linux-kernel - Re: [PATCH v3 3/3] arm64: dts: rockchip: add overlay for tiger-haikou video-demo adapter

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Message-ID: <12349849.zAa99ISigo@diego>
Date: Wed, 26 Feb 2025 15:14:35 +0100
From: Heiko Stübner <heiko@...ech.de>
To: Heiko Stuebner <heiko@...ech.de>
Cc: quentin.schulz@...rry.de, devicetree@...r.kernel.org,
 linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org,
 linux-kernel@...r.kernel.org, dse@...umatec.com,
 Heiko Stuebner <heiko.stuebner@...rry.de>
Subject:
 Re: [PATCH v3 3/3] arm64: dts: rockchip: add overlay for tiger-haikou
 video-demo adapter

Am Mittwoch, 26. Februar 2025, 15:09:42 MEZ schrieb Heiko Stuebner:
> From: Heiko Stuebner <heiko.stuebner@...rry.de>
> 
> This adds support for the video-demo-adapter DEVKIT ADDON CAM-TS-A01
> (https://embedded.cherry.de/product/development-kit/) for the Haikou
> devkit with Tiger RK3588 SoM.
> 
> The Video Demo adapter is an adapter connected to the fake PCIe slot
> labeled "Video Connector" on the Haikou devkit.
> 
> It's main feature is a Leadtek DSI-display with touchscreen and a camera
> (that is not supported yet). To drive these components a number of
> additional regulators are grouped on the adapter as well as a PCA9670
> gpio-expander to provide the needed additional gpio-lines.
> 
> Signed-off-by: Heiko Stuebner <heiko.stuebner@...rry.de>

in v2 Quentin commented with a (which I forgot to add)

Tested-by: Quentin Schulz <quentin.schulz@...rry.de>


> +	vcc1v8_video: regulator-vcc1v8-video {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc1v8-video";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <1800000>;
> +		regulator-max-microvolt = <1800000>;
> +		vin-supply = <&vcc3v3_baseboard>;
> +	};
> +
> +	vcc2v8_video: regulator-vcc2v8-video {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc2v8-video";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <2800000>;
> +		regulator-max-microvolt = <2800000>;
> +		vin-supply = <&vcc3v3_baseboard>;
> +	};

and suggested to add the additional regulators on that board, that are used
for the camera part that is unsupported right now.

If there is a v4, I'll probably add those.