From: Jerome Brunet <jbrunet@baylibre.com>
Date: Tue, 21 Apr 2020 16:39:32 +0000 (+0200)
Subject: arm64: dts: meson: p230-q200: add initial audio playback support
X-Git-Tag: v5.15~3695^2~8^2~23
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3ffeb9532d42c0cf9d91ec60259177e04c7062aa;p=platform%2Fkernel%2Flinux-starfive.git

arm64: dts: meson: p230-q200: add initial audio playback support

Add basic audio support on the p230/q200 reference design.
This initial support is limited to HDMI i2s and SPDIF (LPCM).

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Tested-by: Christian Hewitt <christianshewitt@gmail.com>
Link: https://lore.kernel.org/r/20200421163935.775935-4-jbrunet@baylibre.com
---

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
index d853981..acb05a7 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx-p23x-q20x.dtsi
@@ -8,12 +8,21 @@
  * the pin-compatible S912 (GXM) or S905D (GXL) SoCs.
  */
 
+#include <dt-bindings/sound/meson-aiu.h>
+
 / {
 	aliases {
 		serial0 = &uart_AO;
 		ethernet0 = &ethmac;
 	};
 
+	spdif_dit: audio-codec-0 {
+		#sound-dai-cells = <0>;
+		compatible = "linux,spdif-dit";
+		status = "okay";
+		sound-name-prefix = "DIT";
+	};
+
 	chosen {
 		stdout-path = "serial0:115200n8";
 	};
@@ -102,6 +111,60 @@
 			};
 		};
 	};
+
+	sound {
+		compatible = "amlogic,gx-sound-card";
+		model = "GX-P230-Q200";
+		assigned-clocks = <&clkc CLKID_MPLL0>,
+				  <&clkc CLKID_MPLL1>,
+				  <&clkc CLKID_MPLL2>;
+		assigned-clock-parents = <0>, <0>, <0>;
+		assigned-clock-rates = <294912000>,
+				       <270950400>,
+				       <393216000>;
+		status = "okay";
+
+		dai-link-0 {
+			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
+		};
+
+		dai-link-1 {
+			sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;
+		};
+
+		dai-link-2 {
+			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
+			dai-format = "i2s";
+			mclk-fs = <256>;
+
+			codec-0 {
+				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
+			};
+		};
+
+		dai-link-3 {
+			sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
+
+			codec-0 {
+				sound-dai = <&spdif_dit>;
+			};
+		};
+
+		dai-link-4 {
+			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
+
+			codec-0 {
+				sound-dai = <&hdmi_tx>;
+			};
+		};
+	};
+};
+
+&aiu {
+	status = "okay";
+	pinctrl-0 = <&spdif_out_h_pins>;
+	pinctrl-names = "default";
+
 };
 
 &cec_AO {