ARM: shmobile: r8a7778: add SSI/SRU clock support

Add a platform clock for the r8a7778 SRU/SSI sound.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 41 insertions, 2 deletions

diff --git a/arch/arm/mach-shmobile/clock-r8a7778.c b/arch/arm/mach-shmobile/clock-r8a7778.c
index c4bf2d8fb111..244a8dec4d04 100644
--- a/arch/arm/mach-shmobile/clock-r8a7778.c
+++ b/arch/arm/mach-shmobile/clock-r8a7778.c
@@ -69,6 +69,15 @@ static struct clk extal_clk = {
         .mapping = &cpg_mapping,
 };
 
+static struct clk audio_clk_a = {
+};
+
+static struct clk audio_clk_b = {
+};
+
+static struct clk audio_clk_c = {
+};
+
 /*
  * clock ratio of these clock will be updated
  * on r8a7778_clock_init()
@@ -100,18 +109,23 @@ static struct clk *main_clks[] = {
         &p_clk,
         &g_clk,
         &z_clk,
+        &audio_clk_a,
+        &audio_clk_b,
+        &audio_clk_c,
 };
 
 enum {
         MSTP331,
         MSTP323, MSTP322, MSTP321,
+        MSTP311, MSTP310,
+        MSTP309, MSTP308, MSTP307,
         MSTP114,
         MSTP110, MSTP109,
         MSTP100,
         MSTP030,
         MSTP029, MSTP028, MSTP027, MSTP026, MSTP025, MSTP024, MSTP023, MSTP022, MSTP021,
-        MSTP016, MSTP015,
-        MSTP007,
+        MSTP016, MSTP015, MSTP012, MSTP011, MSTP010,
+        MSTP009, MSTP008, MSTP007,
         MSTP_NR };
 
 static struct clk mstp_clks[MSTP_NR] = {
@@ -119,6 +133,11 @@ static struct clk mstp_clks[MSTP_NR] = {
         [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 */
+        [MSTP311] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 11, 0), /* SSI4 */
+        [MSTP310] = SH_CLK_MSTP32(&p_clk, MSTPCR3, 10, 0), /* SSI5 */
+        [MSTP309] = SH_CLK_MSTP32(&p_clk, MSTPCR3,  9, 0), /* SSI6 */
+        [MSTP308] = SH_CLK_MSTP32(&p_clk, MSTPCR3,  8, 0), /* SSI7 */
+        [MSTP307] = SH_CLK_MSTP32(&p_clk, MSTPCR3,  7, 0), /* SSI8 */
         [MSTP114] = SH_CLK_MSTP32(&p_clk, MSTPCR1, 14, 0), /* Ether */
         [MSTP110] = SH_CLK_MSTP32(&s_clk, MSTPCR1, 10, 0), /* VIN0 */
         [MSTP109] = SH_CLK_MSTP32(&s_clk, MSTPCR1,  9, 0), /* VIN1 */
@@ -135,11 +154,20 @@ static struct clk mstp_clks[MSTP_NR] = {
         [MSTP021] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 21, 0), /* SCIF5 */
         [MSTP016] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 16, 0), /* TMU0 */
         [MSTP015] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 15, 0), /* TMU1 */
+        [MSTP012] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 12, 0), /* SSI0 */
+        [MSTP011] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 11, 0), /* SSI1 */
+        [MSTP010] = SH_CLK_MSTP32(&p_clk, MSTPCR0, 10, 0), /* SSI2 */
+        [MSTP009] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  9, 0), /* SSI3 */
+        [MSTP008] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  8, 0), /* SRU */
         [MSTP007] = SH_CLK_MSTP32(&p_clk, MSTPCR0,  7, 0), /* HSPI */
 };
 
 static struct clk_lookup lookups[] = {
         /* main */
+        CLKDEV_CON_ID("audio_clk_a",    &audio_clk_a),
+        CLKDEV_CON_ID("audio_clk_b",    &audio_clk_b),
+        CLKDEV_CON_ID("audio_clk_c",    &audio_clk_c),
+        CLKDEV_CON_ID("audio_clk_internal",     &s1_clk),
         CLKDEV_CON_ID("shyway_clk",     &s_clk),
         CLKDEV_CON_ID("peripheral_clk", &p_clk),
 
@@ -168,6 +196,17 @@ static struct clk_lookup lookups[] = {
         CLKDEV_DEV_ID("sh-hspi.0", &mstp_clks[MSTP007]), /* HSPI0 */
         CLKDEV_DEV_ID("sh-hspi.1", &mstp_clks[MSTP007]), /* HSPI1 */
         CLKDEV_DEV_ID("sh-hspi.2", &mstp_clks[MSTP007]), /* HSPI2 */
+        CLKDEV_DEV_ID("rcar_sound", &mstp_clks[MSTP008]), /* SRU */
+
+        CLKDEV_ICK_ID("ssi.0", "rcar_sound", &mstp_clks[MSTP012]),
+        CLKDEV_ICK_ID("ssi.1", "rcar_sound", &mstp_clks[MSTP011]),
+        CLKDEV_ICK_ID("ssi.2", "rcar_sound", &mstp_clks[MSTP010]),
+        CLKDEV_ICK_ID("ssi.3", "rcar_sound", &mstp_clks[MSTP009]),
+        CLKDEV_ICK_ID("ssi.4", "rcar_sound", &mstp_clks[MSTP311]),
+        CLKDEV_ICK_ID("ssi.5", "rcar_sound", &mstp_clks[MSTP310]),
+        CLKDEV_ICK_ID("ssi.6", "rcar_sound", &mstp_clks[MSTP309]),
+        CLKDEV_ICK_ID("ssi.7", "rcar_sound", &mstp_clks[MSTP308]),
+        CLKDEV_ICK_ID("ssi.8", "rcar_sound", &mstp_clks[MSTP307]),
 };
 
 void __init r8a7778_clock_init(void)