sh: ap325rxa MMC support using spi_gpio and mmc_spi

This patch adds CN3 MMC support for ap325rxa 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>

1 files changed, 29 insertions, 0 deletions

diff --git a/arch/sh/boards/board-ap325rxa.c b/arch/sh/boards/board-ap325rxa.c
index 25a3306ce8dc..caf4c33f4e84 100644
--- a/arch/sh/boards/board-ap325rxa.c
+++ b/arch/sh/boards/board-ap325rxa.c
@@ -20,6 +20,8 @@
 #include <linux/i2c.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_gpio.h>
 #include <media/soc_camera_platform.h>
 #include <media/sh_mobile_ceu.h>
 #include <video/sh_mobile_lcdc.h>
@@ -317,6 +319,20 @@ static struct platform_device ceu_device = {
         },
 };
 
+struct spi_gpio_platform_data sdcard_cn3_platform_data = {
+        .sck = GPIO_PTD0,
+        .mosi = GPIO_PTD1,
+        .miso = GPIO_PTD2,
+        .num_chipselect = 1,
+};
+
+static struct platform_device sdcard_cn3_device = {
+        .name           = "spi_gpio",
+        .dev    = {
+                .platform_data  = &sdcard_cn3_platform_data,
+        },
+};
+
 static struct platform_device *ap325rxa_devices[] __initdata = {
         &smsc9118_device,
         &ap325rxa_nor_flash_device,
@@ -326,6 +342,7 @@ static struct platform_device *ap325rxa_devices[] __initdata = {
         &camera_device,
 #endif
         &nand_flash_device,
+        &sdcard_cn3_device,
 };
 
 static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
@@ -334,6 +351,15 @@ static struct i2c_board_info __initdata ap325rxa_i2c_devices[] = {
         },
 };
 
+static struct spi_board_info ap325rxa_spi_devices[] = {
+        {
+                .modalias = "mmc_spi",
+                .max_speed_hz = 5000000,
+                .chip_select = 0,
+                .controller_data = (void *) GPIO_PTD5,
+        },
+};
+
 static int __init ap325rxa_devices_setup(void)
 {
         /* LD3 and LD4 LEDs */
@@ -431,6 +457,9 @@ static int __init ap325rxa_devices_setup(void)
         i2c_register_board_info(0, ap325rxa_i2c_devices,
                                 ARRAY_SIZE(ap325rxa_i2c_devices));
 
+        spi_register_board_info(ap325rxa_spi_devices,
+                                ARRAY_SIZE(ap325rxa_spi_devices));
+
         return platform_add_devices(ap325rxa_devices,
                                 ARRAY_SIZE(ap325rxa_devices));
 }