arm64: dts: h3ulcb: Sound SSI support

This supports SSI sound for H3ULCB board.
SSI DMA mode used. CS2000 used as AUDIO_CLK_B.

Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 118 insertions, 0 deletions

diff --git a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
index 44f1184e1a14..c6d4ee336740 100644
--- a/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
+++ b/arch/arm64/boot/dts/renesas/r8a7795-h3ulcb.dts
@@ -45,6 +45,12 @@
                 };
         };
 
+        x12_clk: x12 {
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <24576000>;
+        };
+
         vcc_sdhi0: regulator-vcc-sdhi0 {
                 compatible = "regulator-fixed";
 
@@ -68,6 +74,32 @@
                 states = <3300000 1
                           1800000 0>;
         };
+
+        audio_clkout: audio-clkout {
+                /*
+                 * This is same as <&rcar_sound 0>
+                 * but needed to avoid cs2000/rcar_sound probe dead-lock
+                 */
+                compatible = "fixed-clock";
+                #clock-cells = <0>;
+                clock-frequency = <11289600>;
+        };
+
+        rsnd_ak4613: sound {
+                compatible = "simple-audio-card";
+
+                simple-audio-card,format = "left_j";
+                simple-audio-card,bitclock-master = <&sndcpu>;
+                simple-audio-card,frame-master = <&sndcpu>;
+
+                sndcpu: simple-audio-card,cpu {
+                        sound-dai = <&rcar_sound>;
+                };
+
+                sndcodec: simple-audio-card,codec {
+                        sound-dai = <&ak4613>;
+                };
+        };
 };
 
 &extal_clk {
@@ -114,6 +146,17 @@
                 power-source = <1800>;
         };
 
+        sound_pins: sound {
+                groups = "ssi01239_ctrl", "ssi0_data", "ssi1_data_a";
+                function = "ssi";
+        };
+
+        sound_clk_pins: sound-clk {
+                groups = "audio_clk_a_a", "audio_clk_b_a", "audio_clk_c_a",
+                         "audio_clkout_a", "audio_clkout3_a";
+                function = "audio_clk";
+        };
+
         usb1_pins: usb1 {
                 groups = "usb1";
                 function = "usb1";
@@ -137,6 +180,73 @@
         pinctrl-names = "default";
 
         status = "okay";
+
+        clock-frequency = <100000>;
+
+        ak4613: codec@10 {
+                compatible = "asahi-kasei,ak4613";
+                #sound-dai-cells = <0>;
+                reg = <0x10>;
+                clocks = <&rcar_sound 3>;
+
+                asahi-kasei,in1-single-end;
+                asahi-kasei,in2-single-end;
+                asahi-kasei,out1-single-end;
+                asahi-kasei,out2-single-end;
+                asahi-kasei,out3-single-end;
+                asahi-kasei,out4-single-end;
+                asahi-kasei,out5-single-end;
+                asahi-kasei,out6-single-end;
+        };
+
+        cs2000: clk-multiplier@4f {
+                #clock-cells = <0>;
+                compatible = "cirrus,cs2000-cp";
+                reg = <0x4f>;
+                clocks = <&audio_clkout>, <&x12_clk>;
+                clock-names = "clk_in", "ref_clk";
+
+                assigned-clocks = <&cs2000>;
+                assigned-clock-rates = <24576000>; /* 1/1 divide */
+        };
+};
+
+&rcar_sound {
+        pinctrl-0 = <&sound_pins &sound_clk_pins>;
+        pinctrl-names = "default";
+
+        /* Single DAI */
+        #sound-dai-cells = <0>;
+
+        /* audio_clkout0/1/2/3 */
+        #clock-cells = <1>;
+        clock-frequency = <11289600>;
+
+        status = "okay";
+
+        /* update <audio_clk_b> to <cs2000> */
+        clocks = <&cpg CPG_MOD 1005>,
+                 <&cpg CPG_MOD 1006>, <&cpg CPG_MOD 1007>,
+                 <&cpg CPG_MOD 1008>, <&cpg CPG_MOD 1009>,
+                 <&cpg CPG_MOD 1010>, <&cpg CPG_MOD 1011>,
+                 <&cpg CPG_MOD 1012>, <&cpg CPG_MOD 1013>,
+                 <&cpg CPG_MOD 1014>, <&cpg CPG_MOD 1015>,
+                 <&cpg CPG_MOD 1022>, <&cpg CPG_MOD 1023>,
+                 <&cpg CPG_MOD 1024>, <&cpg CPG_MOD 1025>,
+                 <&cpg CPG_MOD 1026>, <&cpg CPG_MOD 1027>,
+                 <&cpg CPG_MOD 1028>, <&cpg CPG_MOD 1029>,
+                 <&cpg CPG_MOD 1030>, <&cpg CPG_MOD 1031>,
+                 <&cpg CPG_MOD 1019>, <&cpg CPG_MOD 1018>,
+                 <&audio_clk_a>, <&cs2000>,
+                 <&audio_clk_c>,
+                 <&cpg CPG_CORE R8A7795_CLK_S0D4>;
+
+        rcar_sound,dai {
+                dai0 {
+                        playback = <&ssi0 &src0 &dvc0>;
+                        capture  = <&ssi1 &src1 &dvc1>;
+                };
+        };
 };
 
 &sdhi0 {
@@ -152,11 +262,19 @@
         status = "okay";
 };
 
+&ssi1 {
+        shared-pin;
+};
+
 &wdt0 {
         timeout-sec = <60>;
         status = "okay";
 };
 
+&audio_clk_a {
+        clock-frequency = <22579200>;
+};
+
 &avb {
         pinctrl-0 = <&avb_pins>;
         pinctrl-names = "default";