arm64: dts: meson: add audio playback to khadas-vim2

Add initial audio support limited to HDMI i2s.

Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Acked-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20201203060023.9454-4-christianshewitt@gmail.com

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
index c5ee55c..0250c98 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxm-khadas-vim2.dts
@@ -10,6 +10,7 @@
 #include <dt-bindings/input/input.h>
 
 #include "meson-gxm.dtsi"
+#include <dt-bindings/sound/meson-aiu.h>
 
 / {
        compatible = "khadas,vim2", "amlogic,s912", "amlogic,meson-gxm";
@@ -145,6 +146,45 @@
                clock-frequency = <32768>;
                pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
        };
+
+       sound {
+               compatible = "amlogic,gx-sound-card";
+               model = "GXM-KHADAS-VIM2";
+               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 {