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

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Message-ID: <CALeDE9PY9+oAa=tv_D4ordJCaOE6b8+_eBAzeq7xwDZ9Gx6szg@mail.gmail.com>
Date: Wed, 27 Aug 2025 15:48:02 +0100
From: Peter Robinson <pbrobinson@...il.com>
To: 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
Subject: Re: [PATCH] arm64: dts: rockchip: Add vcc-supply to SPI flash on
 Pinebook Pro

Apologies, I believe I've already sent this and it's been applied.

On Wed, 27 Aug 2025 at 15:27, Peter Robinson <pbrobinson@...il.com> wrote:
>
> As described in the pinebookpro_v2.1_mainboard_schematic.pdf page 10,
> he SPI Flash's VCC connector is connected to VCC_3V0 power source.
>
> This fixes the following warning:
>
>   spi-nor spi1.0: supply vcc not found, using dummy regulator
>
> Fixes: 5a65505a69884 ("arm64: dts: rockchip: Add initial support for Pinebook Pro")
> Signed-off-by: Peter Robinson <pbrobinson@...il.com>
> ---
>  arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
> index 5a8551d9ffe47..b33a1509a8e93 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3399-pinebook-pro.dts
> @@ -959,6 +959,7 @@ spiflash: flash@0 {
>                 reg = <0>;
>                 m25p,fast-read;
>                 spi-max-frequency = <10000000>;
> +               vcc-supply = <&vcc_3v0>;
>         };
>  };
>
> --
> 2.51.0
>