Re: [PATCH v2] arm64: dts: rockchip: configure hdmirx in Rock 5 ITX

[Heiko Stuebner <heiko@sntech.de>]

Hi Pedro,

Am Mittwoch, 4. März 2026, 21:44:39 Mitteleuropäische Normalzeit schrieb Pedro Alves:
> The Radxa Rock 5 ITX board exposes an HDMI input exactly the same way as
> the Rock 5B, but this was not reflected in its DTS.
> 
> Change the rk3588-rock-5-itx to configure and enable the hdmi_receiver
> and hdmi_receiver_cma nodes.
> 
> The hot-plug detection (HPD) pin keeps the hdmirx_det name rather than
> the hdmirx_hpd name used in other boards since that is what matches the
> official schematics (HDMIIRX_DET_L).
> 
> The configurations were confirmed to be identical on the downstream
> Radxa kernel, and this has been tested to work on a Rock 5 ITX board
> running kernel 6.19.3.
> 
> Signed-off-by: Pedro Alves <pta2002@pta2002.com>

> +&hdmi_receiver {
> +	pinctrl-0 = <&hdmim1_rx_cec &hdmim1_rx_hpdin &hdmim1_rx_scl &hdmim1_rx_sda &hdmirx_det>;

are you sure the hdmim1_rx_hpdin is routed?
Because that is gpio3_D4 while your hpd-gpios below is gpio1_c6.

> +	pinctrl-names = "default";
> +	hpd-gpios = <&gpio1 RK_PC6 GPIO_ACTIVE_LOW>;

Also please provide a pinctrl setting for the gpio hpd pin.

Thanks a lot
Heiko

> +
> +	status = "okay";
> +};
> +
>  &hdptxphy1 {
>  	status = "okay";
>  };
> 
> ---
> base-commit: 05f7e89ab9731565d8a62e3b5d1ec206485eeb0b
> change-id: 20260303-radxa-r5-itx-hdmirx-f4645e64f8c3
> 
> Best regards,
>