ARM: OMAP3: rx51: enable tsc2005 touchscreen
Enable TSC2005 touchscreen driver on the RX-51 board by providing the needed platform data. Signed-off-by: Aaro Koskinen <aaro.koskinen@nokia.com> Reviewed-by: Sebastian Reichel <sre@debian.org> Signed-off-by: Tony Lindgren <tony@atomide.com>
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@ -15,6 +15,7 @@
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#include <linux/input/matrix_keypad.h>
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#include <linux/spi/spi.h>
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#include <linux/wl12xx.h>
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#include <linux/spi/tsc2005.h>
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#include <linux/i2c.h>
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#include <linux/i2c/twl.h>
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#include <linux/clk.h>
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@ -58,6 +59,9 @@
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#define RX51_USB_TRANSCEIVER_RST_GPIO 67
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#define RX51_TSC2005_RESET_GPIO 104
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#define RX51_TSC2005_IRQ_GPIO 100
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/* list all spi devices here */
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enum {
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RX51_SPI_WL1251,
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@ -66,6 +70,7 @@ enum {
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};
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static struct wl12xx_platform_data wl1251_pdata;
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static struct tsc2005_platform_data tsc2005_pdata;
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#if defined(CONFIG_SENSORS_TSL2563) || defined(CONFIG_SENSORS_TSL2563_MODULE)
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static struct tsl2563_platform_data rx51_tsl2563_platform_data = {
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@ -167,10 +172,10 @@ static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
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.modalias = "tsc2005",
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.bus_num = 1,
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.chip_select = 0,
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/* .irq = OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO),*/
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.irq = OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO),
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.max_speed_hz = 6000000,
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.controller_data = &tsc2005_mcspi_config,
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/* .platform_data = &tsc2005_config,*/
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.platform_data = &tsc2005_pdata,
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},
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};
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@ -1086,6 +1091,42 @@ error:
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*/
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}
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static struct tsc2005_platform_data tsc2005_pdata = {
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.ts_pressure_max = 2048,
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.ts_pressure_fudge = 2,
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.ts_x_max = 4096,
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.ts_x_fudge = 4,
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.ts_y_max = 4096,
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.ts_y_fudge = 7,
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.ts_x_plate_ohm = 280,
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.esd_timeout_ms = 8000,
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};
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static void rx51_tsc2005_set_reset(bool enable)
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{
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gpio_set_value(RX51_TSC2005_RESET_GPIO, enable);
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}
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static void __init rx51_init_tsc2005(void)
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{
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int r;
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r = gpio_request_one(RX51_TSC2005_IRQ_GPIO, GPIOF_IN, "tsc2005 IRQ");
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if (r < 0) {
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printk(KERN_ERR "unable to get %s GPIO\n", "tsc2005 IRQ");
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rx51_peripherals_spi_board_info[RX51_SPI_TSC2005].irq = 0;
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}
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r = gpio_request_one(RX51_TSC2005_RESET_GPIO, GPIOF_OUT_INIT_HIGH,
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"tsc2005 reset");
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if (r >= 0) {
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tsc2005_pdata.set_reset = rx51_tsc2005_set_reset;
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} else {
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printk(KERN_ERR "unable to get %s GPIO\n", "tsc2005 reset");
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tsc2005_pdata.esd_timeout_ms = 0;
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}
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}
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void __init rx51_peripherals_init(void)
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{
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rx51_i2c_init();
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@ -1094,6 +1135,7 @@ void __init rx51_peripherals_init(void)
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board_smc91x_init();
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rx51_add_gpio_keys();
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rx51_init_wl1251();
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rx51_init_tsc2005();
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rx51_init_si4713();
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spi_register_board_info(rx51_peripherals_spi_board_info,
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ARRAY_SIZE(rx51_peripherals_spi_board_info));
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