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Message-id: <4BD6B944.1090606@renesas.com>
Date: Tue, 27 Apr 2010 19:15:32 +0900
From: Yusuke Goda <yusuke.goda.sx@...esas.com>
To: linux-sh@...r.kernel.org
Cc: Paul Mundt <lethal@...ux-sh.org>, akpm@...ux-foundation.org,
ben@...adent.org.uk, linux-mmc@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 2/2] sh: Add support MMCIF for ecovec
This patch adds MMCIF platform data for the Ecovec board.
Signed-off-by: Yusuke Goda <yusuke.goda.sx@...esas.com>
---
arch/sh/boards/mach-ecovec24/setup.c | 86 +++++++++++++++++++++++++++++++++-
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 6c13b92..55bf3d6 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -26,6 +26,8 @@
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
#include <linux/mfd/sh_mobile_sdhi.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/sh_mmcif.h>
#include <video/sh_mobile_lcdc.h>
#include <sound/sh_fsi.h>
#include <media/sh_mobile_ceu.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);
@@ -471,7 +473,8 @@ 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);
@@ -506,6 +509,7 @@ static struct platform_device sdhi1_device = {
.hwblk_id = HWBLK_SDHI1,
},
};
+#endif /* CONFIG_MMC_SH_MMCIF */
#else
@@ -771,6 +775,58 @@ static struct platform_device irda_device = {
.resource = irda_resources,
};
+#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,
@@ -783,7 +839,9 @@ 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
@@ -792,6 +850,9 @@ static struct platform_device *ecovec_devices[] __initdata = {
&camera_devices[2],
&fsi_device,
&irda_device,
+#if defined(CONFIG_MMC_SH_MMCIF)
+ &sh_mmcif_device,
+#endif
};
#ifdef CONFIG_I2C
@@ -1085,6 +1146,7 @@ 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);
@@ -1099,6 +1161,7 @@ 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);
@@ -1168,6 +1231,25 @@ 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));
--
1.7.0
--
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