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Diffstat (limited to 'arch/arm/mach-mxs/mach-mx28evk.c')
-rw-r--r--arch/arm/mach-mxs/mach-mx28evk.c80
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 0173c3bce4ef..ac2316d53d3c 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);
}