ARM: mach-shmobile: Add SDHI support for AG5EVM and sh73a0

Add SDHI0 and SDHI1 support to the AG5EVM board
including platform data, pinmux configuration
and clock bindings.

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 083dc0f..7894cd1 100644 (file)
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -34,6 +34,8 @@
 #include <linux/input/sh_keysc.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
+#include <linux/mmc/sh_mobile_sdhi.h>
+#include <linux/mfd/tmio.h>
 #include <linux/sh_clk.h>
 #include <video/sh_mobile_lcdc.h>
 #include <video/sh_mipi_dsi.h>
@@ -327,6 +329,85 @@ static struct platform_device mipidsi0_device = {
        },
 };
 
+static struct sh_mobile_sdhi_info sdhi0_info = {
+       .tmio_caps      = MMC_CAP_SD_HIGHSPEED,
+       .tmio_ocr_mask  = MMC_VDD_27_28 | MMC_VDD_28_29,
+};
+
+static struct resource sdhi0_resources[] = {
+       [0] = {
+               .name   = "SDHI0",
+               .start  = 0xee100000,
+               .end    = 0xee1000ff,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = gic_spi(83),
+               .flags  = IORESOURCE_IRQ,
+       },
+       [2] = {
+               .start  = gic_spi(84),
+               .flags  = IORESOURCE_IRQ,
+       },
+       [3] = {
+               .start  = gic_spi(85),
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device sdhi0_device = {
+       .name           = "sh_mobile_sdhi",
+       .id             = 0,
+       .num_resources  = ARRAY_SIZE(sdhi0_resources),
+       .resource       = sdhi0_resources,
+       .dev    = {
+               .platform_data  = &sdhi0_info,
+       },
+};
+
+void ag5evm_sdhi1_set_pwr(struct platform_device *pdev, int state)
+{
+       gpio_set_value(GPIO_PORT114, state);
+}
+
+static struct sh_mobile_sdhi_info sh_sdhi1_platdata = {
+       .tmio_flags     = TMIO_MMC_WRPROTECT_DISABLE,
+       .tmio_caps      = MMC_CAP_NONREMOVABLE,
+       .tmio_ocr_mask  = MMC_VDD_32_33 | MMC_VDD_33_34,
+       .set_pwr        = ag5evm_sdhi1_set_pwr,
+};
+
+static struct resource sdhi1_resources[] = {
+       [0] = {
+               .name   = "SDHI1",
+               .start  = 0xee120000,
+               .end    = 0xee1200ff,
+               .flags  = IORESOURCE_MEM,
+       },
+       [1] = {
+               .start  = gic_spi(87),
+               .flags  = IORESOURCE_IRQ,
+       },
+       [2] = {
+               .start  = gic_spi(88),
+               .flags  = IORESOURCE_IRQ,
+       },
+       [3] = {
+               .start  = gic_spi(89),
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct platform_device sdhi1_device = {
+       .name           = "sh_mobile_sdhi",
+       .id             = 1,
+       .dev            = {
+               .platform_data  = &sh_sdhi1_platdata,
+       },
+       .num_resources  = ARRAY_SIZE(sdhi1_resources),
+       .resource       = sdhi1_resources,
+};
+
 static struct platform_device *ag5evm_devices[] __initdata = {
        &eth_device,
        &keysc_device,
@@ -335,6 +416,8 @@ static struct platform_device *ag5evm_devices[] __initdata = {
        &irda_device,
        &lcdc0_device,
        &mipidsi0_device,
+       &sdhi0_device,
+       &sdhi1_device,
 };
 
 static struct map_desc ag5evm_io_desc[] __initdata = {
@@ -456,6 +539,26 @@ static void __init ag5evm_init(void)
        /* MIPI-DSI clock setup */
        __raw_writel(0x2a809010, DSI0PHYCR);
 
+       /* enable SDHI0 on CN15 [SD I/F] */
+       gpio_request(GPIO_FN_SDHICD0, NULL);
+       gpio_request(GPIO_FN_SDHIWP0, NULL);
+       gpio_request(GPIO_FN_SDHICMD0, NULL);
+       gpio_request(GPIO_FN_SDHICLK0, NULL);
+       gpio_request(GPIO_FN_SDHID0_3, NULL);
+       gpio_request(GPIO_FN_SDHID0_2, NULL);
+       gpio_request(GPIO_FN_SDHID0_1, NULL);
+       gpio_request(GPIO_FN_SDHID0_0, NULL);
+
+       /* enable SDHI1 on CN4 [WLAN I/F] */
+       gpio_request(GPIO_FN_SDHICLK1, NULL);
+       gpio_request(GPIO_FN_SDHICMD1_PU, NULL);
+       gpio_request(GPIO_FN_SDHID1_3_PU, NULL);
+       gpio_request(GPIO_FN_SDHID1_2_PU, NULL);
+       gpio_request(GPIO_FN_SDHID1_1_PU, NULL);
+       gpio_request(GPIO_FN_SDHID1_0_PU, NULL);
+       gpio_request(GPIO_PORT114, "sdhi1_power");
+       gpio_direction_output(GPIO_PORT114, 0);
+
 #ifdef CONFIG_CACHE_L2X0
        /* Shared attribute override enable, 64K*8way */
        l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);

diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 7e58904..f86e463 100644 (file)
--- a/arch/arm/mach-shmobile/clock-sh73a0.c
+++ b/arch/arm/mach-shmobile/clock-sh73a0.c
@@ -266,7 +266,7 @@ enum { MSTP001,
        MSTP129, MSTP128, MSTP127, MSTP126, MSTP125, MSTP118, MSTP116, MSTP100,
        MSTP219,
        MSTP207, MSTP206, MSTP204, MSTP203, MSTP202, MSTP201, MSTP200,
-       MSTP331, MSTP329, MSTP325, MSTP323, MSTP312,
+       MSTP331, MSTP329, MSTP325, MSTP323, MSTP314, MSTP313, MSTP312, MSTP311,
        MSTP411, MSTP410, MSTP403,
        MSTP_NR };
 
@@ -295,7 +295,10 @@ static struct clk mstp_clks[MSTP_NR] = {
        [MSTP329] = MSTP(&r_clk, SMSTPCR3, 29, 0), /* CMT10 */
        [MSTP325] = MSTP(&div6_clks[DIV6_SUB], SMSTPCR3, 25, 0), /* IrDA */
        [MSTP323] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 23, 0), /* IIC1 */
+       [MSTP314] = MSTP(&div6_clks[DIV6_SDHI0], SMSTPCR3, 14, 0), /* SDHI0 */
+       [MSTP313] = MSTP(&div6_clks[DIV6_SDHI1], SMSTPCR3, 13, 0), /* SDHI1 */
        [MSTP312] = MSTP(&div4_clks[DIV4_HP], SMSTPCR3, 12, 0), /* MMCIF0 */
+       [MSTP311] = MSTP(&div6_clks[DIV6_SDHI2], SMSTPCR3, 11, 0), /* SDHI2 */
        [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 */
@@ -313,6 +316,9 @@ static struct clk_lookup lookups[] = {
        CLKDEV_CON_ID("vck1_clk", &div6_clks[DIV6_VCK1]),
        CLKDEV_CON_ID("vck2_clk", &div6_clks[DIV6_VCK2]),
        CLKDEV_CON_ID("vck3_clk", &div6_clks[DIV6_VCK3]),
+       CLKDEV_CON_ID("sdhi0_clk", &div6_clks[DIV6_SDHI0]),
+       CLKDEV_CON_ID("sdhi1_clk", &div6_clks[DIV6_SDHI1]),
+       CLKDEV_CON_ID("sdhi2_clk", &div6_clks[DIV6_SDHI2]),
        CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSIT]),
        CLKDEV_ICK_ID("dsit_clk", "sh-mipi-dsi.1", &div6_clks[DIV6_DSIT]),
        CLKDEV_ICK_ID("dsi0p_clk", "sh-mipi-dsi.0", &div6_clks[DIV6_DSI0P]),
@@ -341,7 +347,10 @@ static struct clk_lookup lookups[] = {
        CLKDEV_DEV_ID("sh_cmt.10", &mstp_clks[MSTP329]), /* CMT10 */
        CLKDEV_DEV_ID("sh_irda.0", &mstp_clks[MSTP325]), /* IrDA */
        CLKDEV_DEV_ID("i2c-sh_mobile.1", &mstp_clks[MSTP323]), /* I2C1 */
+       CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP314]), /* SDHI0 */
+       CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP313]), /* SDHI1 */
        CLKDEV_DEV_ID("sh_mmcif.0", &mstp_clks[MSTP312]), /* MMCIF0 */
+       CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP311]), /* SDHI2 */
        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 */
@@ -351,6 +360,11 @@ void __init sh73a0_clock_init(void)
 {
        int k, ret = 0;
 
+       /* Set SDHI clocks to a known state */
+       __raw_writel(0x108, SD0CKCR);
+       __raw_writel(0x108, SD1CKCR);
+       __raw_writel(0x108, SD2CKCR);
+
        /* detect main clock parent */
        switch ((__raw_readl(CKSCR) >> 24) & 0x03) {
        case 0: