diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/clk/Makefile | 1 | ||||
-rw-r--r-- | drivers/clk/shmobile/Makefile | 7 | ||||
-rw-r--r-- | drivers/clk/shmobile/clk-div6.c | 185 | ||||
-rw-r--r-- | drivers/clk/shmobile/clk-mstp.c | 229 | ||||
-rw-r--r-- | drivers/clk/shmobile/clk-rcar-gen2.c | 298 | ||||
-rw-r--r-- | drivers/clocksource/exynos_mct.c | 4 | ||||
-rw-r--r-- | drivers/clocksource/nomadik-mtu.c | 23 | ||||
-rw-r--r-- | drivers/dma/ste_dma40.c | 4 | ||||
-rw-r--r-- | drivers/pinctrl/pinctrl-nomadik.c | 296 | ||||
-rw-r--r-- | drivers/pinctrl/pinctrl-nomadik.h | 14 |
10 files changed, 982 insertions, 79 deletions
diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile index ace7309c4369..a3b7c5dd3c16 100644 --- a/drivers/clk/Makefile +++ b/drivers/clk/Makefile @@ -36,6 +36,7 @@ obj-$(CONFIG_PLAT_SAMSUNG) += samsung/ obj-$(CONFIG_COMMON_CLK_XGENE) += clk-xgene.o obj-$(CONFIG_COMMON_CLK_KEYSTONE) += keystone/ obj-$(CONFIG_COMMON_CLK_AT91) += at91/ +obj-$(CONFIG_ARCH_SHMOBILE_MULTI) += shmobile/ obj-$(CONFIG_X86) += x86/ diff --git a/drivers/clk/shmobile/Makefile b/drivers/clk/shmobile/Makefile new file mode 100644 index 000000000000..706adc6ae70c --- /dev/null +++ b/drivers/clk/shmobile/Makefile @@ -0,0 +1,7 @@ +obj-$(CONFIG_ARCH_R8A7790) += clk-rcar-gen2.o +obj-$(CONFIG_ARCH_R8A7791) += clk-rcar-gen2.o +obj-$(CONFIG_ARCH_SHMOBILE_MULTI) += clk-div6.o +obj-$(CONFIG_ARCH_SHMOBILE_MULTI) += clk-mstp.o + +# for emply built-in.o +obj-n := dummy diff --git a/drivers/clk/shmobile/clk-div6.c b/drivers/clk/shmobile/clk-div6.c new file mode 100644 index 000000000000..aac4756ec52e --- /dev/null +++ b/drivers/clk/shmobile/clk-div6.c @@ -0,0 +1,185 @@ +/* + * 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> +#include <linux/clkdev.h> +#include <linux/init.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/of_address.h> + +#define CPG_DIV6_CKSTP BIT(8) +#define CPG_DIV6_DIV(d) ((d) & 0x3f) +#define CPG_DIV6_DIV_MASK 0x3f + +/** + * struct div6_clock - MSTP gating clock + * @hw: handle between common and hardware-specific interfaces + * @reg: IO-remapped register + * @div: divisor value (1-64) + */ +struct div6_clock { + struct clk_hw hw; + void __iomem *reg; + unsigned int div; +}; + +#define to_div6_clock(_hw) container_of(_hw, struct div6_clock, hw) + +static int cpg_div6_clock_enable(struct clk_hw *hw) +{ + struct div6_clock *clock = to_div6_clock(hw); + + clk_writel(CPG_DIV6_DIV(clock->div - 1), clock->reg); + + return 0; +} + +static void cpg_div6_clock_disable(struct clk_hw *hw) +{ + struct div6_clock *clock = to_div6_clock(hw); + + /* DIV6 clocks require the divisor field to be non-zero when stopping + * the clock. + */ + clk_writel(CPG_DIV6_CKSTP | CPG_DIV6_DIV(CPG_DIV6_DIV_MASK), + clock->reg); +} + +static int cpg_div6_clock_is_enabled(struct clk_hw *hw) +{ + struct div6_clock *clock = to_div6_clock(hw); + + return !(clk_readl(clock->reg) & CPG_DIV6_CKSTP); +} + +static unsigned long cpg_div6_clock_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct div6_clock *clock = to_div6_clock(hw); + unsigned int div = (clk_readl(clock->reg) & CPG_DIV6_DIV_MASK) + 1; + + return parent_rate / div; +} + +static unsigned int cpg_div6_clock_calc_div(unsigned long rate, + unsigned long parent_rate) +{ + unsigned int div; + + div = DIV_ROUND_CLOSEST(parent_rate, rate); + return clamp_t(unsigned int, div, 1, 64); +} + +static long cpg_div6_clock_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + unsigned int div = cpg_div6_clock_calc_div(rate, *parent_rate); + + return *parent_rate / div; +} + +static int cpg_div6_clock_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct div6_clock *clock = to_div6_clock(hw); + unsigned int div = cpg_div6_clock_calc_div(rate, parent_rate); + + clock->div = div; + + /* Only program the new divisor if the clock isn't stopped. */ + if (!(clk_readl(clock->reg) & CPG_DIV6_CKSTP)) + clk_writel(CPG_DIV6_DIV(clock->div - 1), clock->reg); + + return 0; +} + +static const struct clk_ops cpg_div6_clock_ops = { + .enable = cpg_div6_clock_enable, + .disable = cpg_div6_clock_disable, + .is_enabled = cpg_div6_clock_is_enabled, + .recalc_rate = cpg_div6_clock_recalc_rate, + .round_rate = cpg_div6_clock_round_rate, + .set_rate = cpg_div6_clock_set_rate, +}; + +static void __init cpg_div6_clock_init(struct device_node *np) +{ + struct clk_init_data init; + struct div6_clock *clock; + const char *parent_name; + const char *name; + struct clk *clk; + int ret; + + clock = kzalloc(sizeof(*clock), GFP_KERNEL); + if (!clock) { + pr_err("%s: failed to allocate %s DIV6 clock\n", + __func__, np->name); + return; + } + + /* Remap the clock register and read the divisor. Disabling the + * clock overwrites the divisor, so we need to cache its value for the + * enable operation. + */ + clock->reg = of_iomap(np, 0); + if (clock->reg == NULL) { + pr_err("%s: failed to map %s DIV6 clock register\n", + __func__, np->name); + goto error; + } + + clock->div = (clk_readl(clock->reg) & CPG_DIV6_DIV_MASK) + 1; + + /* Parse the DT properties. */ + ret = of_property_read_string(np, "clock-output-names", &name); + if (ret < 0) { + pr_err("%s: failed to get %s DIV6 clock output name\n", + __func__, np->name); + goto error; + } + + parent_name = of_clk_get_parent_name(np, 0); + if (parent_name == NULL) { + pr_err("%s: failed to get %s DIV6 clock parent name\n", + __func__, np->name); + goto error; + } + + /* Register the clock. */ + init.name = name; + init.ops = &cpg_div6_clock_ops; + init.flags = CLK_IS_BASIC; + init.parent_names = &parent_name; + init.num_parents = 1; + + clock->hw.init = &init; + + clk = clk_register(NULL, &clock->hw); + if (IS_ERR(clk)) { + pr_err("%s: failed to register %s DIV6 clock (%ld)\n", + __func__, np->name, PTR_ERR(clk)); + goto error; + } + + of_clk_add_provider(np, of_clk_src_simple_get, clk); + + return; + +error: + if (clock->reg) + iounmap(clock->reg); + kfree(clock); +} +CLK_OF_DECLARE(cpg_div6_clk, "renesas,cpg-div6-clock", cpg_div6_clock_init); diff --git a/drivers/clk/shmobile/clk-mstp.c b/drivers/clk/shmobile/clk-mstp.c new file mode 100644 index 000000000000..e576b60de20e --- /dev/null +++ b/drivers/clk/shmobile/clk-mstp.c @@ -0,0 +1,229 @@ +/* + * R-Car MSTP 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> +#include <linux/clkdev.h> +#include <linux/io.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/spinlock.h> + +/* + * MSTP clocks. We can't use standard gate clocks as we need to poll on the + * status register when enabling the clock. + */ + +#define MSTP_MAX_CLOCKS 32 + +/** + * struct mstp_clock_group - MSTP gating clocks group + * + * @data: clocks in this group + * @smstpcr: module stop control register + * @mstpsr: module stop status register (optional) + * @lock: protects writes to SMSTPCR + */ +struct mstp_clock_group { + struct clk_onecell_data data; + void __iomem *smstpcr; + void __iomem *mstpsr; + spinlock_t lock; +}; + +/** + * struct mstp_clock - MSTP gating clock + * @hw: handle between common and hardware-specific interfaces + * @bit_index: control bit index + * @group: MSTP clocks group + */ +struct mstp_clock { + struct clk_hw hw; + u32 bit_index; + struct mstp_clock_group *group; +}; + +#define to_mstp_clock(_hw) container_of(_hw, struct mstp_clock, hw) + +static int cpg_mstp_clock_endisable(struct clk_hw *hw, bool enable) +{ + struct mstp_clock *clock = to_mstp_clock(hw); + struct mstp_clock_group *group = clock->group; + u32 bitmask = BIT(clock->bit_index); + unsigned long flags; + unsigned int i; + u32 value; + + spin_lock_irqsave(&group->lock, flags); + + value = clk_readl(group->smstpcr); + if (enable) + value &= ~bitmask; + else + value |= bitmask; + clk_writel(value, group->smstpcr); + + spin_unlock_irqrestore(&group->lock, flags); + + if (!enable || !group->mstpsr) + return 0; + + for (i = 1000; i > 0; --i) { + if (!(clk_readl(group->mstpsr) & bitmask)) + break; + cpu_relax(); + } + + if (!i) { + pr_err("%s: failed to enable %p[%d]\n", __func__, + group->smstpcr, clock->bit_index); + return -ETIMEDOUT; + } + + return 0; +} + +static int cpg_mstp_clock_enable(struct clk_hw *hw) +{ + return cpg_mstp_clock_endisable(hw, true); +} + +static void cpg_mstp_clock_disable(struct clk_hw *hw) +{ + cpg_mstp_clock_endisable(hw, false); +} + +static int cpg_mstp_clock_is_enabled(struct clk_hw *hw) +{ + struct mstp_clock *clock = to_mstp_clock(hw); + struct mstp_clock_group *group = clock->group; + u32 value; + + if (group->mstpsr) + value = clk_readl(group->mstpsr); + else + value = clk_readl(group->smstpcr); + + return !!(value & BIT(clock->bit_index)); +} + +static const struct clk_ops cpg_mstp_clock_ops = { + .enable = cpg_mstp_clock_enable, + .disable = cpg_mstp_clock_disable, + .is_enabled = cpg_mstp_clock_is_enabled, +}; + +static struct clk * __init +cpg_mstp_clock_register(const char *name, const char *parent_name, + unsigned int index, struct mstp_clock_group *group) +{ + struct clk_init_data init; + struct mstp_clock *clock; + struct clk *clk; + + clock = kzalloc(sizeof(*clock), GFP_KERNEL); + if (!clock) { + pr_err("%s: failed to allocate MSTP clock.\n", __func__); + return ERR_PTR(-ENOMEM); + } + + init.name = name; + init.ops = &cpg_mstp_clock_ops; + init.flags = CLK_IS_BASIC; + init.parent_names = &parent_name; + init.num_parents = 1; + + clock->bit_index = index; + clock->group = group; + clock->hw.init = &init; + + clk = clk_register(NULL, &clock->hw); + + if (IS_ERR(clk)) + kfree(clock); + + return clk; +} + +static void __init cpg_mstp_clocks_init(struct device_node *np) +{ + struct mstp_clock_group *group; + struct clk **clks; + unsigned int i; + + group = kzalloc(sizeof(*group), GFP_KERNEL); + clks = kzalloc(MSTP_MAX_CLOCKS * sizeof(*clks), GFP_KERNEL); + if (group == NULL || clks == NULL) { + kfree(group); + kfree(clks); + pr_err("%s: failed to allocate group\n", __func__); + return; + } + + spin_lock_init(&group->lock); + group->data.clks = clks; + + group->smstpcr = of_iomap(np, 0); + group->mstpsr = of_iomap(np, 1); + + if (group->smstpcr == NULL) { + pr_err("%s: failed to remap SMSTPCR\n", __func__); + kfree(group); + kfree(clks); + return; + } + + for (i = 0; i < MSTP_MAX_CLOCKS; ++i) { + const char *parent_name; + const char *name; + u32 clkidx; + int ret; + + /* Skip clocks with no name. */ + ret = of_property_read_string_index(np, "clock-output-names", + i, &name); + if (ret < 0 || strlen(name) == 0) + continue; + + parent_name = of_clk_get_parent_name(np, i); + ret = of_property_read_u32_index(np, "renesas,clock-indices", i, + &clkidx); + if (parent_name == NULL || ret < 0) + break; + + if (clkidx >= MSTP_MAX_CLOCKS) { + pr_err("%s: invalid clock %s %s index %u)\n", + __func__, np->name, name, clkidx); + continue; + } + + clks[clkidx] = cpg_mstp_clock_register(name, parent_name, i, + group); + if (!IS_ERR(clks[clkidx])) { + group->data.clk_num = max(group->data.clk_num, clkidx); + /* + * Register a clkdev to let board code retrieve the + * clock by name and register aliases for non-DT + * devices. + * + * FIXME: Remove this when all devices that require a + * clock will be instantiated from DT. + */ + 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])); + } + } + + 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); diff --git a/drivers/clk/shmobile/clk-rcar-gen2.c b/drivers/clk/shmobile/clk-rcar-gen2.c new file mode 100644 index 000000000000..a59ec217a124 --- /dev/null +++ b/drivers/clk/shmobile/clk-rcar-gen2.c @@ -0,0 +1,298 @@ +/* + * 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> +#include <linux/clkdev.h> +#include <linux/clk/shmobile.h> +#include <linux/init.h> +#include <linux/kernel.h> +#include <linux/math64.h> +#include <linux/of.h> +#include <linux/of_address.h> +#include <linux/spinlock.h> + +struct rcar_gen2_cpg { + struct clk_onecell_data data; + spinlock_t lock; + void __iomem *reg; +}; + +#define CPG_SDCKCR 0x00000074 +#define CPG_PLL0CR 0x000000d8 +#define CPG_FRQCRC 0x000000e0 +#define CPG_FRQCRC_ZFC_MASK (0x1f << 8) +#define CPG_FRQCRC_ZFC_SHIFT 8 + +/* ----------------------------------------------------------------------------- + * Z Clock + * + * Traits of this clock: + * prepare - clk_prepare only ensures that parents are prepared + * enable - clk_enable only ensures that parents are enabled + * rate - rate is adjustable. clk->rate = parent->rate * mult / 32 + * parent - fixed parent. No clk_set_parent support + */ + +struct cpg_z_clk { + struct clk_hw hw; + void __iomem *reg; +}; + +#define to_z_clk(_hw) container_of(_hw, struct cpg_z_clk, hw) + +static unsigned long cpg_z_clk_recalc_rate(struct clk_hw *hw, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult; + unsigned int val; + + val = (clk_readl(zclk->reg) & CPG_FRQCRC_ZFC_MASK) + >> CPG_FRQCRC_ZFC_SHIFT; + mult = 32 - val; + + return div_u64((u64)parent_rate * mult, 32); +} + +static long cpg_z_clk_round_rate(struct clk_hw *hw, unsigned long rate, + unsigned long *parent_rate) +{ + unsigned long prate = *parent_rate; + unsigned int mult; + + if (!prate) + prate = 1; + + mult = div_u64((u64)rate * 32, prate); + mult = clamp(mult, 1U, 32U); + + return *parent_rate / 32 * mult; +} + +static int cpg_z_clk_set_rate(struct clk_hw *hw, unsigned long rate, + unsigned long parent_rate) +{ + struct cpg_z_clk *zclk = to_z_clk(hw); + unsigned int mult; + u32 val; + + mult = div_u64((u64)rate * 32, parent_rate); + mult = clamp(mult, 1U, 32U); + + val = clk_readl(zclk->reg); + val &= ~CPG_FRQCRC_ZFC_MASK; + val |= (32 - mult) << CPG_FRQCRC_ZFC_SHIFT; + clk_writel(val, zclk->reg); + + return 0; +} + +static const struct clk_ops cpg_z_clk_ops = { + .recalc_rate = cpg_z_clk_recalc_rate, + .round_rate = cpg_z_clk_round_rate, + .set_rate = cpg_z_clk_set_rate, +}; + +static struct clk * __init cpg_z_clk_register(struct rcar_gen2_cpg *cpg) +{ + static const char *parent_name = "pll0"; + struct clk_init_data init; + struct cpg_z_clk *zclk; + struct clk *clk; + + zclk = kzalloc(sizeof(*zclk), GFP_KERNEL); + if (!zclk) + return ERR_PTR(-ENOMEM); + + init.name = "z"; + init.ops = &cpg_z_clk_ops; + init.flags = 0; + init.parent_names = &parent_name; + init.num_parents = 1; + + zclk->reg = cpg->reg + CPG_FRQCRC; + zclk->hw.init = &init; + + clk = clk_register(NULL, &zclk->hw); + if (IS_ERR(clk)) + kfree(zclk); + + return clk; +} + +/* ----------------------------------------------------------------------------- + * CPG Clock Data + */ + +/* + * MD EXTAL PLL0 PLL1 PLL3 + * 14 13 19 (MHz) *1 *1 + *--------------------------------------------------- + * 0 0 0 15 x 1 x172/2 x208/2 x106 + * 0 0 1 15 x 1 x172/2 x208/2 x88 + * 0 1 0 20 x 1 x130/2 x156/2 x80 + * 0 1 1 20 x 1 x130/2 x156/2 x66 + * 1 0 0 26 / 2 x200/2 x240/2 x122 + * 1 0 1 26 / 2 x200/2 x240/2 x102 + * 1 1 0 30 / 2 x172/2 x208/2 x106 + * 1 1 1 30 / 2 x172/2 x208/2 x88 + * + * *1 : Table 7.6 indicates VCO ouput (PLLx = VCO/2) + */ +#define CPG_PLL_CONFIG_INDEX(md) ((((md) & BIT(14)) >> 12) | \ + (((md) & BIT(13)) >> 12) | \ + (((md) & BIT(19)) >> 19)) +struct cpg_pll_config { + unsigned int extal_div; + unsigned int pll1_mult; + unsigned int pll3_mult; +}; + +static const struct cpg_pll_config cpg_pll_configs[8] __initconst = { + { 1, 208, 106 }, { 1, 208, 88 }, { 1, 156, 80 }, { 1, 156, 66 }, + { 2, 240, 122 }, { 2, 240, 102 }, { 2, 208, 106 }, { 2, 208, 88 }, +}; + +/* SDHI divisors */ +static const struct clk_div_table cpg_sdh_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_sd01_div_table[] = { + { 5, 12 }, { 6, 16 }, { 7, 18 }, { 8, 24 }, + { 10, 36 }, { 11, 48 }, { 12, 10 }, { 0, 0 }, +}; + +/* ----------------------------------------------------------------------------- + * Initialization + */ + +static u32 cpg_mode __initdata; + +static struct clk * __init +rcar_gen2_cpg_register_clock(struct device_node *np, struct rcar_gen2_cpg *cpg, + const struct cpg_pll_config *config, + const char *name) +{ + const struct clk_div_table *table = NULL; + const char *parent_name = "main"; + unsigned int shift; + unsigned int mult = 1; + unsigned int div = 1; + + if (!strcmp(name, "main")) { + parent_name = of_clk_get_parent_name(np, 0); + div = config->extal_div; + } else if (!strcmp(name, "pll0")) { + /* PLL0 is a configurable multiplier clock. Register it as a + * fixed factor clock for now as there's no generic multiplier + * clock implementation and we currently have no need to change + * the multiplier value. + */ + u32 value = clk_readl(cpg->reg + CPG_PLL0CR); + mult = ((value >> 24) & ((1 << 7) - 1)) + 1; + } else if (!strcmp(name, "pll1")) { + mult = config->pll1_mult / 2; + } else if (!strcmp(name, "pll3")) { + mult = config->pll3_mult; + } else if (!strcmp(name, "lb")) { + div = cpg_mode & BIT(18) ? 36 : 24; + } else if (!strcmp(name, "qspi")) { + div = (cpg_mode & (BIT(3) | BIT(2) | BIT(1))) == BIT(2) + ? 16 : 20; + } else if (!strcmp(name, "sdh")) { + table = cpg_sdh_div_table; + shift = 8; + } else if (!strcmp(name, "sd0")) { + table = cpg_sd01_div_table; + shift = 4; + } else if (!strcmp(name, "sd1")) { + table = cpg_sd01_div_table; + shift = 0; + } else if (!strcmp(name, "z")) { + return cpg_z_clk_register(cpg); + } else { + return ERR_PTR(-EINVAL); + } + + if (!table) + return clk_register_fixed_factor(NULL, name, parent_name, 0, + mult, div); + else + return clk_register_divider_table(NULL, name, parent_name, 0, + cpg->reg + CPG_SDCKCR, shift, + 4, 0, table, &cpg->lock); +} + +static void __init rcar_gen2_cpg_clocks_init(struct device_node *np) +{ + const struct cpg_pll_config *config; + struct rcar_gen2_cpg *cpg; + struct clk **clks; + unsigned int i; + int num_clks; + + num_clks = of_property_count_strings(np, "clock-output-names"); + if (num_clks < 0) { + pr_err("%s: failed to count clocks\n", __func__); + return; + } + + cpg = kzalloc(sizeof(*cpg), GFP_KERNEL); + clks = kzalloc(num_clks * sizeof(*clks), GFP_KERNEL); + if (cpg == NULL || clks == NULL) { + /* We're leaking memory on purpose, there's no point in cleaning + * up as the system won't boot anyway. + */ + pr_err("%s: failed to allocate cpg\n", __func__); + return; + } + + spin_lock_init(&cpg->lock); + + cpg->data.clks = clks; + cpg->data.clk_num = num_clks; + + cpg->reg = of_iomap(np, 0); + if (WARN_ON(cpg->reg == NULL)) + return; + + config = &cpg_pll_configs[CPG_PLL_CONFIG_INDEX(cpg_mode)]; + + for (i = 0; i < num_clks; ++i) { + const char *name; + struct clk *clk; + + of_property_read_string_index(np, "clock-output-names", i, + &name); + + 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)); + else + cpg->data.clks[i] = clk; + } + + of_clk_add_provider(np, of_clk_src_onecell_get, &cpg->data); +} +CLK_OF_DECLARE(rcar_gen2_cpg_clks, "renesas,rcar-gen2-cpg-clocks", + rcar_gen2_cpg_clocks_init); + +void __init rcar_gen2_clocks_init(u32 mode) +{ + cpg_mode = mode; + + of_clk_init(NULL); +} diff --git a/drivers/clocksource/exynos_mct.c b/drivers/clocksource/exynos_mct.c index 62b0de6a1837..48f76bc05da0 100644 --- a/drivers/clocksource/exynos_mct.c +++ b/drivers/clocksource/exynos_mct.c @@ -71,6 +71,10 @@ enum { MCT_L1_IRQ, MCT_L2_IRQ, MCT_L3_IRQ, + MCT_L4_IRQ, + MCT_L5_IRQ, + MCT_L6_IRQ, + MCT_L7_IRQ, MCT_NR_IRQS, }; diff --git a/drivers/clocksource/nomadik-mtu.c b/drivers/clocksource/nomadik-mtu.c index 152a3f3875ee..a709cfa49d85 100644 --- a/drivers/clocksource/nomadik-mtu.c +++ b/drivers/clocksource/nomadik-mtu.c @@ -20,7 +20,6 @@ #include <linux/jiffies.h> #include <linux/delay.h> #include <linux/err.h> -#include <linux/platform_data/clocksource-nomadik-mtu.h> #include <linux/sched_clock.h> #include <asm/mach/time.h> @@ -103,7 +102,7 @@ static int nmdk_clkevt_next(unsigned long evt, struct clock_event_device *ev) return 0; } -void nmdk_clkevt_reset(void) +static void nmdk_clkevt_reset(void) { if (clkevt_periodic) { /* Timer: configure load and background-load, and fire it up */ @@ -144,7 +143,7 @@ static void nmdk_clkevt_mode(enum clock_event_mode mode, } } -void nmdk_clksrc_reset(void) +static void nmdk_clksrc_reset(void) { /* Disable */ writel(0, mtu_base + MTU_CR(0)); @@ -192,8 +191,8 @@ static struct irqaction nmdk_timer_irq = { .dev_id = &nmdk_clkevt, }; -static void __init __nmdk_timer_init(void __iomem *base, int irq, - struct clk *pclk, struct clk *clk) +static void __init nmdk_timer_init(void __iomem *base, int irq, + struct clk *pclk, struct clk *clk) { unsigned long rate; @@ -245,18 +244,6 @@ static void __init __nmdk_timer_init(void __iomem *base, int irq, register_current_timer_delay(&mtu_delay_timer); } -void __init nmdk_timer_init(void __iomem *base, int irq) -{ - struct clk *clk0, *pclk0; - - pclk0 = clk_get_sys("mtu0", "apb_pclk"); - BUG_ON(IS_ERR(pclk0)); - clk0 = clk_get_sys("mtu0", NULL); - BUG_ON(IS_ERR(clk0)); - - __nmdk_timer_init(base, irq, pclk0, clk0); -} - static void __init nmdk_timer_of_init(struct device_node *node) { struct clk *pclk; @@ -280,7 +267,7 @@ static void __init nmdk_timer_of_init(struct device_node *node) if (irq <= 0) panic("Can't parse IRQ"); - __nmdk_timer_init(base, irq, pclk, clk); + nmdk_timer_init(base, irq, pclk, clk); } CLOCKSOURCE_OF_DECLARE(nomadik_mtu, "st,nomadik-mtu", nmdk_timer_of_init); diff --git a/drivers/dma/ste_dma40.c b/drivers/dma/ste_dma40.c index b8c031b7de4e..00a2de957b23 100644 --- a/drivers/dma/ste_dma40.c +++ b/drivers/dma/ste_dma40.c @@ -2409,6 +2409,7 @@ static void d40_set_prio_realtime(struct d40_chan *d40c) #define D40_DT_FLAGS_DIR(flags) ((flags >> 1) & 0x1) #define D40_DT_FLAGS_BIG_ENDIAN(flags) ((flags >> 2) & 0x1) #define D40_DT_FLAGS_FIXED_CHAN(flags) ((flags >> 3) & 0x1) +#define D40_DT_FLAGS_HIGH_PRIO(flags) ((flags >> 4) & 0x1) static struct dma_chan *d40_xlate(struct of_phandle_args *dma_spec, struct of_dma *ofdma) @@ -2446,6 +2447,9 @@ static struct dma_chan *d40_xlate(struct of_phandle_args *dma_spec, cfg.use_fixed_channel = true; } + if (D40_DT_FLAGS_HIGH_PRIO(flags)) + cfg.high_priority = true; + return dma_request_channel(cap, stedma40_filter, &cfg); } diff --git a/drivers/pinctrl/pinctrl-nomadik.c b/drivers/pinctrl/pinctrl-nomadik.c index cd2b1a1c9275..53a11114927f 100644 --- a/drivers/pinctrl/pinctrl-nomadik.c +++ b/drivers/pinctrl/pinctrl-nomadik.c @@ -4,7 +4,7 @@ * Copyright (C) 2008,2009 STMicroelectronics * Copyright (C) 2009 Alessandro Rubini <rubini@unipv.it> * Rewritten based on work by Prafulla WADASKAR <prafulla.wadaskar@st.com> - * Copyright (C) 2011 Linus Walleij <linus.walleij@linaro.org> + * Copyright (C) 2011-2013 Linus Walleij <linus.walleij@linaro.org> * * 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 @@ -33,7 +33,6 @@ #include <linux/pinctrl/pinconf.h> /* Since we request GPIOs from ourself */ #include <linux/pinctrl/consumer.h> -#include <linux/platform_data/pinctrl-nomadik.h> #include "pinctrl-nomadik.h" #include "core.h" @@ -45,6 +44,221 @@ * Symbols in this file are called "nmk_gpio" for "nomadik gpio" */ +/* + * pin configurations are represented by 32-bit integers: + * + * bit 0.. 8 - Pin Number (512 Pins Maximum) + * bit 9..10 - Alternate Function Selection + * bit 11..12 - Pull up/down state + * bit 13 - Sleep mode behaviour + * bit 14 - Direction + * bit 15 - Value (if output) + * bit 16..18 - SLPM pull up/down state + * bit 19..20 - SLPM direction + * bit 21..22 - SLPM Value (if output) + * bit 23..25 - PDIS value (if input) + * bit 26 - Gpio mode + * bit 27 - Sleep mode + * + * to facilitate the definition, the following macros are provided + * + * PIN_CFG_DEFAULT - default config (0): + * pull up/down = disabled + * sleep mode = input/wakeup + * direction = input + * value = low + * SLPM direction = same as normal + * SLPM pull = same as normal + * SLPM value = same as normal + * + * PIN_CFG - default config with alternate function + */ + +typedef unsigned long pin_cfg_t; + +#define PIN_NUM_MASK 0x1ff +#define PIN_NUM(x) ((x) & PIN_NUM_MASK) + +#define PIN_ALT_SHIFT 9 +#define PIN_ALT_MASK (0x3 << PIN_ALT_SHIFT) +#define PIN_ALT(x) (((x) & PIN_ALT_MASK) >> PIN_ALT_SHIFT) +#define PIN_GPIO (NMK_GPIO_ALT_GPIO << PIN_ALT_SHIFT) +#define PIN_ALT_A (NMK_GPIO_ALT_A << PIN_ALT_SHIFT) +#define PIN_ALT_B (NMK_GPIO_ALT_B << PIN_ALT_SHIFT) +#define PIN_ALT_C (NMK_GPIO_ALT_C << PIN_ALT_SHIFT) + +#define PIN_PULL_SHIFT 11 +#define PIN_PULL_MASK (0x3 << PIN_PULL_SHIFT) +#define PIN_PULL(x) (((x) & PIN_PULL_MASK) >> PIN_PULL_SHIFT) +#define PIN_PULL_NONE (NMK_GPIO_PULL_NONE << PIN_PULL_SHIFT) +#define PIN_PULL_UP (NMK_GPIO_PULL_UP << PIN_PULL_SHIFT) +#define PIN_PULL_DOWN (NMK_GPIO_PULL_DOWN << PIN_PULL_SHIFT) + +#define PIN_SLPM_SHIFT 13 +#define PIN_SLPM_MASK (0x1 << PIN_SLPM_SHIFT) +#define PIN_SLPM(x) (((x) & PIN_SLPM_MASK) >> PIN_SLPM_SHIFT) +#define PIN_SLPM_MAKE_INPUT (NMK_GPIO_SLPM_INPUT << PIN_SLPM_SHIFT) +#define PIN_SLPM_NOCHANGE (NMK_GPIO_SLPM_NOCHANGE << PIN_SLPM_SHIFT) +/* These two replace the above in DB8500v2+ */ +#define PIN_SLPM_WAKEUP_ENABLE (NMK_GPIO_SLPM_WAKEUP_ENABLE << PIN_SLPM_SHIFT) +#define PIN_SLPM_WAKEUP_DISABLE (NMK_GPIO_SLPM_WAKEUP_DISABLE << PIN_SLPM_SHIFT) +#define PIN_SLPM_USE_MUX_SETTINGS_IN_SLEEP PIN_SLPM_WAKEUP_DISABLE + +#define PIN_SLPM_GPIO PIN_SLPM_WAKEUP_ENABLE /* In SLPM, pin is a gpio */ +#define PIN_SLPM_ALTFUNC PIN_SLPM_WAKEUP_DISABLE /* In SLPM, pin is altfunc */ + +#define PIN_DIR_SHIFT 14 +#define PIN_DIR_MASK (0x1 << PIN_DIR_SHIFT) +#define PIN_DIR(x) (((x) & PIN_DIR_MASK) >> PIN_DIR_SHIFT) +#define PIN_DIR_INPUT (0 << PIN_DIR_SHIFT) +#define PIN_DIR_OUTPUT (1 << PIN_DIR_SHIFT) + +#define PIN_VAL_SHIFT 15 +#define PIN_VAL_MASK (0x1 << PIN_VAL_SHIFT) +#define PIN_VAL(x) (((x) & PIN_VAL_MASK) >> PIN_VAL_SHIFT) +#define PIN_VAL_LOW (0 << PIN_VAL_SHIFT) +#define PIN_VAL_HIGH (1 << PIN_VAL_SHIFT) + +#define PIN_SLPM_PULL_SHIFT 16 +#define PIN_SLPM_PULL_MASK (0x7 << PIN_SLPM_PULL_SHIFT) +#define PIN_SLPM_PULL(x) \ + (((x) & PIN_SLPM_PULL_MASK) >> PIN_SLPM_PULL_SHIFT) +#define PIN_SLPM_PULL_NONE \ + ((1 + NMK_GPIO_PULL_NONE) << PIN_SLPM_PULL_SHIFT) +#define PIN_SLPM_PULL_UP \ + ((1 + NMK_GPIO_PULL_UP) << PIN_SLPM_PULL_SHIFT) +#define PIN_SLPM_PULL_DOWN \ + ((1 + NMK_GPIO_PULL_DOWN) << PIN_SLPM_PULL_SHIFT) + +#define PIN_SLPM_DIR_SHIFT 19 +#define PIN_SLPM_DIR_MASK (0x3 << PIN_SLPM_DIR_SHIFT) +#define PIN_SLPM_DIR(x) \ + (((x) & PIN_SLPM_DIR_MASK) >> PIN_SLPM_DIR_SHIFT) +#define PIN_SLPM_DIR_INPUT ((1 + 0) << PIN_SLPM_DIR_SHIFT) +#define PIN_SLPM_DIR_OUTPUT ((1 + 1) << PIN_SLPM_DIR_SHIFT) + +#define PIN_SLPM_VAL_SHIFT 21 +#define PIN_SLPM_VAL_MASK (0x3 << PIN_SLPM_VAL_SHIFT) +#define PIN_SLPM_VAL(x) \ + (((x) & PIN_SLPM_VAL_MASK) >> PIN_SLPM_VAL_SHIFT) +#define PIN_SLPM_VAL_LOW ((1 + 0) << PIN_SLPM_VAL_SHIFT) +#define PIN_SLPM_VAL_HIGH ((1 + 1) << PIN_SLPM_VAL_SHIFT) + +#define PIN_SLPM_PDIS_SHIFT 23 +#define PIN_SLPM_PDIS_MASK (0x3 << PIN_SLPM_PDIS_SHIFT) +#define PIN_SLPM_PDIS(x) \ + (((x) & PIN_SLPM_PDIS_MASK) >> PIN_SLPM_PDIS_SHIFT) +#define PIN_SLPM_PDIS_NO_CHANGE (0 << PIN_SLPM_PDIS_SHIFT) +#define PIN_SLPM_PDIS_DISABLED (1 << PIN_SLPM_PDIS_SHIFT) +#define PIN_SLPM_PDIS_ENABLED (2 << PIN_SLPM_PDIS_SHIFT) + +#define PIN_LOWEMI_SHIFT 25 +#define PIN_LOWEMI_MASK (0x1 << PIN_LOWEMI_SHIFT) +#define PIN_LOWEMI(x) (((x) & PIN_LOWEMI_MASK) >> PIN_LOWEMI_SHIFT) +#define PIN_LOWEMI_DISABLED (0 << PIN_LOWEMI_SHIFT) +#define PIN_LOWEMI_ENABLED (1 << PIN_LOWEMI_SHIFT) + +#define PIN_GPIOMODE_SHIFT 26 +#define PIN_GPIOMODE_MASK (0x1 << PIN_GPIOMODE_SHIFT) +#define PIN_GPIOMODE(x) (((x) & PIN_GPIOMODE_MASK) >> PIN_GPIOMODE_SHIFT) +#define PIN_GPIOMODE_DISABLED (0 << PIN_GPIOMODE_SHIFT) +#define PIN_GPIOMODE_ENABLED (1 << PIN_GPIOMODE_SHIFT) + +#define PIN_SLEEPMODE_SHIFT 27 +#define PIN_SLEEPMODE_MASK (0x1 << PIN_SLEEPMODE_SHIFT) +#define PIN_SLEEPMODE(x) (((x) & PIN_SLEEPMODE_MASK) >> PIN_SLEEPMODE_SHIFT) +#define PIN_SLEEPMODE_DISABLED (0 << PIN_SLEEPMODE_SHIFT) +#define PIN_SLEEPMODE_ENABLED (1 << PIN_SLEEPMODE_SHIFT) + + +/* Shortcuts. Use these instead of separate DIR, PULL, and VAL. */ +#define PIN_INPUT_PULLDOWN (PIN_DIR_INPUT | PIN_PULL_DOWN) +#define PIN_INPUT_PULLUP (PIN_DIR_INPUT | PIN_PULL_UP) +#define PIN_INPUT_NOPULL (PIN_DIR_INPUT | PIN_PULL_NONE) +#define PIN_OUTPUT_LOW (PIN_DIR_OUTPUT | PIN_VAL_LOW) +#define PIN_OUTPUT_HIGH (PIN_DIR_OUTPUT | PIN_VAL_HIGH) + +#define PIN_SLPM_INPUT_PULLDOWN (PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_DOWN) +#define PIN_SLPM_INPUT_PULLUP (PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_UP) +#define PIN_SLPM_INPUT_NOPULL (PIN_SLPM_DIR_INPUT | PIN_SLPM_PULL_NONE) +#define PIN_SLPM_OUTPUT_LOW (PIN_SLPM_DIR_OUTPUT | PIN_SLPM_VAL_LOW) +#define PIN_SLPM_OUTPUT_HIGH (PIN_SLPM_DIR_OUTPUT | PIN_SLPM_VAL_HIGH) + +#define PIN_CFG_DEFAULT (0) + +#define PIN_CFG(num, alt) \ + (PIN_CFG_DEFAULT |\ + (PIN_NUM(num) | PIN_##alt)) + +#define PIN_CFG_INPUT(num, alt, pull) \ + (PIN_CFG_DEFAULT |\ + (PIN_NUM(num) | PIN_##alt | PIN_INPUT_##pull)) + +#define PIN_CFG_OUTPUT(num, alt, val) \ + (PIN_CFG_DEFAULT |\ + (PIN_NUM(num) | PIN_##alt | PIN_OUTPUT_##val)) + +/* + * "nmk_gpio" and "NMK_GPIO" stand for "Nomadik GPIO", leaving + * the "gpio" namespace for generic and cross-machine functions + */ + +#define GPIO_BLOCK_SHIFT 5 +#define NMK_GPIO_PER_CHIP (1 << GPIO_BLOCK_SHIFT) + +/* Register in the logic block */ +#define NMK_GPIO_DAT 0x00 +#define NMK_GPIO_DATS 0x04 +#define NMK_GPIO_DATC 0x08 +#define NMK_GPIO_PDIS 0x0c +#define NMK_GPIO_DIR 0x10 +#define NMK_GPIO_DIRS 0x14 +#define NMK_GPIO_DIRC 0x18 +#define NMK_GPIO_SLPC 0x1c +#define NMK_GPIO_AFSLA 0x20 +#define NMK_GPIO_AFSLB 0x24 +#define NMK_GPIO_LOWEMI 0x28 + +#define NMK_GPIO_RIMSC 0x40 +#define NMK_GPIO_FIMSC 0x44 +#define NMK_GPIO_IS 0x48 +#define NMK_GPIO_IC 0x4c +#define NMK_GPIO_RWIMSC 0x50 +#define NMK_GPIO_FWIMSC 0x54 +#define NMK_GPIO_WKS 0x58 +/* These appear in DB8540 and later ASICs */ +#define NMK_GPIO_EDGELEVEL 0x5C +#define NMK_GPIO_LEVEL 0x60 + + +/* Pull up/down values */ +enum nmk_gpio_pull { + NMK_GPIO_PULL_NONE, + NMK_GPIO_PULL_UP, + NMK_GPIO_PULL_DOWN, +}; + +/* Sleep mode */ +enum nmk_gpio_slpm { + NMK_GPIO_SLPM_INPUT, + NMK_GPIO_SLPM_WAKEUP_ENABLE = NMK_GPIO_SLPM_INPUT, + NMK_GPIO_SLPM_NOCHANGE, + NMK_GPIO_SLPM_WAKEUP_DISABLE = NMK_GPIO_SLPM_NOCHANGE, +}; + +/* + * Platform data to register a block: only the initial gpio/irq number. + */ +struct nmk_gpio_platform_data { + char *name; + int first_gpio; + int first_irq; + int num_gpio; + u32 (*get_secondary_status)(unsigned int bank); + void (*set_ioforce)(bool enable); + bool supports_sleepmode; +}; + struct nmk_gpio_chip { struct gpio_chip chip; struct irq_domain *domain; @@ -1026,7 +1240,7 @@ static const struct irq_domain_ops nmk_gpio_irq_simple_ops = { static int nmk_gpio_probe(struct platform_device *dev) { - struct nmk_gpio_platform_data *pdata = dev->dev.platform_data; + struct nmk_gpio_platform_data *pdata; struct device_node *np = dev->dev.of_node; struct nmk_gpio_chip *nmk_chip; struct gpio_chip *chip; @@ -1034,32 +1248,24 @@ static int nmk_gpio_probe(struct platform_device *dev) struct clk *clk; int secondary_irq; void __iomem *base; - int irq_start = 0; int irq; int ret; - if (!pdata && !np) { - dev_err(&dev->dev, "No platform data or device tree found\n"); - return -ENODEV; - } - - if (np) { - pdata = devm_kzalloc(&dev->dev, sizeof(*pdata), GFP_KERNEL); - if (!pdata) - return -ENOMEM; - - if (of_get_property(np, "st,supports-sleepmode", NULL)) - pdata->supports_sleepmode = true; + pdata = devm_kzalloc(&dev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return -ENOMEM; - if (of_property_read_u32(np, "gpio-bank", &dev->id)) { - dev_err(&dev->dev, "gpio-bank property not found\n"); - return -EINVAL; - } + if (of_get_property(np, "st,supports-sleepmode", NULL)) + pdata->supports_sleepmode = true; - pdata->first_gpio = dev->id * NMK_GPIO_PER_CHIP; - pdata->num_gpio = NMK_GPIO_PER_CHIP; + if (of_property_read_u32(np, "gpio-bank", &dev->id)) { + dev_err(&dev->dev, "gpio-bank property not found\n"); + return -EINVAL; } + pdata->first_gpio = dev->id * NMK_GPIO_PER_CHIP; + pdata->num_gpio = NMK_GPIO_PER_CHIP; + irq = platform_get_irq(dev, 0); if (irq < 0) return irq; @@ -1107,10 +1313,7 @@ static int nmk_gpio_probe(struct platform_device *dev) clk_enable(nmk_chip->clk); nmk_chip->lowemi = readl_relaxed(nmk_chip->addr + NMK_GPIO_LOWEMI); clk_disable(nmk_chip->clk); - -#ifdef CONFIG_OF_GPIO chip->of_node = np; -#endif ret = gpiochip_add(&nmk_chip->chip); if (ret) @@ -1122,10 +1325,8 @@ static int nmk_gpio_probe(struct platform_device *dev) platform_set_drvdata(dev, nmk_chip); - if (!np) - irq_start = pdata->first_irq; nmk_chip->domain = irq_domain_add_simple(np, - NMK_GPIO_PER_CHIP, irq_start, + NMK_GPIO_PER_CHIP, 0, &nmk_gpio_irq_simple_ops, nmk_chip); if (!nmk_chip->domain) { dev_err(&dev->dev, "failed to create irqdomain\n"); @@ -1858,11 +2059,10 @@ static int nmk_pinctrl_resume(struct platform_device *pdev) static int nmk_pinctrl_probe(struct platform_device *pdev) { - const struct platform_device_id *platid = platform_get_device_id(pdev); + const struct of_device_id *match; struct device_node *np = pdev->dev.of_node; struct device_node *prcm_np; struct nmk_pinctrl *npct; - struct resource *res; unsigned int version = 0; int i; @@ -1870,16 +2070,10 @@ static int nmk_pinctrl_probe(struct platform_device *pdev) if (!npct) return -ENOMEM; - if (platid) - version = platid->driver_data; - else if (np) { - const struct of_device_id *match; - - match = of_match_device(nmk_pinctrl_match, &pdev->dev); - if (!match) - return -ENODEV; - version = (unsigned int) match->data; - } + match = of_match_device(nmk_pinctrl_match, &pdev->dev); + if (!match) + return -ENODEV; + version = (unsigned int) match->data; /* Poke in other ASIC variants here */ if (version == PINCTRL_NMK_STN8815) @@ -1889,17 +2083,9 @@ static int nmk_pinctrl_probe(struct platform_device *pdev) if (version == PINCTRL_NMK_DB8540) nmk_pinctrl_db8540_init(&npct->soc); - if (np) { - prcm_np = of_parse_phandle(np, "prcm", 0); - if (prcm_np) - npct->prcm_base = of_iomap(prcm_np, 0); - } - - /* Allow platform passed information to over-write DT. */ - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (res) - npct->prcm_base = devm_ioremap(&pdev->dev, res->start, - resource_size(res)); + prcm_np = of_parse_phandle(np, "prcm", 0); + if (prcm_np) + npct->prcm_base = of_iomap(prcm_np, 0); if (!npct->prcm_base) { if (version == PINCTRL_NMK_STN8815) { dev_info(&pdev->dev, @@ -1958,13 +2144,6 @@ static struct platform_driver nmk_gpio_driver = { .probe = nmk_gpio_probe, }; -static const struct platform_device_id nmk_pinctrl_id[] = { - { "pinctrl-stn8815", PINCTRL_NMK_STN8815 }, - { "pinctrl-db8500", PINCTRL_NMK_DB8500 }, - { "pinctrl-db8540", PINCTRL_NMK_DB8540 }, - { } -}; - static struct platform_driver nmk_pinctrl_driver = { .driver = { .owner = THIS_MODULE, @@ -1972,7 +2151,6 @@ static struct platform_driver nmk_pinctrl_driver = { .of_match_table = nmk_pinctrl_match, }, .probe = nmk_pinctrl_probe, - .id_table = nmk_pinctrl_id, #ifdef CONFIG_PM .suspend = nmk_pinctrl_suspend, .resume = nmk_pinctrl_resume, diff --git a/drivers/pinctrl/pinctrl-nomadik.h b/drivers/pinctrl/pinctrl-nomadik.h index bcd4191e10ea..d8215f1e70c7 100644 --- a/drivers/pinctrl/pinctrl-nomadik.h +++ b/drivers/pinctrl/pinctrl-nomadik.h @@ -1,13 +1,23 @@ #ifndef PINCTRL_PINCTRL_NOMADIK_H #define PINCTRL_PINCTRL_NOMADIK_H -#include <linux/platform_data/pinctrl-nomadik.h> - /* Package definitions */ #define PINCTRL_NMK_STN8815 0 #define PINCTRL_NMK_DB8500 1 #define PINCTRL_NMK_DB8540 2 +/* Alternate functions: function C is set in hw by setting both A and B */ +#define NMK_GPIO_ALT_GPIO 0 +#define NMK_GPIO_ALT_A 1 +#define NMK_GPIO_ALT_B 2 +#define NMK_GPIO_ALT_C (NMK_GPIO_ALT_A | NMK_GPIO_ALT_B) + +#define NMK_GPIO_ALT_CX_SHIFT 2 +#define NMK_GPIO_ALT_C1 ((1<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) +#define NMK_GPIO_ALT_C2 ((2<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) +#define NMK_GPIO_ALT_C3 ((3<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) +#define NMK_GPIO_ALT_C4 ((4<<NMK_GPIO_ALT_CX_SHIFT) | NMK_GPIO_ALT_C) + #define PRCM_GPIOCR_ALTCX(pin_num,\ altc1_used, altc1_ri, altc1_cb,\ altc2_used, altc2_ri, altc2_cb,\ |