diff options
| author | Prashant Gaikwad <pgaikwad@nvidia.com> | 2011-01-19 18:15:47 +0530 |
|---|---|---|
| committer | Dan Willemsen <dwillemsen@nvidia.com> | 2011-11-30 21:46:23 -0800 |
| commit | 37781e357ef9f6cee676ad2ac26ac7d3088cb076 (patch) | |
| tree | 625977a3e3d97e6a23b783714475dd85d9446020 /arch/arm/mach-tegra/board-whistler-sensors.c | |
| parent | 9eb8389a71f588dd151e4896a7bac72baf81461d (diff) | |
[ARM] tegra: i2c registration of accelerometer
Registering ADXL34x accelerometer on GEN1 I2C.
Bug 780004
Original-Change-Id: Icd01873a910a1e79811b1b567e9670432e76020f
Reviewed-on: http://git-master/r/16238
Tested-by: Prashant Gaikwad <pgaikwad@nvidia.com>
Reviewed-by: Bharat Nihalani <bnihalani@nvidia.com>
Rebase-Id: Rec54e5a14a0be700f035a6d34f1d683591522c4e
Diffstat (limited to 'arch/arm/mach-tegra/board-whistler-sensors.c')
| -rw-r--r-- | arch/arm/mach-tegra/board-whistler-sensors.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-tegra/board-whistler-sensors.c b/arch/arm/mach-tegra/board-whistler-sensors.c index 3d88b981f78b..eb1ea7c0bb0a 100644 --- a/arch/arm/mach-tegra/board-whistler-sensors.c +++ b/arch/arm/mach-tegra/board-whistler-sensors.c @@ -24,6 +24,7 @@ #include "gpio-names.h" +#define ADXL34X_IRQ_GPIO TEGRA_GPIO_PAA1 #define CAMERA_RESET2_SHUTTER_GPIO TEGRA_GPIO_PBB1 #define CAMERA_PWNDN1_GPIO TEGRA_GPIO_PBB4 #define CAMERA_PWNDN2_STROBE_GPIO TEGRA_GPIO_PBB5 @@ -82,10 +83,29 @@ static struct i2c_board_info whistler_i2c3_board_info[] = { }, }; +static void whistler_adxl34x_init(void) +{ + tegra_gpio_enable(ADXL34X_IRQ_GPIO); + gpio_request(ADXL34X_IRQ_GPIO, "adxl34x"); + gpio_direction_input(ADXL34X_IRQ_GPIO); +} + +static struct i2c_board_info whistler_i2c1_board_info[] = { + { + I2C_BOARD_INFO("adxl34x", 0x1D), + .irq = TEGRA_GPIO_TO_IRQ(ADXL34X_IRQ_GPIO), + }, +}; + int __init whistler_sensors_init(void) { whistler_camera_init(); + whistler_adxl34x_init(); + + i2c_register_board_info(0, whistler_i2c1_board_info, + ARRAY_SIZE(whistler_i2c1_board_info)); + i2c_register_board_info(3, whistler_i2c3_board_info, ARRAY_SIZE(whistler_i2c3_board_info)); |