diff options
Diffstat (limited to 'arch/arm/mach-mxs/mach-mx28evk.c')
| -rw-r--r-- | arch/arm/mach-mxs/mach-mx28evk.c | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/arch/arm/mach-mxs/mach-mx28evk.c b/arch/arm/mach-mxs/mach-mx28evk.c index 8b3aa7afdae0..e7bff1e2cd2b 100644 --- a/arch/arm/mach-mxs/mach-mx28evk.c +++ b/arch/arm/mach-mxs/mach-mx28evk.c @@ -17,6 +17,9 @@ #include <linux/gpio.h> #include <linux/leds.h> #include <linux/clk.h> +#include <linux/i2c.h> +#include <linux/regulator/machine.h> +#include <linux/regulator/fixed.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -182,6 +185,24 @@ static const iomux_cfg_t mx28evk_pads[] __initconst = { /* led */ MX28_PAD_AUART1_TX__GPIO_3_5 | MXS_PAD_CTRL, + + /* I2C */ + MX28_PAD_I2C0_SCL__I2C0_SCL | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_I2C0_SDA__I2C0_SDA | + (MXS_PAD_8MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + + /* saif0 & saif1 */ + MX28_PAD_SAIF0_MCLK__SAIF0_MCLK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF0_LRCLK__SAIF0_LRCLK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF0_BITCLK__SAIF0_BITCLK | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF0_SDATA0__SAIF0_SDATA0 | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), + MX28_PAD_SAIF1_SDATA0__SAIF1_SDATA0 | + (MXS_PAD_12MA | MXS_PAD_3V3 | MXS_PAD_PULLUP), }; /* led */ @@ -351,6 +372,50 @@ static struct mxs_mmc_platform_data mx28evk_mmc_pdata[] __initdata = { }, }; +static struct i2c_board_info mxs_i2c0_board_info[] __initdata = { + { + I2C_BOARD_INFO("sgtl5000", 0x0a), + }, +}; + +#if defined(CONFIG_REGULATOR_FIXED_VOLTAGE) || defined(CONFIG_REGULATOR_FIXED_VOLTAGE_MODULE) +static struct regulator_consumer_supply mx28evk_audio_consumer_supplies[] = { + REGULATOR_SUPPLY("VDDA", "0-000a"), + REGULATOR_SUPPLY("VDDIO", "0-000a"), +}; + +static struct regulator_init_data mx28evk_vdd_reg_init_data = { + .constraints = { + .name = "3V3", + .always_on = 1, + }, + .consumer_supplies = mx28evk_audio_consumer_supplies, + .num_consumer_supplies = ARRAY_SIZE(mx28evk_audio_consumer_supplies), +}; + +static struct fixed_voltage_config mx28evk_vdd_pdata = { + .supply_name = "board-3V3", + .microvolts = 3300000, + .gpio = -EINVAL, + .enabled_at_boot = 1, + .init_data = &mx28evk_vdd_reg_init_data, +}; +static struct platform_device mx28evk_voltage_regulator = { + .name = "reg-fixed-voltage", + .id = -1, + .num_resources = 0, + .dev = { + .platform_data = &mx28evk_vdd_pdata, + }, +}; +static void __init mx28evk_add_regulators(void) +{ + platform_device_register(&mx28evk_voltage_regulator); +} +#else +static void __init mx28evk_add_regulators(void) {} +#endif + static struct gpio mx28evk_lcd_gpios[] = { { MX28EVK_LCD_ENABLE, GPIOF_OUT_INIT_HIGH, "lcd-enable" }, { MX28EVK_BL_ENABLE, GPIOF_OUT_INIT_HIGH, "bl-enable" }, @@ -389,6 +454,18 @@ static void __init mx28evk_init(void) else mx28_add_mxsfb(&mx28evk_mxsfb_pdata); + mx28_add_saif(0); + mx28_add_saif(1); + + mx28_add_mxs_i2c(0); + i2c_register_board_info(0, mxs_i2c0_board_info, + ARRAY_SIZE(mxs_i2c0_board_info)); + + mx28evk_add_regulators(); + + mxs_add_platform_device("mxs-sgtl5000", 0, NULL, 0, + NULL, 0); + /* power on mmc slot by writing 0 to the gpio */ ret = gpio_request_one(MX28EVK_MMC0_SLOT_POWER, GPIOF_OUT_INIT_LOW, "mmc0-slot-power"); @@ -403,6 +480,9 @@ static void __init mx28evk_init(void) else mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]); + mx28_add_mxs_mmc(1, &mx28evk_mmc_pdata[1]); + mx28_add_rtc_stmp3xxx(); + gpio_led_register_device(0, &mx28evk_led_data); } |