]> www.pilppa.org Git - linux-2.6-omap-h63xx.git/blobdiff - arch/arm/mach-omap2/board-rx51-peripherals.c
Extra omap code in linux-omap tree
[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap2 / board-rx51-peripherals.c
index a7381729645cf5c4deeaf23e895c21ee1306b613..22183aff1669fafb32d5f6a0dd5da8c42c208997 100644 (file)
 #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();
 }