omap3 evm: MMC switch support

[linux-2.6-omap-h63xx.git] / arch / arm / mach-omap2 / board-omap3evm.c

diff --git a/arch/arm/mach-omap2/board-omap3evm.c b/arch/arm/mach-omap2/board-omap3evm.c
index 657772677a347c756569e652891ca46d2d3f4086..024d7c4a409e29471bfd40863f32c698ee276c09 100644 (file)
--- a/arch/arm/mach-omap2/board-omap3evm.c
+++ b/arch/arm/mach-omap2/board-omap3evm.c
@@ -19,6 +19,7 @@
 #include <linux/err.h>
 #include <linux/clk.h>
 #include <linux/input.h>
+#include <linux/leds.h>
 
 #include <linux/spi/spi.h>
 #include <linux/spi/ads7846.h>
@@ -31,6 +32,7 @@
 
 #include <mach/gpio.h>
 #include <mach/board.h>
+#include <mach/mux.h>
 #include <mach/usb.h>
 #include <mach/common.h>
 #include <mach/mcspi.h>
@@ -87,10 +89,66 @@ static struct omap_uart_config omap3_evm_uart_config __initdata = {
        .enabled_uarts  = ((1 << 0) | (1 << 1) | (1 << 2)),
 };
 
+static struct twl4030_hsmmc_info mmc[] = {
+       {
+               .mmc            = 1,
+               .wires          = 4,
+               .gpio_cd        = -EINVAL,
+               .gpio_wp        = 63,
+       },
+       {}      /* Terminator */
+};
+
+static struct gpio_led gpio_leds[] = {
+       {
+               .name                   = "omap3evm::ledb",
+               /* normally not visible (board underside) */
+               .default_trigger        = "default-on",
+               .gpio                   = -EINVAL,      /* gets replaced */
+               .active_low             = true,
+       },
+};
+
+static struct gpio_led_platform_data gpio_led_info = {
+       .leds           = gpio_leds,
+       .num_leds       = ARRAY_SIZE(gpio_leds),
+};
+
+static struct platform_device leds_gpio = {
+       .name   = "leds-gpio",
+       .id     = -1,
+       .dev    = {
+               .platform_data  = &gpio_led_info,
+       },
+};
+
+
+static int omap3evm_twl_gpio_setup(struct device *dev,
+               unsigned gpio, unsigned ngpio)
+{
+       /* gpio + 0 is "mmc0_cd" (input/IRQ) */
+       omap_cfg_reg(L8_34XX_GPIO63);
+       mmc[0].gpio_cd = gpio + 0;
+       twl4030_mmc_init(mmc);
+
+       /* Most GPIOs are for USB OTG.  Some are mostly sent to
+        * the P2 connector; notably LEDA for the LCD backlight.
+        */
+
+       /* TWL4030_GPIO_MAX + 1 == ledB (out, active low LED) */
+       gpio_leds[2].gpio = gpio + TWL4030_GPIO_MAX + 1;
+
+       platform_device_register(&leds_gpio);
+
+       return 0;
+}
+
 static struct twl4030_gpio_platform_data omap3evm_gpio_data = {
        .gpio_base      = OMAP_MAX_GPIO_LINES,
        .irq_base       = TWL4030_GPIO_IRQ_BASE,
        .irq_end        = TWL4030_GPIO_IRQ_END,
+       .use_leds       = true,
+       .setup          = omap3evm_twl_gpio_setup,
 };
 
 static struct twl4030_usb_data omap3evm_usb_data = {
@@ -231,16 +289,6 @@ static struct platform_device *omap3_evm_devices[] __initdata = {
        &omap3evm_smc911x_device,
 };
 
-static struct twl4030_hsmmc_info mmc[] __initdata = {
-       {
-               .mmc            = 1,
-               .wires          = 4,
-               .gpio_cd        = -EINVAL,
-               .gpio_wp        = -EINVAL,
-       },
-       {}      /* Terminator */
-};
-
 static void __init omap3_evm_init(void)
 {
        omap3_evm_i2c_init();
@@ -253,7 +301,6 @@ static void __init omap3_evm_init(void)
                                ARRAY_SIZE(omap3evm_spi_board_info));
 
        omap_serial_init();
-       twl4030_mmc_init(mmc);
        usb_musb_init();
        usb_ehci_init();
        omap3evm_flash_init();