[PATCH] phy: Add MSM8996 support to Qualcomm QUSB2 phy

[Casey Connolly]

Hi Biswapriyo,

On 12/7/25 19:49, nathbappai at gmail.com wrote:
> From: Biswapriyo Nath <nathbappai at gmail.com>
> 
> This change is imported from Linux driver and tested with SM6125 SoC.
> Note, the msm8996_phy_cfg struct is same as sdm660_phy_cfg but
> qusb2_phy_cfg::se_clk_scheme_default differs only.
> 
> Signed-off-by: Biswapriyo Nath <nathbappai at gmail.com>

Thanks for this! Excited to see sm6125 support :D

Reviewed-by: Casey Connolly <casey.connolly at linaro.org>

> ---
> 
>   drivers/phy/qcom/phy-qcom-qusb2.c | 14 ++++++++++++++
>   1 file changed, 14 insertions(+)
> 
> diff --git a/drivers/phy/qcom/phy-qcom-qusb2.c b/drivers/phy/qcom/phy-qcom-qusb2.c
> index d98f6108..9e821365 100644
> --- a/drivers/phy/qcom/phy-qcom-qusb2.c
> +++ b/drivers/phy/qcom/phy-qcom-qusb2.c
> @@ -224,6 +224,18 @@ static const unsigned int qusb2_v2_regs_layout[] = {
>   	[QUSB2PHY_INTR_CTRL] = 0x230,
>   };
>   
> +static const struct qusb2_phy_cfg msm8996_phy_cfg = {
> +	.tbl = msm8996_init_tbl,
> +	.tbl_num = ARRAY_SIZE(msm8996_init_tbl),
> +	.regs = sm6115_regs_layout,
> +
> +	.has_pll_test = true,
> +	.se_clk_scheme_default = true,
> +	.disable_ctrl = (CLAMP_N_EN | FREEZIO_N | POWER_DOWN),
> +	.mask_core_ready = PLL_LOCKED,
> +	.autoresume_en = BIT(3),
> +};
> +
>   static const struct qusb2_phy_cfg sm6115_phy_cfg = {
>   	.tbl = sm6115_init_tbl,
>   	.tbl_num = ARRAY_SIZE(sm6115_init_tbl),
> @@ -450,6 +462,8 @@ static struct phy_ops qusb2phy_ops = {
>   };
>   
>   static const struct udevice_id qusb2phy_ids[] = {
> +	{ .compatible = "qcom,msm8996-qusb2-phy",
> +	  .data = (ulong)&msm8996_phy_cfg },
>   	{ .compatible = "qcom,qusb2-phy" },
>   	{ .compatible = "qcom,qcm2290-qusb2-phy",
>   	  .data = (ulong)&sm6115_phy_cfg },