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3 Commits

Author SHA1 Message Date
Sumit Garg
45acd9d2d4
phy: phy-qcom-qusb2: Fix USB PHY power on sequence 
Recent addition of support for SDM660 inadvertently broke USB PHY power
on sequence on RB1/RB2 and others with following error:

starting USB...
Bus usb@4e00000: QUSB2PHY pll lock failed: status reg = 0
qcom-qusb2-phy phy@1613000: PHY: Failed to power on phy@1613000: -16.
Can't power on PHY0
probe failed, error -16
No USB controllers found

The root cause was the addition of flag se_clk_scheme_default which was
configured correctly for SDM660 but incorrect for all other supported
SoC. Fix that by properly assignment as per upstream Linux driver.

Fixes: 475497dc3c15 ("phy: Add SDM660 support to Qualcomm QUSB2 phy")
Signed-off-by: Sumit Garg <sumit.garg@oss.qualcomm.com>
Reviewed-by:
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20250410080027.208674-3-sumit.garg@kernel.org
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
 2025-04-10 15:43:12 +02:00
Alexey Minnekhanov
ec2850e40c
phy: Add SDM660 support to Qualcomm QUSB2 phy 
Imported from Linux driver.

Note that already existing but previously unused member of
struct qusb2_phy::has_se_clk_scheme is now utilized for it's
purpose.

Signed-off-by: Alexey Minnekhanov <alexeymin@postmarketos.org>
Reviewed-by: Caleb Connolly <caleb.connolly@linaro.org>
Link: https://lore.kernel.org/r/20250325083713.2425430-1-alexeymin@postmarketos.org
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
 2025-04-10 15:43:08 +02:00
Bhupesh Sharma
8b133fc19c
phy: qcom: add Qualcomm QUSB2 USB PHY driver 
The Snapdragon 845 and several other Qualcomm SoCs feature this
USB high-speed phy. Add a driver for it based on the Linux driver, with
support for the SDM845, and the QCM2290 and SM6115 SoCs which will gain
support in U-Boot in future patches.

Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org>
[code cleanup, switch to clk_bulk]
Acked-by: Sumit Garg <sumit.garg@linaro.org>
Signed-off-by: Caleb Connolly <caleb.connolly@linaro.org>
 2024-04-04 17:46:46 +02:00