[PATCH 4/7] arm64: dts: meson: libretech-ac: add internal DAC support

From: Jerome Brunet
Date: Wed May 06 2020 - 18:17:12 EST


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 <jbrunet@xxxxxxxxxxxx>
---
.../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