Add the internal DAC support on the libretech CC. The output of this
DAC is provided on the 9J5 connector.

Signed-off-by: Jerome Brunet <jbru...@baylibre.com>
---
 .../amlogic/meson-gxl-s805x-libretech-ac.dts  | 30 +++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts 
b/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts
index 6e0984269662..6a226faab183 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s805x-libretech-ac.dts
@@ -98,6 +98,15 @@ vcc_3v3: regulator-vcc_3v3 {
                regulator-always-on;
        };
 
+       vddio_ao18: regulator-vddio_ao18 {
+               compatible = "regulator-fixed";
+               regulator-name = "VDDIO_AO18";
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <1800000>;
+               vin-supply = <&vcc_3v3>;
+               regulator-always-on;
+       };
+
        vddio_boot: regulator-vddio_boot {
                compatible = "regulator-fixed";
                regulator-name = "VDDIO_BOOT";
@@ -110,6 +119,10 @@ vddio_boot: regulator-vddio_boot {
        sound {
                compatible = "amlogic,gx-sound-card";
                model = "GXL-LIBRETECH-S805X-AC";
+               audio-widgets = "Speaker", "9J5-3 LEFT",
+                               "Speaker", "9J5-2 RIGHT";
+               audio-routing = "9J5-3 LEFT", "ACODEC LOLN",
+                               "9J5-2 RIGHT", "ACODEC LORN";
                assigned-clocks = <&clkc CLKID_MPLL0>,
                                  <&clkc CLKID_MPLL1>,
                                  <&clkc CLKID_MPLL2>;
@@ -131,6 +144,10 @@ dai-link-1 {
                        codec-0 {
                                sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
                        };
+
+                       codec-1 {
+                               sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
+                       };
                };
 
                dai-link-2 {
@@ -140,9 +157,22 @@ codec-0 {
                                sound-dai = <&hdmi_tx>;
                        };
                };
+
+               dai-link-3 {
+                       sound-dai = <&aiu AIU_ACODEC CTRL_OUT>;
+
+                       codec-0 {
+                               sound-dai = <&acodec>;
+                       };
+               };
        };
 };
 
+&acodec {
+       AVDD-supply = <&vddio_ao18>;
+       status = "okay";
+};
+
 &aiu {
        status = "okay";
 };
-- 
2.25.4

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