r8a7779: Add Display Unit clock support

Signed-off-by: NPhil Edworthy <phil.edworthy@renesas.com>
[Rename device from to rcarfb to rcar-du]
Signed-off-by: NLaurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
[Manual conflict resolution]
Signed-off-by: NSimon Horman <horms+renesas@verge.net.au>

arch/arm/mach-shmobile/clock-r8a7779.c

@@ -88,7 +88,7 @@ static struct clk div4_clks[DIV4_NR] = {
 
 enum { MSTP323, MSTP322, MSTP321, MSTP320,
 	MSTP115,
-	MSTP101, MSTP100,
+	MSTP103, MSTP101, MSTP100,
 	MSTP030,
 	MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021,
 	MSTP016, MSTP015, MSTP014,
@@ -101,6 +101,7 @@ static struct clk mstp_clks[MSTP_NR] = {
 	[MSTP321] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR3, 21, 0), /* SDHI2 */
 	[MSTP320] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR3, 20, 0), /* SDHI3 */
 	[MSTP115] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR1, 15, 0), /* SATA */
+	[MSTP103] = SH_CLK_MSTP32(&div4_clks[DIV4_S], MSTPCR1,  3, 0), /* DU */
 	[MSTP101] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR1,  1, 0), /* USB2 */
 	[MSTP100] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR1,  0, 0), /* USB0/1 */
 	[MSTP030] = SH_CLK_MSTP32(&div4_clks[DIV4_P], MSTPCR0, 30, 0), /* I2C0 */
@@ -184,6 +185,7 @@ static struct clk_lookup lookups[] = {
 	CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[MSTP322]), /* SDHI1 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.2", &mstp_clks[MSTP321]), /* SDHI2 */
 	CLKDEV_DEV_ID("sh_mobile_sdhi.3", &mstp_clks[MSTP320]), /* SDHI3 */
+	CLKDEV_DEV_ID("rcar-du.0", &mstp_clks[MSTP103]), /* DU */
 };
 
 void __init r8a7779_clock_init(void)