1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
41 #include <dev/phy/phy_usb.h>
43 #include <dev/syscon/syscon.h>
47 #include <dev/syscon/syscon.h>
55 /* Phy registers */
67 #define	WR4(_sc, _r, _v)	bus_write_4((_sc)->mem_res, (_r), (_v))
68 #define	RD4(_sc, _r)		bus_read_4((_sc)->mem_res, (_r))
72 	{"rockchip,rk3288-usb-phy",	1},
83 	int			mode;  member
87 	struct syscon		*syscon;  member
91 rk_phynode_phy_enable(struct phynode *phy, bool enable)  in rk_phynode_phy_enable()  argument
96 	sc = phynode_get_softc(phy);  in rk_phynode_phy_enable()
98 	rv = SYSCON_MODIFY_4(sc->syscon,  in rk_phynode_phy_enable()
99 	    sc->base + UOC_CON0,  in rk_phynode_phy_enable()
108 rk_phynode_get_mode(struct phynode *phynode, int *mode)  in rk_phynode_get_mode()  argument
113 	*mode = sc->mode;  in rk_phynode_get_mode()
118 rk_phynode_set_mode(struct phynode *phynode, int mode)  in rk_phynode_set_mode()  argument
123 	sc->mode = mode;  in rk_phynode_set_mode()
129  /* Phy controller class and methods. */
150 	struct syscon *syscon;  in rk_usbphy_init_phy()  local
158 		device_printf(sc->dev, "cannot get 'reg' property.\n");  in rk_usbphy_init_phy()
163 	rv = clk_get_by_ofw_name(sc->dev, node, "phyclk", &clk);  in rk_usbphy_init_phy()
165 		device_printf(sc->dev, "cannot get 'phyclk' clock.\n");  in rk_usbphy_init_phy()
168 	rv = hwreset_get_by_ofw_name(sc->dev, node, "phy-reset", &hwreset);  in rk_usbphy_init_phy()
170 		device_printf(sc->dev, "Cannot get 'phy-reset' reset\n");  in rk_usbphy_init_phy()
173 	rv = regulator_get_by_ofw_property(sc->dev, node, "vbus-supply",  in rk_usbphy_init_phy()
176 		device_printf(sc->dev,  "Cannot get 'vbus' regulator.\n");  in rk_usbphy_init_phy()
180 	rv = SYSCON_GET_HANDLE(sc->dev, &syscon);  in rk_usbphy_init_phy()
182 		device_printf(sc->dev, "Cannot get parent syscon\n");  in rk_usbphy_init_phy()
190 			device_printf(sc->dev, "Cannot assert reset\n");  in rk_usbphy_init_phy()
197 			device_printf(sc->dev,  in rk_usbphy_init_phy()
206 			device_printf(sc->dev, "Cannot deassert reset\n");  in rk_usbphy_init_phy()
211 	/* Create and register phy. */  in rk_usbphy_init_phy()
215 	phynode = phynode_create(sc->dev, &rk_phynode_class, &phy_init);  in rk_usbphy_init_phy()
217 		device_printf(sc->dev, "Cannot create phy.\n");  in rk_usbphy_init_phy()
222 	phy_sc->base = base;  in rk_usbphy_init_phy()
223 	phy_sc->clk = clk;  in rk_usbphy_init_phy()
224 	phy_sc->hwreset = hwreset;  in rk_usbphy_init_phy()
225 	phy_sc->supply_vbus = supply_vbus;  in rk_usbphy_init_phy()
226 	phy_sc->syscon = syscon;  in rk_usbphy_init_phy()
228 		device_printf(sc->dev, "Cannot register phy.\n");  in rk_usbphy_init_phy()
253 	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)  in rk_usbphy_probe()
256 	device_set_desc(dev, "RockChip USB Phy");  in rk_usbphy_probe()
268 	sc->dev = dev;  in rk_usbphy_attach()
269 	node = ofw_bus_get_node(sc->dev);  in rk_usbphy_attach()