This commit adds the platform device and data of
wm8994 regulator to enable the I2S playback on
S5PV310 board on linux-linaro-2.6.38.
Signed-off-by: Giridhar Maruthy <giridhar.maruthy@xxxxxxxxxx>
---
arch/arm/mach-exynos4/mach-smdkv310.c | 167 ++++++++++++++++++++++++++++++++-
1 files changed, 166 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-exynos4/mach-smdkv310.c b/arch/arm/mach-exynos4/mach-smdkv310.c
index 07860a5..a4fa3d9 100644
--- a/arch/arm/mach-exynos4/mach-smdkv310.c
+++ b/arch/arm/mach-exynos4/mach-smdkv310.c
@@ -15,6 +15,11 @@
#include <linux/smsc911x.h>
#include <linux/io.h>
#include <linux/i2c.h>
+#include <linux/platform_device.h>
+#include <linux/regulator/machine.h>
+#include <linux/regulator/max8649.h>
+#include <linux/regulator/fixed.h>
+#include <linux/mfd/wm8994/pdata.h>
#include <asm/mach/arch.h>
#include <asm/mach-types.h>
@@ -142,9 +147,162 @@ static struct platform_device smdkv310_smsc911x = {
},
};
+
+#if defined(CONFIG_SND_SOC_WM8994) || defined(CONFIG_SND_SOC_WM8994_MODULE)
+
+#ifdef CONFIG_REGULATOR_WM8994
+static struct regulator_consumer_supply wm8994_fixed_voltage0_supplies[] = {
+ {
+ .dev_name = "1-001a",
+ .supply = "AVDD2",
+ }, {
+ .dev_name = "1-001a",
+ .supply = "CPVDD",
+ },
+};
+
+static struct regulator_consumer_supply wm8994_fixed_voltage1_supplies[] = {
+ {
+ .dev_name = "1-001a",
+ .supply = "SPKVDD1",
+ }, {
+ .dev_name = "1-001a",
+ .supply = "SPKVDD2",
+ },
+};
+
+static struct regulator_consumer_supply wm8994_fixed_voltage2_supplies[] = {
+ {
+ .dev_name = "1-001a",
+ .supply = "DBVDD",
+ },
+};
+
+static struct regulator_init_data wm8994_fixed_voltage0_init_data = {
+ .constraints = {
+ .always_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(wm8994_fixed_voltage0_supplies),
+ .consumer_supplies = wm8994_fixed_voltage0_supplies,
+};
+
+static struct regulator_init_data wm8994_fixed_voltage1_init_data = {
+ .constraints = {
+ .always_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(wm8994_fixed_voltage1_supplies),
+ .consumer_supplies = wm8994_fixed_voltage1_supplies,
+};
+
+static struct regulator_init_data wm8994_fixed_voltage2_init_data = {
+ .constraints = {
+ .always_on = 1,
+ },
+ .num_consumer_supplies = ARRAY_SIZE(wm8994_fixed_voltage2_supplies),
+ .consumer_supplies = wm8994_fixed_voltage2_supplies,
+};
+
+static struct fixed_voltage_config wm8994_fixed_voltage0_config = {
+ .supply_name = "VDD_1.8V",
+ .microvolts = 1800000,
+ .gpio = -EINVAL,
+ .init_data = &wm8994_fixed_voltage0_init_data,
+};
+
+static struct fixed_voltage_config wm8994_fixed_voltage1_config = {
+ .supply_name = "DC_5V",
+ .microvolts = 5000000,
+ .gpio = -EINVAL,
+ .init_data = &wm8994_fixed_voltage1_init_data,
+};
+
+static struct fixed_voltage_config wm8994_fixed_voltage2_config = {
+ .supply_name = "VDD_3.3V",
+ .microvolts = 3300000,
+ .gpio = -EINVAL,
+ .init_data = &wm8994_fixed_voltage2_init_data,
+};
+
+static struct platform_device wm8994_fixed_voltage0 = {
+ .name = "reg-fixed-voltage",
+ .id = 0,
+ .dev = {
+ .platform_data = &wm8994_fixed_voltage0_config,
+ },
+};
+
+static struct platform_device wm8994_fixed_voltage1 = {
+ .name = "reg-fixed-voltage",
+ .id = 1,
+ .dev = {
+ .platform_data = &wm8994_fixed_voltage1_config,
+ },
+};
+
+static struct platform_device wm8994_fixed_voltage2 = {
+ .name = "reg-fixed-voltage",
+ .id = 2,
+ .dev = {
+ .platform_data = &wm8994_fixed_voltage2_config,
+ },
+};
+
+static struct regulator_consumer_supply wm8994_avdd1_supply = {
+ .dev_name = "1-001a",
+ .supply = "AVDD1",
+};
+
+static struct regulator_consumer_supply wm8994_dcvdd_supply = {
+ .dev_name = "1-001a",
+ .supply = "DCVDD",
+};
+
+static struct regulator_init_data wm8994_ldo1_data = {
+ .constraints = {
+ .name = "AVDD1",
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &wm8994_avdd1_supply,
+};
+
+static struct regulator_init_data wm8994_ldo2_data = {
+ .constraints = {
+ .name = "DCVDD",
+ },
+ .num_consumer_supplies = 1,
+ .consumer_supplies = &wm8994_dcvdd_supply,
+};
+#endif
+
+static struct wm8994_pdata wm8994_platform_data = {
+ /* configure gpio1 function: 0x0001(Logic level input/output) */
+ .gpio_defaults[0] = 0x0001,
+ /* configure gpio3/4/5/7 function for AIF2 voice */
+ .gpio_defaults[2] = 0x8100,/*BCLK2 in*/
+ .gpio_defaults[3] = 0x8100,/*LRCLK2 in*/
+ .gpio_defaults[4] = 0x8100,/*DACDAT2 in*/
+ /* configure gpio6 function: 0x0001(Logic level input/output) */
+ .gpio_defaults[5] = 0x0001,
+ .gpio_defaults[6] = 0x0100,/*ADCDAT2 out*/
+#ifdef CONFIG_REGULATOR_WM8994
+ .ldo[0] = { 0, NULL, &wm8994_ldo1_data },
+ .ldo[1] = { 0, NULL, &wm8994_ldo2_data },
+#endif
+};
+#endif
+
+#ifdef CONFIG_I2C_S3C2410
+#ifdef CONFIG_S3C_DEV_I2C1
static struct i2c_board_info i2c_devs1[] __initdata = {
- {I2C_BOARD_INFO("wm8994", 0x1a),},
+#if defined(CONFIG_SND_SOC_WM8994) || defined(CONFIG_SND_SOC_WM8994_MODULE)
+ {
+ I2C_BOARD_INFO("wm8994", 0x1a),
+ .platform_data = &wm8994_platform_data,
+ },
+#endif
};
+#endif
+#endif
static struct platform_device *smdkv310_devices[] __initdata = {
&s3c_device_hsmmc0,
@@ -158,6 +316,13 @@ static struct platform_device *smdkv310_devices[] __initdata = {
&exynos4_device_i2s0,
&exynos4_device_pd[PD_MFC],
&exynos4_device_pd[PD_G3D],
+#if (defined(CONFIG_SND_SOC_WM8994) || \
+ defined(CONFIG_SND_SOC_WM8994_MODULE)) && \
+ defined(CONFIG_REGULATOR_WM8994)
+ &wm8994_fixed_voltage0,
+ &wm8994_fixed_voltage1,
+ &wm8994_fixed_voltage2,
+#endif
&exynos4_device_pd[PD_LCD0],
&exynos4_device_pd[PD_LCD1],
&exynos4_device_pd[PD_CAM],
--
1.7.1
--
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