ARM: mach-shmobile: Add eMMC support through MMCIF on AG5EVM
Adding platform resources, PFC setting and release
reset pin for eMMC on ag5evm.
[damm@opensource.se: Add MSTP code for MMCIF]
Signed-off-by: Takashi YOSHII <takashi.yoshii.zj@renesas.com>
Signed-off-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index c6b1524..2f13592 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -32,6 +32,8 @@
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/input/sh_keysc.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/sh_mmcif.h>
#include <sound/sh_fsi.h>
@@ -146,10 +148,46 @@
},
};
+static struct resource sh_mmcif_resources[] = {
+ [0] = {
+ .name = "MMCIF",
+ .start = 0xe6bd0000,
+ .end = 0xe6bd00ff,
+ .flags = IORESOURCE_MEM,
+ },
+ [1] = {
+ .start = gic_spi(141),
+ .flags = IORESOURCE_IRQ,
+ },
+ [2] = {
+ .start = gic_spi(140),
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct sh_mmcif_plat_data sh_mmcif_platdata = {
+ .sup_pclk = 0,
+ .ocr = MMC_VDD_165_195,
+ .caps = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE,
+};
+
+static struct platform_device mmc_device = {
+ .name = "sh_mmcif",
+ .id = 0,
+ .dev = {
+ .dma_mask = NULL,
+ .coherent_dma_mask = 0xffffffff,
+ .platform_data = &sh_mmcif_platdata,
+ },
+ .num_resources = ARRAY_SIZE(sh_mmcif_resources),
+ .resource = sh_mmcif_resources,
+};
+
static struct platform_device *ag5evm_devices[] __initdata = {
ð_device,
&keysc_device,
&fsi_device,
+ &mmc_device,
};
static struct map_desc ag5evm_io_desc[] __initdata = {
@@ -216,12 +254,26 @@
gpio_request(GPIO_FN_KEYOUT8, NULL);
gpio_request(GPIO_FN_PORT149_KEYOUT9, NULL);
- /* enable IC2 2 and 3 */
+ /* enable I2C channel 2 and 3 */
gpio_request(GPIO_FN_PORT236_I2C_SDA2, NULL);
gpio_request(GPIO_FN_PORT237_I2C_SCL2, NULL);
gpio_request(GPIO_FN_PORT248_I2C_SCL3, NULL);
gpio_request(GPIO_FN_PORT249_I2C_SDA3, NULL);
+ /* enable MMCIF */
+ gpio_request(GPIO_FN_MMCCLK0, NULL);
+ gpio_request(GPIO_FN_MMCCMD0_PU, NULL);
+ gpio_request(GPIO_FN_MMCD0_0, NULL);
+ gpio_request(GPIO_FN_MMCD0_1, NULL);
+ gpio_request(GPIO_FN_MMCD0_2, NULL);
+ gpio_request(GPIO_FN_MMCD0_3, NULL);
+ gpio_request(GPIO_FN_MMCD0_4, NULL);
+ gpio_request(GPIO_FN_MMCD0_5, NULL);
+ gpio_request(GPIO_FN_MMCD0_6, NULL);
+ gpio_request(GPIO_FN_MMCD0_7, NULL);
+ gpio_request(GPIO_PORT208, NULL); /* Reset */
+ gpio_direction_output(GPIO_PORT208, 1);
+
/* enable SMSC911X */
gpio_request(GPIO_PORT144, NULL); /* PINTA2 */
gpio_direction_input(GPIO_PORT144);
diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 7d0dbe1..4195818 100644
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -258,7 +258,7 @@
MSTP125, MSTP116,
MSTP219,
MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
- MSTP331, MSTP329, MSTP323,
+ MSTP331, MSTP329, MSTP323, MSTP312,
MSTP411, MSTP410, MSTP403,
MSTP_NR };
@@ -280,6 +280,7 @@
[MSTP331] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 31, 0), /* SCIFA6 */
[MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
[MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */
+ [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
[MSTP411] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 11, 0), /* IIC3 */
[MSTP410] = MSTP(&div4_clks[DIV4_HP], SMSTPCR4, 10, 0), /* IIC4 */
[MSTP403] = MSTP(&r_clk, SMSTPCR4, 3, 0), /* KEYSC */
@@ -308,6 +309,7 @@
CLKDEV_DEV_ID("sh-sci.6", &mstp_clks[MSTP331]), /* SCIFA6 */
CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */
+ CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
CLKDEV_DEV_ID("i2c-sh_mobile.3", &mstp_clks[MSTP411]), /* I2C3 */
CLKDEV_DEV_ID("i2c-sh_mobile.4", &mstp_clks[MSTP410]), /* I2C4 */
CLKDEV_DEV_ID("sh_keysc.0", &mstp_clks[MSTP403]), /* KEYSC */