL, 2, 1), DEF_FIXED("cpex", R8A77990_CLK_CPEX, CLK_EXTAL, 4, 1), - DEF_FIXED("osc", R8A77990_CLK_OSC, CLK_EXTAL, 384, 1), - DEF_FIXED("r", R8A77990_CLK_R, CLK_EXTAL, 1536, 1), + + DEF_DIV6_RO("osc", R8A77990_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), DEF_GEN3_PE("s0d6c", R8A77990_CLK_S0D6C, CLK_S0, 6, CLK_PE, 2), DEF_GEN3_PE("s3d1c", R8A77990_CLK_S3D1C, CLK_S3, 1, CLK_PE, 1), @@ -111,6 +117,8 @@ static const struct cpg_core_clk r8a77990_core_clks[] __initconst = { DEF_DIV6P1("canfd", R8A77990_CLK_CANFD, CLK_PLL0D6, 0x244), DEF_DIV6P1("csi0", R8A77990_CLK_CSI0, CLK_PLL1D2, 0x00c), DEF_DIV6P1("mso", R8A77990_CLK_MSO, CLK_PLL1D2, 0x014), + + DEF_GEN3_RCKSEL("r", R8A77990_CLK_R, CLK_RINT, 1, CLK_OCO, 61 * 4), }; static const struct mssr_mod_clk r8a77990_mod_clks[] __initconst = { @@ -202,6 +210,7 @@ static const struct mssr_mod_clk r8a77990_mod_clks[] __initconst = { DEF_MOD("i2c1", 930, R8A77990_CLK_S3D2), DEF_MOD("i2c0", 931, R8A77990_CLK_S3D2), + DEF_MOD("i2c7", 1003, R8A77990_CLK_S3D2), DEF_MOD("ssi-all", 1005, R8A77990_CLK_S3D4), DEF_MOD("ssi9", 1006, MOD_CLK_ID(1005)), DEF_MOD("ssi8", 1007, MOD_CLK_ID(1005)), @@ -241,8 +250,8 @@ static const unsigned int r8a77990_crit_mod_clks[] __initconst = { /* * MD19 EXTAL (MHz) PLL0 PLL1 PLL3 *-------------------------------------------------------------------- - * 0 48 x 1 x100/4 x100/3 x100/3 - * 1 48 x 1 x100/4 x100/3 x58/3 + * 0 48 x 1 x100/1 x100/3 x100/3 + * 1 48 x 1 x100/1 x100/3 x58/3 */ #define CPG_PLL_CONFIG_INDEX(md) (((md) & BIT(19)) >> 19) diff --git a/drivers/clk/renesas/r8a77995-cpg-mssr.c b/drivers/clk/renesas/r8a77995-cpg-mssr.c index ea4cafbe6e85..47e60e3dbe05 100644 --- a/drivers/clk/renesas/r8a77995-cpg-mssr.c +++ b/drivers/clk/renesas/r8a77995-cpg-mssr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * r8a77995 Clock Pulse Generator / Module Standby and Software Reset * @@ -7,10 +8,6 @@ * * Copyright (C) 2015 Glider bvba * Copyright (C) 2015 Renesas Electronics Corp. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/device.h> @@ -46,6 +43,8 @@ enum clk_ids { CLK_S3, CLK_SDSRC, CLK_SSPSRC, + CLK_RINT, + CLK_OCO, /* Module Clocks */ MOD_CLK_BASE @@ -72,6 +71,10 @@ static const struct cpg_core_clk r8a77995_core_clks[] __initconst = { DEF_FIXED(".s3", CLK_S3, CLK_PLL1, 6, 1), DEF_FIXED(".sdsrc", CLK_SDSRC, CLK_PLL1, 2, 1), + DEF_DIV6_RO(".r", CLK_RINT, CLK_EXTAL, CPG_RCKCR, 32), + + DEF_RATE(".oco", CLK_OCO, 8 * 1000 * 1000), + /* Core Clock Outputs */ DEF_FIXED("z2", R8A77995_CLK_Z2, CLK_PLL0D3, 1, 1), DEF_FIXED("ztr", R8A77995_CLK_ZTR, CLK_PLL1, 6, 1), @@ -90,8 +93,8 @@ static const struct cpg_core_clk r8a77995_core_clks[] __initconst = { DEF_FIXED("cl", R8A77995_CLK_CL, CLK_PLL1, 48, 1), DEF_FIXED("cp", R8A77995_CLK_CP, CLK_EXTAL, 2, 1), - DEF_FIXED("osc", R8A77995_CLK_OSC, CLK_EXTAL, 384, 1), - DEF_FIXED("r", R8A77995_CLK_R, CLK_EXTAL, 1536, 1), + + DEF_DIV6_RO("osc", R8A77995_CLK_OSC, CLK_EXTAL, CPG_RCKCR, 8), DEF_GEN3_PE("s1d4c", R8A77995_CLK_S1D4C, CLK_S1, 4, CLK_PE, 2), DEF_GEN3_PE("s3d1c", R8A77995_CLK_S3D1C, CLK_S3, 1, CLK_PE, 1), @@ -102,6 +105,8 @@ static const struct cpg_core_clk r8a77995_core_clks[] __initconst = { DEF_DIV6P1("canfd", R8A77995_CLK_CANFD, CLK_PLL0D3, 0x244), DEF_DIV6P1("mso", R8A77995_CLK_MSO, CLK_PLL1D2, 0x014), + + DEF_GEN3_RCKSEL("r", R8A77995_CLK_R, CLK_RINT, 1, CLK_OCO, 61 * 4), }; static const struct mssr_mod_clk r8a77995_mod_clks[] __initconst = { diff --git a/drivers/clk/renesas/r9a06g032-clocks.c b/drivers/clk/renesas/r9a06g032-clocks.c index a0b6ecdc63dd..6d2b56891559 100644 --- a/drivers/clk/renesas/r9a06g032-clocks.c +++ b/drivers/clk/renesas/r9a06g032-clocks.c @@ -539,7 +539,8 @@ r9a06g032_div_round_rate(struct clk_hw *hw, * several uarts attached to this divider, and changing this impacts * everyone. */ - if (clk->index == R9A06G032_DIV_UART) { + if (clk->index == R9A06G032_DIV_UART || + clk->index == R9A06G032_DIV_P2_PG) { pr_devel("%s div uart hack!\n", __func__); return clk_get_rate(hw->clk); } diff --git a/drivers/clk/renesas/rcar-gen2-cpg.c b/drivers/clk/renesas/rcar-gen2-cpg.c index daf88bc2cdae..f596a2dafcf4 100644 --- a/drivers/clk/renesas/rcar-gen2-cpg.c +++ b/drivers/clk/renesas/rcar-gen2-cpg.c @@ -1,11 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0 /* * R-Car Gen2 Clock Pulse Generator * * Copyright (C) 2016 Cogent Embedded Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation. */ #include <linux/bug.h> diff --git a/drivers/clk/renesas/rcar-gen2-cpg.h b/drivers/clk/renesas/rcar-gen2-cpg.h index 020a3baad015..bff9551c7a38 100644 --- a/drivers/clk/renesas/rcar-gen2-cpg.h +++ b/drivers/clk/renesas/rcar-gen2-cpg.h @@ -1,11 +1,8 @@ -/* +/* SPDX-License-Identifier: GPL-2.0 + * * R-Car Gen2 Clock Pulse Generator * * Copyright (C) 2016 Cogent Embedded Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published - * by the Free Software Foundation; version 2 of the License. */ #ifndef __CLK_RENESAS_RCAR_GEN2_CPG_H__ diff --git a/drivers/clk/renesas/rcar-gen3-cpg.c b/drivers/clk/renesas/rcar-gen3-cpg.c index 628b63b85d3f..4ba38f98cc7b 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.c +++ b/drivers/clk/renesas/rcar-gen3-cpg.c @@ -1,15 +1,12 @@ +// SPDX-License-Identifier: GPL-2.0 /* * R-Car Gen3 Clock Pulse Generator * - * Copyright (C) 2015-2016 Glider bvba + * Copyright (C) 2015-2018 Glider bvba * * Based on clk-rcar-gen3.c * * Copyright (C) 2015 Renesas Electronics Corp. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/bug.h> @@ -31,6 +28,8 @@ #define CPG_PLL2CR 0x002c #define CPG_PLL4CR 0x01f4 +#define CPG_RCKCR_CKSEL BIT(15) /* RCLK Clock Source Select */ + struct cpg_simple_notifier { struct notifier_block nb; void __iomem *reg; @@ -444,7 +443,7 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev, unsigned int div = 1; u32 value; - parent = clks[core->parent & 0xffff]; /* CLK_TYPE_PE uses high bits */ + parent = clks[core->parent & 0xffff]; /* some types use high bits */ if (IS_ERR(parent)) return ERR_CAST(parent); @@ -524,7 +523,7 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev, if (clk_get_rate(clks[cpg_clk_extalr])) { parent = clks[cpg_clk_extalr]; - value |= BIT(15); + value |= CPG_RCKCR_CKSEL; } writel(value, csn->reg); @@ -537,16 +536,14 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev, parent = clks[cpg_clk_extalr]; break; - case CLK_TYPE_GEN3_PE: + case CLK_TYPE_GEN3_MDSEL: /* - * Peripheral clock with a fixed divider, selectable between - * clean and spread spectrum parents using MD12 + * Clock selectable between two parents and two fixed dividers + * using a mode pin */ - if (cpg_mode & BIT(12)) { - /* Clean */ + if (cpg_mode & BIT(core->offset)) { div = core->div & 0xffff; } else { - /* SCCG */ parent = clks[core->parent >> 16]; if (IS_ERR(parent)) return ERR_CAST(parent); @@ -563,6 +560,28 @@ struct clk * __init rcar_gen3_cpg_clk_register(struct device *dev, return cpg_z_clk_register(core->name, __clk_get_name(parent), base, CPG_FRQCRC_Z2FC_MASK); + case CLK_TYPE_GEN3_OSC: + /* + * Clock combining OSC EXTAL predivider and a fixed divider + */ + div = cpg_pll_config->osc_prediv * core->div; + break; + + case CLK_TYPE_GEN3_RCKSEL: + /* + * Clock selectable between two parents and two fixed dividers + * using RCKCR.CKSEL + */ + if (readl(base + CPG_RCKCR) & CPG_RCKCR_CKSEL) { + div = core->div & 0xffff; + } else { + parent = clks[core->parent >> 16]; + if (IS_ERR(parent)) + return ERR_CAST(parent); + div = core->div >> 16; + } + break; + default: return ERR_PTR(-EINVAL); } diff --git a/drivers/clk/renesas/rcar-gen3-cpg.h b/drivers/clk/renesas/rcar-gen3-cpg.h index ea4f8fc3c4c9..f4fb6cf16688 100644 --- a/drivers/clk/renesas/rcar-gen3-cpg.h +++ b/drivers/clk/renesas/rcar-gen3-cpg.h @@ -1,11 +1,9 @@ -/* +/* SPDX-License-Identifier: GPL-2.0 + * * R-Car Gen3 Clock Pulse Generator * - * Copyright (C) 2015-2016 Glider bvba + * Copyright (C) 2015-2018 Glider bvba * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #ifndef __CLK_RENESAS_RCAR_GEN3_CPG_H__ @@ -20,19 +18,35 @@ enum rcar_gen3_clk_types { CLK_TYPE_GEN3_PLL4, CLK_TYPE_GEN3_SD, CLK_TYPE_GEN3_R, - CLK_TYPE_GEN3_PE, + CLK_TYPE_GEN3_MDSEL, /* Select parent/divider using mode pin */ CLK_TYPE_GEN3_Z, CLK_TYPE_GEN3_Z2, + CLK_TYPE_GEN3_OSC, /* OSC EXTAL predivider and fixed divider */ + CLK_TYPE_GEN3_RCKSEL, /* Select parent/divider using RCKCR.CKSEL */ + + /* SoC specific definitions start here */ + CLK_TYPE_GEN3_SOC_BASE, }; #define DEF_GEN3_SD(_name, _id, _parent, _offset) \ DEF_BASE(_name, _id, CLK_TYPE_GEN3_SD, _parent, .offset = _offset) +#define DEF_GEN3_MDSEL(_name, _id, _md, _parent0, _div0, _parent1, _div1) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN3_MDSEL, \ + (_parent0) << 16 | (_parent1), \ + .div = (_div0) << 16 | (_div1), .offset = _md) + #define DEF_GEN3_PE(_name, _id, _parent_sscg, _div_sscg, _parent_clean, \ _div_clean) \ - DEF_BASE(_name, _id, CLK_TYPE_GEN3_PE, \ - (_parent_sscg) << 16 | (_parent_clean), \ - .div = (_div_sscg) << 16 | (_div_clean)) + DEF_GEN3_MDSEL(_name, _id, 12, _parent_sscg, _div_sscg, \ + _parent_clean, _div_clean) + +#define DEF_GEN3_OSC(_name, _id, _parent, _div) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN3_OSC, _parent, .div = _div) + +#define DEF_GEN3_RCKSEL(_name, _id, _parent0, _div0, _parent1, _div1) \ + DEF_BASE(_name, _id, CLK_TYPE_GEN3_RCKSEL, \ + (_parent0) << 16 | (_parent1), .div = (_div0) << 16 | (_div1)) struct rcar_gen3_cpg_pll_config { u8 extal_div; @@ -40,6 +54,7 @@ struct rcar_gen3_cpg_pll_config { u8 pll1_div; u8 pll3_mult; u8 pll3_div; + u8 osc_prediv; }; #define CPG_RCKCR 0x240 diff --git a/drivers/clk/renesas/rcar-usb2-clock-sel.c b/drivers/clk/renesas/rcar-usb2-clock-sel.c index 6cd030a58964..b241f9ca3d71 100644 --- a/drivers/clk/renesas/rcar-usb2-clock-sel.c +++ b/drivers/clk/renesas/rcar-usb2-clock-sel.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Renesas R-Car USB2.0 clock selector * @@ -6,10 +7,6 @@ * Based on renesas-cpg-mssr.c * * Copyright (C) 2015 Glider bvba - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/clk.h> diff --git a/drivers/clk/renesas/renesas-cpg-mssr.c b/drivers/clk/renesas/renesas-cpg-mssr.c index f4b013e9352d..f7bb817420b4 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.c +++ b/drivers/clk/renesas/renesas-cpg-mssr.c @@ -1,3 +1,4 @@ +// SPDX-License-Identifier: GPL-2.0 /* * Renesas Clock Pulse Generator / Module Standby and Software Reset * @@ -7,10 +8,6 @@ * * Copyright (C) 2013 Ideas On Board SPRL * Copyright (C) 2015 Renesas Electronics Corp. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #include <linux/clk.h> @@ -73,6 +70,17 @@ static const u16 smstpcr[] = { #define SMSTPCR(i) smstpcr[i] +/* + * Standby Control Register offsets (RZ/A) + * Base address is FRQCR register + */ + +static const u16 stbcr[] = { + 0xFFFF/*dummy*/, 0x010, 0x014, 0x410, 0x414, 0x418, 0x41C, 0x420, + 0x424, 0x428, 0x42C, +}; + +#define STBCR(i) stbcr[i] /* * Software Reset Register offsets @@ -110,6 +118,7 @@ static const u16 srcr[] = { * @notifiers: Notifier chain to save/restore clock state for system resume * @smstpcr_saved[].mask: Mask of SMSTPCR[] bits under our control * @smstpcr_saved[].val: Saved values of SMSTPCR[] + * @stbyctrl: This device has Standby Control Registers */ struct cpg_mssr_priv { #ifdef CONFIG_RESET_CONTROLLER @@ -118,11 +127,13 @@ struct cpg_mssr_priv { struct device *dev; void __iomem *base; spinlock_t rmw_lock; + struct device_node *np; struct clk **clks; unsigned int num_core_clks; unsigned int num_mod_clks; unsigned int last_dt_core_clk; + bool stbyctrl; struct raw_notifier_head notifiers; struct { @@ -131,6 +142,7 @@ struct cpg_mssr_priv { } smstpcr_saved[ARRAY_SIZE(smstpcr)]; }; +static struct cpg_mssr_priv *cpg_mssr_priv; /** * struct mstp_clock - MSTP gating clock @@ -162,16 +174,29 @@ static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) enable ? "ON" : "OFF"); spin_lock_irqsave(&priv->rmw_lock, flags); - value = readl(priv->base + SMSTPCR(reg)); - if (enable) - value &= ~bitmask; - else - value |= bitmask; - writel(value, priv->base + SMSTPCR(reg)); + if (priv->stbyctrl) { + value = readb(priv->base + STBCR(reg)); + if (enable) + value &= ~bitmask; + else + value |= bitmask; + writeb(value, priv->base + STBCR(reg)); + + /* dummy read to ensure write has completed */ + readb(priv->base + STBCR(reg)); + barrier_data(priv->base + STBCR(reg)); + } else { + value = readl(priv->base + SMSTPCR(reg)); + if (enable) + value &= ~bitmask; + else + value |= bitmask; + writel(value, priv->base + SMSTPCR(reg)); + } spin_unlock_irqrestore(&priv->rmw_lock, flags); - if (!enable) + if (!enable || priv->stbyctrl) return 0; for (i = 1000; i > 0; --i) { @@ -205,7 +230,10 @@ static int cpg_mstp_clock_is_enabled(struct clk_hw *hw) struct cpg_mssr_priv *priv = clock->priv; u32 value; - value = readl(priv->base + MSTPSR(clock->index / 32)); + if (priv->stbyctrl) + value = readb(priv->base + STBCR(clock->index / 32)); + else + value = readl(priv->base + MSTPSR(clock->index / 32)); return !(value & BIT(clock->index % 32)); } @@ -226,6 +254,7 @@ struct clk *cpg_mssr_clk_src_twocell_get(struct of_phandle_args *clkspec, unsigned int idx; const char *type; struct clk *clk; + int range_check; switch (clkspec->args[0]) { case CPG_CORE: @@ -240,8 +269,14 @@ struct clk *cpg_mssr_clk_src_twocell_get(struct of_phandle_args *clkspec, case CPG_MOD: type = "module"; - idx = MOD_CLK_PACK(clkidx); - if (clkidx % 100 > 31 || idx >= priv->num_mod_clks) { + if (priv->stbyctrl) { + idx = MOD_CLK_PACK_10(clkidx); + range_check = 7 - (clkidx % 10); + } else { + idx = MOD_CLK_PACK(clkidx); + range_check = 31 - (clkidx % 100); + } + if (range_check < 0 || idx >= priv->num_mod_clks) { dev_err(dev, "Invalid %s clock index %u\n", type, clkidx); return ERR_PTR(-EINVAL); @@ -283,7 +318,7 @@ static void __init cpg_mssr_register_core_clk(const struct cpg_core_clk *core, switch (core->type) { case CLK_TYPE_IN: - clk = of_clk_get_by_name(priv->dev->of_node, core->name); + clk = of_clk_get_by_name(priv->np, core->name); break; case CLK_TYPE_FF: @@ -313,6 +348,11 @@ static void __init cpg_mssr_register_core_clk(const struct cpg_core_clk *core, } break; + case CLK_TYPE_FR: + clk = clk_register_fixed_rate(NULL, core->name, NULL, 0, + core->mult); + break; + default: if (info->cpg_clk_register) clk = info->cpg_clk_register(dev, core, info, @@ -641,11 +681,22 @@ static inline int cpg_mssr_reset_controller_register(struct cpg_mssr_priv *priv) static const struct of_device_id cpg_mssr_match[] = { +#ifdef CONFIG_CLK_R7S9210 + { + .compatible = "renesas,r7s9210-cpg-mssr", + .data = &r7s9210_cpg_mssr_info, + }, +#endif #ifdef CONFIG_CLK_R8A7743 { .compatible = "renesas,r8a7743-cpg-mssr", .data = &r8a7743_cpg_mssr_info, }, + /* RZ/G1N is (almost) identical to RZ/G1M w.r.t. clocks. */ + { + .compatible = "renesas,r8a7744-cpg-mssr", + .data = &r8a7743_cpg_mssr_info, + }, #endif #ifdef CONFIG_CLK_R8A7745 { @@ -659,6 +710,18 @@ static const struct of_device_id cpg_mssr_match[] = { .data = &r8a77470_cpg_mssr_info, }, #endif +#ifdef CONFIG_CLK_R8A774A1 + { + .compatible = "renesas,r8a774a1-cpg-mssr", + .data = &r8a774a1_cpg_mssr_info, + }, +#endif +#ifdef CONFIG_CLK_R8A774C0 + { + .compatible = "renesas,r8a774c0-cpg-mssr", + .data = &r8a774c0_cpg_mssr_info, + }, +#endif #ifdef CONFIG_CLK_R8A7790 { .compatible = "renesas,r8a7790-cpg-mssr", @@ -780,13 +843,23 @@ static int cpg_mssr_resume_noirq(struct device *dev) if (!mask) continue; - oldval = readl(priv->base + SMSTPCR(reg)); + if (priv->stbyctrl) + oldval = readb(priv->base + STBCR(reg)); + else + oldval = readl(priv->base + SMSTPCR(reg)); newval = oldval & ~mask; newval |= priv->smstpcr_saved[reg].val & mask; if (newval == oldval) continue; - writel(newval, priv->base + SMSTPCR(reg)); + if (priv->stbyctrl) { + writeb(newval, priv->base + STBCR(reg)); + /* dummy read to ensure write has completed */ + readb(priv->base + STBCR(reg)); + barrier_data(priv->base + STBCR(reg)); + continue; + } else + writel(newval, priv->base + SMSTPCR(reg)); /* Wait until enabled clocks are really enabled */ mask &= ~priv->smstpcr_saved[reg].val; @@ -817,61 +890,115 @@ static const struct dev_pm_ops cpg_mssr_pm = { #define DEV_PM_OPS NULL #endif /* CONFIG_PM_SLEEP && CONFIG_ARM_PSCI_FW */ -static int __init cpg_mssr_probe(struct platform_device *pdev) +static int __init cpg_mssr_common_init(struct device *dev, + struct device_node *np, + const struct cpg_mssr_info *info) { - struct device *dev = &pdev->dev; - struct device_node *np = dev->of_node; - const struct cpg_mssr_info *info; struct cpg_mssr_priv *priv; + struct clk **clks = NULL; unsigned int nclks, i; - struct resource *res; - struct clk **clks; int error; - info = of_device_get_match_data(dev); if (info->init) { error = info->init(dev); if (error) return error; } - priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL); + priv = kzalloc(sizeof(*priv), GFP_KERNEL); if (!priv) return -ENOMEM; + priv->np = np; priv->dev = dev; spin_lock_init(&priv->rmw_lock); - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - priv->base = devm_ioremap_resource(dev, res); - if (IS_ERR(priv->base)) - return PTR_ERR(priv->base); + priv->base = of_iomap(np, 0); + if (!priv->base) { + error = -ENOMEM; + goto out_err; + } nclks = info->num_total_core_clks + info->num_hw_mod_clks; - clks = devm_kmalloc_array(dev, nclks, sizeof(*clks), GFP_KERNEL); - if (!clks) - return -ENOMEM; + clks = kmalloc_array(nclks, sizeof(*clks), GFP_KERNEL); + if (!clks) { + error = -ENOMEM; + goto out_err; + } - dev_set_drvdata(dev, priv); + cpg_mssr_priv = priv; priv->clks = clks; priv->num_core_clks = info->num_total_core_clks; priv->num_mod_clks = info->num_hw_mod_clks; priv->last_dt_core_clk = info->last_dt_core_clk; RAW_INIT_NOTIFIER_HEAD(&priv->notifiers); + priv->stbyctrl = info->stbyctrl; for (i = 0; i < nclks; i++) clks[i] = ERR_PTR(-ENOENT); + error = of_clk_add_provider(np, cpg_mssr_clk_src_twocell_get, priv); + if (error) + goto out_err; + + return 0; + +out_err: + kfree(clks); + if (priv->base) + iounmap(priv->base); + kfree(priv); + + return error; +} + +void __init cpg_mssr_early_init(struct device_node *np, + const struct cpg_mssr_info *info) +{ + int error; + int i; + + error = cpg_mssr_common_init(NULL, np, info); + if (error) + return; + + for (i = 0; i < info->num_early_core_clks; i++) + cpg_mssr_register_core_clk(&info->early_core_clks[i], info, + cpg_mssr_priv); + + for (i = 0; i < info->num_early_mod_clks; i++) + cpg_mssr_register_mod_clk(&info->early_mod_clks[i], info, + cpg_mssr_priv); + +} + +static int __init cpg_mssr_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct device_node *np = dev->of_node; + const struct cpg_mssr_info *info; + struct cpg_mssr_priv *priv; + unsigned int i; + int error; + + info = of_device_get_match_data(dev); + + if (!cpg_mssr_priv) { + error = cpg_mssr_common_init(dev, dev->of_node, info); + if (error) + return error; + } + + priv = cpg_mssr_priv; + priv->dev = dev; + dev_set_drvdata(dev, priv); + for (i = 0; i < info->num_core_clks; i++) cpg_mssr_register_core_clk(&info->core_clks[i], info, priv); for (i = 0; i < info->num_mod_clks; i++) cpg_mssr_register_mod_clk(&info->mod_clks[i], info, priv); - error = of_clk_add_provider(np, cpg_mssr_clk_src_twocell_get, priv); - if (error) - return error; - error = devm_add_action_or_reset(dev, cpg_mssr_del_clk_provider, np); @@ -883,6 +1010,10 @@ static int __init cpg_mssr_probe(struct platform_device *pdev) if (error) return error; + /* Reset Controller not supported for Standby Control SoCs */ + if (info->stbyctrl) + return 0; + error = cpg_mssr_reset_controller_register(priv); if (error) return error; diff --git a/drivers/clk/renesas/renesas-cpg-mssr.h b/drivers/clk/renesas/renesas-cpg-mssr.h index 642f720b9b05..c4ec9df146fd 100644 --- a/drivers/clk/renesas/renesas-cpg-mssr.h +++ b/drivers/clk/renesas/renesas-cpg-mssr.h @@ -1,11 +1,8 @@ -/* +/* SPDX-License-Identifier: GPL-2.0 + * * Renesas Clock Pulse Generator / Module Standby and Software Reset * * Copyright (C) 2015 Glider bvba - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; version 2 of the License. */ #ifndef __CLK_RENESAS_CPG_MSSR_H__ @@ -38,6 +35,7 @@ enum clk_types { CLK_TYPE_FF, /* Fixed Factor Clock */ CLK_TYPE_DIV6P1, /* DIV6 Clock with 1 parent clock */ CLK_TYPE_DIV6_RO, /* DIV6 Clock read only with extra divisor */ + CLK_TYPE_FR, /* Fixed Rate Clock */ /* Custom definitions start here */ CLK_TYPE_CUSTOM, @@ -56,6 +54,8 @@ enum clk_types { DEF_BASE(_name, _id, CLK_TYPE_DIV6P1, _parent, .offset = _offset) #define DEF_DIV6_RO(_name, _id, _parent, _offset, _div) \ DEF_BASE(_name, _id, CLK_TYPE_DIV6_RO, _parent, .offset = _offset, .div = _div, .mult = 1) +#define DEF_RATE(_name, _id, _rate) \ + DEF_TYPE(_name, _id, CLK_TYPE_FR, .mult = _rate) /* * Definitions of Module Clocks @@ -75,12 +75,24 @@ struct mssr_mod_clk { #define DEF_MOD(_name, _mod, _parent...) \ { .name = _name, .id = MOD_CLK_ID(_mod), .parent = _parent } +/* Convert from sparse base-10 to packed index space */ +#define MOD_CLK_PACK_10(x) ((x / 10) * 32 + (x % 10)) + +#define MOD_CLK_ID_10(x) (MOD_CLK_BASE + MOD_CLK_PACK_10(x)) + +#define DEF_MOD_STB(_name, _mod, _parent...) \ + { .name = _name, .id = MOD_CLK_ID_10(_mod), .parent = _parent } struct device_node; /** * SoC-specific CPG/MSSR Description * + * @early_core_clks: Array of Early Core Clock definitions + * @num_early_core_clks: Number of entries in early_core_clks[] + * @early_mod_clks: Array of Early Module Clock definitions + * @num_early_mod_clks: Number of entries in early_mod_clks[] + * * @core_clks: Array of Core Clock definitions * @num_core_clks: Number of entries in core_clks[] * @last_dt_core_clk: ID of the last Core Clock exported to DT @@ -100,14 +112,25 @@ struct device_node; * * @init: Optional callback to perform SoC-specific initialization * @cpg_clk_register: Optional callback to handle special Core Clock types + * + * @stbyctrl: This device has Standby Control Registers which are 8-bits + * wide, no status registers (MSTPSR) and have different address + * offsets. */ struct cpg_mssr_info { + /* Early Clocks */ + const struct cpg_core_clk *early_core_clks; + unsigned int num_early_core_clks; + const struct mssr_mod_clk *early_mod_clks; + unsigned int num_early_mod_clks; + /* Core Clocks */ const struct cpg_core_clk *core_clks; unsigned int num_core_clks; unsigned int last_dt_core_clk; unsigned int num_total_core_clks; + bool stbyctrl; /* Module Clocks */ const struct mssr_mod_clk *mod_clks; @@ -131,9 +154,12 @@ struct cpg_mssr_info { struct raw_notifier_head *notifiers); }; +extern const struct cpg_mssr_info r7s9210_cpg_mssr_info; extern const struct cpg_mssr_info r8a7743_cpg_mssr_info; extern const struct cpg_mssr_info r8a7745_cpg_mssr_info; extern const struct cpg_mssr_info r8a77470_cpg_mssr_info; +extern const struct cpg_mssr_info r8a774a1_cpg_mssr_info; +extern const struct cpg_mssr_info r8a774c0_cpg_mssr_info; extern const struct cpg_mssr_info r8a7790_cpg_mssr_info; extern const struct cpg_mssr_info r8a7791_cpg_mssr_info; extern const struct cpg_mssr_info r8a7792_cpg_mssr_info; @@ -146,6 +172,8 @@ extern const struct cpg_mssr_info r8a77980_cpg_mssr_info; extern const struct cpg_mssr_info r8a77990_cpg_mssr_info; extern const struct cpg_mssr_info r8a77995_cpg_mssr_info; +void __init cpg_mssr_early_init(struct device_node *np, + const struct cpg_mssr_info *info); /* * Helpers for fixing up clock tables depending on SoC revision |