[PATCH] phy: mediatek: xsphy: clear U2 DTM0 force bits during init

Manivannan Sadhasivam mani at kernel.org
Sat Sep 26 07:19:39 PDT 2026


On Sat, Jul 11, 2026 at 01:34:46PM +0300, Nikolai Burov via B4 Relay wrote:
> From: Nikolai Burov <nikolai.burov at jolla.com>
> 
> On mobile SoCs, the USB PHY is completely powered off during bootup.
> As a result, various bits in the DTM0 register are set that prevent
> the USB 2.0 PHY from functioning. Clear them as part of the
> initialization sequence.
> 
> Signed-off-by: Nikolai Burov <nikolai.burov at jolla.com>

Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam at oss.qualcomm.com>

- Mani

-- 
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