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ARM: OMAP: rx51: Platform support for lis3lv02d accelerometer 

Platform support for lis3lv02d accelerometer

Signed-off-by: Ameya Palande <ameya.palande@nokia.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
hifive-unleashed-5.1
Ameya Palande 2012-05-09 14:19:15 -07:00 committed by Tony Lindgren
parent a0fcda3e12
commit 3b51120115
1 changed files with 87 additions and 1 deletions
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88
arch/arm/mach-omap2/board-rx51-peripherals.c
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@ -44,6 +44,7 @@
#include <linux/leds-lp5523.h>
#include <../drivers/staging/iio/light/tsl2563.h>
#include <linux/lis3lv02d.h>
#include "mux.h"
#include "hsmmc.h"
@ -63,6 +64,9 @@
#define RX51_TSC2005_RESET_GPIO 104
#define RX51_TSC2005_IRQ_GPIO 100
#define LIS302_IRQ1_GPIO 181
#define LIS302_IRQ2_GPIO 180 /* Not yet in use */
/* list all spi devices here */
enum {
RX51_SPI_WL1251,
@ -73,6 +77,77 @@ enum {
static struct wl12xx_platform_data wl1251_pdata;
static struct tsc2005_platform_data tsc2005_pdata;
#if defined(CONFIG_SENSORS_LIS3_I2C) || defined(CONFIG_SENSORS_LIS3_I2C_MODULE)
static int lis302_setup(void)
{
int err;
int irq1 = LIS302_IRQ1_GPIO;
int irq2 = LIS302_IRQ2_GPIO;
/* gpio for interrupt pin 1 */
err = gpio_request(irq1, "lis3lv02dl_irq1");
if (err) {
printk(KERN_ERR "lis3lv02dl: gpio request failed\n");
goto out;
}
/* gpio for interrupt pin 2 */
err = gpio_request(irq2, "lis3lv02dl_irq2");
if (err) {
gpio_free(irq1);
printk(KERN_ERR "lis3lv02dl: gpio request failed\n");
goto out;
}
gpio_direction_input(irq1);
gpio_direction_input(irq2);
out:
return err;
}
static int lis302_release(void)
{
gpio_free(LIS302_IRQ1_GPIO);
gpio_free(LIS302_IRQ2_GPIO);
return 0;
}
static struct lis3lv02d_platform_data rx51_lis3lv02d_data = {
.click_flags = LIS3_CLICK_SINGLE_X | LIS3_CLICK_SINGLE_Y |
LIS3_CLICK_SINGLE_Z,
/* Limits are 0.5g * value */
.click_thresh_x = 8,
.click_thresh_y = 8,
.click_thresh_z = 10,
/* Click must be longer than time limit */
.click_time_limit = 9,
/* Kind of debounce filter */
.click_latency = 50,
/* Limits for all axis. millig-value / 18 to get HW values */
.wakeup_flags = LIS3_WAKEUP_X_HI | LIS3_WAKEUP_Y_HI,
.wakeup_thresh = 800 / 18,
.wakeup_flags2 = LIS3_WAKEUP_Z_HI ,
.wakeup_thresh2 = 900 / 18,
.hipass_ctrl = LIS3_HIPASS1_DISABLE | LIS3_HIPASS2_DISABLE,
/* Interrupt line 2 for click detection, line 1 for thresholds */
.irq_cfg = LIS3_IRQ2_CLICK | LIS3_IRQ1_FF_WU_12,
.axis_x = LIS3_DEV_X,
.axis_y = LIS3_INV_DEV_Y,
.axis_z = LIS3_INV_DEV_Z,
.setup_resources = lis302_setup,
.release_resources = lis302_release,
.st_min_limits = {-32, 3, 3},
.st_max_limits = {-3, 32, 32},
.irq2 = OMAP_GPIO_IRQ(LIS302_IRQ2_GPIO),
};
#endif
#if defined(CONFIG_SENSORS_TSL2563) || defined(CONFIG_SENSORS_TSL2563_MODULE)
static struct tsl2563_platform_data rx51_tsl2563_platform_data = {
.cover_comp_gain = 16,
@ -950,6 +1025,16 @@ static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_2[] = {
}
};
static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_3[] = {
#if defined(CONFIG_SENSORS_LIS3_I2C) || defined(CONFIG_SENSORS_LIS3_I2C_MODULE)
{
I2C_BOARD_INFO("lis3lv02d", 0x1d),
.platform_data = &rx51_lis3lv02d_data,
.irq = OMAP_GPIO_IRQ(LIS302_IRQ1_GPIO),
},
#endif
};
static int __init rx51_i2c_init(void)
{
if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
@ -971,7 +1056,8 @@ static int __init rx51_i2c_init(void)
omap_pmic_init(1, 2200, "twl5030", INT_34XX_SYS_NIRQ, &rx51_twldata);
omap_register_i2c_bus(2, 100, rx51_peripherals_i2c_board_info_2,
ARRAY_SIZE(rx51_peripherals_i2c_board_info_2));
omap_register_i2c_bus(3, 400, NULL, 0);
omap_register_i2c_bus(3, 400, rx51_peripherals_i2c_board_info_3,
ARRAY_SIZE(rx51_peripherals_i2c_board_info_3));
return 0;
}