Re: [PATCH v2 2/2] phy: add a driver for T-Head TH1520 USB PHY

From: Drew Fustini

Date: Tue Jul 28 2026 - 17:53:42 EST


On Thu, Jul 23, 2026 at 04:43:16PM +0800, Icenowy Zheng wrote:
> The USB PHY on T-Head TH1520 SoC is a Synopsys USB 3.0 FemtoPHY, with
> some PHY parameters exported as another system controller along with it.
>
> As a few PHY parameters' default value isn't ready to work, add a driver
> configuring them before letting the PHY run, in addition to
> clock/reset/regulator management.

The second paragragh might read better as:

"A few PHY parameters have unusable defaults. Add a driver that programs
them before releasing the PHY from reset. [..]"

Thanks,
Drew