arm64: dts: hi6220: Add k3-dma and i2s/hdmi audio support

Add entry for k3-dma driver and i2s/hdmi audio devices.

This enables HDMI audio output.

Cc: Zhangfei Gao <zhangfei.gao@linaro.org>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.com>
Cc: Wei Xu <xuwei5@hisilicon.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Andy Green <andy@warmcat.com>
Cc: Dave Long <dave.long@linaro.org>
Cc: Guodong Xu <guodong.xu@linaro.org>
Cc: Antonio Borneo <borneo.antonio@gmail.com>
Cc: Olof Johansson <olof@lixom.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
v2:
* Split core i2s entry into dtsi and hdmi specific bits into
  hikey dts
v4:
* Rework simple-card to use many-dai-links method, as
  there may be other links in the future
v5:
* Rework audio description to use the audio-card-graph method
  as requested by Mark.
Signed-off-by: Wei Xu <xuwei5@hisilicon.com>

1 files changed, 31 insertions, 3 deletions

diff --git a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
index 75bce2d0b1a8..ae8a8c5c21d2 100644
--- a/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
+++ b/arch/arm64/boot/dts/hisilicon/hi6220-hikey.dts
@@ -418,6 +418,11 @@
 			method = "smc";
 		};
 	};
+
+	sound_card {
+		compatible = "audio-graph-card";
+		dais = <&i2s0_port0>;
+	};
 };
 
 &uart2 {
@@ -458,10 +463,33 @@
 		interrupts = <1 2>;
 		pd-gpio = <&gpio0 4 0>;
 		adi,dsi-lanes = <4>;
+		#sound-dai-cells = <0>;
+
+		ports {
+			#address-cells = <1>;
+			#size-cells = <0>;
+			port@0 {
+				adv7533_in: endpoint {
+					remote-endpoint = <&dsi_out0>;
+				};
+			};
+			port@2 {
+				reg = <2>;
+				codec_endpoint: endpoint {
+					remote-endpoint = <&i2s0_cpu_endpoint>;
+				};
+			};
+		};
+	};
+};
 
-		port {
-			adv7533_in: endpoint {
-				remote-endpoint = <&dsi_out0>;
+&i2s0 {
+
+	ports {
+		i2s0_port0: port@0 {
+			i2s0_cpu_endpoint: endpoint {
+				remote-endpoint = <&codec_endpoint>;
+				dai-format = "i2s";
 			};
 		};
 	};