linux-kernel - Re: [PATCH] arm64: dts: rockchip: Add vcc-supply to SPI flash on Pinephone Pro

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Message-ID: <s4pqhvg542k4d3m4sosnugy5sdnqpw3dabv7cw4o33imvfyxje@yao7oufrhxn6>
Date: Thu, 28 Aug 2025 11:59:44 +0200
From: Ondřej Jirman <megi@....cz>
To: Peter Robinson <pbrobinson@...il.com>
Cc: Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Heiko Stuebner <heiko@...ech.de>, Diederik de Haas <didi.debian@...ow.org>, 
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, Dragan Simic <dsimic@...jaro.org>
Subject: Re: [PATCH] arm64: dts: rockchip: Add vcc-supply to SPI flash on
 Pinephone Pro

On Wed, Aug 27, 2025 at 03:34:58PM +0100, Peter Robinson wrote:
> As documented in the PinephonePro-Schematic-V1.0-20211127.pdf,
> page 11, the SPI Flash's VCC pin is connected to VCC_1V8 power
> source. This fixes the following warning:
> 
>   spi-nor spi1.0: supply vcc not found, using dummy regulator
> 
> Signed-off-by: Peter Robinson <pbrobinson@...il.com>

Reviewed-by: Ondřej Jirman <megi@....cz>

Thank you,
	o.

> ---
>  arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> index be90e049a302c..24e4365a2e588 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinephone-pro.dts
> @@ -772,6 +772,7 @@ flash@0 {
>  		compatible = "jedec,spi-nor";
>  		reg = <0>;
>  		spi-max-frequency = <10000000>;
> +		vcc-supply = <&vcc_1v8>;
>  	};
>  };
>  
> -- 
> 2.51.0
>