linux-kernel - Re: [PATCH v2 2/3] arm64: dts: rockchip: remove vcc_3v3

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Message-Id: <20250819134028.634780-1-amadeus@jmu.edu.cn>
Date: Tue, 19 Aug 2025 21:40:28 +0800
From: Chukun Pan <amadeus@....edu.cn>
To: naoki@...xa.com
Cc: amadeus@....edu.cn,
	conor+dt@...nel.org,
	devicetree@...r.kernel.org,
	heiko@...ech.de,
	krzk+dt@...nel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-rockchip@...ts.infradead.org
Subject: Re: [PATCH v2 2/3] arm64: dts: rockchip: remove vcc_3v3_pmu regulator for Radxa E52C

Hi,

> How about the following instead?
>
> @@ -538,7 +538,7 @@ regulator-state-mem {
> 				};
> 			};
>
> -			vcc_3v3_s3: dcdc-reg8 {
> +			vcc_3v3_pmu: vcc_3v3_s3: dcdc-reg8 {
> 				regulator-name = "vcc_3v3_s3";
> 				regulator-always-on;
> 				regulator-boot-on;

On rk356x, the Flash chip is usually powered by VCCIO_FLASH, which
is also connected through a 0 ohm resistor, so I didn't write like
this. e.g. https://github.com/torvalds/linux/commit/a706a593cb19

Thanks,
Chukun

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2.25.1