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>

1 files changed, 15 insertions, 1 deletions

diff --git a/arch/arm/mach-shmobile/clock-sh73a0.c b/arch/arm/mach-shmobile/clock-sh73a0.c
index 7e58904c1c8c..f86e463f174d 100644
--- 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: