[PATCH 6/6] arm64: dts: meson: libretech-pc: add initial audio playback support

From: Jerome Brunet
Date: Tue Apr 21 2020 - 12:39:56 EST


Add initial audio support limited to HDMI i2s.

Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---
.../dts/amlogic/meson-gx-libretech-pc.dtsi | 40 +++++++++++++++++++
1 file changed, 40 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gx-libretech-pc.dtsi b/arch/arm64/boot/dts/amlogic/meson-gx-libretech-pc.dtsi
index 248b018c83d5..f1dec81d347b 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gx-libretech-pc.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx-libretech-pc.dtsi
@@ -8,6 +8,7 @@

#include <dt-bindings/input/input.h>
#include <dt-bindings/leds/common.h>
+#include <dt-bindings/sound/meson-aiu.h>

/ {
adc-keys {
@@ -175,6 +176,45 @@ vddio_card: regulator-vddio-card {
regulator-settling-time-up-us = <200>;
regulator-settling-time-down-us = <50000>;
};
+
+ sound {
+ compatible = "amlogic,gx-sound-card";
+ model = "GXL-LIBRETECH-S9XX-PC";
+ 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 {
--
2.25.2