1 // SPDX-License-Identifier: GPL-2.0+
11 #include <generic-phy.h>
15 #include <reset-uclass.h>
27 	POWER_SUPPLY_TYPE_USB_FLOATING,	/* DCP without shorting D+/D- */
45  * struct rockchip_chg_det_reg: usb charger detect registers
59  * struct rockchip_usb2phy_port_cfg: usb phy port configuration.
60  * @bypass_otgsuspendm: otg-suspendm bypass control register.
61  *			 0: iddig; 1: grf.
120  * struct rockchip_usb2phy_cfg: usb phy configuration.
121  * @reg: the address offset of grf for usb-phy config.
141  * @grf: General Register Files register base.
143  * @vbus_supply: vbus supply for usb host.
147 	void __iomem		*grf;  member
158 	tmp = en ? reg->enable : reg->disable;  in property_enable()
159 	mask = GENMASK(reg->bitend, reg->bitstart);  in property_enable()
160 	val = (tmp << reg->bitstart) | (mask << U2PHY_BIT_WRITEABLE_SHIFT);  in property_enable()
162 	writel(val, base + reg->offset);  in property_enable()
171 	u32 mask = GENMASK(reg->bitend, reg->bitstart);  in property_enabled()
173 	orig = readl(base + reg->offset);  in property_enabled()
175 	tmp = (orig & mask) >> reg->bitstart;  in property_enabled()
177 	return tmp == reg->enable;  in property_enabled()
206 	ret = uclass_get_device_by_name(UCLASS_PHY, "usb2-phy", &udev);  in rockchip_chg_get_type()
207 	if (ret == -ENODEV) {  in rockchip_chg_get_type()
216 	port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];  in rockchip_chg_get_type()
218 	/* Check USB-Vbus status first */  in rockchip_chg_get_type()
219 	if (!property_enabled(rphy->grf, &port_cfg->utmi_bvalid)) {  in rockchip_chg_get_type()
224 	reset_assert(rphy->reset);  in rockchip_chg_get_type()
227 	property_enable(rphy->grf, &rphy->phy_cfg->chg_det.chg_en, true);  in rockchip_chg_get_type()
228 	property_enable(rphy->grf, &rphy->phy_cfg->chg_det.chg_rst, false);  in rockchip_chg_get_type()
233 		chg_valid = property_enabled(rphy->grf,  in rockchip_chg_get_type()
234 					     &rphy->phy_cfg->chg_det.chg_valid);  in rockchip_chg_get_type()
236 			property_enabled(rphy->grf,  in rockchip_chg_get_type()
237 					 &rphy->phy_cfg->chg_det.phy_connect);  in rockchip_chg_get_type()
248 	reset_deassert(rphy->reset);  in rockchip_chg_get_type()
250 	property_enable(rphy->grf, &rphy->phy_cfg->chg_det.chg_rst, true);  in rockchip_chg_get_type()
251 	property_enable(rphy->grf, &rphy->phy_cfg->chg_det.chg_en, false);  in rockchip_chg_get_type()
268 	struct udevice *parent = phy->dev->parent;  in rockchip_usb2phy_check_vbus()
271 	void __iomem *base = rphy->grf;  in rockchip_usb2phy_check_vbus()
275 	if (phy->id == USB2PHY_PORT_HOST) {  in rockchip_usb2phy_check_vbus()
276 		vbus = rphy->vbus_supply[USB2PHY_PORT_HOST];  in rockchip_usb2phy_check_vbus()
277 	} else if (phy->id == USB2PHY_PORT_OTG) {  in rockchip_usb2phy_check_vbus()
278 		port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];  in rockchip_usb2phy_check_vbus()
279 		if (port_cfg->utmi_iddig.offset) {  in rockchip_usb2phy_check_vbus()
280 			iddig = property_enabled(base, &port_cfg->utmi_iddig);  in rockchip_usb2phy_check_vbus()
282 				vbus = rphy->vbus_supply[USB2PHY_PORT_OTG];  in rockchip_usb2phy_check_vbus()
291 	struct udevice *parent = phy->dev->parent;  in rockchip_usb2phy_init()
295 	if (phy->id == USB2PHY_PORT_OTG) {  in rockchip_usb2phy_init()
296 		port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];  in rockchip_usb2phy_init()
297 	} else if (phy->id == USB2PHY_PORT_HOST) {  in rockchip_usb2phy_init()
298 		port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_HOST];  in rockchip_usb2phy_init()
300 		dev_err(phy->dev, "phy id %lu not support", phy->id);  in rockchip_usb2phy_init()
301 		return -EINVAL;  in rockchip_usb2phy_init()
304 	property_enable(rphy->grf, &port_cfg->phy_sus, false);  in rockchip_usb2phy_init()
314 	struct udevice *parent = phy->dev->parent;  in rockchip_usb2phy_exit()
318 	if (phy->id == USB2PHY_PORT_OTG) {  in rockchip_usb2phy_exit()
319 		port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_OTG];  in rockchip_usb2phy_exit()
320 	} else if (phy->id == USB2PHY_PORT_HOST) {  in rockchip_usb2phy_exit()
321 		port_cfg = &rphy->phy_cfg->port_cfgs[USB2PHY_PORT_HOST];  in rockchip_usb2phy_exit()
323 		dev_err(phy->dev, "phy id %lu not support", phy->id);  in rockchip_usb2phy_exit()
324 		return -EINVAL;  in rockchip_usb2phy_exit()
327 	property_enable(rphy->grf, &port_cfg->phy_sus, true);  in rockchip_usb2phy_exit()
369 	const char *dev_name = phy->dev->name;  in rockchip_usb2phy_of_xlate()
370 	struct udevice *parent = phy->dev->parent;  in rockchip_usb2phy_of_xlate()
373 	if (!strcasecmp(dev_name, "host-port")) {  in rockchip_usb2phy_of_xlate()
374 		phy->id = USB2PHY_PORT_HOST;  in rockchip_usb2phy_of_xlate()
375 		device_get_supply_regulator(phy->dev, "phy-supply",  in rockchip_usb2phy_of_xlate()
376 					    &rphy->vbus_supply[USB2PHY_PORT_HOST]);  in rockchip_usb2phy_of_xlate()
377 	} else if (!strcasecmp(dev_name, "otg-port")) {  in rockchip_usb2phy_of_xlate()
378 		phy->id = USB2PHY_PORT_OTG;  in rockchip_usb2phy_of_xlate()
379 		device_get_supply_regulator(phy->dev, "phy-supply",  in rockchip_usb2phy_of_xlate()
380 					    &rphy->vbus_supply[USB2PHY_PORT_OTG]);  in rockchip_usb2phy_of_xlate()
383 		return -EINVAL;  in rockchip_usb2phy_of_xlate()
398 			debug("%s: %s subnode not found", __func__, dev->name);  in rockchip_usb2phy_bind()
399 			return -ENXIO;  in rockchip_usb2phy_bind()
423 	rphy->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);  in rockchip_usb2phy_probe()
426 	if (reset_get_by_name(dev, "u2phy", rphy->reset)) {  in rockchip_usb2phy_probe()
427 		pr_err("can't get phy power reset for %s", dev->name);  in rockchip_usb2phy_probe()
428 		return -EINVAL;  in rockchip_usb2phy_probe()
431 	if (rphy->grf <= 0) {  in rockchip_usb2phy_probe()
432 		dev_err(dev, "get syscon grf failed\n");  in rockchip_usb2phy_probe()
433 		return -EINVAL;  in rockchip_usb2phy_probe()
438 		return -EINVAL;  in rockchip_usb2phy_probe()
445 		return -EINVAL;  in rockchip_usb2phy_probe()
452 			rphy->phy_cfg = &phy_cfgs[index];  in rockchip_usb2phy_probe()
457 	if (!rphy->phy_cfg) {  in rockchip_usb2phy_probe()
458 		dev_err(dev, "no phy-config can be matched\n");  in rockchip_usb2phy_probe()
459 		return -EINVAL;  in rockchip_usb2phy_probe()
462 	if (rphy->phy_cfg->phy_tuning)  in rockchip_usb2phy_probe()
463 		rphy->phy_cfg->phy_tuning(rphy);  in rockchip_usb2phy_probe()
556 	{ .compatible = "rockchip,rv1126-usb2phy", .data = (ulong)&rv1126_phy_cfgs },