diff options
Diffstat (limited to 'drivers/clk')
-rw-r--r-- | drivers/clk/rockchip/clk-rk3288.c | 1 | ||||
-rw-r--r-- | drivers/clk/samsung/clk-exynos4.c | 50 | ||||
-rw-r--r-- | drivers/clk/shmobile/clk-emev2.c | 6 | ||||
-rw-r--r-- | drivers/clk/shmobile/clk-mstp.c | 87 | ||||
-rw-r--r-- | drivers/clk/shmobile/clk-r8a7778.c | 2 | ||||
-rw-r--r-- | drivers/clk/shmobile/clk-r8a7779.c | 2 | ||||
-rw-r--r-- | drivers/clk/shmobile/clk-rcar-gen2.c | 2 | ||||
-rw-r--r-- | drivers/clk/shmobile/clk-rz.c | 3 | ||||
-rw-r--r-- | drivers/clk/ti/Makefile | 2 | ||||
-rw-r--r-- | drivers/clk/ti/clk-43xx.c | 1 | ||||
-rw-r--r-- | drivers/clk/ti/clk-814x.c | 33 | ||||
-rw-r--r-- | drivers/clk/ti/clk-816x.c | 2 | ||||
-rw-r--r-- | drivers/clk/zynq/Makefile | 2 |
13 files changed, 190 insertions, 3 deletions
diff --git a/drivers/clk/rockchip/clk-rk3288.c b/drivers/clk/rockchip/clk-rk3288.c index 0df5bae9ddbf..9040878e3e2b 100644 --- a/drivers/clk/rockchip/clk-rk3288.c +++ b/drivers/clk/rockchip/clk-rk3288.c @@ -780,6 +780,7 @@ static const char *const rk3288_critical_clocks[] __initconst = { "aclk_cpu", "aclk_peri", "hclk_peri", + "pclk_pd_pmu", }; #ifdef CONFIG_PM_SLEEP diff --git a/drivers/clk/samsung/clk-exynos4.c b/drivers/clk/samsung/clk-exynos4.c index 251f48dcd12d..7f370d3e0983 100644 --- a/drivers/clk/samsung/clk-exynos4.c +++ b/drivers/clk/samsung/clk-exynos4.c @@ -1398,6 +1398,45 @@ static const struct exynos_cpuclk_cfg_data e4210_armclk_d[] __initconst = { { 0 }, }; +static const struct exynos_cpuclk_cfg_data e4212_armclk_d[] __initconst = { + { 1500000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4210_CPU_DIV1(2, 6), }, + { 1400000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4210_CPU_DIV1(2, 6), }, + { 1300000, E4210_CPU_DIV0(2, 1, 5, 0, 7, 3), E4210_CPU_DIV1(2, 5), }, + { 1200000, E4210_CPU_DIV0(2, 1, 5, 0, 7, 3), E4210_CPU_DIV1(2, 5), }, + { 1100000, E4210_CPU_DIV0(2, 1, 4, 0, 6, 3), E4210_CPU_DIV1(2, 4), }, + { 1000000, E4210_CPU_DIV0(1, 1, 4, 0, 5, 2), E4210_CPU_DIV1(2, 4), }, + { 900000, E4210_CPU_DIV0(1, 1, 3, 0, 5, 2), E4210_CPU_DIV1(2, 3), }, + { 800000, E4210_CPU_DIV0(1, 1, 3, 0, 5, 2), E4210_CPU_DIV1(2, 3), }, + { 700000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), }, + { 600000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), }, + { 500000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), }, + { 400000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4210_CPU_DIV1(2, 3), }, + { 300000, E4210_CPU_DIV0(1, 1, 2, 0, 4, 2), E4210_CPU_DIV1(2, 3), }, + { 200000, E4210_CPU_DIV0(1, 1, 1, 0, 3, 1), E4210_CPU_DIV1(2, 3), }, + { 0 }, +}; + +#define E4412_CPU_DIV1(cores, hpm, copy) \ + (((cores) << 8) | ((hpm) << 4) | ((copy) << 0)) + +static const struct exynos_cpuclk_cfg_data e4412_armclk_d[] __initconst = { + { 1500000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4412_CPU_DIV1(7, 0, 6), }, + { 1400000, E4210_CPU_DIV0(2, 1, 6, 0, 7, 3), E4412_CPU_DIV1(6, 0, 6), }, + { 1300000, E4210_CPU_DIV0(2, 1, 5, 0, 7, 3), E4412_CPU_DIV1(6, 0, 5), }, + { 1200000, E4210_CPU_DIV0(2, 1, 5, 0, 7, 3), E4412_CPU_DIV1(5, 0, 5), }, + { 1100000, E4210_CPU_DIV0(2, 1, 4, 0, 6, 3), E4412_CPU_DIV1(5, 0, 4), }, + { 1000000, E4210_CPU_DIV0(1, 1, 4, 0, 5, 2), E4412_CPU_DIV1(4, 0, 4), }, + { 900000, E4210_CPU_DIV0(1, 1, 3, 0, 5, 2), E4412_CPU_DIV1(4, 0, 3), }, + { 800000, E4210_CPU_DIV0(1, 1, 3, 0, 5, 2), E4412_CPU_DIV1(3, 0, 3), }, + { 700000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4412_CPU_DIV1(3, 0, 3), }, + { 600000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4412_CPU_DIV1(2, 0, 3), }, + { 500000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4412_CPU_DIV1(2, 0, 3), }, + { 400000, E4210_CPU_DIV0(1, 1, 3, 0, 4, 2), E4412_CPU_DIV1(1, 0, 3), }, + { 300000, E4210_CPU_DIV0(1, 1, 2, 0, 4, 2), E4412_CPU_DIV1(1, 0, 3), }, + { 200000, E4210_CPU_DIV0(1, 1, 1, 0, 3, 1), E4412_CPU_DIV1(0, 0, 3), }, + { 0 }, +}; + /* register exynos4 clocks */ static void __init exynos4_clk_init(struct device_node *np, enum exynos4_soc soc) @@ -1491,6 +1530,17 @@ static void __init exynos4_clk_init(struct device_node *np, samsung_clk_register_fixed_factor(ctx, exynos4x12_fixed_factor_clks, ARRAY_SIZE(exynos4x12_fixed_factor_clks)); + if (of_machine_is_compatible("samsung,exynos4412")) { + exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", + mout_core_p4x12[0], mout_core_p4x12[1], 0x14200, + e4412_armclk_d, ARRAY_SIZE(e4412_armclk_d), + CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1); + } else { + exynos_register_cpu_clock(ctx, CLK_ARM_CLK, "armclk", + mout_core_p4x12[0], mout_core_p4x12[1], 0x14200, + e4212_armclk_d, ARRAY_SIZE(e4212_armclk_d), + CLK_CPU_NEEDS_DEBUG_ALT_DIV | CLK_CPU_HAS_DIV1); + } } samsung_clk_register_alias(ctx, exynos4_aliases, diff --git a/drivers/clk/shmobile/clk-emev2.c b/drivers/clk/shmobile/clk-emev2.c index 5b60beb7d0eb..a91825471c79 100644 --- a/drivers/clk/shmobile/clk-emev2.c +++ b/drivers/clk/shmobile/clk-emev2.c @@ -28,6 +28,8 @@ #define USIBU1_RSTCTRL 0x0ac #define USIBU2_RSTCTRL 0x0b0 #define USIBU3_RSTCTRL 0x0b4 +#define IIC0_RSTCTRL 0x0dc +#define IIC1_RSTCTRL 0x0e0 #define STI_RSTCTRL 0x124 #define STI_CLKSEL 0x688 @@ -66,6 +68,10 @@ static void __init emev2_smu_init(void) emev2_smu_write(2, USIBU1_RSTCTRL); emev2_smu_write(2, USIBU2_RSTCTRL); emev2_smu_write(2, USIBU3_RSTCTRL); + + /* deassert reset for IIC0->IIC1 */ + emev2_smu_write(1, IIC0_RSTCTRL); + emev2_smu_write(1, IIC1_RSTCTRL); } static void __init emev2_smu_clkdiv_init(struct device_node *np) diff --git a/drivers/clk/shmobile/clk-mstp.c b/drivers/clk/shmobile/clk-mstp.c index 2d2fe773ac81..b1df7b2f1e97 100644 --- a/drivers/clk/shmobile/clk-mstp.c +++ b/drivers/clk/shmobile/clk-mstp.c @@ -2,6 +2,7 @@ * R-Car MSTP clocks * * Copyright (C) 2013 Ideas On Board SPRL + * Copyright (C) 2015 Glider bvba * * Contact: Laurent Pinchart <laurent.pinchart@ideasonboard.com> * @@ -10,11 +11,16 @@ * the Free Software Foundation; version 2 of the License. */ +#include <linux/clk.h> #include <linux/clk-provider.h> #include <linux/clkdev.h> +#include <linux/clk/shmobile.h> +#include <linux/device.h> #include <linux/io.h> #include <linux/of.h> #include <linux/of_address.h> +#include <linux/pm_clock.h> +#include <linux/pm_domain.h> #include <linux/spinlock.h> /* @@ -236,3 +242,84 @@ static void __init cpg_mstp_clocks_init(struct device_node *np) of_clk_add_provider(np, of_clk_src_onecell_get, &group->data); } CLK_OF_DECLARE(cpg_mstp_clks, "renesas,cpg-mstp-clocks", cpg_mstp_clocks_init); + + +#ifdef CONFIG_PM_GENERIC_DOMAINS_OF +int cpg_mstp_attach_dev(struct generic_pm_domain *domain, struct device *dev) +{ + struct device_node *np = dev->of_node; + struct of_phandle_args clkspec; + struct clk *clk; + int i = 0; + int error; + + while (!of_parse_phandle_with_args(np, "clocks", "#clock-cells", i, + &clkspec)) { + if (of_device_is_compatible(clkspec.np, + "renesas,cpg-mstp-clocks")) + goto found; + + of_node_put(clkspec.np); + i++; + } + + return 0; + +found: + clk = of_clk_get_from_provider(&clkspec); + of_node_put(clkspec.np); + + if (IS_ERR(clk)) + return PTR_ERR(clk); + + error = pm_clk_create(dev); + if (error) { + dev_err(dev, "pm_clk_create failed %d\n", error); + goto fail_put; + } + + error = pm_clk_add_clk(dev, clk); + if (error) { + dev_err(dev, "pm_clk_add_clk %pC failed %d\n", clk, error); + goto fail_destroy; + } + + return 0; + +fail_destroy: + pm_clk_destroy(dev); +fail_put: + clk_put(clk); + return error; +} + +void cpg_mstp_detach_dev(struct generic_pm_domain *domain, struct device *dev) +{ + if (!list_empty(&dev->power.subsys_data->clock_list)) + pm_clk_destroy(dev); +} + +void __init cpg_mstp_add_clk_domain(struct device_node *np) +{ + struct generic_pm_domain *pd; + u32 ncells; + + if (of_property_read_u32(np, "#power-domain-cells", &ncells)) { + pr_warn("%s lacks #power-domain-cells\n", np->full_name); + return; + } + + pd = kzalloc(sizeof(*pd), GFP_KERNEL); + if (!pd) + return; + + pd->name = np->name; + + pd->flags = GENPD_FLAG_PM_CLK; + pm_genpd_init(pd, &simple_qos_governor, false); + pd->attach_dev = cpg_mstp_attach_dev; + pd->detach_dev = cpg_mstp_detach_dev; + + of_genpd_add_provider_simple(np, pd); +} +#endif /* !CONFIG_PM_GENERIC_DOMAINS_OF */ diff --git a/drivers/clk/shmobile/clk-r8a7778.c b/drivers/clk/shmobile/clk-r8a7778.c index e97e28fcfc13..87c1d2f2fb57 100644 --- a/drivers/clk/shmobile/clk-r8a7778.c +++ b/drivers/clk/shmobile/clk-r8a7778.c @@ -124,6 +124,8 @@ static void __init r8a7778_cpg_clocks_init(struct device_node *np) } of_clk_add_provider(np, of_clk_src_onecell_get, &cpg->data); + + cpg_mstp_add_clk_domain(np); } CLK_OF_DECLARE(r8a7778_cpg_clks, "renesas,r8a7778-cpg-clocks", diff --git a/drivers/clk/shmobile/clk-r8a7779.c b/drivers/clk/shmobile/clk-r8a7779.c index af297963489f..92275c5f2c60 100644 --- a/drivers/clk/shmobile/clk-r8a7779.c +++ b/drivers/clk/shmobile/clk-r8a7779.c @@ -168,6 +168,8 @@ static void __init r8a7779_cpg_clocks_init(struct device_node *np) } of_clk_add_provider(np, of_clk_src_onecell_get, &cpg->data); + + cpg_mstp_add_clk_domain(np); } CLK_OF_DECLARE(r8a7779_cpg_clks, "renesas,r8a7779-cpg-clocks", r8a7779_cpg_clocks_init); diff --git a/drivers/clk/shmobile/clk-rcar-gen2.c b/drivers/clk/shmobile/clk-rcar-gen2.c index 9233ebf8cc49..745496f7ee9c 100644 --- a/drivers/clk/shmobile/clk-rcar-gen2.c +++ b/drivers/clk/shmobile/clk-rcar-gen2.c @@ -415,6 +415,8 @@ static void __init rcar_gen2_cpg_clocks_init(struct device_node *np) } of_clk_add_provider(np, of_clk_src_onecell_get, &cpg->data); + + cpg_mstp_add_clk_domain(np); } CLK_OF_DECLARE(rcar_gen2_cpg_clks, "renesas,rcar-gen2-cpg-clocks", rcar_gen2_cpg_clocks_init); diff --git a/drivers/clk/shmobile/clk-rz.c b/drivers/clk/shmobile/clk-rz.c index 7e68e8630962..9766e3cb595f 100644 --- a/drivers/clk/shmobile/clk-rz.c +++ b/drivers/clk/shmobile/clk-rz.c @@ -10,6 +10,7 @@ */ #include <linux/clk-provider.h> +#include <linux/clk/shmobile.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/of.h> @@ -99,5 +100,7 @@ static void __init rz_cpg_clocks_init(struct device_node *np) } of_clk_add_provider(np, of_clk_src_onecell_get, &cpg->data); + + cpg_mstp_add_clk_domain(np); } CLK_OF_DECLARE(rz_cpg_clks, "renesas,rz-cpg-clocks", rz_cpg_clocks_init); diff --git a/drivers/clk/ti/Makefile b/drivers/clk/ti/Makefile index 9b93e6904359..d4ac96087ccd 100644 --- a/drivers/clk/ti/Makefile +++ b/drivers/clk/ti/Makefile @@ -3,7 +3,7 @@ clk-common = dpll.o composite.o divider.o gate.o \ fixed-factor.o mux.o apll.o \ clkt_dpll.o clkt_iclk.o clkt_dflt.o obj-$(CONFIG_SOC_AM33XX) += $(clk-common) clk-33xx.o dpll3xxx.o -obj-$(CONFIG_SOC_TI81XX) += $(clk-common) fapll.o clk-816x.o +obj-$(CONFIG_SOC_TI81XX) += $(clk-common) fapll.o clk-814x.o clk-816x.o obj-$(CONFIG_ARCH_OMAP2) += $(clk-common) interface.o clk-2xxx.o obj-$(CONFIG_ARCH_OMAP3) += $(clk-common) interface.o \ clk-3xxx.o dpll3xxx.o diff --git a/drivers/clk/ti/clk-43xx.c b/drivers/clk/ti/clk-43xx.c index 72411fbcb6f3..097fc90bf19a 100644 --- a/drivers/clk/ti/clk-43xx.c +++ b/drivers/clk/ti/clk-43xx.c @@ -74,6 +74,7 @@ static struct ti_dt_clk am43xx_clks[] = { DT_CLK(NULL, "clk_24mhz", "clk_24mhz"), DT_CLK(NULL, "cpsw_125mhz_gclk", "cpsw_125mhz_gclk"), DT_CLK(NULL, "cpsw_cpts_rft_clk", "cpsw_cpts_rft_clk"), + DT_CLK(NULL, "dpll_clksel_mac_clk", "dpll_clksel_mac_clk"), DT_CLK(NULL, "gpio0_dbclk_mux_ck", "gpio0_dbclk_mux_ck"), DT_CLK(NULL, "gpio0_dbclk", "gpio0_dbclk"), DT_CLK(NULL, "gpio1_dbclk", "gpio1_dbclk"), diff --git a/drivers/clk/ti/clk-814x.c b/drivers/clk/ti/clk-814x.c new file mode 100644 index 000000000000..e172920798ea --- /dev/null +++ b/drivers/clk/ti/clk-814x.c @@ -0,0 +1,33 @@ +/* + * 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. + */ + +#include <linux/kernel.h> +#include <linux/clk-provider.h> +#include <linux/clk/ti.h> + +#include "clock.h" + +static struct ti_dt_clk dm814_clks[] = { + DT_CLK(NULL, "devosc_ck", "devosc_ck"), + DT_CLK(NULL, "mpu_ck", "mpu_ck"), + DT_CLK(NULL, "sysclk4_ck", "sysclk4_ck"), + DT_CLK(NULL, "sysclk6_ck", "sysclk6_ck"), + DT_CLK(NULL, "sysclk10_ck", "sysclk10_ck"), + DT_CLK(NULL, "sysclk18_ck", "sysclk18_ck"), + DT_CLK(NULL, "timer_sys_ck", "devosc_ck"), + DT_CLK(NULL, "cpsw_125mhz_gclk", "cpsw_125mhz_gclk"), + DT_CLK(NULL, "cpsw_cpts_rft_clk", "cpsw_cpts_rft_clk"), + { .node_name = NULL }, +}; + +int __init dm814x_dt_clk_init(void) +{ + ti_dt_clocks_register(dm814_clks); + omap2_clk_disable_autoidle_all(); + omap2_clk_enable_init_clocks(NULL, 0); + + return 0; +} diff --git a/drivers/clk/ti/clk-816x.c b/drivers/clk/ti/clk-816x.c index c69352b24dba..1dfad0c712cd 100644 --- a/drivers/clk/ti/clk-816x.c +++ b/drivers/clk/ti/clk-816x.c @@ -44,7 +44,7 @@ static const char *enable_init_clks[] = { "ddr_pll_clk3", }; -int __init ti81xx_dt_clk_init(void) +int __init dm816x_dt_clk_init(void) { ti_dt_clocks_register(dm816x_clks); omap2_clk_disable_autoidle_all(); diff --git a/drivers/clk/zynq/Makefile b/drivers/clk/zynq/Makefile index 156d923f4fa9..0afc2e7cc5c1 100644 --- a/drivers/clk/zynq/Makefile +++ b/drivers/clk/zynq/Makefile @@ -1,3 +1,3 @@ # Zynq clock specific Makefile -obj-$(CONFIG_ARCH_ZYNQ) += clkc.o pll.o +obj-y += clkc.o pll.o |