diff options
| author | Danielle Sun <dsun@nvidia.com> | 2011-05-26 16:52:24 -0700 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:47:22 -0800 |
| commit | 4a56b6e2180e3645343f18d411ac2cfef4e721e8 (patch) | |
| tree | 5e8e02b32106e551ffd3cf3544201cef7d38dedc /arch/arm/mach-tegra/board-cardhu-sensors.c | |
| parent | ba2acdd174896b0d6ac278168df1cfaa6167df42 (diff) | |
arm: tegra: cardhu: add support for TPS61050 flash driver
Bug 794431
Original-Change-Id: I889c224b184d099339ccdb438326a2037f85cdf6
Reviewed-on: http://git-master/r/34214
Reviewed-by: Varun Colbert <vcolbert@nvidia.com>
Tested-by: Varun Colbert <vcolbert@nvidia.com>
Rebase-Id: R4427050d243067273f1035b4d7f18db3c8c0ee51
Diffstat (limited to 'arch/arm/mach-tegra/board-cardhu-sensors.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-cardhu-sensors.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-cardhu-sensors.c b/arch/arm/mach-tegra/board-cardhu-sensors.c index 9c6f47b30dbb..117064556570 100644 --- a/arch/arm/mach-tegra/board-cardhu-sensors.c +++ b/arch/arm/mach-tegra/board-cardhu-sensors.c @@ -41,6 +41,7 @@ #include <mach/gpio.h> #include <media/ov5650.h> #include <media/ov2710.h> +#include <media/tps61050.h> #include <generated/mach-types.h> #include "gpio-names.h" #include "board.h" @@ -420,6 +421,72 @@ struct sh532u_platform_data sh532u_pdata = { .board_init = sh532u_init, .board_deinit = sh532u_deinit, }; + + +static bool cardhu_tps61050_pm_flag = 0; + +static struct tps61050_pin_state cardhu_tps61050_pinstate = { + .mask = 0x0008, /*VGP3*/ + .values = 0x0008, +}; + +static int cardhu_tps61050_pm(int pwr) +{ + switch (pwr) { + case TPS61050_PWR_OFF: + if (cardhu_tps61050_pm_flag && cardhu_1v8_cam1) { + regulator_disable(cardhu_1v8_cam1); + cardhu_tps61050_pm_flag = 0; + } + return 0; + + case TPS61050_PWR_STDBY: + case TPS61050_PWR_COMM: + case TPS61050_PWR_ON: + if (!cardhu_tps61050_pm_flag) { + if (cardhu_1v8_cam1 == NULL) { + cardhu_1v8_cam1 = + regulator_get(NULL, "vdd_1v8_cam1"); + if (WARN_ON(IS_ERR(cardhu_1v8_cam1))) { + pr_err("%s: err: %ld\n", + __func__, + PTR_ERR(cardhu_1v8_cam1)); + regulator_put(cardhu_1v8_cam1); + cardhu_1v8_cam1 = NULL; + } + } + regulator_enable(cardhu_1v8_cam1); + cardhu_tps61050_pm_flag = 1; + mdelay(5); + } + return 0; + + default: + return -1; + } +} + +static struct tps61050_platform_data cardhu_tps61050_data = { + .cfg = 0, + .num = 1, + .max_amp_torch = CAMERA_FLASH_MAX_TORCH_AMP, + .max_amp_flash = CAMERA_FLASH_MAX_FLASH_AMP, + .pinstate = &cardhu_tps61050_pinstate, + .init = NULL, + .exit = NULL, + .pm = cardhu_tps61050_pm, + .gpio_envm = NULL, + .gpio_sync = NULL, +}; + +static const struct i2c_board_info cardhu_i2c_board_info_tps61050[] = { + { + I2C_BOARD_INFO("tps61050", 0x33), + .platform_data = &cardhu_tps61050_data, + }, +}; + + static struct i2c_board_info cardhu_i2c6_board_info[] = { { I2C_BOARD_INFO("ov5650L", 0x36), @@ -653,6 +720,9 @@ int __init cardhu_sensors_init(void) i2c_register_board_info(2, cardhu_i2c3_board_info, ARRAY_SIZE(cardhu_i2c3_board_info)); + i2c_register_board_info(2, cardhu_i2c_board_info_tps61050, + ARRAY_SIZE(cardhu_i2c_board_info_tps61050)); + /* Left camera is on PCA954x's I2C BUS0, Right camera is on BUS1 & * Front camera is on BUS2 */ i2c_register_board_info(PCA954x_I2C_BUS0, cardhu_i2c6_board_info, |