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| author | Linus Walleij <linus.walleij@linaro.org> | 2012-08-10 00:43:40 +0200 |
|---|---|---|
| committer | Linus Walleij <linus.walleij@linaro.org> | 2012-09-03 13:21:37 +0200 |
| commit | 2601ccfeac08ae5e9165ef3942e6d45611de6fd1 (patch) | |
| tree | 092323e611d993e8d9b7eeb7d9669e2da769d011 /arch/arm/mach-nomadik | |
| parent | pinctrl/nomadik: add STn8815 ASIC support (diff) | |
| download | linux-2601ccfeac08ae5e9165ef3942e6d45611de6fd1.tar.xz linux-2601ccfeac08ae5e9165ef3942e6d45611de6fd1.zip | |
ARM: nomadik: configure Nomadik for pin control
This converts the Nomadik to using pin control using the
driver for the STN8815 ASIC.
Acked-by: Stephen Warren <swarren@wwwdotorg.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Diffstat (limited to 'arch/arm/mach-nomadik')
| -rw-r--r-- | arch/arm/mach-nomadik/board-nhk8815.c | 36 | ||||
| -rw-r--r-- | arch/arm/mach-nomadik/cpu-8815.c | 13 |
2 files changed, 49 insertions, 0 deletions
diff --git a/arch/arm/mach-nomadik/board-nhk8815.c b/arch/arm/mach-nomadik/board-nhk8815.c index f4535a7dadf5..66862fb981f9 100644 --- a/arch/arm/mach-nomadik/board-nhk8815.c +++ b/arch/arm/mach-nomadik/board-nhk8815.c @@ -23,6 +23,7 @@ #include <linux/mtd/partitions.h> #include <linux/i2c.h> #include <linux/io.h> +#include <linux/pinctrl/machine.h> #include <asm/hardware/vic.h> #include <asm/sizes.h> #include <asm/mach-types.h> @@ -33,6 +34,7 @@ #include <plat/gpio-nomadik.h> #include <plat/mtu.h> +#include <plat/pincfg.h> #include <mach/nand.h> #include <mach/fsmc.h> @@ -291,8 +293,42 @@ static struct i2c_board_info __initdata nhk8815_i2c2_devices[] = { }, }; +static unsigned long out_low[] = { PIN_OUTPUT_LOW }; +static unsigned long out_high[] = { PIN_OUTPUT_HIGH }; +static unsigned long in_nopull[] = { PIN_INPUT_NOPULL }; +static unsigned long in_pullup[] = { PIN_INPUT_PULLUP }; + +static struct pinctrl_map __initdata nhk8815_pinmap[] = { + PIN_MAP_MUX_GROUP_DEFAULT("uart0", "pinctrl-stn8815", "u0_a_1", "u0"), + PIN_MAP_MUX_GROUP_DEFAULT("uart1", "pinctrl-stn8815", "u1_a_1", "u1"), + /* Hog in MMC/SD card mux */ + PIN_MAP_MUX_GROUP_HOG_DEFAULT("pinctrl-stn8815", "mmcsd_a_1", "mmcsd"), + /* MCCLK */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO8_B10", out_low), + /* MCCMD */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO9_A10", in_pullup), + /* MCCMDDIR */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO10_C11", out_high), + /* MCDAT3-0 */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO11_B11", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO12_A11", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO13_C12", in_pullup), + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO14_B12", in_pullup), + /* MCDAT0DIR */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO15_A12", out_high), + /* MCDAT31DIR */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO16_C13", out_high), + /* MCMSFBCLK */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO24_C15", in_pullup), + /* CD input GPIO */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO111_H21", in_nopull), + /* CD bias drive */ + PIN_MAP_CONFIGS_PIN_HOG_DEFAULT("pinctrl-stn8815", "GPIO112_J21", out_low), +}; + static void __init nhk8815_platform_init(void) { + pinctrl_register_mappings(nhk8815_pinmap, ARRAY_SIZE(nhk8815_pinmap)); cpu8815_platform_init(); nhk8815_onenand_init(); platform_add_devices(nhk8815_platform_devices, diff --git a/arch/arm/mach-nomadik/cpu-8815.c b/arch/arm/mach-nomadik/cpu-8815.c index 6fd8e46567a4..b617eaed0ce5 100644 --- a/arch/arm/mach-nomadik/cpu-8815.c +++ b/arch/arm/mach-nomadik/cpu-8815.c @@ -83,6 +83,18 @@ void cpu8815_add_gpios(resource_size_t *base, int num, int irq, } } +static inline void +cpu8815_add_pinctrl(struct device *parent, const char *name) +{ + struct platform_device_info pdevinfo = { + .parent = parent, + .name = name, + .id = -1, + }; + + platform_device_register_full(&pdevinfo); +} + static int __init cpu8815_init(void) { struct nmk_gpio_platform_data pdata = { @@ -91,6 +103,7 @@ static int __init cpu8815_init(void) cpu8815_add_gpios(cpu8815_gpio_base, ARRAY_SIZE(cpu8815_gpio_base), IRQ_GPIO0, &pdata); + cpu8815_add_pinctrl(NULL, "pinctrl-stn8815"); amba_apb_device_add(NULL, "rng", NOMADIK_RNG_BASE, SZ_4K, 0, 0, NULL, 0); amba_apb_device_add(NULL, "rtc-pl031", NOMADIK_RTC_BASE, SZ_4K, IRQ_RTC_RTT, 0, NULL, 0); return 0; |