11 #include <linux/phy/phy.h>
13 #include <linux/pinctrl/pinctrl-state.h>
22 	struct phy *phy;  member
29 static int qcom_usb_hsic_phy_power_on(struct phy *phy)  in qcom_usb_hsic_phy_power_on()  argument
31 	struct qcom_usb_hsic_phy *uphy = phy_get_drvdata(phy);  in qcom_usb_hsic_phy_power_on()
32 	struct ulpi *ulpi = uphy->ulpi;  in qcom_usb_hsic_phy_power_on()
36 	ret = clk_prepare_enable(uphy->phy_clk);  in qcom_usb_hsic_phy_power_on()
40 	ret = clk_prepare_enable(uphy->cal_clk);  in qcom_usb_hsic_phy_power_on()
44 	ret = clk_prepare_enable(uphy->cal_sleep_clk);  in qcom_usb_hsic_phy_power_on()
58 	/* Configure pins for HSIC functionality */  in qcom_usb_hsic_phy_power_on()
59 	pins_default = pinctrl_lookup_state(uphy->pctl, PINCTRL_STATE_DEFAULT);  in qcom_usb_hsic_phy_power_on()
63 	ret = pinctrl_select_state(uphy->pctl, pins_default);  in qcom_usb_hsic_phy_power_on()
67 	 /* Enable HSIC mode in HSIC_CFG register */  in qcom_usb_hsic_phy_power_on()
72 	/* Disable auto-resume */  in qcom_usb_hsic_phy_power_on()
80 	clk_disable_unprepare(uphy->cal_sleep_clk);  in qcom_usb_hsic_phy_power_on()
82 	clk_disable_unprepare(uphy->cal_clk);  in qcom_usb_hsic_phy_power_on()
84 	clk_disable_unprepare(uphy->phy_clk);  in qcom_usb_hsic_phy_power_on()
88 static int qcom_usb_hsic_phy_power_off(struct phy *phy)  in qcom_usb_hsic_phy_power_off()  argument
90 	struct qcom_usb_hsic_phy *uphy = phy_get_drvdata(phy);  in qcom_usb_hsic_phy_power_off()
92 	clk_disable_unprepare(uphy->cal_sleep_clk);  in qcom_usb_hsic_phy_power_off()
93 	clk_disable_unprepare(uphy->cal_clk);  in qcom_usb_hsic_phy_power_off()
94 	clk_disable_unprepare(uphy->phy_clk);  in qcom_usb_hsic_phy_power_off()
111 	uphy = devm_kzalloc(&ulpi->dev, sizeof(*uphy), GFP_KERNEL);  in qcom_usb_hsic_phy_probe()
113 		return -ENOMEM;  in qcom_usb_hsic_phy_probe()
116 	uphy->ulpi = ulpi;  in qcom_usb_hsic_phy_probe()
117 	uphy->pctl = devm_pinctrl_get(&ulpi->dev);  in qcom_usb_hsic_phy_probe()
118 	if (IS_ERR(uphy->pctl))  in qcom_usb_hsic_phy_probe()
119 		return PTR_ERR(uphy->pctl);  in qcom_usb_hsic_phy_probe()
121 	uphy->phy_clk = clk = devm_clk_get(&ulpi->dev, "phy");  in qcom_usb_hsic_phy_probe()
125 	uphy->cal_clk = clk = devm_clk_get(&ulpi->dev, "cal");  in qcom_usb_hsic_phy_probe()
129 	uphy->cal_sleep_clk = clk = devm_clk_get(&ulpi->dev, "cal_sleep");  in qcom_usb_hsic_phy_probe()
133 	uphy->phy = devm_phy_create(&ulpi->dev, ulpi->dev.of_node,  in qcom_usb_hsic_phy_probe()
135 	if (IS_ERR(uphy->phy))  in qcom_usb_hsic_phy_probe()
136 		return PTR_ERR(uphy->phy);  in qcom_usb_hsic_phy_probe()
137 	phy_set_drvdata(uphy->phy, uphy);  in qcom_usb_hsic_phy_probe()
139 	p = devm_of_phy_provider_register(&ulpi->dev, of_phy_simple_xlate);  in qcom_usb_hsic_phy_probe()
144 	{ .compatible = "qcom,usb-hsic-phy", },
158 MODULE_DESCRIPTION("Qualcomm USB HSIC phy");