1 files changed, 171 insertions, 8 deletions

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index e34d96a825e3..15ce6514c5fd 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -14,28 +14,137 @@
 #include <linux/input.h>
 #include <linux/input/matrix_keypad.h>
 #include <linux/spi/spi.h>
+#include <linux/spi/wl12xx.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 <linux/gpio_keys.h>
 #include <linux/mmc/host.h>
 
-#include <mach/mcspi.h>
-#include <mach/mux.h>
-#include <mach/board.h>
-#include <mach/common.h>
-#include <mach/dma.h>
-#include <mach/gpmc.h>
-#include <mach/onenand.h>
-#include <mach/gpmc-smc91x.h>
+#include <plat/mcspi.h>
+#include <plat/mux.h>
+#include <plat/board.h>
+#include <plat/common.h>
+#include <plat/dma.h>
+#include <plat/gpmc.h>
+#include <plat/onenand.h>
+#include <plat/gpmc-smc91x.h>
 
 #include "mmc-twl4030.h"
 
 #define SYSTEM_REV_B_USES_VAUX3 0x1699
 #define SYSTEM_REV_S_USES_VAUX3 0x8
 
+#define RX51_WL1251_POWER_GPIO          87
+#define RX51_WL1251_IRQ_GPIO            42
+
+/* list all spi devices here */
+enum {
+        RX51_SPI_WL1251,
+};
+
+static struct wl12xx_platform_data wl1251_pdata;
+
+static struct omap2_mcspi_device_config wl1251_mcspi_config = {
+        .turbo_mode     = 0,
+        .single_channel = 1,
+};
+
+static struct spi_board_info rx51_peripherals_spi_board_info[] __initdata = {
+        [RX51_SPI_WL1251] = {
+                .modalias               = "wl1251",
+                .bus_num                = 4,
+                .chip_select            = 0,
+                .max_speed_hz           = 48000000,
+                .mode                   = SPI_MODE_2,
+                .controller_data        = &wl1251_mcspi_config,
+                .platform_data          = &wl1251_pdata,
+        },
+};
+
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+
+#define RX51_GPIO_CAMERA_LENS_COVER     110
+#define RX51_GPIO_CAMERA_FOCUS          68
+#define RX51_GPIO_CAMERA_CAPTURE        69
+#define RX51_GPIO_KEYPAD_SLIDE          71
+#define RX51_GPIO_LOCK_BUTTON           113
+#define RX51_GPIO_PROXIMITY             89
+
+#define RX51_GPIO_DEBOUNCE_TIMEOUT      10
+
+static struct gpio_keys_button rx51_gpio_keys[] = {
+        {
+                .desc                   = "Camera Lens Cover",
+                .type                   = EV_SW,
+                .code                   = SW_CAMERA_LENS_COVER,
+                .gpio                   = RX51_GPIO_CAMERA_LENS_COVER,
+                .active_low             = 1,
+                .debounce_interval      = RX51_GPIO_DEBOUNCE_TIMEOUT,
+        }, {
+                .desc                   = "Camera Focus",
+                .type                   = EV_KEY,
+                .code                   = KEY_CAMERA_FOCUS,
+                .gpio                   = RX51_GPIO_CAMERA_FOCUS,
+                .active_low             = 1,
+                .debounce_interval      = RX51_GPIO_DEBOUNCE_TIMEOUT,
+        }, {
+                .desc                   = "Camera Capture",
+                .type                   = EV_KEY,
+                .code                   = KEY_CAMERA,
+                .gpio                   = RX51_GPIO_CAMERA_CAPTURE,
+                .active_low             = 1,
+                .debounce_interval      = RX51_GPIO_DEBOUNCE_TIMEOUT,
+        }, {
+                .desc                   = "Lock Button",
+                .type                   = EV_KEY,
+                .code                   = KEY_SCREENLOCK,
+                .gpio                   = RX51_GPIO_LOCK_BUTTON,
+                .active_low             = 1,
+                .debounce_interval      = RX51_GPIO_DEBOUNCE_TIMEOUT,
+        }, {
+                .desc                   = "Keypad Slide",
+                .type                   = EV_SW,
+                .code                   = SW_KEYPAD_SLIDE,
+                .gpio                   = RX51_GPIO_KEYPAD_SLIDE,
+                .active_low             = 1,
+                .debounce_interval      = RX51_GPIO_DEBOUNCE_TIMEOUT,
+        }, {
+                .desc                   = "Proximity Sensor",
+                .type                   = EV_SW,
+                .code                   = SW_FRONT_PROXIMITY,
+                .gpio                   = RX51_GPIO_PROXIMITY,
+                .active_low             = 0,
+                .debounce_interval      = RX51_GPIO_DEBOUNCE_TIMEOUT,
+        }
+};
+
+static struct gpio_keys_platform_data rx51_gpio_keys_data = {
+        .buttons        = rx51_gpio_keys,
+        .nbuttons       = ARRAY_SIZE(rx51_gpio_keys),
+};
+
+static struct platform_device rx51_gpio_keys_device = {
+        .name   = "gpio-keys",
+        .id     = -1,
+        .dev    = {
+                .platform_data  = &rx51_gpio_keys_data,
+        },
+};
+
+static void __init rx51_add_gpio_keys(void)
+{
+        platform_device_register(&rx51_gpio_keys_device);
+}
+#else
+static void __init rx51_add_gpio_keys(void)
+{
+}
+#endif /* CONFIG_KEYBOARD_GPIO || CONFIG_KEYBOARD_GPIO_MODULE */
+
 static int board_keymap[] = {
         KEY(0, 0, KEY_Q),
         KEY(0, 1, KEY_O),
@@ -536,10 +645,64 @@ static inline void board_smc91x_init(void)
 
 #endif
 
+static void rx51_wl1251_set_power(bool enable)
+{
+        gpio_set_value(RX51_WL1251_POWER_GPIO, enable);
+}
+
+static void __init rx51_init_wl1251(void)
+{
+        int irq, ret;
+
+        ret = gpio_request(RX51_WL1251_POWER_GPIO, "wl1251 power");
+        if (ret < 0)
+                goto error;
+
+        ret = gpio_direction_output(RX51_WL1251_POWER_GPIO, 0);
+        if (ret < 0)
+                goto err_power;
+
+        ret = gpio_request(RX51_WL1251_IRQ_GPIO, "wl1251 irq");
+        if (ret < 0)
+                goto err_power;
+
+        ret = gpio_direction_input(RX51_WL1251_IRQ_GPIO);
+        if (ret < 0)
+                goto err_irq;
+
+        irq = gpio_to_irq(RX51_WL1251_IRQ_GPIO);
+        if (irq < 0)
+                goto err_irq;
+
+        wl1251_pdata.set_power = rx51_wl1251_set_power;
+        rx51_peripherals_spi_board_info[RX51_SPI_WL1251].irq = irq;
+
+        return;
+
+err_irq:
+        gpio_free(RX51_WL1251_IRQ_GPIO);
+
+err_power:
+        gpio_free(RX51_WL1251_POWER_GPIO);
+
+error:
+        printk(KERN_ERR "wl1251 board initialisation failed\n");
+        wl1251_pdata.set_power = NULL;
+
+        /*
+         * Now rx51_peripherals_spi_board_info[1].irq is zero and
+         * set_power is null, and wl1251_probe() will fail.
+         */
+}
+
 void __init rx51_peripherals_init(void)
 {
         rx51_i2c_init();
         board_onenand_init();
         board_smc91x_init();
+        rx51_add_gpio_keys();
+        rx51_init_wl1251();
+        spi_register_board_info(rx51_peripherals_spi_board_info,
+                                ARRAY_SIZE(rx51_peripherals_spi_board_info));
 }