ARM: shmobile: r8a7778: add support MMC clock

This patch adds r8a7778 MMC clock support.
Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/clock-r8a7778.c

@@ -103,6 +103,7 @@ static struct clk *main_clks[] = {
 };
 
 enum {
+	MSTP331,
 	MSTP323, MSTP322, MSTP321,
 	MSTP114,
 	MSTP030,
@@ -112,6 +113,7 @@ enum {
 	MSTP_NR };
 
 static struct clk mstp_clks[MSTP_NR] = {
+	[MSTP331] = SH_CLK_MSTP32(&s4_clk, MSTPCR3, 31, 0), /* MMC */
 	[MSTP323] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 23, 0), /* SDHI0 */
 	[MSTP322] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 22, 0), /* SDHI1 */
 	[MSTP321] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 21, 0), /* SDHI2 */
@@ -137,6 +139,7 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_CON_ID("peripheral_clk",	&p_clk),
 
 	/* MSTP32 clocks */
+	CLKDEV_DEV_ID("sh_mmcif", &mstp_clks[MSTP331]), /* MMC */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[MSTP323]), /* SDHI0 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP322]), /* SDHI1 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP321]), /* SDHI2 */