[PATCH v3 2/7] arm64: dts: meson: add audio playback to khadas-vim

Christian Hewitt christianshewitt at gmail.com
Mon Nov 16 01:20:26 EST 2020


Add initial audio support limited to HDMI i2s.

Signed-off-by: Christian Hewitt <christianshewitt at gmail.com>
---
 .../amlogic/meson-gxl-s905x-khadas-vim.dts    | 43 ++++++++++++++++++-
 1 file changed, 41 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
index 8bcdffdf55d0..de5361f20cd6 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-khadas-vim.dts
@@ -5,9 +5,9 @@
 
 /dts-v1/;
 
-#include <dt-bindings/input/input.h>
-
 #include "meson-gxl-s905x-p212.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/sound/meson-aiu.h>
 
 / {
 	compatible = "khadas,vim", "amlogic,s905x", "amlogic,meson-gxl";
@@ -63,6 +63,45 @@
 			};
 		};
 	};
+
+	sound {
+		compatible = "amlogic,gx-sound-card";
+		model = "GXL-KHADAS-VIM1";
+		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




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