1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
47 #include <dev/phy/phy_usb.h>
49 #include <dev/syscon/syscon.h>
83 	{ "rockchip,rk3399-usb2phy",	(uintptr_t)&rk3399_regs },
84 	{ "rockchip,rk3568-usb2phy",	(uintptr_t)&rk3568_regs },
90 	struct syscon		*grf;
93 	int			mode;  member
96 /* Phy class and methods. */
98 static int rk_usb2phy_get_mode(struct phynode *phy, int *mode);
99 static int rk_usb2phy_set_mode(struct phynode *phy, int mode);
122 	intptr_t phy;  in rk_usb2phy_enable()  local
126 	phy = phynode_get_id(phynode);  in rk_usb2phy_enable()
129 	if (phy != RK_USBPHY_HOST)  in rk_usb2phy_enable()
132 	if (sc->phy_supply) {  in rk_usb2phy_enable()
134 			error = regulator_enable(sc->phy_supply);  in rk_usb2phy_enable()
136 			error = regulator_disable(sc->phy_supply);  in rk_usb2phy_enable()
150 rk_usb2phy_get_mode(struct phynode *phynode, int *mode)  in rk_usb2phy_get_mode()  argument
153 	intptr_t phy;  in rk_usb2phy_get_mode()  local
157 	phy = phynode_get_id(phynode);  in rk_usb2phy_get_mode()
160 	if (phy != RK_USBPHY_HOST)  in rk_usb2phy_get_mode()
163 	*mode = sc->mode;  in rk_usb2phy_get_mode()
169 rk_usb2phy_set_mode(struct phynode *phynode, int mode)  in rk_usb2phy_set_mode()  argument
172 	intptr_t phy;  in rk_usb2phy_set_mode()  local
176 	phy = phynode_get_id(phynode);  in rk_usb2phy_set_mode()
179 	if (phy != RK_USBPHY_HOST)  in rk_usb2phy_set_mode()
182 	sc->mode = mode;  in rk_usb2phy_set_mode()
190 	struct syscon	*grf;
210 		SYSCON_WRITE_4(sc->grf, sc->regs->clk_ctl.offset,  in rk_usb2phy_clk_set_gate()
211 		    sc->regs->clk_ctl.enable_mask);  in rk_usb2phy_clk_set_gate()
213 		SYSCON_WRITE_4(sc->grf, sc->regs->clk_ctl.offset,  in rk_usb2phy_clk_set_gate()
214 		    sc->regs->clk_ctl.disable_mask);  in rk_usb2phy_clk_set_gate()
268 	node = ofw_bus_get_node(devsc->dev);  in rk_usb2phy_export_clock()
271 	    "#clock-cells", &ncells);  in rk_usb2phy_export_clock()
273 		device_printf(devsc->dev, "couldn't find parent clock\n");  in rk_usb2phy_export_clock()
277 	nclocks = ofw_bus_string_list_to_array(node, "clock-output-names",  in rk_usb2phy_export_clock()
282 	clkdom = clkdom_create(devsc->dev);  in rk_usb2phy_export_clock()
290 		error = clk_get_by_ofw_index(devsc->dev, 0, i, &clk_parent);  in rk_usb2phy_export_clock()
292 			device_printf(devsc->dev, "cannot get clock %d\n", error);  in rk_usb2phy_export_clock()
302 		device_printf(devsc->dev, "cannot create clknode\n");  in rk_usb2phy_export_clock()
307 	sc->clkdev = device_get_parent(devsc->dev);  in rk_usb2phy_export_clock()
308 	sc->grf = devsc->grf;  in rk_usb2phy_export_clock()
309 	sc->regs = (struct rk_usb2phy_regs *)ofw_bus_search_compatible(devsc->dev, compat_data)->ocd_data;  in rk_usb2phy_export_clock()
310 	if (sc->regs->clk_ctl.offset == 0) {  in rk_usb2phy_export_clock()
312 		sc->regs->clk_ctl.offset = regs[0];  in rk_usb2phy_export_clock()
317 		device_printf(devsc->dev, "cannot finalize clkdom initialization\n");  in rk_usb2phy_export_clock()
334 	if (ofw_bus_search_compatible(dev, compat_data)->ocd_data == 0)  in rk_usb2phy_probe()
351 	sc->dev = dev;  in rk_usb2phy_attach()
356 		    &sc->grf)) {  in rk_usb2phy_attach()
357 			device_printf(dev, "Cannot get syscon handle\n");  in rk_usb2phy_attach()
362 		if (syscon_get_handle_default(dev, &sc->grf)) {  in rk_usb2phy_attach()
363 			device_printf(dev, "Cannot get syscon handle\n");  in rk_usb2phy_attach()
368 	if (clk_get_by_ofw_name(dev, 0, "phyclk", &sc->clk) != 0) {  in rk_usb2phy_attach()
372 	err = clk_enable(sc->clk);  in rk_usb2phy_attach()
375 		    clk_get_name(sc->clk));  in rk_usb2phy_attach()
385 	host = ofw_bus_find_child(node, "host-port");  in rk_usb2phy_attach()
387 		device_printf(dev, "Cannot find host-port child node\n");  in rk_usb2phy_attach()
392 		device_printf(dev, "host-port isn't okay\n");  in rk_usb2phy_attach()
396 	regulator_get_by_ofw_property(dev, host, "phy-supply", &sc->phy_supply);  in rk_usb2phy_attach()