diff options
Diffstat (limited to 'arch/arm/mach-pxa/ezx.c')
| -rw-r--r-- | arch/arm/mach-pxa/ezx.c | 174 |
1 files changed, 170 insertions, 4 deletions
diff --git a/arch/arm/mach-pxa/ezx.c b/arch/arm/mach-pxa/ezx.c index 48c17372bc1..320e2f8c599 100644 --- a/arch/arm/mach-pxa/ezx.c +++ b/arch/arm/mach-pxa/ezx.c @@ -17,8 +17,11 @@ #include <linux/delay.h> #include <linux/pwm_backlight.h> #include <linux/input.h> +#include <linux/gpio.h> #include <linux/gpio_keys.h> +#include <media/soc_camera.h> + #include <asm/setup.h> #include <asm/mach-types.h> #include <asm/mach/arch.h> @@ -29,6 +32,7 @@ #include <plat/i2c.h> #include <mach/hardware.h> #include <mach/pxa27x_keypad.h> +#include <mach/camera.h> #include "devices.h" #include "generic.h" @@ -38,6 +42,9 @@ #define GPIO15_A910_FLIP_LID 15 #define GPIO12_E680_LOCK_SWITCH 12 #define GPIO15_E6_LOCK_SWITCH 15 +#define GPIO50_nCAM_EN 50 +#define GPIO19_GEN1_CAM_RST 19 +#define GPIO28_GEN2_CAM_RST 28 static struct platform_pwm_backlight_data ezx_backlight_data = { .pwm_id = 0, @@ -191,8 +198,8 @@ static unsigned long gen1_pin_config[] __initdata = { GPIO94_CIF_DD_5, GPIO17_CIF_DD_6, GPIO108_CIF_DD_7, - GPIO50_GPIO, /* CAM_EN */ - GPIO19_GPIO, /* CAM_RST */ + GPIO50_GPIO | MFP_LPM_DRIVE_HIGH, /* CAM_EN */ + GPIO19_GPIO | MFP_LPM_DRIVE_HIGH, /* CAM_RST */ /* EMU */ GPIO120_GPIO, /* EMU_MUX1 */ @@ -248,8 +255,8 @@ static unsigned long gen2_pin_config[] __initdata = { GPIO48_CIF_DD_5, GPIO93_CIF_DD_6, GPIO12_CIF_DD_7, - GPIO50_GPIO, /* CAM_EN */ - GPIO28_GPIO, /* CAM_RST */ + GPIO50_GPIO | MFP_LPM_DRIVE_HIGH, /* CAM_EN */ + GPIO28_GPIO | MFP_LPM_DRIVE_HIGH, /* CAM_RST */ GPIO17_GPIO, /* CAM_FLASH */ }; #endif @@ -683,6 +690,81 @@ static struct platform_device a780_gpio_keys = { }, }; +/* camera */ +static int a780_camera_init(void) +{ + int err; + + /* + * GPIO50_nCAM_EN is active low + * GPIO19_GEN1_CAM_RST is active on rising edge + */ + err = gpio_request(GPIO50_nCAM_EN, "nCAM_EN"); + if (err) { + pr_err("%s: Failed to request nCAM_EN\n", __func__); + goto fail; + } + + err = gpio_request(GPIO19_GEN1_CAM_RST, "CAM_RST"); + if (err) { + pr_err("%s: Failed to request CAM_RST\n", __func__); + goto fail_gpio_cam_rst; + } + + gpio_direction_output(GPIO50_nCAM_EN, 1); + gpio_direction_output(GPIO19_GEN1_CAM_RST, 0); + + return 0; + +fail_gpio_cam_rst: + gpio_free(GPIO50_nCAM_EN); +fail: + return err; +} + +static int a780_camera_power(struct device *dev, int on) +{ + gpio_set_value(GPIO50_nCAM_EN, !on); + return 0; +} + +static int a780_camera_reset(struct device *dev) +{ + gpio_set_value(GPIO19_GEN1_CAM_RST, 0); + msleep(10); + gpio_set_value(GPIO19_GEN1_CAM_RST, 1); + + return 0; +} + +struct pxacamera_platform_data a780_pxacamera_platform_data = { + .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | + PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, + .mclk_10khz = 5000, +}; + +static struct i2c_board_info a780_camera_i2c_board_info = { + I2C_BOARD_INFO("mt9m111", 0x5d), +}; + +static struct soc_camera_link a780_iclink = { + .bus_id = 0, + .flags = SOCAM_SENSOR_INVERT_PCLK, + .i2c_adapter_id = 0, + .board_info = &a780_camera_i2c_board_info, + .module_name = "mt9m111", + .power = a780_camera_power, + .reset = a780_camera_reset, +}; + +static struct platform_device a780_camera = { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &a780_iclink, + }, +}; + static struct platform_device *a780_devices[] __initdata = { &a780_gpio_keys, }; @@ -703,6 +785,11 @@ static void __init a780_init(void) pxa_set_keypad_info(&a780_keypad_platform_data); + if (a780_camera_init() == 0) { + pxa_set_camera_info(&a780_pxacamera_platform_data); + platform_device_register(&a780_camera); + } + platform_add_devices(ARRAY_AND_SIZE(ezx_devices)); platform_add_devices(ARRAY_AND_SIZE(a780_devices)); } @@ -876,6 +963,80 @@ static struct platform_device a910_gpio_keys = { }, }; +/* camera */ +static int a910_camera_init(void) +{ + int err; + + /* + * GPIO50_nCAM_EN is active low + * GPIO28_GEN2_CAM_RST is active on rising edge + */ + err = gpio_request(GPIO50_nCAM_EN, "nCAM_EN"); + if (err) { + pr_err("%s: Failed to request nCAM_EN\n", __func__); + goto fail; + } + + err = gpio_request(GPIO28_GEN2_CAM_RST, "CAM_RST"); + if (err) { + pr_err("%s: Failed to request CAM_RST\n", __func__); + goto fail_gpio_cam_rst; + } + + gpio_direction_output(GPIO50_nCAM_EN, 1); + gpio_direction_output(GPIO28_GEN2_CAM_RST, 0); + + return 0; + +fail_gpio_cam_rst: + gpio_free(GPIO50_nCAM_EN); +fail: + return err; +} + +static int a910_camera_power(struct device *dev, int on) +{ + gpio_set_value(GPIO50_nCAM_EN, !on); + return 0; +} + +static int a910_camera_reset(struct device *dev) +{ + gpio_set_value(GPIO28_GEN2_CAM_RST, 0); + msleep(10); + gpio_set_value(GPIO28_GEN2_CAM_RST, 1); + + return 0; +} + +struct pxacamera_platform_data a910_pxacamera_platform_data = { + .flags = PXA_CAMERA_MASTER | PXA_CAMERA_DATAWIDTH_8 | + PXA_CAMERA_PCLK_EN | PXA_CAMERA_MCLK_EN, + .mclk_10khz = 5000, +}; + +static struct i2c_board_info a910_camera_i2c_board_info = { + I2C_BOARD_INFO("mt9m111", 0x5d), +}; + +static struct soc_camera_link a910_iclink = { + .bus_id = 0, + .i2c_adapter_id = 0, + .board_info = &a910_camera_i2c_board_info, + .module_name = "mt9m111", + .power = a910_camera_power, + .reset = a910_camera_reset, +}; + +static struct platform_device a910_camera = { + .name = "soc-camera-pdrv", + .id = 0, + .dev = { + .platform_data = &a910_iclink, + }, +}; + static struct platform_device *a910_devices[] __initdata = { &a910_gpio_keys, }; @@ -896,6 +1057,11 @@ static void __init a910_init(void) pxa_set_keypad_info(&a910_keypad_platform_data); + if (a910_camera_init() == 0) { + pxa_set_camera_info(&a910_pxacamera_platform_data); + platform_device_register(&a910_camera); + } + platform_add_devices(ARRAY_AND_SIZE(ezx_devices)); platform_add_devices(ARRAY_AND_SIZE(a910_devices)); } |