[ARM] tegra: Add ov5650 camera sensor to stingray board file

Change-Id: I1b5277de2ed972ef2c7235e1c7d190273ff0e069
Signed-off-by: Rebecca Schultz Zavin <rebecca@android.com>

diff --git a/arch/arm/mach-tegra/board-stingray-sensors.c b/arch/arm/mach-tegra/board-stingray-sensors.c
index 6597bdf1ce28bad48a896f8daae79699a35d74a8..ac3a5a7bdcfc9f49f8f0af8f2c5ea6d533a04058 100755 (executable)
--- a/arch/arm/mach-tegra/board-stingray-sensors.c
+++ b/arch/arm/mach-tegra/board-stingray-sensors.c
@@ -27,6 +27,7 @@
 #include <linux/led-lm3559.h>
 #include <linux/max9635.h>
 #include <linux/akm8975.h>
+#include <media/ov5650.h>
 #include <linux/platform_device.h>
 
 #include <linux/regulator/consumer.h>
@@ -41,6 +42,69 @@
 #define L3G4200D_IRQ_GPIO      TEGRA_GPIO_PH2
 #define AKM8975_IRQ_GPIO       TEGRA_GPIO_PQ2
 #define LM3559_GPIO            TEGRA_GPIO_PT4
+#define OV5650_RESETN_GPIO     TEGRA_GPIO_PD2
+#define OV5650_PWRDN_GPIO      TEGRA_GPIO_PBB1
+
+struct regulator *stingray_ov5650_regulator_vcam;
+
+static int stingray_ov5650_init(void)
+{
+       tegra_gpio_enable(OV5650_RESETN_GPIO);
+       gpio_request(OV5650_RESETN_GPIO, "ov5650_reset");
+       gpio_direction_output(OV5650_RESETN_GPIO, 0);
+       gpio_export(OV5650_RESETN_GPIO, false);
+
+       tegra_gpio_enable(OV5650_PWRDN_GPIO);
+       gpio_request(OV5650_PWRDN_GPIO, "ov5650_pwrdn");
+       gpio_direction_output(OV5650_PWRDN_GPIO, 1);
+       gpio_export(OV5650_PWRDN_GPIO, false);
+
+       pr_info("initialize the ov5650 sensor\n");
+
+       return 0;
+}
+
+static int stingray_ov5650_power_on(void)
+{
+       pr_info("power on the ov5650 sensor\n");
+       if (!stingray_ov5650_regulator_vcam) {
+               stingray_ov5650_regulator_vcam = regulator_get(NULL, "vcam");
+               if (IS_ERR(stingray_ov5650_regulator_vcam)) {
+                       pr_err("ov5650_power_on: couldn't get regulator vcam\n");
+                       return PTR_ERR(stingray_ov5650_regulator_vcam);
+               }
+       }
+
+       regulator_enable(stingray_ov5650_regulator_vcam);
+       msleep(20);
+
+       gpio_direction_output(OV5650_PWRDN_GPIO, 0);
+       msleep(10);
+
+       gpio_direction_output(OV5650_RESETN_GPIO, 1);
+       msleep(5);
+       gpio_direction_output(OV5650_RESETN_GPIO, 0);
+       msleep(5);
+       gpio_direction_output(OV5650_RESETN_GPIO, 1);
+       msleep(5);
+
+       return 0;
+}
+
+static int stingray_ov5650_power_off(void)
+{
+       gpio_direction_output(OV5650_PWRDN_GPIO, 1);
+       gpio_direction_output(OV5650_RESETN_GPIO, 0);
+       regulator_disable(stingray_ov5650_regulator_vcam);
+
+       return 0;
+}
+
+struct ov5650_platform_data stingray_ov5650_data = {
+       .power_on = stingray_ov5650_power_on,
+       .power_off = stingray_ov5650_power_off,
+};
+
 
 static struct regulator *stingray_bmp085_regulator;
 static int stingray_bmp085_init(void)
@@ -421,6 +485,7 @@ static struct i2c_board_info __initdata stingray_i2c_bus1_sensor_info[] = {
                .irq = TEGRA_GPIO_TO_IRQ(MAX9635_IRQ_GPIO),
         },
 };
+
 static struct i2c_board_info __initdata stingray_i2c_bus3_sensor_info[] = {
         {
                I2C_BOARD_INFO(L3G4200D_NAME, 0x68),
@@ -432,6 +497,11 @@ static struct i2c_board_info __initdata stingray_i2c_bus3_sensor_info[] = {
                I2C_BOARD_INFO(LM3559_NAME, 0x53),
                .platform_data = &stingray_lm3559_data,
         },
+
+       {
+               I2C_BOARD_INFO("ov5650", 0x36),
+               .platform_data = &stingray_ov5650_data,
+       },
 };
 
 int __init stingray_sensors_init(void)
@@ -442,6 +512,7 @@ int __init stingray_sensors_init(void)
        stingray_l3g4200d_init();
        stingray_akm8975_init();
        stingray_lm3559_init();
+       stingray_ov5650_init();
 
        i2c_register_board_info(3, stingray_i2c_bus4_sensor_info,
                ARRAY_SIZE(stingray_i2c_bus4_sensor_info));