Re: [PATCH v4 4/4] arm64: dts: rockchip: enable HDMI RX audio capture on Orange Pi 5 Plus

From: Sebastian Reichel

Date: Tue Jul 21 2026 - 11:25:32 EST


Hi,

On Tue, Jul 21, 2026 at 08:41:15AM +0200, Igor Paunovic wrote:
> Enable the shared HDMI RX sound card and the i2s7_8ch interface it
> uses. Together with the audio capture support in the snps_hdmirx
> driver this exposes a capture-only ALSA card fed by the HDMI input.
>
> Tested on the Orange Pi 5 Plus with multiple HDMI sources: capture
> follows the source sample rate and stays in sync via the FIFO-level
> clock tracking in the driver.
>
> Signed-off-by: Igor Paunovic <royalnet026@xxxxxxxxx>
> ---

Reviewed-by: Sebastian Reichel <sebastian.reichel@xxxxxxxxxxxxx>

-- Sebastian

> Changes in v4:
> - only enable the shared hdmi_receiver_sound card and i2s7_8ch, now
> that the card definition lives in rk3588-extra.dtsi (Sebastian
> Reichel)
>
> New in v3.
> arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts | 8 ++++++++
> 1 file changed, 8 insertions(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts b/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts
> index 9950d11..9f9a303 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3588-orangepi-5-plus.dts
> @@ -171,6 +171,10 @@
> status = "okay";
> };
>
> +&hdmi_receiver_sound {
> + status = "okay";
> +};
> +
> &hdptxphy0 {
> status = "okay";
> };
> @@ -247,6 +251,10 @@
> status = "okay";
> };
>
> +&i2s7_8ch {
> + status = "okay";
> +};
> +
> &led_blue_gpio {
> gpios = <&gpio3 RK_PA6 GPIO_ACTIVE_HIGH>;
> status = "okay";
> --
> 2.53.0
>

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