[PATCH v2 03/10] arm64: dts: meson: add audio playback to nanopi-k2

From: Christian Hewitt
Date: Fri Oct 02 2020 - 10:32:03 EST


Add initial audio support limited to HDMI i2s.

Signed-off-by: Christian Hewitt <christianshewitt@xxxxxxxxx>
---
.../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