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| author | Igor Paunovic <royalnet026@gmail.com> | 2026-07-21 08:41:12 +0200 |
|---|---|---|
| committer | Hans Verkuil <hverkuil+cisco@kernel.org> | 2026-09-09 13:18:15 +0200 |
| commit | ee6a964dca657dc23fc5c34e80a0133b80cce3ed (patch) | |
| tree | 7fe65302b17a7f7812e101ac1863ff36acd47e92 | |
| parent | ae8a4b51df30e39c07704efd5500361d8138c4d0 (diff) | |
| download | linux-next-ee6a964dca657dc23fc5c34e80a0133b80cce3ed.tar.gz linux-next-ee6a964dca657dc23fc5c34e80a0133b80cce3ed.zip | |
dt-bindings: media: snps,dw-hdmi-rx: add #sound-dai-cells
The HDMI RX controller can expose the audio embedded in the incoming
HDMI stream as an ALSA capture device. Document the #sound-dai-cells
property so that a sound card can reference the HDMI RX audio DAI.
Signed-off-by: Igor Paunovic <royalnet026@gmail.com>
Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Signed-off-by: Hans Verkuil <hverkuil+cisco@kernel.org>
| -rw-r--r-- | Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml index b7f6c87d0e06..b80660da1050 100644 --- a/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml +++ b/Documentation/devicetree/bindings/media/snps,dw-hdmi-rx.yaml @@ -78,6 +78,13 @@ properties: The phandle of the syscon node for the Video Output GRF register to enable EDID transfer through SDAIN and SCLIN. + "#sound-dai-cells": + const: 1 + description: + The HDMI RX controller has two digital audio interfaces, one for + I2S and one for S/PDIF. The DAI cell selects the interface, 0 for + I2S and 1 for S/PDIF. + required: - compatible - reg @@ -90,7 +97,10 @@ required: - pinctrl-0 - hpd-gpios -additionalProperties: false +allOf: + - $ref: /schemas/sound/dai-common.yaml# + +unevaluatedProperties: false examples: - | @@ -129,4 +139,5 @@ examples: pinctrl-0 = <&hdmim1_rx_cec &hdmim1_rx_hpdin &hdmim1_rx_scl &hdmim1_rx_sda &hdmirx_5v_detection>; pinctrl-names = "default"; hpd-gpios = <&gpio1 22 GPIO_ACTIVE_LOW>; + #sound-dai-cells = <1>; }; |