1 // SPDX-License-Identifier: GPL-2.0-only
3  * Samsung SoC USB 1.1/2.0 PHY driver - Exynos 5250 support
13 #include "phy-samsung-usb2.h"
49 #define EXYNOS_5250_HOSTPHYCTRL0_UTMISWRST		BIT(2)
69 #define EXYNOS_5250_HSICPHYCTRLX_UTMISWRST		BIT(2)
114 #define EXYNOS_5250_USBOTGSYS_OTGDISABLE		BIT(2)
168 		return -EINVAL;  in exynos5250_rate_to_clk()
176 	struct samsung_usb2_phy_driver *drv = inst->drv;  in exynos5250_isol()  local
180 	if (drv->cfg == &exynos5250_usb2_phy_config &&  in exynos5250_isol()
181 	    inst->cfg->id == EXYNOS5250_DEVICE)  in exynos5250_isol()
183 	else if (drv->cfg == &exynos5250_usb2_phy_config &&  in exynos5250_isol()
184 		 inst->cfg->id == EXYNOS5250_HOST)  in exynos5250_isol()
186 	else if (drv->cfg == &exynos5420_usb2_phy_config &&  in exynos5250_isol()
187 		 inst->cfg->id == EXYNOS5250_HOST)  in exynos5250_isol()
192 	regmap_update_bits(drv->reg_pmu, offset, mask, on ? 0 : mask);  in exynos5250_isol()
197 	struct samsung_usb2_phy_driver *drv = inst->drv;  in exynos5250_power_on()  local
204 	switch (inst->cfg->id) {  in exynos5250_power_on()
206 		regmap_update_bits(drv->reg_sys,  in exynos5250_power_on()
212 		otg = readl(drv->reg_phy + EXYNOS_5250_USBOTGSYS);  in exynos5250_power_on()
215 		otg |= drv->ref_reg_val << EXYNOS_5250_USBOTGSYS_FSEL_SHIFT;  in exynos5250_power_on()
228 		writel(otg, drv->reg_phy + EXYNOS_5250_USBOTGSYS);  in exynos5250_power_on()
234 		writel(otg, drv->reg_phy + EXYNOS_5250_USBOTGSYS);  in exynos5250_power_on()
242 		ctrl0 = readl(drv->reg_phy + EXYNOS_5250_HOSTPHYCTRL0);  in exynos5250_power_on()
245 		ctrl0 |= drv->ref_reg_val <<  in exynos5250_power_on()
257 		writel(ctrl0, drv->reg_phy + EXYNOS_5250_HOSTPHYCTRL0);  in exynos5250_power_on()
261 		writel(ctrl0, drv->reg_phy + EXYNOS_5250_HOSTPHYCTRL0);  in exynos5250_power_on()
264 		otg = readl(drv->reg_phy + EXYNOS_5250_USBOTGSYS);  in exynos5250_power_on()
267 		otg |= drv->ref_reg_val << EXYNOS_5250_USBOTGSYS_FSEL_SHIFT;  in exynos5250_power_on()
280 		writel(otg, drv->reg_phy + EXYNOS_5250_USBOTGSYS);  in exynos5250_power_on()
290 		writel(hsic, drv->reg_phy + EXYNOS_5250_HSICPHYCTRL1);  in exynos5250_power_on()
291 		writel(hsic, drv->reg_phy + EXYNOS_5250_HSICPHYCTRL2);  in exynos5250_power_on()
294 		writel(hsic, drv->reg_phy + EXYNOS_5250_HSICPHYCTRL1);  in exynos5250_power_on()
295 		writel(hsic, drv->reg_phy + EXYNOS_5250_HSICPHYCTRL2);  in exynos5250_power_on()
301 		ehci = readl(drv->reg_phy + EXYNOS_5250_HOSTEHCICTRL);  in exynos5250_power_on()
306 		writel(ehci, drv->reg_phy + EXYNOS_5250_HOSTEHCICTRL);  in exynos5250_power_on()
309 		ohci = readl(drv->reg_phy + EXYNOS_5250_HOSTOHCICTRL);  in exynos5250_power_on()
312 		writel(ohci, drv->reg_phy + EXYNOS_5250_HOSTOHCICTRL);  in exynos5250_power_on()
323 	struct samsung_usb2_phy_driver *drv = inst->drv;  in exynos5250_power_off()  local
330 	switch (inst->cfg->id) {  in exynos5250_power_off()
332 		otg = readl(drv->reg_phy + EXYNOS_5250_USBOTGSYS);  in exynos5250_power_off()
336 		writel(otg, drv->reg_phy + EXYNOS_5250_USBOTGSYS);  in exynos5250_power_off()
339 		ctrl0 = readl(drv->reg_phy + EXYNOS_5250_HOSTPHYCTRL0);  in exynos5250_power_off()
345 		writel(ctrl0, drv->reg_phy + EXYNOS_5250_HOSTPHYCTRL0);  in exynos5250_power_off()
355 		writel(hsic, drv->reg_phy + EXYNOS_5250_HSICPHYCTRL1);  in exynos5250_power_off()
356 		writel(hsic, drv->reg_phy + EXYNOS_5250_HSICPHYCTRL2);  in exynos5250_power_off()