[ARM] tegra: stingray: Add MAX9635 to board file

Change-Id: Ie7ca7819aa8daf2696b1242b05f7147318f6c902
Signed-off-by: Dan Murphy <wldm10@motorola.com>

diff --git a/arch/arm/mach-tegra/board-stingray-sensors.c b/arch/arm/mach-tegra/board-stingray-sensors.c
index 9458d9e3b26fe60c0df765a318864b31ce4488af..3ca7413791c334dc65d521e53e0329be8d4fe1ba 100755 (executable)
--- a/arch/arm/mach-tegra/board-stingray-sensors.c
+++ b/arch/arm/mach-tegra/board-stingray-sensors.c
@@ -23,6 +23,7 @@
 #include <linux/input.h>
 #include <linux/kernel.h>
 #include <linux/kxtf9.h>
+#include <linux/max9635.h>
 #include <linux/platform_device.h>
 
 #include <linux/regulator/consumer.h>
@@ -34,6 +35,7 @@
 static struct regulator *stingray_bmp085_regulator;
 
 #define KXTF9_IRQ_GPIO TEGRA_GPIO_PV3
+#define MAX9635_IRQ_GPIO       TEGRA_GPIO_PV1
 
 static int stingray_bmp085_init(void)
 {
@@ -171,6 +173,57 @@ static void stingray_kxtf9_init(void)
        gpio_request(KXTF9_IRQ_GPIO, "kxtf9_irq");
        gpio_direction_input(KXTF9_IRQ_GPIO);
 }
+
+static struct regulator *stingray_max9635_regulator;
+static int stingray_max9635_power_on(void)
+{
+       if (stingray_max9635_regulator)
+               return regulator_enable(stingray_max9635_regulator);
+       return 0;
+}
+static int stingray_max9635_power_off(void)
+{
+       if (stingray_max9635_regulator)
+               return regulator_disable(stingray_max9635_regulator);
+       return 0;
+}
+struct max9635_als_zone_data stingray_zone_data[] = {
+       { 0x00, 0x57},
+       { 0x58, 0x95},
+       { 0xa3, 0xa4},
+       { 0xa5, 0xab},
+       { 0xac, 0xef},
+};
+
+struct max9635_platform_data stingray_max9635_pdata = {
+       .configure = 0x4c,
+       .threshold_timer = 0x00,
+       .def_low_threshold = 0x58,
+       .def_high_threshold = 0x95,
+       .lens_percent_t = 100,
+       .als_lux_table = stingray_zone_data,
+       .num_of_zones = ARRAY_SIZE(stingray_zone_data),
+       .power_on = stingray_max9635_power_on,
+       .power_off = stingray_max9635_power_off
+};
+
+static int stingray_max9635_init(void)
+{
+       tegra_gpio_enable(MAX9635_IRQ_GPIO);
+       gpio_request(MAX9635_IRQ_GPIO, "max9635_irq");
+       gpio_direction_input(MAX9635_IRQ_GPIO);
+
+       /* TO DO: Add regulator init code here as well
+       struct regulator *reg;
+       reg = regulator_get(NULL, "vhvio");
+       if (IS_ERR(reg))
+               return PTR_ERR(reg);
+       stingray_max9635_regulator = reg;
+*/
+       stingray_max9635_regulator = NULL;
+       return 0;
+}
+
 static struct i2c_board_info __initdata stingray_i2c_bus4_sensor_info[] = {
        {
                I2C_BOARD_INFO("kxtf9", 0x0F),
@@ -185,12 +238,18 @@ static struct i2c_board_info __initdata stingray_i2c_bus1_sensor_info[] = {
         .platform_data = &stingray_barom_pdata,
         .irq = TEGRA_GPIO_TO_IRQ(TEGRA_GPIO_PW0),
         },
+       {
+                I2C_BOARD_INFO(MAX9635_NAME, 0x4b),
+               .platform_data = &stingray_max9635_pdata,
+               .irq = TEGRA_GPIO_TO_IRQ(MAX9635_IRQ_GPIO),
+        },
 };
 
 int __init stingray_sensors_init(void)
 {
        stingray_bmp085_init();
        stingray_kxtf9_init();
+       stingray_max9635_init();
        i2c_register_board_info(3, stingray_i2c_bus4_sensor_info,
                ARRAY_SIZE(stingray_i2c_bus4_sensor_info));
        return i2c_register_board_info(0, stingray_i2c_bus1_sensor_info,