From: Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx> Add device tree bindings document for the audio card based on the internal I2S of the Rockchip RK3308 SoC. Signed-off-by: Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx> --- .../rockchip,rk3308-audio-graph-card.yaml | 50 +++++++++++++++++++ MAINTAINERS | 5 ++ 2 files changed, 55 insertions(+) create mode 100644 Documentation/devicetree/bindings/sound/rockchip,rk3308-audio-graph-card.yaml diff --git a/Documentation/devicetree/bindings/sound/rockchip,rk3308-audio-graph-card.yaml b/Documentation/devicetree/bindings/sound/rockchip,rk3308-audio-graph-card.yaml new file mode 100644 index 000000000000..8445a69dcdbb --- /dev/null +++ b/Documentation/devicetree/bindings/sound/rockchip,rk3308-audio-graph-card.yaml @@ -0,0 +1,50 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/sound/rockchip,rk3308-audio-graph-card.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Rockchip RK3308 Audio card based on internal I2S + +maintainers: + - Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx> + +allOf: + - $ref: /schemas/sound/audio-graph.yaml# + +properties: + compatible: + const: rockchip,rk3308-audio-graph-card + +required: + - compatible + +unevaluatedProperties: false + +examples: + - | + sound { + compatible = "rockchip,rk3308-audio-graph-card"; + dais = <&i2s_8ch_2_port>; + }; + + i2s_8ch_2 { + i2s_8ch_2_port: port { + i2s_8ch_2_endpoint: endpoint { + remote-endpoint = <&acodec_endpoint>; + dai-format = "i2s"; + + /* The RK3308 acodec has no clock dividers, use the CPU */ + bitclock-master = <&i2s_8ch_2_endpoint>; + frame-master = <&i2s_8ch_2_endpoint>; + }; + }; + }; + + acodec { + port { + acodec_endpoint: endpoint { + remote-endpoint = <&i2s_8ch_2_endpoint>; + }; + }; + }; diff --git a/MAINTAINERS b/MAINTAINERS index d53a8e74cb1e..079bdd95dc49 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -17594,6 +17594,11 @@ S: Maintained F: Documentation/devicetree/bindings/sound/rockchip,rk3308-codec.yaml F: include/dt-bindings/sound/rockchip,rk3308-codec.h +ROCKCHIP RK3308 SOUND CARD DRIVER +M: Luca Ceresoli <luca.ceresoli@xxxxxxxxxxx> +S: Maintained +F: Documentation/devicetree/bindings/sound/rockchip,rk3308-audio-graph-card.yaml + ROCKCHIP VIDEO DECODER DRIVER M: Ezequiel Garcia <ezequiel@xxxxxxxxxxxxxxxxxxxx> L: linux-media@xxxxxxxxxxxxxxx -- 2.34.1
