[PATCH v2 3/7] drivers: phy: qcom: Add QMP USB3-DP Combo PHY driver

Tom Rini trini at konsulko.com
Mon Nov 24 20:51:08 CET 2025


On Mon, Nov 24, 2025 at 09:24:59PM +0530, Balaji Selvanathan wrote:

> Add support for the Qualcomm QMP USB3-DP Combo PHY found on
> SC7280 and QCM6490 platforms. This driver currently implements
> USB3 super-speed functionality of the combo PHY.
> 
> The QMP Combo PHY is a dual-mode PHY
> that can operate in either USB3 mode or DisplayPort mode. This
> initial implementation focuses on USB3 mode to enable Super-Speed
> USB support.
> 
> This is a port of the upstream Linux files to U-Boot:
> https://web.git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/phy/qualcomm/phy-qcom-qmp-combo.c?id=3d25d46a255a83f94d7d4d4216f38aafc8e116b0
> 
> Enabled and tested the driver on Qualcomm RB3 Gen2 (QCS6490) board.
> 
> Signed-off-by: Balaji Selvanathan <balaji.selvanathan at oss.qualcomm.com>
[snip]
> diff --git a/drivers/phy/qcom/Kconfig b/drivers/phy/qcom/Kconfig
> index 0dd69f7ffd0..49f830abf01 100644
> --- a/drivers/phy/qcom/Kconfig
> +++ b/drivers/phy/qcom/Kconfig
> @@ -12,6 +12,14 @@ config PHY_QCOM_IPQ4019_USB
>  	help
>  	  Support for the USB PHY-s on Qualcomm IPQ40xx SoC-s.
>  
> +config PHY_QCOM_QMP_COMBO
> +	bool "Qualcomm QMP USB3-DP Combo PHY driver"
> +	depends on PHY && ARCH_SNAPDRAGON
> +	help
> +	  Enable this to support the USB3-DP Combo QMP PHY on various Qualcomm
> +	  chipsets. This driver supports the USB3 PHY functionality of the combo
> +	  PHY (USB3 + DisplayPort). Currently only USB3 mode is supported.
> +
>  config PHY_QCOM_QMP_PCIE
>  	tristate "Qualcomm QMP PCIe PHY driver"

Can you please do a follow-up to fix this tristate (and any other in
qualcomm specific Kconfig files) ? Thanks!

-- 
Tom
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