ARM: mach-shmobile: armadillo800eva: add SDHI0 support

[deliverable/linux.git] / arch / arm / mach-shmobile / board-armadillo800eva.c

diff --git a/arch/arm/mach-shmobile/board-armadillo800eva.c b/arch/arm/mach-shmobile/board-armadillo800eva.c
index 1d25d5fee605273fc80fdff7af0e530006ec9c50..ed8568635bcca43c4a32b576fa3645ee0010a362 100644 (file)
--- a/arch/arm/mach-shmobile/board-armadillo800eva.c
+++ b/arch/arm/mach-shmobile/board-armadillo800eva.c
@@ -31,6 +31,9 @@
 #include <linux/sh_eth.h>
 #include <linux/videodev2.h>
 #include <linux/usb/renesas_usbhs.h>
+#include <linux/mfd/tmio.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/sh_mobile_sdhi.h>
 #include <mach/common.h>
 #include <mach/irqs.h>
 #include <asm/page.h>
@@ -402,6 +405,55 @@ static struct platform_device gpio_keys_device = {
        },
 };
 
+/* SDHI0 */
+/*
+ * FIXME
+ *
+ * It use polling mode here, since
+ * CD (= Card Detect) pin is not connected to SDHI0_CD.
+ * We can use IRQ31 as card detect irq,
+ * but it needs chattering removal operation
+ */
+#define IRQ31  evt2irq(0x33E0)
+static struct sh_mobile_sdhi_info sdhi0_info = {
+       .tmio_caps      = MMC_CAP_SD_HIGHSPEED | MMC_CAP_SDIO_IRQ |\
+                         MMC_CAP_NEEDS_POLL,
+       .tmio_ocr_mask  = MMC_VDD_165_195 | MMC_VDD_32_33 | MMC_VDD_33_34,
+       .tmio_flags     = TMIO_MMC_HAS_IDLE_WAIT,
+};
+
+static struct resource sdhi0_resources[] = {
+       {
+               .name   = "SDHI0",
+               .start  = 0xe6850000,
+               .end    = 0xe6850100 - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       /*
+        * no SH_MOBILE_SDHI_IRQ_CARD_DETECT here
+        */
+       {
+               .name   = SH_MOBILE_SDHI_IRQ_SDCARD,
+               .start  = evt2irq(0x0E20),
+               .flags  = IORESOURCE_IRQ,
+       },
+       {
+               .name   = SH_MOBILE_SDHI_IRQ_SDIO,
+               .start  = evt2irq(0x0E40),
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device sdhi0_device = {
+       .name           = "sh_mobile_sdhi",
+       .id             = 0,
+       .dev            = {
+               .platform_data  = &sdhi0_info,
+       },
+       .num_resources  = ARRAY_SIZE(sdhi0_resources),
+       .resource       = sdhi0_resources,
+};
+
 /* I2C */
 static struct i2c_board_info i2c0_devices[] = {
        {
@@ -417,6 +469,7 @@ static struct platform_device *eva_devices[] __initdata = {
        &lcdc0_device,
        &gpio_keys_device,
        &sh_eth_device,
+       &sdhi0_device,
 };
 
 static void __init eva_clock_init(void)
@@ -539,6 +592,24 @@ static void __init eva_init(void)
                platform_device_register(&usbhsf_device);
        }
 
+       /* SDHI0 */
+       gpio_request(GPIO_FN_SDHI0_CMD, NULL);
+       gpio_request(GPIO_FN_SDHI0_CLK, NULL);
+       gpio_request(GPIO_FN_SDHI0_D0, NULL);
+       gpio_request(GPIO_FN_SDHI0_D1, NULL);
+       gpio_request(GPIO_FN_SDHI0_D2, NULL);
+       gpio_request(GPIO_FN_SDHI0_D3, NULL);
+       gpio_request(GPIO_FN_SDHI0_WP, NULL);
+
+       gpio_request(GPIO_PORT17, NULL);        /* SDHI0_18/33_B */
+       gpio_request(GPIO_PORT74, NULL);        /* SDHI0_PON */
+       gpio_request(GPIO_PORT75, NULL);        /* SDSLOT1_PON */
+       gpio_direction_output(GPIO_PORT17, 0);
+       gpio_direction_output(GPIO_PORT74, 1);
+       gpio_direction_output(GPIO_PORT75, 1);
+
+       /* we can use GPIO_FN_IRQ31_PORT167 here for SDHI0 CD irq */
+
        /*
         * CAUTION
         *