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arm64: dts: rockchip: add SPDIF node for rk3399-rockpro64

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This patch adds 'disabled' SPDIF sound node and related settings
for rk3399-rockpro64.

There are 2 reasons:
  - All RK3399 dma-bus channels have been already used by I2S0/1/2
  - RockPro64 does not have SPDIF optical nor coaxial connector,
    just have 3pins

Signed-off-by: Katsuhiro Suzuki <katsuhiro@katsuster.net>
Link: https://lore.kernel.org/r/20200810091619.3170534-1-katsuhiro@katsuster.net
Signed-off-by: Heiko Stuebner <heiko@sntech.de>
This commit is contained in:
Katsuhiro Suzuki
2020-08-10 18:16:19 +09:00
committed by Heiko Stuebner
parent 25572fb5aa
commit 7f02feb56d
1 changed files with 27 additions and 0 deletions
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27
arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi
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@@ -76,6 +76,23 @@
dais = <&i2s1_p0>;
};
sound-dit {
compatible = "audio-graph-card";
label = "rockchip,rk3399";
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: vcc12v-dcin {
compatible = "regulator-fixed";
regulator-name = "vcc12v_dcin";
@@ -698,6 +715,16 @@
status = "okay";
};
&spdif {
pinctrl-0 = <&spdif_bus_1>;
spdif_p0: port {
spdif_p0_0: endpoint {
remote-endpoint = <&dit_p0_0>;
};
};
};
&spi1 {
status = "okay";