linux-kernel - Re: [PATCH 1/3] arm64: dts: rockchip: remove rtc regulator for ArmSoM Sige5

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Message-ID: <aUlGPGFYYf8Ndn5D@venus>
Date: Mon, 22 Dec 2025 14:24:57 +0100
From: Sebastian Reichel <sebastian.reichel@...labora.com>
To: Chukun Pan <amadeus@....edu.cn>
Cc: Heiko Stuebner <heiko@...ech.de>, Rob Herring <robh@...nel.org>, 
	Conor Dooley <conor+dt@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, 
	linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	devicetree@...r.kernel.org
Subject: Re: [PATCH 1/3] arm64: dts: rockchip: remove rtc regulator for
 ArmSoM Sige5

Hi,

On Sat, Dec 20, 2025 at 06:00:08PM +0800, Chukun Pan wrote:
> According to the schematic, RTC is powered by vcc_3v3_s3.
> The vcc_3v3_rtc_s5 regulator does not exist, remove it.
> 
> Signed-off-by: Chukun Pan <amadeus@....edu.cn>
> ---

That's true for all board revisions that have a public schematic
(1.1, 1.2 and 1.3), so:

Reviewed-by: Sebastian Reichel <sebastian.reichel@...labora.com>

-- Sebastian

>  arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts | 10 ----------
>  1 file changed, 10 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts b/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts
> index 3386084f6318..392ba83ab05a 100644
> --- a/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts
> +++ b/arch/arm64/boot/dts/rockchip/rk3576-armsom-sige5.dts
> @@ -156,16 +156,6 @@ vcc_3v3_pcie: regulator-vcc-3v3-pcie {
>  		vin-supply = <&vcc_5v0_sys>;
>  	};
>  
> -	vcc_3v3_rtc_s5: regulator-vcc-3v3-rtc-s5 {
> -		compatible = "regulator-fixed";
> -		regulator-name = "vcc_3v3_rtc_s5";
> -		regulator-boot-on;
> -		regulator-always-on;
> -		regulator-min-microvolt = <3300000>;
> -		regulator-max-microvolt = <3300000>;
> -		vin-supply = <&vcc_5v0_sys>;
> -	};
> -
>  	vcc_3v3_s0: regulator-vcc-3v3-s0 {
>  		compatible = "regulator-fixed";
>  		regulator-name = "vcc_3v3_s0";
> -- 
> 2.25.1
> 
> 

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