Re: [PATCH v3 5/6] arm64: dts: rockchip: fix USB OTG power on Photonicat in battery mode

From: Chukun Pan

Date: Wed Nov 04 2026 - 07:41:04 EST


Hi,

> regulator_5v_boost: regulator-5v-boost {

I prefer to use vcc as a prefix for consistency.

> + * 5V_OUT is the OR-ed combination of the VBAT boost (via D5002)
> + * and VCCIN_5V (via D16).
> + * It has no enable pin of its own.
> + * Model it as a fixed regulator depending on the boost converter,
> + * so that VBAT is boosted when running on battery.

What are the benefits of doing this? This is not a real regulator.
It is the same path as 5V_BOOST. D16 controls which channel the VIN
of VCC5V0_USB30_OTG0 comes from.