[PATCH v2 2/2] arm64: dts: rockchip: Add Radxa E54C

Shawn Lin shawn.lin at rock-chips.com
Sat Oct 10 20:14:27 PDT 2026


Hi Chukun

在 2026/08/20 星期四 18:00, Chukun Pan 写道:
> The Radxa E54C is a high-performance network computer with
> the Rockchip RK3582 SoC. It has the following features:
> 

...

> +
> +	vcc3v3_pcie: regulator-3v3-pcie {
> +		compatible = "regulator-fixed";
> +		regulator-name = "vcc3v3_pcie";
> +		regulator-always-on;
> +		regulator-boot-on;
> +		regulator-min-microvolt = <3300000>;
> +		regulator-max-microvolt = <3300000>;
> +		vin-supply = <&vcc_sysin>;
> +	};
> +

I was checking all PCIe part of rockchip dts files and wondered why it's
marked as an always-on regulator. But if it's actually not, it'd be 
better to improve it later. That would make reset rootport mechanism
work better.



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