Messages in this thread Patch in this message | | | From | Alex Bee <> | Subject | [PATCH v2 5/5] arm64: dts: rockchip: add SPDIF node for ROCK Pi 4 | Date | Fri, 18 Jun 2021 20:12:56 +0200 |
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Add a SPDIF audio-graph-card to ROCK Pi 4 device tree.
It's not enabled by default since all dma channels are used by the (already) enabled i2s0/1/2 and the pin is muxed with GPIO4_C5 which might be in use already. If enabled SPDIF_TX will be available at pin #15.
Signed-off-by: Alex Bee <knaerzche@gmail.com> --- .../boot/dts/rockchip/rk3399-rock-pi-4.dtsi | 26 +++++++++++++++++++ 1 file changed, 26 insertions(+)
diff --git a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi index 80925a58e470..b5b8a79116fd 100644 --- a/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3399-rock-pi-4.dtsi @@ -42,6 +42,23 @@ sound { dais = <&i2s0_p0>; }; + sound-dit { + compatible = "audio-graph-card"; + label = "SPDIF"; + dais = <&spdif_p0>; + }; + + spdif-dit { + compatible = "linux,spdif-dit"; + #sound-dai-cells = <0>; + + port { + dit_p0_0: endpoint { + remote-endpoint = <&spdif_p0_0>; + }; + }; + }; + vcc12v_dcin: dc-12v { compatible = "regulator-fixed"; regulator-name = "vcc12v_dcin"; @@ -632,6 +649,15 @@ &sdhci { status = "okay"; }; +&spdif { + + spdif_p0: port { + spdif_p0_0: endpoint { + remote-endpoint = <&dit_p0_0>; + }; + }; +}; + &tcphy0 { status = "okay"; }; -- 2.27.0
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