[PATCH 2/4] arm64: renesas: ulcb: add HDMI sound support

[Kuninori Morimoto]

From: Kuninori Morimoto <kuninori.morimoto...@renesas.com>

This patch adds missing ULCB HDMI sound support.
To use sound card, HDMI video is mandatory.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto...@renesas.com>
---
 arch/arm64/boot/dts/renesas/ulcb.dtsi | 30 +++++++++++++++++++++++++++++-
 1 file changed, 29 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/renesas/ulcb.dtsi 
b/arch/arm64/boot/dts/renesas/ulcb.dtsi
index a936f06..de49b2a 100644
--- a/arch/arm64/boot/dts/renesas/ulcb.dtsi
+++ b/arch/arm64/boot/dts/renesas/ulcb.dtsi
@@ -6,6 +6,14 @@
  * Copyright (C) 2016 Cogent Embedded, Inc.
  */
 
+/*
+ * SSI-AK4613
+ *     aplay   -D plughw:0,0 xxx.wav
+ *     arecord -D plughw:0,0 xxx.wav
+ * SSI-HDMI
+ *     aplay   -D plughw:0,1 xxx.wav
+ */
+
 #include <dt-bindings/gpio/gpio.h>
 #include <dt-bindings/input/input.h>
 
@@ -87,7 +95,9 @@
                compatible = "audio-graph-card";
                label = "rcar-sound";
 
-               dais = <&rsnd_port0>;
+               dais = <&rsnd_port0     /* ak4613 */
+                       &rsnd_port1     /* HDMI0  */
+                       >;
        };
 
        vcc_sdhi0: regulator-vcc-sdhi0 {
@@ -173,6 +183,12 @@
                                remote-endpoint = <&hdmi0_con>;
                        };
                };
+               port@2 {
+                       reg = <2>;
+                       dw_hdmi0_snd_in: endpoint {
+                               remote-endpoint = <&rsnd_endpoint1>;
+                       };
+               };
        };
 };
 
@@ -403,6 +419,18 @@
                                capture  = <&ssi1 &src1 &dvc1>;
                        };
                };
+               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>;
+                       };
+               };
        };
 };
 
-- 
2.7.4