The vcc-supply property was added to "jedec,spi-nor" binding in commit:
e7f4e924f46d ("dt-bindings: mtd: jedec,spi-nor: add optional vcc-supply")

which resulted in the following warning:
  spi-nor spiN.0: supply vcc not found, using dummy regulator

Fix that by specifying the vcc-supply property.

Diederik de Haas (4):
  arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3328-rock64
  arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3399-rockpro64
  arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3566-pinetab2
  arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3588-rock-5b

 arch/arm64/boot/dts/rockchip/rk3328-rock64.dts     | 1 +
 arch/arm64/boot/dts/rockchip/rk3399-rockpro64.dtsi | 1 +
 arch/arm64/boot/dts/rockchip/rk3566-pinetab2.dtsi  | 1 +
 arch/arm64/boot/dts/rockchip/rk3588-rock-5b.dts    | 1 +
 4 files changed, 4 insertions(+)

-- 
2.49.0

On Fri, 25 Apr 2025 10:44:40 +0200, Diederik de Haas wrote:
> The vcc-supply property was added to "jedec,spi-nor" binding in commit:
> e7f4e924f46d ("dt-bindings: mtd: jedec,spi-nor: add optional vcc-supply")
> 
> which resulted in the following warning:
>   spi-nor spiN.0: supply vcc not found, using dummy regulator
> 
> Fix that by specifying the vcc-supply property.
> 
> [...]

Applied, thanks!

[1/4] arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3328-rock64
      commit: 4ed658ebd7b506d468c0e28b724390b31abe1875
[2/4] arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3399-rockpro64
      commit: b630cf92dd49f6a4df06508969a2eeeba6fd946f
[3/4] arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3566-pinetab2
      commit: 4754eea38f5df6ad03cd93a4fa800d017cc5be82
[4/4] arm64: dts: rockchip: Add vcc-supply to SPI flash on rk3588-rock-5b
      commit: 67beb6b123187eaddb954fa9b070932452246d29

Best regards,
-- 
Heiko Stuebner <heiko@sntech.de>