diff options
| author | Abhinav Sinha <absinha@nvidia.com> | 2011-03-31 14:22:55 -0700 |
|---|---|---|
| committer | Varun Colbert <vcolbert@nvidia.com> | 2011-04-15 18:36:20 -0700 |
| commit | d0dc7e20ea28fe5b4a8255f20c1c83ab209e5cbb (patch) | |
| tree | eec564f77a03fe52a40113d66f0e044d5c6445f8 /arch/arm/mach-tegra/board-whistler-sensors.c | |
| parent | 49f1b678a332694040e4a9e1479cd5f9710b7d3a (diff) | |
ARM: tegra: whistler: add camera sensor soc380
Add registration and initialization of soc380 camera
Bug: 783488
Change-Id: I9ad9d25cfa51a45b2fe889cdac5b90650eafdd03
Reviewed-on: http://git-master/r/24973
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Diffstat (limited to 'arch/arm/mach-tegra/board-whistler-sensors.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-whistler-sensors.c | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-whistler-sensors.c b/arch/arm/mach-tegra/board-whistler-sensors.c index e31a5b20eb1d..6d8037f58759 100644 --- a/arch/arm/mach-tegra/board-whistler-sensors.c +++ b/arch/arm/mach-tegra/board-whistler-sensors.c @@ -22,6 +22,7 @@ #include <linux/i2c.h> #include <mach/gpio.h> #include <media/ov5650.h> +#include <media/soc380.h> #include <linux/regulator/consumer.h> #include <linux/err.h> #include <linux/adt7461.h> @@ -31,6 +32,8 @@ #define CAMERA1_PWDN_GPIO TEGRA_GPIO_PT2 #define CAMERA1_RESET_GPIO TEGRA_GPIO_PD2 +#define CAMERA2_PWDN_GPIO TEGRA_GPIO_PBB5 +#define CAMERA2_RESET_GPIO TEGRA_GPIO_PBB1 #define CAMERA_AF_PD_GPIO TEGRA_GPIO_PT3 #define CAMERA_FLASH_EN1_GPIO TEGRA_GPIO_PBB4 #define CAMERA_FLASH_EN2_GPIO TEGRA_GPIO_PA0 @@ -51,10 +54,22 @@ static int whistler_camera_init(void) tegra_gpio_enable(CAMERA1_PWDN_GPIO); gpio_request(CAMERA1_PWDN_GPIO, "camera1_powerdown"); gpio_direction_output(CAMERA1_PWDN_GPIO, 0); + gpio_export(CAMERA1_PWDN_GPIO, false); tegra_gpio_enable(CAMERA1_RESET_GPIO); gpio_request(CAMERA1_RESET_GPIO, "camera1_reset"); gpio_direction_output(CAMERA1_RESET_GPIO, 0); + gpio_export(CAMERA1_RESET_GPIO, false); + + tegra_gpio_enable(CAMERA2_PWDN_GPIO); + gpio_request(CAMERA2_PWDN_GPIO, "camera2_powerdown"); + gpio_direction_output(CAMERA2_PWDN_GPIO, 0); + gpio_export(CAMERA2_PWDN_GPIO, false); + + tegra_gpio_enable(CAMERA2_RESET_GPIO); + gpio_request(CAMERA2_RESET_GPIO, "camera2_reset"); + gpio_direction_output(CAMERA2_RESET_GPIO, 0); + gpio_export(CAMERA2_RESET_GPIO, false); tegra_gpio_enable(CAMERA_AF_PD_GPIO); gpio_request(CAMERA_AF_PD_GPIO, "camera_autofocus"); @@ -152,11 +167,73 @@ static int whistler_ov5650_power_off(void) return 0; } +static int whistler_soc380_power_on(void) +{ + gpio_set_value(CAMERA2_PWDN_GPIO, 0); + + if (!reg_vddio_vi) { + reg_vddio_vi = regulator_get(NULL, "vddio_vi"); + if (IS_ERR_OR_NULL(reg_vddio_vi)) { + pr_err("whistler_soc380_power_on: vddio_vi failed\n"); + reg_vddio_vi = NULL; + return PTR_ERR(reg_vddio_vi); + } + regulator_set_voltage(reg_vddio_vi, 1800*1000, 1800*1000); + mdelay(5); + regulator_enable(reg_vddio_vi); + } + + if (!reg_avdd_cam1) { + reg_avdd_cam1 = regulator_get(NULL, "vdd_cam1"); + if (IS_ERR_OR_NULL(reg_avdd_cam1)) { + pr_err("whistler_soc380_power_on: vdd_cam1 failed\n"); + reg_avdd_cam1 = NULL; + return PTR_ERR(reg_avdd_cam1); + } + regulator_enable(reg_avdd_cam1); + } + mdelay(5); + + gpio_set_value(CAMERA2_RESET_GPIO, 1); + mdelay(10); + gpio_set_value(CAMERA2_RESET_GPIO, 0); + mdelay(5); + gpio_set_value(CAMERA2_RESET_GPIO, 1); + mdelay(20); + + return 0; + +} + +static int whistler_soc380_power_off(void) +{ + gpio_set_value(CAMERA2_PWDN_GPIO, 1); + gpio_set_value(CAMERA2_RESET_GPIO, 0); + + if (reg_avdd_cam1) { + regulator_disable(reg_avdd_cam1); + regulator_put(reg_avdd_cam1); + reg_avdd_cam1 = NULL; + } + if (reg_vddio_vi) { + regulator_disable(reg_vddio_vi); + regulator_put(reg_vddio_vi); + reg_vddio_vi = NULL; + } + + return 0; +} + struct ov5650_platform_data whistler_ov5650_data = { .power_on = whistler_ov5650_power_on, .power_off = whistler_ov5650_power_off, }; +struct soc380_platform_data whistler_soc380_data = { + .power_on = whistler_soc380_power_on, + .power_off = whistler_soc380_power_off, +}; + static struct i2c_board_info whistler_i2c3_board_info[] = { { I2C_BOARD_INFO("ov5650", 0x36), @@ -165,6 +242,10 @@ static struct i2c_board_info whistler_i2c3_board_info[] = { { I2C_BOARD_INFO("ad5820", 0x0c), }, + { + I2C_BOARD_INFO("soc380", 0x3C), + .platform_data = &whistler_soc380_data, + }, }; static void whistler_adxl34x_init(void) @@ -263,6 +344,7 @@ int __init whistler_sensor_late_init(void) } regulator_put(reg_vddio_vi); + reg_vddio_vi = NULL; return 0; fail_put_regulator: |