[PATCH 2/2] phy: rockchip: inno-usb2: add usb2 phy support for rk3562

[Heiko Stübner]

Am Dienstag, 24. Dezember 2024, 10:42:40 CET schrieb Kever Yang:
> From: Frank Wang <frank.wang at rock-chips.com>
> 
> RK3652 has one USB2.0 PHY with two ports, the OTG port support OTG
> and BC1.2, the SoC provide USB GRF and APB to access the registers.
> 
> This adds vbus detection function control and make the below tuning
> to enhance the usb2-phy SQ for RK3562 SoC.
>  - enable pre-emphasis during non-chirp phase
>  - set HS eye height to 425mv
>  - turn off differential receiver by default to save power
> 
> Signed-off-by: Frank Wang <frank.wang at rock-chips.com>
> Signed-off-by: William Wu <william.wu at rock-chips.com>
> Signed-off-by: Kever Yang <kever.yang at rock-chips.com>

Reviewed-by: Heiko Stuebner <heiko at sntech.de>