drivers/phy/msm8916-usbh-phy.c

1 // SPDX-License-Identifier: GPL-2.0+
8 #include <generic-phy.h>
9 #include <usb/ehci-ci.h>
10 #include <usb/ulpi.h>
25 	struct ulpi_viewport ulpi_vp; /* ULPI Viewport */
30 	struct msm_phy_priv *priv = dev_get_priv(phy->dev);  in msm_phy_power_on()
33 	ulpi_write(&priv->ulpi_vp, (u8 *)ULPI_MISC_A_SET,  in msm_phy_power_on()
41 	struct msm_phy_priv *priv = dev_get_priv(phy->dev);  in msm_phy_power_off()
44 	ulpi_write(&priv->ulpi_vp, (u8 *)ULPI_MISC_A_CLEAR,  in msm_phy_power_off()
51 	struct msm_phy_priv *p = dev_get_priv(phy->dev);  in msm_phy_reset()
53 	/* select ULPI phy */  in msm_phy_reset()
54 	writel(PORT_PTS_ULPI, &p->ehci->portsc);  in msm_phy_reset()
57 	setbits_le32(&p->ehci->genconfig2, GEN2_SESS_VLD_CTRL_EN);  in msm_phy_reset()
59 	/* Enable external vbus configuration in the LINK */  in msm_phy_reset()
60 	setbits_le32(&p->ehci->usbcmd, SESS_VLD_CTRL);  in msm_phy_reset()
63 	writel(0x0, &p->ehci->sbuscfg);  in msm_phy_reset()
67 	writel(0x08, &p->ehci->sbusmode);  in msm_phy_reset()
76 	priv->regs = dev_remap_addr(dev);  in msm_phy_probe()
77 	if (!priv->regs)  in msm_phy_probe()
78 		return -EINVAL;  in msm_phy_probe()
80 	priv->ehci = (struct usb_ehci *)priv->regs;  in msm_phy_probe()
81 	priv->ulpi_vp.port_num = 0;  in msm_phy_probe()
84 	 * ULPI design.  in msm_phy_probe()
86 	priv->ulpi_vp.viewport_addr = (phys_addr_t)&priv->ehci->ulpi_viewpoint;  in msm_phy_probe()
98 	{ .compatible = "qcom,apq8016-usbphy" },