[PATCH v4 6/6] phy: qcom: snps-femto-v2: Add IPQ9650 support

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Mon Oct 5 00:17:32 PDT 2026


On Mon, Oct 05, 2026 at 12:06:31PM +0530, Varadarajan Narayanan wrote:
> Add the 6 nm SNPS femto USB2 PHY configuration needed by IPQ9650. The PHYs
> on this SoC require a dedicated init sequence and override parameters
> before they can be enabled.
> 
> Signed-off-by: Varadarajan Narayanan <varadarajan.narayanan at oss.qualcomm.com>
> ---
>  drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c | 62 +++++++++++++++++++++++++++
>  1 file changed, 62 insertions(+)
> 
> diff --git a/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c b/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
> index b6bbf2b570c7..8957f208bc51 100644
> --- a/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
> +++ b/drivers/phy/qualcomm/phy-qcom-snps-femto-v2.c
> @@ -29,12 +29,15 @@
>  
>  #define USB2_PHY_USB_PHY_UTMI_CTRL5		(0x50)
>  #define POR					BIT(1)
> +#define ATERESET				BIT(0)
>  
>  #define USB2_PHY_USB_PHY_HS_PHY_CTRL_COMMON0	(0x54)
>  #define SIDDQ					BIT(2)
>  #define RETENABLEN				BIT(3)
>  #define FSEL_MASK				GENMASK(6, 4)
>  #define FSEL_DEFAULT				(0x3 << 4)
> +#define FSEL_24MHZ				(0x2 << 4)

Use FIELD_PREP, please.

> +#define VATESTENB_MASK				GENMASK(1, 0)
>  
>  #define USB2_PHY_USB_PHY_HS_PHY_CTRL_COMMON1	(0x58)
>  #define VBUSVLDEXTSEL0				BIT(4)

-- 
With best wishes
Dmitry



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