1 // SPDX-License-Identifier: GPL-2.0+
4  * Authors: Daniel Meng <daniel.meng@rock-chips.com>
13 #include <linux/usb/dwc3.h>
31 	struct dwc3 *dwc3_reg;
42 	plat->hcd_base = dev_read_addr(dev);  in xhci_usb_ofdata_to_platdata()
43 	if (plat->hcd_base == FDT_ADDR_T_NONE) {  in xhci_usb_ofdata_to_platdata()
45 		return -ENXIO;  in xhci_usb_ofdata_to_platdata()
49 	ret = device_get_supply_regulator(dev, "vbus-supply",  in xhci_usb_ofdata_to_platdata()
50 					  &plat->vbus_supply);  in xhci_usb_ofdata_to_platdata()
58  * rockchip_dwc3_phy_setup() - Configure USB PHY Interface of DWC3 Core
62 static void rockchip_dwc3_phy_setup(struct dwc3 *dwc3_reg,  in rockchip_dwc3_phy_setup()
68 	/* Set dwc3 usb2 phy config */  in rockchip_dwc3_phy_setup()
69 	reg = readl(&dwc3_reg->g_usb2phycfg[0]);  in rockchip_dwc3_phy_setup()
71 	if (dev_read_bool(dev, "snps,dis-enblslpm-quirk"))  in rockchip_dwc3_phy_setup()
74 	utmi_bits = dev_read_u32_default(dev, "snps,phyif-utmi-bits", -1);  in rockchip_dwc3_phy_setup()
85 	if (dev_read_bool(dev, "snps,dis-u2-freeclk-exists-quirk"))  in rockchip_dwc3_phy_setup()
88 	if (dev_read_bool(dev, "snps,dis-u2-susphy-quirk"))  in rockchip_dwc3_phy_setup()
91 	writel(reg, &dwc3_reg->g_usb2phycfg[0]);  in rockchip_dwc3_phy_setup()
99 	ret = dwc3_core_init(rkxhci->dwc3_reg);  in rockchip_xhci_core_init()
105 	rockchip_dwc3_phy_setup(rkxhci->dwc3_reg, dev);  in rockchip_xhci_core_init()
107 	/* We are hard-coding DWC3 core to Host Mode */  in rockchip_xhci_core_init()
108 	dwc3_set_mode(rkxhci->dwc3_reg, DWC3_GCTL_PRTCAP_HOST);  in rockchip_xhci_core_init()
125 	ctx->hcd = (struct xhci_hccr *)plat->hcd_base;  in xhci_usb_probe()
126 	ctx->dwc3_reg = (struct dwc3 *)((char *)(ctx->hcd) + DWC3_REG_OFFSET);  in xhci_usb_probe()
127 	hcor = (struct xhci_hcor *)((uint64_t)ctx->hcd +  in xhci_usb_probe()
128 			HC_LENGTH(xhci_readl(&ctx->hcd->cr_capbase)));  in xhci_usb_probe()
130 	if (plat->vbus_supply) {  in xhci_usb_probe()
131 		ret = regulator_set_enable(plat->vbus_supply, true);  in xhci_usb_probe()
144 	return xhci_register(dev, ctx->hcd, hcor);  in xhci_usb_probe()
160 	if (plat->vbus_supply) {  in xhci_usb_remove()
161 		ret = regulator_set_enable(plat->vbus_supply, false);  in xhci_usb_remove()
170 	{ .compatible = "rockchip,rk3399-xhci" },
171 	{ .compatible = "rockchip,rk3328-xhci" },
190 	{ .compatible = "rockchip,rk3399-usb3-phy" },
191 	{ .compatible = "rockchip,rk3328-usb3-phy" },