2023-12-06 00:51:02

by Shawn Guo

[permalink] [raw]
Subject: Re: [PATCH v2] arm64: dts: imx8mn-var-som-symphony: add vcc supply for PCA9534

On Tue, Nov 07, 2023 at 10:50:40AM -0500, Hugo Villeneuve wrote:
> From: Hugo Villeneuve <[email protected]>
>
> The following warning is shown when probing device:
>
> pca953x 1-0020: supply vcc not found, using dummy regulator
>
> Define a new fixed 3.3v regulator for carrier board peripherals,
> enabled by mosfet switch Q2 after the SOM_3V3 supply rises (no software
> control).
>
> Add this new regulator as vcc supply to the PCA9534 to silence the warning.
>
> Signed-off-by: Hugo Villeneuve <[email protected]>

Applied, thanks!