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

Chukun Pan amadeus at jmu.edu.cn
Wed Nov 4 04:40:20 PST 2026


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. 



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