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Diffstat (limited to 'arch/arm/mach-omap2/board-rx51-peripherals.c')
-rw-r--r--arch/arm/mach-omap2/board-rx51-peripherals.c179
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 e34d96a825e..15ce6514c5f 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));
}