linux-kernel - [PATCH 03/12] arm64: dts: meson: add audio playback to nanopi-k2

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Message-Id: <20200718065739.7802-4-christianshewitt@gmail.com>
Date:   Sat, 18 Jul 2020 06:57:30 +0000
From:   Christian Hewitt <christianshewitt@...il.com>
To:     Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        Kevin Hilman <khilman@...libre.com>,
        devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-amlogic@...ts.infradead.org, linux-kernel@...r.kernel.org
Cc:     Christian Hewitt <christianshewitt@...il.com>
Subject: [PATCH 03/12] arm64: dts: meson: add audio playback to nanopi-k2

Add initial audio support limited to HDMI i2s.

Signed-off-by: Christian Hewitt <christianshewitt@...il.com>
---
 .../boot/dts/amlogic/meson-gxbb-nanopi-k2.dts | 40 +++++++++++++++++++
 1 file changed, 40 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts b/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts
index 7be3e354093b..8e5df00b06a2 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxbb-nanopi-k2.dts
@@ -7,6 +7,7 @@
 
 #include "meson-gxbb.dtsi"
 #include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/sound/meson-aiu.h>
 
 / {
 	compatible = "friendlyarm,nanopi-k2", "amlogic,meson-gxbb";
@@ -130,6 +131,45 @@
 			};
 		};
 	};
+
+	sound {
+		compatible = "amlogic,gx-sound-card";
+		model = "GXBB-NANOPI-K2";
+		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_I2S_ENCODER>;
+			dai-format = "i2s";
+			mclk-fs = <256>;
+
+			codec-0 {
+				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
+			};
+		};
+
+		dai-link-2 {
+			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
+
+			codec-0 {
+				sound-dai = <&hdmi_tx>;
+			};
+		};
+	};
+};
+
+&aiu {
+	status = "okay";
 };
 
 &cec_AO {
-- 
2.17.1