sh: Migo-R MMC support using spi_gpio and mmc_spi.

This patch adds CN9 MMC support for MigoR using the mmc_spi
driver on top of the bitbanging spi_gpio driver.

Signed-off-by: Magnus Damm <damm@igel.co.jp>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/boards/mach-migor/setup.c

@@ -18,10 +18,12 @@
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_gpio.h>
+#include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
 #include <media/ov772x.h>
 #include <media/tw9910.h>
-#include <video/sh_mobile_lcdc.h>
 #include <asm/clock.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
@@ -395,13 +397,28 @@ static struct tw9910_video_info tw9910_info = {
 	}
 };
 
+struct spi_gpio_platform_data sdcard_cn9_platform_data = {
+	.sck = GPIO_PTD0,
+	.mosi = GPIO_PTD1,
+	.miso = GPIO_PTD2,
+	.num_chipselect = 1,
+};
+
+static struct platform_device sdcard_cn9_device = {
+	.name		= "spi_gpio",
+	.dev	= {
+		.platform_data	= &sdcard_cn9_platform_data,
+	},
+};
+
 static struct platform_device *migor_devices[] __initdata = {
 	&smc91x_eth_device,
 	&sh_keysc_device,
 	&migor_lcdc_device,
 	&migor_ceu_device,
 	&migor_nor_flash_device,
 	&migor_nand_flash_device,
+	&sdcard_cn9_device,
 };
 
 static struct i2c_board_info migor_i2c_devices[] = {
@@ -422,6 +439,15 @@ static struct i2c_board_info migor_i2c_devices[] = {
 	},
 };
 
+static struct spi_board_info migor_spi_devices[] = {
+	{
+		.modalias = "mmc_spi",
+		.max_speed_hz = 5000000,
+		.chip_select = 0,
+		.controller_data = (void *) GPIO_PTD5,
+	},
+};
+
 static int __init migor_devices_setup(void)
 {
 	/* Lit D11 LED */
@@ -544,6 +570,9 @@ static int __init migor_devices_setup(void)
 	i2c_register_board_info(0, migor_i2c_devices,
 				ARRAY_SIZE(migor_i2c_devices));
 
+	spi_register_board_info(migor_spi_devices,
+				ARRAY_SIZE(migor_spi_devices));
+
 	return platform_add_devices(migor_devices, ARRAY_SIZE(migor_devices));
 }
 __initcall(migor_devices_setup);