linux-kernel - Re: [PATCH 6/7] riscv: dts: spacemit: Add a PCIe regulator for OrangePi RV2

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Message-Id: <20260204135032.46172-1-amadeus@jmu.edu.cn>
Date: Wed,  4 Feb 2026 21:50:32 +0800
From: Chukun Pan <amadeus@....edu.cn>
To: gaohan@...as.ac.cn
Cc: alex@...ti.fr,
	aou@...s.berkeley.edu,
	conor+dt@...nel.org,
	devicetree@...r.kernel.org,
	dlan@...too.org,
	krzk+dt@...nel.org,
	linux-kernel@...r.kernel.org,
	linux-riscv@...ts.infradead.org,
	palmer@...belt.com,
	pjw@...nel.org,
	rabenda.cn@...il.com,
	robh@...nel.org,
	spacemit@...ts.linux.dev,
	Chukun Pan <amadeus@....edu.cn>
Subject: Re: [PATCH 6/7] riscv: dts: spacemit: Add a PCIe regulator for OrangePi RV2

Hi,

> Define a 3.3v fixed voltage regulator to be used by PCIe on the
> OrangePi RV2. On this platform, this regulator is always on.

(...)

> +		regulator-always-on;
> +		gpio = <&gpio K1_GPIO(116) GPIO_ACTIVE_HIGH>;

Why is this regulator always on?
It is clearly controlled by gpio.

Thanks,
Chukun