arm64: dts: meson: libretech-pc: add internal DAC support

Add the internal DAC support on the libretech CC. The output of this
DAC is provided on the 9J4 connector.

Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
Signed-off-by: Kevin Hilman <khilman@baylibre.com>
Link: https://lore.kernel.org/r/20200506221656.477379-6-jbrunet@baylibre.com

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 514fed5..c2480ba 100644 (file)
--- a/arch/arm64/boot/dts/amlogic/meson-gx-libretech-pc.dtsi
+++ b/arch/arm64/boot/dts/amlogic/meson-gx-libretech-pc.dtsi
@@ -30,6 +30,13 @@
                spi0 = &spifc;
        };
 
+       dio2133: analog-amplifier {
+               compatible = "simple-audio-amplifier";
+               sound-name-prefix = "AU2";
+               VCC-supply = <&vcc5v>;
+               enable-gpios = <&gpio GPIOH_5 GPIO_ACTIVE_HIGH>;
+       };
+
        chosen {
                stdout-path = "serial0:115200n8";
        };
@@ -180,6 +187,13 @@
        sound {
                compatible = "amlogic,gx-sound-card";
                model = "GXL-LIBRETECH-S9XX-PC";
+               audio-aux-devs = <&dio2133>;
+               audio-widgets = "Speaker", "7J4-14 LEFT",
+                               "Speaker", "7J4-11 RIGHT";
+               audio-routing = "AU2 INL", "ACODEC LOLN",
+                               "AU2 INR", "ACODEC LORN",
+                               "7J4-14 LEFT", "AU2 OUTL",
+                               "7J4-11 RIGHT", "AU2 OUTR";
                assigned-clocks = <&clkc CLKID_MPLL0>,
                                  <&clkc CLKID_MPLL1>,
                                  <&clkc CLKID_MPLL2>;
@@ -201,6 +215,10 @@
                        codec-0 {
                                sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
                        };
+
+                       codec-1 {
+                               sound-dai = <&aiu AIU_ACODEC CTRL_I2S>;
+                       };
                };
 
                dai-link-2 {
@@ -210,9 +228,22 @@
                                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";
 };