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From 7ac65416a444cf52af9e16b2ace3f26765f9c7a1 Mon Sep 17 00:00:00 2001
From: Ameya Palande <ameya.palande@nokia.com>
Date: Thu, 17 Jun 2010 18:18:42 +0300
Subject: [PATCH 07/11] omap: rx51: Platform support for lis3lv02d accelerometer
Signed-off-by: Ameya Palande <ameya.palande@nokia.com>
---
arch/arm/mach-omap2/board-rx51-peripherals.c | 88 +++++++++++++++++++++++++-
1 files changed, 87 insertions(+), 1 deletions(-)
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index bec0d39..8989119 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -37,6 +37,7 @@
#include <plat/serial.h>
#include <../drivers/staging/iio/light/tsl2563.h>
+#include <linux/lis3lv02d.h>
#include "mux.h"
#include "hsmmc.h"
@@ -54,6 +55,9 @@
#define RX51_HCI_H4P_HOSTWU_GPIO 101
#define RX51_HCI_H4P_BTWU_GPIO 37
+#define LIS302_IRQ1_GPIO 181
+#define LIS302_IRQ2_GPIO 180 /* Not yet in use */
+
/* list all spi devices here */
enum {
RX51_SPI_WL1251,
@@ -64,6 +68,77 @@ 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,
@@ -747,6 +822,16 @@ static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_2[] = {
#endif
};
+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) ||
@@ -762,7 +847,8 @@ static int __init rx51_i2c_init(void)
ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
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;
}
--
1.7.0.4
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