[ARM] tegra: add cap-prox platform data config settings

Change-Id: Ifac36a5eaff5d9c853c89bf0af6adf084e4e25e7
Signed-off-by: makarand.karvekar <makarand.karvekar@motorola.com>

diff --git a/arch/arm/mach-tegra/board-stingray-sensors.c b/arch/arm/mach-tegra/board-stingray-sensors.c
index 34643fa4674828e609ea1b0e3aa51ad86197275e..d0af4637c241be80ce2ee0ddd99c0af5863fed99 100755 (executable)
--- a/arch/arm/mach-tegra/board-stingray-sensors.c
+++ b/arch/arm/mach-tegra/board-stingray-sensors.c
@@ -26,6 +26,7 @@
 #include <linux/led-lm3559.h>
 #include <linux/max9635.h>
 #include <linux/moto_bmp085.h>
+#include <linux/cap_prox.h>
 #include <media/ov5650.h>
 #include <media/soc2030.h>
 #include <linux/platform_device.h>
@@ -47,6 +48,7 @@
 #define OV5650_PWRDN_GPIO      TEGRA_GPIO_PBB1
 #define SOC2030_RESETN_GPIO    TEGRA_GPIO_PD5
 #define SOC2030_PWRDN_GPIO     TEGRA_GPIO_PBB5
+#define CAP_PROX_IRQ_GPIO      TEGRA_GPIO_PZ3
 
 static int stingray_ov5650_power_on(void)
 {
@@ -221,6 +223,44 @@ static void stingray_kxtf9_init(void)
        gpio_direction_input(KXTF9_IRQ_GPIO);
 }
 
+struct cap_prox_platform_data stingray_cap_prox_pdata = {
+       .poll_interval                  = 10000,
+       .min_poll_interval              = 200,
+       .key1_ref_drift_thres_l         = 5,
+       .key3_ref_drift_thres_l         = 5,
+       .key1_ref_drift_thres_h         = 30,
+       .key3_ref_drift_thres_h         = 30,
+       .ref_drift_diff_thres           = 9,
+       .key1_save_drift_thres          = 90,
+       .key3_save_drift_thres          = 110,
+       .save_drift_diff_thres          = 24,
+       .plat_cap_prox_cfg = {
+               .lp_mode                = 0x00,
+               .address_ptr            = 0x10,
+               .reset                  = 0x20,
+               .key_enable_mask        = 0x3F,
+               .data_integration       = 0x40,
+               .neg_drift_rate         = 0x50,
+               .pos_drift_rate         = 0x60,
+               .force_detect           = 0x75,
+               .calibrate              = 0x80,
+               .thres_key1             = 0x92,
+               .ref_backup             = 0xaa,
+               .thres_key2             = 0xb2,
+               .reserved12             = 0xc0,
+               .drift_hold_time        = 0xd0,
+               .reserved14             = 0xe0,
+               .reserved15             = 0xf0,
+       },
+};
+
+static void stingray_cap_prox_init(void)
+{
+       tegra_gpio_enable(CAP_PROX_IRQ_GPIO);
+       gpio_request(CAP_PROX_IRQ_GPIO, "cap_prox_irq");
+       gpio_direction_input(CAP_PROX_IRQ_GPIO);
+}
+
 struct max9635_platform_data stingray_max9635_pdata = {
        .configure = 0x80,
        .threshold_timer = 0x19,
@@ -316,6 +356,11 @@ static struct i2c_board_info __initdata stingray_i2c_bus4_sensor_info[] = {
        {
                I2C_BOARD_INFO("nct1008", 0x4C),
        },
+       {
+               I2C_BOARD_INFO("cap-prox", 0x12),
+               .platform_data = &stingray_cap_prox_pdata,
+               .irq = TEGRA_GPIO_TO_IRQ(CAP_PROX_IRQ_GPIO),
+       },
 };
 
 static struct i2c_board_info __initdata stingray_i2c_bus1_sensor_info[] = {
@@ -368,6 +413,7 @@ int __init stingray_sensors_init(void)
        stingray_lm3559_init();
        stingray_ov5650_init();
        stingray_soc2030_init();
+       stingray_cap_prox_init();
 
        i2c_register_board_info(3, stingray_i2c_bus4_sensor_info,
                ARRAY_SIZE(stingray_i2c_bus4_sensor_info));