sh: Add support MMCIF for ecovec

This patch adds MMCIF platform data for the Ecovec board.

Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

1 files changed, 84 insertions, 2 deletions

diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 3845258242ac..778eb7cb9873 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -12,6 +12,8 @@
 #include <linux/device.h>
 #include <linux/platform_device.h>
 #include <linux/mfd/sh_mobile_sdhi.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/sh_mmcif.h>
 #include <linux/mtd/physmap.h>
 #include <linux/gpio.h>
 #include <linux/interrupt.h>
@@ -435,7 +437,7 @@ static struct i2c_board_info ts_i2c_clients = {
 };
 
 #ifdef CONFIG_MFD_SH_MOBILE_SDHI
-/* SHDI0 */
+/* SDHI0 */
 static void sdhi0_set_pwr(struct platform_device *pdev, int state)
 {
         gpio_set_value(GPIO_PTB6, state);
@@ -473,7 +475,8 @@ static struct platform_device sdhi0_device = {
         },
 };
 
-/* SHDI1 */
+#if !defined(CONFIG_MMC_SH_MMCIF)
+/* SDHI1 */
 static void sdhi1_set_pwr(struct platform_device *pdev, int state)
 {
         gpio_set_value(GPIO_PTB7, state);
@@ -510,6 +513,7 @@ static struct platform_device sdhi1_device = {
                 .hwblk_id = HWBLK_SDHI1,
         },
 };
+#endif /* CONFIG_MMC_SH_MMCIF */
 
 #else
 
@@ -818,6 +822,58 @@ static struct platform_device vou_device = {
         },
 };
 
+#if defined(CONFIG_MMC_SH_MMCIF)
+/* SH_MMCIF */
+static void mmcif_set_pwr(struct platform_device *pdev, int state)
+{
+        gpio_set_value(GPIO_PTB7, state);
+}
+
+static void mmcif_down_pwr(struct platform_device *pdev)
+{
+        gpio_set_value(GPIO_PTB7, 0);
+}
+
+static struct resource sh_mmcif_resources[] = {
+        [0] = {
+                .name   = "SH_MMCIF",
+                .start  = 0xA4CA0000,
+                .end    = 0xA4CA00FF,
+                .flags  = IORESOURCE_MEM,
+        },
+        [1] = {
+                /* MMC2I */
+                .start  = 29,
+                .flags  = IORESOURCE_IRQ,
+        },
+        [2] = {
+                /* MMC3I */
+                .start  = 30,
+                .flags  = IORESOURCE_IRQ,
+        },
+};
+
+struct sh_mmcif_plat_data sh_mmcif_plat = {
+        .set_pwr        = mmcif_set_pwr,
+        .down_pwr       = mmcif_down_pwr,
+        .sup_pclk       = 0, /* SH7724: Max Pclk/2 */
+        .caps           = MMC_CAP_4_BIT_DATA |
+                          MMC_CAP_8_BIT_DATA |
+                          MMC_CAP_NEEDS_POLL,
+        .ocr            = MMC_VDD_32_33 | MMC_VDD_33_34,
+};
+
+static struct platform_device sh_mmcif_device = {
+        .name           = "sh_mmcif",
+        .id             = 0,
+        .dev            = {
+                .platform_data          = &sh_mmcif_plat,
+        },
+        .num_resources  = ARRAY_SIZE(sh_mmcif_resources),
+        .resource       = sh_mmcif_resources,
+};
+#endif
+
 static struct platform_device *ecovec_devices[] __initdata = {
         &heartbeat_device,
         &nor_flash_device,
@@ -830,7 +886,9 @@ static struct platform_device *ecovec_devices[] __initdata = {
         &keysc_device,
 #ifdef CONFIG_MFD_SH_MOBILE_SDHI
         &sdhi0_device,
+#if !defined(CONFIG_MMC_SH_MMCIF)
         &sdhi1_device,
+#endif
 #else
         &msiof0_device,
 #endif
@@ -840,6 +898,9 @@ static struct platform_device *ecovec_devices[] __initdata = {
         &fsi_device,
         &irda_device,
         &vou_device,
+#if defined(CONFIG_MMC_SH_MMCIF)
+        &sh_mmcif_device,
+#endif
 };
 
 #ifdef CONFIG_I2C
@@ -1133,6 +1194,7 @@ static int __init arch_setup(void)
         gpio_request(GPIO_PTB6, NULL);
         gpio_direction_output(GPIO_PTB6, 0);
 
+#if !defined(CONFIG_MMC_SH_MMCIF)
         /* enable SDHI1 on CN12 (needs DS2.6,7 set to ON,OFF) */
         gpio_request(GPIO_FN_SDHI1CD,  NULL);
         gpio_request(GPIO_FN_SDHI1WP,  NULL);
@@ -1147,6 +1209,7 @@ static int __init arch_setup(void)
 
         /* I/O buffer drive ability is high for SDHI1 */
         __raw_writew((__raw_readw(IODRIVEA) & ~0x3000) | 0x2000 , IODRIVEA);
+#endif /* CONFIG_MMC_SH_MMCIF */
 #else
         /* enable MSIOF0 on CN11 (needs DS2.4 set to OFF) */
         gpio_request(GPIO_FN_MSIOF0_TXD, NULL);
@@ -1222,6 +1285,25 @@ static int __init arch_setup(void)
         gpio_request(GPIO_PTU5, NULL);
         gpio_direction_output(GPIO_PTU5, 0);
 
+#if defined(CONFIG_MMC_SH_MMCIF)
+        /* enable MMCIF (needs DS2.6,7 set to OFF,ON) */
+        gpio_request(GPIO_FN_MMC_D7, NULL);
+        gpio_request(GPIO_FN_MMC_D6, NULL);
+        gpio_request(GPIO_FN_MMC_D5, NULL);
+        gpio_request(GPIO_FN_MMC_D4, NULL);
+        gpio_request(GPIO_FN_MMC_D3, NULL);
+        gpio_request(GPIO_FN_MMC_D2, NULL);
+        gpio_request(GPIO_FN_MMC_D1, NULL);
+        gpio_request(GPIO_FN_MMC_D0, NULL);
+        gpio_request(GPIO_FN_MMC_CLK, NULL);
+        gpio_request(GPIO_FN_MMC_CMD, NULL);
+        gpio_request(GPIO_PTB7, NULL);
+        gpio_direction_output(GPIO_PTB7, 0);
+
+        /* I/O buffer drive ability is high for MMCIF */
+        __raw_writew((__raw_readw(IODRIVEA) & ~0x3000) | 0x2000 , IODRIVEA);
+#endif
+
         /* enable I2C device */
         i2c_register_board_info(0, i2c0_devices,
                                 ARRAY_SIZE(i2c0_devices));