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Commit 3b511201 authored by Ameya Palande's avatar Ameya Palande Committed by Tony Lindgren
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ARM: OMAP: rx51: Platform support for lis3lv02d accelerometer 



Platform support for lis3lv02d accelerometer

Signed-off-by: default avatarAmeya Palande <ameya.palande@nokia.com>
Signed-off-by: default avatarTony Lindgren <tony@atomide.com>
parent a0fcda3e

arch/arm/mach-omap2/board-rx51-peripherals.c

+87 −1
Original line number Diff line number Diff line
@@ -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;

}