Merge branch 'for-rmk' of git://git.pengutronix.de/git/imx/linux-2.6 into devel-stable

[pandora-kernel.git] / arch / arm / mach-imx / mach-mx27_3ds.c

diff --git a/arch/arm/mach-imx/mach-mx27_3ds.c b/arch/arm/mach-imx/mach-mx27_3ds.c
index e66ffaa..84a5ba0 100644 (file)
--- a/arch/arm/mach-imx/mach-mx27_3ds.c
+++ b/arch/arm/mach-imx/mach-mx27_3ds.c
@@ -23,17 +23,21 @@
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/input/matrix_keypad.h>
+#include <linux/irq.h>
 #include <asm/mach-types.h>
 #include <asm/mach/arch.h>
 #include <asm/mach/time.h>
 #include <mach/hardware.h>
 #include <mach/common.h>
 #include <mach/iomux-mx27.h>
+#include <mach/mmc.h>
 
 #include "devices-imx27.h"
 #include "devices.h"
 
-static unsigned int mx27pdk_pins[] = {
+#define SD1_EN_GPIO (GPIO_PORTB + 25)
+
+static const int mx27pdk_pins[] __initconst = {
        /* UART1 */
        PE12_PF_UART1_TXD,
        PE13_PF_UART1_RXD,
@@ -58,16 +62,20 @@ static unsigned int mx27pdk_pins[] = {
        PD15_AOUT_FEC_COL,
        PD16_AIN_FEC_TX_ER,
        PF23_AIN_FEC_TX_EN,
+       /* SDHC1 */
+       PE18_PF_SD1_D0,
+       PE19_PF_SD1_D1,
+       PE20_PF_SD1_D2,
+       PE21_PF_SD1_D3,
+       PE22_PF_SD1_CMD,
+       PE23_PF_SD1_CLK,
+       SD1_EN_GPIO | GPIO_GPIO | GPIO_OUT,
 };
 
 static const struct imxuart_platform_data uart_pdata __initconst = {
        .flags = IMXUART_HAVE_RTSCTS,
 };
 
-static struct platform_device *platform_devices[] __initdata = {
-       &mxc_fec_device,
-};
-
 /*
  * Matrix keyboard
  */
@@ -89,13 +97,39 @@ static struct matrix_keymap_data mx27_3ds_keymap_data = {
        .keymap_size    = ARRAY_SIZE(mx27_3ds_keymap),
 };
 
+static int mx27_3ds_sdhc1_init(struct device *dev, irq_handler_t detect_irq,
+                               void *data)
+{
+       return request_irq(IRQ_GPIOB(26), detect_irq, IRQF_TRIGGER_FALLING |
+                       IRQF_TRIGGER_RISING, "sdhc1-card-detect", data);
+}
+
+static void mx27_3ds_sdhc1_exit(struct device *dev, void *data)
+{
+       free_irq(IRQ_GPIOB(26), data);
+}
+
+static struct imxmmc_platform_data sdhc1_pdata = {
+       .init = mx27_3ds_sdhc1_init,
+       .exit = mx27_3ds_sdhc1_exit,
+};
+
+static void mx27_3ds_sdhc1_enable_level_translator(void)
+{
+       /* Turn on TXB0108 OE pin */
+       gpio_request(SD1_EN_GPIO, "sd1_enable");
+       gpio_direction_output(SD1_EN_GPIO, 1);
+}
+
 static void __init mx27pdk_init(void)
 {
        mxc_gpio_setup_multiple_pins(mx27pdk_pins, ARRAY_SIZE(mx27pdk_pins),
                "mx27pdk");
+       mx27_3ds_sdhc1_enable_level_translator();
        imx27_add_imx_uart0(&uart_pdata);
-       platform_add_devices(platform_devices, ARRAY_SIZE(platform_devices));
+       imx27_add_fec(NULL);
        mxc_register_device(&imx_kpp_device, &mx27_3ds_keymap_data);
+       mxc_register_device(&mxc_sdhc_device0, &sdhc1_pdata);
 }
 
 static void __init mx27pdk_timer_init(void)
@@ -109,8 +143,6 @@ static struct sys_timer mx27pdk_timer = {
 
 MACHINE_START(MX27_3DS, "Freescale MX27PDK")
        /* maintainer: Freescale Semiconductor, Inc. */
-       .phys_io        = MX27_AIPI_BASE_ADDR,
-       .io_pg_offst    = ((MX27_AIPI_BASE_ADDR_VIRT) >> 18) & 0xfffc,
        .boot_params    = MX27_PHYS_OFFSET + 0x100,
        .map_io         = mx27_map_io,
        .init_irq       = mx27_init_irq,