linux-kernel - Re: [PATCH] arm64: dts: rockchip: Add vcc supply for SPI Flash on NanoPC-T6

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Message-Id: <175709416351.988787.3563603110895477506.robh@kernel.org>
Date: Fri, 05 Sep 2025 12:45:06 -0500
From: "Rob Herring (Arm)" <robh@...nel.org>
To: Marcin Juszkiewicz <marcin@...zkiewicz.com.pl>
Cc: Heiko Stuebner <heiko@...ech.de>, linux-arm-kernel@...ts.infradead.org, 
 Conor Dooley <conor+dt@...nel.org>, devicetree@...r.kernel.org, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: rockchip: Add vcc supply for SPI Flash on
 NanoPC-T6


On Fri, 05 Sep 2025 11:18:59 +0200, Marcin Juszkiewicz wrote:
> FriendlyELEC NanoPC-T6 LTS schematics shows VCC_1V8_S3 being used to
> power SPI NOR chip.
> 
> This fixes the following kernel message:
> 
> spi-nor spi5.0: supply vcc not found, using dummy regulator
> 
> Signed-off-by: Marcin Juszkiewicz <marcin@...zkiewicz.com.pl>
> ---
>  arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtsi | 1 +
>  1 file changed, 1 insertion(+)
> 


My bot found new DTB warnings on the .dts files added or changed in this
series.

Some warnings may be from an existing SoC .dtsi. Or perhaps the warnings
are fixed by another series. Ultimately, it is up to the platform
maintainer whether these warnings are acceptable or not. No need to reply
unless the platform maintainer has comments.

If you already ran DT checks and didn't see these error(s), then
make sure dt-schema is up to date:

  pip3 install dtschema --upgrade


This patch series was applied (using b4) to base:
 Base: attempting to guess base-commit...
 Base: tags/next-20250904 (exact match)

If this is not the correct base, please add 'base-commit' tag
(or use b4 which does this automatically)

New warnings running 'make CHECK_DTBS=y for arch/arm64/boot/dts/rockchip/' for de71cbe5db3347756d3173245d01e091d3ad1b50.1757062843.git.marcin@...zkiewicz.com.pl:

vcc-supply: size (14) error for type phandle
vcc-supply: size (14) error for type phandle
arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6-lts.dtb: flash@0 (jedec,spi-nor): vcc-supply: 'oneOf' conditional failed, one must be fixed:
	b'<&vcc_1v8_s3>\x00' is not of type 'object'
	b'<&vcc_1v8_s3>\x00' is not of type 'array'
	from schema $id: http://devicetree.org/schemas/dt-core.yaml#
arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6-lts.dtb: flash@0 (jedec,spi-nor): vcc-supply: b'<&vcc_1v8_s3>\x00' is not of type 'object', 'integer', 'array', 'boolean', 'null'
	from schema $id: http://devicetree.org/schemas/dt-core.yaml#
arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtb: flash@0 (jedec,spi-nor): vcc-supply: 'oneOf' conditional failed, one must be fixed:
	b'<&vcc_1v8_s3>\x00' is not of type 'object'
	b'<&vcc_1v8_s3>\x00' is not of type 'array'
	from schema $id: http://devicetree.org/schemas/dt-core.yaml#
arch/arm64/boot/dts/rockchip/rk3588-nanopc-t6.dtb: flash@0 (jedec,spi-nor): vcc-supply: b'<&vcc_1v8_s3>\x00' is not of type 'object', 'integer', 'array', 'boolean', 'null'
	from schema $id: http://devicetree.org/schemas/dt-core.yaml#