This patch adds sound card node for rock64. Currently we can support S/PDIF only. It seems the lack of codec driver of rk3328 to enable analog audio out.
Signed-off-by: Katsuhiro Suzuki <[email protected]> --- NOTE: This patch depends on [PATCH v2] arm64: dts: rockchip: add i2s and spdif endpoints of rk3328 --- .../arm64/boot/dts/rockchip/rk3328-rock64.dts | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+) diff --git a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts index 5852061e497b..27c73325aee8 100644 --- a/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts +++ b/arch/arm64/boot/dts/rockchip/rk3328-rock64.dts @@ -62,6 +62,23 @@ regulator-min-microvolt = <5000000>; regulator-max-microvolt = <5000000>; }; + + sound { + compatible = "audio-graph-card"; + label = "rockchip,rk3328"; + dais = <&spdif_p0>; + }; + + spdif-dit { + compatible = "linux,spdif-dit"; + #sound-dai-cells = <0>; + + port@0 { + dit_p0_0: endpoint { + remote-endpoint = <&spdif_p0_0>; + }; + }; + }; }; &cpu0 { @@ -261,6 +278,15 @@ status = "okay"; }; +&spdif { + pinctrl-0 = <&spdifm0_tx>; + status = "okay"; +}; + +&spdif_p0_0 { + remote-endpoint = <&dit_p0_0>; +}; + &tsadc { rockchip,hw-tshut-mode = <0>; rockchip,hw-tshut-polarity = <0>; -- 2.18.0
