X-Git-Url: http://www.pilppa.org/gitweb/gitweb.cgi?p=linux-2.6-omap-h63xx.git;a=blobdiff_plain;f=arch%2Farm%2Fmach-omap2%2Fboard-rx51-peripherals.c;fp=arch%2Farm%2Fmach-omap2%2Fboard-rx51-peripherals.c;h=22183aff1669fafb32d5f6a0dd5da8c42c208997;hp=a7381729645cf5c4deeaf23e895c21ee1306b613;hb=b934c987ee1764eb09b8843a3ee00eabc24bd52c;hpb=14fc69723d3442ef46f8f82b3f481e82f06a346d

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index a7381729645..22183aff166 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -13,29 +13,34 @@
 #include <linux/platform_device.h>
 #include <linux/input.h>
 #include <linux/spi/spi.h>
+#include <linux/spi/tsc2005.h>
 #include <linux/i2c.h>
 #include <linux/i2c/twl4030.h>
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/regulator/machine.h>
-#include <linux/gpio.h>
 
 #include <mach/mcspi.h>
+#include <mach/gpio.h>
 #include <mach/mux.h>
 #include <mach/board.h>
 #include <mach/common.h>
 #include <mach/dma.h>
 #include <mach/gpmc.h>
-#include <mach/keypad.h>
 
 #include "mmc-twl4030.h"
 
+#define SYSTEM_REV_B_USES_VAUX3 0x1699
+#define SYSTEM_REV_S_USES_VAUX3 0x8
 
 #define SMC91X_CS			1
 #define SMC91X_GPIO_IRQ			54
 #define SMC91X_GPIO_RESET		164
 #define SMC91X_GPIO_PWRDWN		86
 
+#define RX51_TSC2005_RESET_GPIO		104
+#define RX51_TSC2005_IRQ_GPIO		100
+
 static struct resource rx51_smc91x_resources[] = {
 	[0] = {
 		.flags		= IORESOURCE_MEM,
@@ -52,6 +57,38 @@ static struct platform_device rx51_smc91x_device = {
 	.resource	= rx51_smc91x_resources,
 };
 
+static struct tsc2005_platform_data tsc2005_config = {
+	.reset_gpio		= RX51_TSC2005_RESET_GPIO, /* not used */
+
+	.ts_x_plate_ohm		= 280,
+	.ts_hw_avg		= 0,
+	.ts_touch_pressure	= 1500,
+	.ts_stab_time		= 1000,
+	.ts_pressure_max	= 2048,
+	.ts_pressure_fudge	= 2,
+	.ts_x_max		= 4096,
+	.ts_x_fudge		= 4,
+	.ts_y_max		= 4096,
+	.ts_y_fudge		= 7,
+};
+
+static struct omap2_mcspi_device_config tsc2005_mcspi_config = {
+	.turbo_mode	= 0,
+	.single_channel = 1,
+};
+
+static struct spi_board_info rx51_peripherals_spi_board_info[] = {
+	[0] = {
+		.modalias		= "tsc2005",
+		.bus_num		= 1,
+		.chip_select		= 0,
+		.irq			= OMAP_GPIO_IRQ(RX51_TSC2005_IRQ_GPIO),
+		.max_speed_hz		= 6000000,
+		.controller_data	= &tsc2005_mcspi_config,
+		.platform_data		= &tsc2005_config,
+	},
+};
+
 static int rx51_keymap[] = {
 	KEY(0, 0, KEY_Q),
 	KEY(0, 1, KEY_W),
@@ -199,6 +236,18 @@ free1:
 	printk(KERN_ERR "Could not initialize smc91x\n");
 }
 
+static void __init rx51_init_tsc2005(void)
+{
+	int r;
+
+	r = gpio_request(RX51_TSC2005_IRQ_GPIO, "tsc2005 DAV IRQ");
+	if (r >= 0) {
+		gpio_direction_input(RX51_TSC2005_IRQ_GPIO);
+	} else {
+		printk(KERN_ERR "unable to get DAV GPIO");
+	}
+}
+
 static struct twl4030_madc_platform_data rx51_madc_data = {
 	.irq_line		= 1,
 };
@@ -259,7 +308,7 @@ static struct regulator_init_data rx51_vaux2 = {
 };
 
 /* VAUX3 - adds more power to VIO_18 rail */
-static struct regulator_init_data rx51_vaux3 = {
+static struct regulator_init_data rx51_vaux3_cam = {
 	.constraints = {
 		.name			= "VCAM_DIG_18",
 		.min_uV			= 1800000,
@@ -272,6 +321,22 @@ static struct regulator_init_data rx51_vaux3 = {
 	},
 };
 
+static struct regulator_init_data rx51_vaux3_mmc = {
+	.constraints = {
+		.name			= "VMMC2_30",
+		.min_uV			= 2800000,
+		.max_uV			= 3000000,
+		.apply_uV		= true,
+		.valid_modes_mask	= REGULATOR_MODE_NORMAL
+					| REGULATOR_MODE_STANDBY,
+		.valid_ops_mask		= REGULATOR_CHANGE_VOLTAGE
+					| REGULATOR_CHANGE_MODE
+					| REGULATOR_CHANGE_STATUS,
+	},
+	.num_consumer_supplies	= 1,
+	.consumer_supplies	= &rx51_vmmc2_supply,
+};
+
 static struct regulator_init_data rx51_vaux4 = {
 	.constraints = {
 		.name			= "VCAM_ANA_28",
@@ -382,10 +447,8 @@ static struct twl4030_platform_data rx51_twldata = {
 
 	.vaux1			= &rx51_vaux1,
 	.vaux2			= &rx51_vaux2,
-	.vaux3			= &rx51_vaux3,
 	.vaux4			= &rx51_vaux4,
 	.vmmc1			= &rx51_vmmc1,
-	.vmmc2			= &rx51_vmmc2,
 	.vsim			= &rx51_vsim,
 	.vdac			= &rx51_vdac,
 };
@@ -401,6 +464,13 @@ static struct i2c_board_info __initdata rx51_peripherals_i2c_board_info_1[] = {
 
 static int __init rx51_i2c_init(void)
 {
+	if ((system_rev >= SYSTEM_REV_S_USES_VAUX3 && system_rev < 0x100) ||
+	    system_rev >= SYSTEM_REV_B_USES_VAUX3)
+		rx51_twldata.vaux3 = &rx51_vaux3_mmc;
+	else {
+		rx51_twldata.vaux3 = &rx51_vaux3_cam;
+		rx51_twldata.vmmc2 = &rx51_vmmc2;
+	}
 	omap_register_i2c_bus(1, 2600, rx51_peripherals_i2c_board_info_1,
 			ARRAY_SIZE(rx51_peripherals_i2c_board_info_1));
 	omap_register_i2c_bus(2, 100, NULL, 0);
@@ -413,7 +483,10 @@ void __init rx51_peripherals_init(void)
 {
 	platform_add_devices(rx51_peripherals_devices,
 				ARRAY_SIZE(rx51_peripherals_devices));
+	spi_register_board_info(rx51_peripherals_spi_board_info,
+				ARRAY_SIZE(rx51_peripherals_spi_board_info));
 	rx51_i2c_init();
 	rx51_init_smc91x();
+	rx51_init_tsc2005();
 }