To support tsc2005 driver on rx51,added tsc2005
intialization data ,functions to enable/disable
tsc2005 and loading driver on rx51.
Signed-off-by: Srikar ext-srikar.1.bhavanaray...@nokia.com
---
arch/arm/mach-omap2/board-rx51-peripherals.c | 46 -
1 files changed, 44 insertions(+), 2 deletions(-)
diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c
b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 3fec4d6..e56d6d7 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -15,6 +15,7 @@
#include linux/input/matrix_keypad.h
#include linux/spi/spi.h
#include linux/wl12xx.h
+#include linux/spi/tsc2005.h
#include linux/i2c.h
#include linux/i2c/twl.h
#include linux/clk.h
@@ -49,6 +50,9 @@
#define RX51_WL1251_POWER_GPIO 87
#define RX51_WL1251_IRQ_GPIO 42
+#define RX51_TSC2005_RESET_GPIO104
+#define RX51_TSC2005_IRQ_GPIO 100
+
/* list all spi devices here */
enum {
RX51_SPI_WL1251,
@@ -57,6 +61,7 @@ enum {
};
static struct wl12xx_platform_data wl1251_pdata;
+static struct tsc2005_platform_data tsc2005_pdata;
#if defined(CONFIG_SENSORS_TSL2563) || defined(CONFIG_SENSORS_TSL2563_MODULE)
static struct tsl2563_platform_data rx51_tsl2563_platform_data = {
@@ -100,10 +105,10 @@ static struct spi_board_info
rx51_peripherals_spi_board_info[] __initdata = {
.modalias = tsc2005,
.bus_num= 1,
.chip_select= 0,
- /* .irq = OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO),*/
+ .irq= OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO),
.max_speed_hz = 600,
.controller_data= tsc2005_mcspi_config,
- /* .platform_data = tsc2005_config,*/
+ .platform_data = tsc2005_pdata,
},
};
@@ -836,6 +841,42 @@ static inline void board_onenand_init(void)
#endif
+static struct tsc2005_platform_data tsc2005_pdata = {
+ .ts_pressure_max = 2048,
+ .ts_pressure_fudge = 2,
+ .ts_x_max = 4096,
+ .ts_x_fudge= 4,
+ .ts_y_max = 4096,
+ .ts_y_fudge= 7,
+ .ts_x_plate_ohm= 280,
+ .esd_timeout_ms= 8000,
+};
+
+static void rx51_tsc2005_set_reset(bool enable)
+{
+ gpio_set_value(RX51_TSC2005_RESET_GPIO, enable);
+}
+
+static void __init rx51_init_tsc2005(void)
+{
+ int r;
+
+ r = gpio_request(RX51_TSC2005_IRQ_GPIO, tsc2005 IRQ);
+ if (r = 0)
+ gpio_direction_input(RX51_TSC2005_IRQ_GPIO);
+ else
+ printk(KERN_ERR unable to get %s GPIO\n, tsc2005 IRQ);
+
+ r = gpio_request(RX51_TSC2005_RESET_GPIO, tsc2005 reset);
+ if (r = 0) {
+ gpio_direction_output(RX51_TSC2005_RESET_GPIO, 1);
+ tsc2005_pdata.set_reset = rx51_tsc2005_set_reset;
+ } else {
+ printk(KERN_ERR unable to get %s GPIO\n, tsc2005 reset);
+ tsc2005_pdata.esd_timeout_ms = 0;
+ }
+}
+
#if defined(CONFIG_SMC91X) || defined(CONFIG_SMC91X_MODULE)
static struct omap_smc91x_platform_data board_smc91x_data = {
@@ -920,6 +961,7 @@ void __init rx51_peripherals_init(void)
board_smc91x_init();
rx51_add_gpio_keys();
rx51_init_wl1251();
+ rx51_init_tsc2005();
spi_register_board_info(rx51_peripherals_spi_board_info,
ARRAY_SIZE(rx51_peripherals_spi_board_info));
omap2_hsmmc_init(mmc);
--
1.7.1
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