arm64: dts: renesas: r8a77961: salvator-xs: Add HDMI Sound support

This patch enables HDMI Sound on R-Car M3-W+ Salvator-XS board.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/87a6y1rtun.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

diff --git a/arch/arm64/boot/dts/renesas/r8a77961-salvator-xs.dts b/arch/arm64/boot/dts/renesas/r8a77961-salvator-xs.dts
index ca21a70..1e76033 100644 (file)
--- a/arch/arm64/boot/dts/renesas/r8a77961-salvator-xs.dts
+++ b/arch/arm64/boot/dts/renesas/r8a77961-salvator-xs.dts
@@ -51,9 +51,38 @@
                                remote-endpoint = <&hdmi0_con>;
                        };
                };
+               port@2 {
+                       reg = <2>;
+                       dw_hdmi0_snd_in: endpoint {
+                               remote-endpoint = <&rsnd_endpoint1>;
+                       };
+               };
        };
 };
 
 &hdmi0_con {
        remote-endpoint = <&rcar_dw_hdmi0_out>;
 };
+
+&rcar_sound {
+       ports {
+               /* rsnd_port0 is on salvator-common */
+               rsnd_port1: port@1 {
+                       reg = <1>;
+                       rsnd_endpoint1: endpoint {
+                               remote-endpoint = <&dw_hdmi0_snd_in>;
+
+                               dai-format = "i2s";
+                               bitclock-master = <&rsnd_endpoint1>;
+                               frame-master = <&rsnd_endpoint1>;
+
+                               playback = <&ssi2>;
+                       };
+               };
+       };
+};
+
+&sound_card {
+       dais = <&rsnd_port0     /* ak4613 */
+               &rsnd_port1>;   /* HDMI0  */
+};