[PATCH v3 05/14] phy: qcom: qmp-usbc: Add DP-related fields for USB/DP switchable PHY

Dmitry Baryshkov dmitry.baryshkov at oss.qualcomm.com
Wed Aug 20 11:47:24 UTC 2025


On Wed, Aug 20, 2025 at 05:34:47PM +0800, Xiangxu Yin wrote:
> Extend qmp_usbc_offsets and qmp_phy_cfg with DP-specific fields,
> including register offsets, init tables, and callback hooks. Also
> update qmp_usbc struct to track DP-related resources and state.
> This enables support for USB/DP switchable Type-C PHYs that operate
> in either mode.
> 
> Signed-off-by: Xiangxu Yin <xiangxu.yin at oss.qualcomm.com>
> ---
>  drivers/phy/qualcomm/phy-qcom-qmp-usbc.c | 73 ++++++++++++++++++++++++--------
>  1 file changed, 55 insertions(+), 18 deletions(-)
> 
>  
> +	struct regmap *tcsr_map;
> +	u32 vls_clamp_reg;
> +	u32 dp_phy_mode_reg;
> +
>  	struct mutex phy_mutex;
>  
> +	struct phy *usb_phy;

Should be a part of the previous patch.

>  	enum phy_mode mode;
>  	unsigned int usb_init_count;
>  
> -	struct phy *phy;

Similarly.

> -
> -	struct clk_fixed_rate pipe_clk_fixed;
> +	struct phy *dp_phy;
> +	unsigned int dp_aux_cfg;
> +	struct phy_configure_opts_dp dp_opts;
> +	unsigned int dp_init_count;
>  
>  	struct typec_switch_dev *sw;
>  	enum typec_orientation orientation;
> @@ -874,11 +911,11 @@ static int qmp_usbc_typec_switch_set(struct typec_switch_dev *sw,
>  	qmp->orientation = orientation;
>  
>  	if (qmp->usb_init_count) {
> -		qmp_usbc_usb_power_off(qmp->phy);
> -		qmp_usbc_com_exit(qmp->phy);
> +		qmp_usbc_usb_power_off(qmp->usb_phy);
> +		qmp_usbc_com_exit(qmp->usb_phy);
>  
> -		qmp_usbc_com_init(qmp->phy);
> -		qmp_usbc_usb_power_on(qmp->phy);
> +		qmp_usbc_com_init(qmp->usb_phy);
> +		qmp_usbc_usb_power_on(qmp->usb_phy);

and these.

>  	}
>  
>  	mutex_unlock(&qmp->phy_mutex);
> @@ -1106,14 +1143,14 @@ static int qmp_usbc_probe(struct platform_device *pdev)
>  	if (ret)
>  		goto err_node_put;
>  
> -	qmp->phy = devm_phy_create(dev, np, &qmp_usbc_usb_phy_ops);
> -	if (IS_ERR(qmp->phy)) {
> -		ret = PTR_ERR(qmp->phy);
> +	qmp->usb_phy = devm_phy_create(dev, np, &qmp_usbc_usb_phy_ops);
> +	if (IS_ERR(qmp->usb_phy)) {
> +		ret = PTR_ERR(qmp->usb_phy);
>  		dev_err(dev, "failed to create PHY: %d\n", ret);
>  		goto err_node_put;
>  	}
>  
> -	phy_set_drvdata(qmp->phy, qmp);
> +	phy_set_drvdata(qmp->usb_phy, qmp);
>  
>  	of_node_put(np);
>  
> 
> -- 
> 2.34.1
> 

-- 
With best wishes
Dmitry


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