arm64: dts: rockchip: Add RK3328 audio pipelines

The audio pipelines for HDMI and the analog codec are internal to the
SoC, so it makes sense to describe them at that level such that boards
need only enable the respective nodes for outputs they implement.

Signed-off-by: Robin Murphy <robin.murphy@arm.com>
Link: https://lore.kernel.org/r/a09c8d795e7a66fb7bc47af2b6580f6e8dbec91e.1571090991.git.robin.murphy@arm.com
Signed-off-by: Heiko Stuebner <heiko@sntech.de>

diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
index 31cc154..91306eb 100644 (file)
--- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi
@@ -142,6 +142,22 @@
                };
        };
 
+       analog_sound: analog-sound {
+               compatible = "simple-audio-card";
+               simple-audio-card,format = "i2s";
+               simple-audio-card,mclk-fs = <256>;
+               simple-audio-card,name = "Analog";
+               status = "disabled";
+
+               simple-audio-card,cpu {
+                       sound-dai = <&i2s1>;
+               };
+
+               simple-audio-card,codec {
+                       sound-dai = <&codec>;
+               };
+       };
+
        arm-pmu {
                compatible = "arm,cortex-a53-pmu";
                interrupts = <GIC_SPI 100 IRQ_TYPE_LEVEL_HIGH>,
@@ -156,6 +172,22 @@
                ports = <&vop_out>;
        };
 
+       hdmi_sound: hdmi-sound {
+               compatible = "simple-audio-card";
+               simple-audio-card,format = "i2s";
+               simple-audio-card,mclk-fs = <128>;
+               simple-audio-card,name = "HDMI";
+               status = "disabled";
+
+               simple-audio-card,cpu {
+                       sound-dai = <&i2s0>;
+               };
+
+               simple-audio-card,codec {
+                       sound-dai = <&hdmi>;
+               };
+       };
+
        psci {
                compatible = "arm,psci-1.0", "arm,psci-0.2";
                method = "smc";