[PATCH 3/7] arm64: dts: meson: libretech-cc: add internal DAC support

From: Jerome Brunet
Date: Wed May 06 2020 - 18:17:29 EST


Add the internal DAC support on the libretech CC. The output of this
DAC is provided on the 3.5mm jack connector.

Signed-off-by: Jerome Brunet <jbrunet@xxxxxxxxxxxx>
---
.../amlogic/meson-gxl-s905x-libretech-cc.dts | 30 +++++++++++++++++++
1 file changed, 30 insertions(+)

diff --git a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
index d81382b36049..5ae7bb6209cb 100644
--- a/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
+++ b/arch/arm64/boot/dts/amlogic/meson-gxl-s905x-libretech-cc.dts
@@ -22,6 +22,13 @@ aliases {
ethernet0 = &ethmac;
};

+ dio2133: analog-amplifier {
+ compatible = "simple-audio-amplifier";
+ sound-name-prefix = "AU2";
+ VCC-supply = <&hdmi_5v>;
+ enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
+ };
+
chosen {
stdout-path = "serial0:115200n8";
};
@@ -129,6 +136,12 @@ vddio_boot: regulator-vddio_boot {
sound {
compatible = "amlogic,gx-sound-card";
model = "GXL-LIBRETECH-S905X-CC";
+ audio-aux-devs = <&dio2133>;
+ audio-widgets = "Line", "Lineout";
+ audio-routing = "AU2 INL", "ACODEC LOLN",
+ "AU2 INR", "ACODEC LORN",
+ "Lineout", "AU2 OUTL",
+ "Lineout", "AU2 OUTR";
assigned-clocks = <&clkc CLKID_MPLL0>,
<&clkc CLKID_MPLL1>,
<&clkc CLKID_MPLL2>;
@@ -150,6 +163,10 @@ dai-link-1 {
codec-0 {
sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
};
+
+ codec-1 {
+ sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
+ };
};

dai-link-2 {
@@ -159,9 +176,22 @@ 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