[PATCH V4 2/2] omap4: platform changes for CMA3000

Hemanth V
2010-11-29T10:57:49Z

>From 8082870cc704d901d98cf0d6af90e45860927ceb Mon Sep 17 00:00:00 2001
From: Hemanth V <hemanthv@ti.com>
Date: Thu, 26 Aug 2010 17:49:12 +0530
Subject: [PATCH] Platform changes for CMA3000 Accelerometer driver

Update 4430 SDP board file with platform data for accelerometer driver
and select the driver in kconfig

Signed-off-by: Hemanth V <hemanthv@ti.com>
---
arch/arm/mach-omap2/Kconfig | 2 ++
arch/arm/mach-omap2/board-4430sdp.c | 30 ++++++++++++++++++++++++++++++
2 files changed, 32 insertions(+), 0 deletions(-)

diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index a928fd6..e87c049 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -255,6 +255,8 @@ config MACH_OMAP_4430SDP
depends on ARCH_OMAP4
select INPUT_TOUCHSCREEN
select TOUCHSCREEN_SYNTM12XX
+ select INPUT_MISC
+ select INPUT_CMA3000
+ select INPUT_CMA3000_I2C

config MACH_OMAP4_PANDA
bool "OMAP4 Panda Board"
diff --git a/arch/arm/mach-omap2/board-4430sdp.c b/arch/arm/mach-omap2/board-4430sdp.c
index ed78cdb..8b94f1f 100644
--- a/arch/arm/mach-omap2/board-4430sdp.c
+++ b/arch/arm/mach-omap2/board-4430sdp.c
@@ -23,6 +23,8 @@
#include <linux/gpio_keys.h>
#include <linux/regulator/machine.h>
#include <linux/leds.h>
+#include <linux/input/cma3000.h>
+#include <linux/interrupt.h>

#include <mach/hardware.h>
#include <mach/omap4-common.h>
@@ -44,6 +46,7 @@
#define ETH_KS8851_QUART 138
#define OMAP4SDP_MDM_PWR_EN_GPIO 157
#define OMAP4_SFH7741_SENSOR_OUTPUT_GPIO 184
+#define OMAP4_CMA3000ACCL_GPIO 186
#define OMAP4_SFH7741_ENABLE_GPIO 188

static struct gpio_led sdp4430_gpio_leds[] = {
@@ -485,6 +488,27 @@ static struct twl4030_platform_data sdp4430_twldata = {
.vaux3 = &sdp4430_vaux3,
};

+static struct cma3000_platform_data cma3000_platform_data = {
+ .fuzz_x = 25,
+ .fuzz_y = 25,
+ .fuzz_z = 25,
+ .g_range = CMARANGE_8G,
+ .mode = CMAMODE_MOTDET,
+ .mdthr = 0x8,
+ .mdfftmr = 0x33,
+ .ffthr = 0x8,
+ .irqflags = IRQF_TRIGGER_HIGH,
+};
+
+static void omap_cma3000accl_init(void)
+{
+ if (gpio_request(OMAP4_CMA3000ACCL_GPIO, "Accelerometer") < 0) {
+ pr_err("Accelerometer GPIO request failed\n");
+ return;
+ }
+ gpio_direction_input(OMAP4_CMA3000ACCL_GPIO);
+}
+
static struct i2c_board_info __initdata sdp4430_i2c_boardinfo[] = {
{
I2C_BOARD_INFO("twl6030", 0x48),
@@ -518,6 +542,11 @@ static struct i2c_board_info __initdata sdp4430_i2c_4_boardinfo[] = {
{
I2C_BOARD_INFO("hmc5843", 0x1e),
},
+ {
+ I2C_BOARD_INFO("cma3000_d01", 0x1c),
+ .platform_data = &cma3000_platform_data,
+ .irq = OMAP_GPIO_IRQ(OMAP4_CMA3000ACCL_GPIO),
+ },
};

static const struct ehci_hcd_omap_platform_data ehci_pdata __initconst = {
@@ -570,6 +599,7 @@ static void __init omap_sfh7741prox_init(void)
__func__, OMAP4_SFH7741_ENABLE_GPIO, error);
gpio_free(OMAP4_SFH7741_ENABLE_GPIO);
}
+ omap_cma3000accl_init();
}

static void __init omap_4430sdp_init(void)
--
1.5.4.3