3  * BCM6328 USBH PHY Controller Driver
25 /* USBH control register offsets */
225 static inline bool usbh_has_reg(struct bcm63xx_usbh_phy *usbh, int reg)  in usbh_has_reg()  argument
227 	return (usbh->variant->regs[reg] >= 0);  in usbh_has_reg()
230 static inline u32 usbh_readl(struct bcm63xx_usbh_phy *usbh, int reg)  in usbh_readl()  argument
232 	return __raw_readl(usbh->base + usbh->variant->regs[reg]);  in usbh_readl()
235 static inline void usbh_writel(struct bcm63xx_usbh_phy *usbh, int reg,  in usbh_writel()  argument
238 	__raw_writel(value, usbh->base + usbh->variant->regs[reg]);  in usbh_writel()
243 	struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);  in bcm63xx_usbh_phy_init()  local
246 	ret = clk_prepare_enable(usbh->usbh_clk);  in bcm63xx_usbh_phy_init()
248 		dev_err(&phy->dev, "unable to enable usbh clock: %d\n", ret);  in bcm63xx_usbh_phy_init()
252 	ret = clk_prepare_enable(usbh->usb_ref_clk);  in bcm63xx_usbh_phy_init()
255 		clk_disable_unprepare(usbh->usbh_clk);  in bcm63xx_usbh_phy_init()
259 	ret = reset_control_reset(usbh->reset);  in bcm63xx_usbh_phy_init()
262 		clk_disable_unprepare(usbh->usb_ref_clk);  in bcm63xx_usbh_phy_init()
263 		clk_disable_unprepare(usbh->usbh_clk);  in bcm63xx_usbh_phy_init()
268 	if (usbh_has_reg(usbh, USBH_SWAP_CONTROL)) {  in bcm63xx_usbh_phy_init()
269 		u32 val = usbh_readl(usbh, USBH_SWAP_CONTROL);  in bcm63xx_usbh_phy_init()
277 		if (usbh->device_mode && usbh->variant->swapctl_dev_set)  in bcm63xx_usbh_phy_init()
278 			val |= usbh->variant->swapctl_dev_set;  in bcm63xx_usbh_phy_init()
280 		usbh_writel(usbh, USBH_SWAP_CONTROL, val);  in bcm63xx_usbh_phy_init()
283 	if (usbh_has_reg(usbh, USBH_SETUP)) {  in bcm63xx_usbh_phy_init()
284 		u32 val = usbh_readl(usbh, USBH_SETUP);  in bcm63xx_usbh_phy_init()
286 		val |= usbh->variant->setup_set;  in bcm63xx_usbh_phy_init()
287 		val &= ~usbh->variant->setup_clr;  in bcm63xx_usbh_phy_init()
289 		usbh_writel(usbh, USBH_SETUP, val);  in bcm63xx_usbh_phy_init()
292 	if (usbh_has_reg(usbh, USBH_USB_SIM_CONTROL)) {  in bcm63xx_usbh_phy_init()
293 		u32 val = usbh_readl(usbh, USBH_USB_SIM_CONTROL);  in bcm63xx_usbh_phy_init()
295 		val |= usbh->variant->usc_set;  in bcm63xx_usbh_phy_init()
297 		usbh_writel(usbh, USBH_USB_SIM_CONTROL, val);  in bcm63xx_usbh_phy_init()
300 	if (usbh->variant->tpc_val &&  in bcm63xx_usbh_phy_init()
301 	    usbh_has_reg(usbh, USBH_TEST_PORT_CONTROL))  in bcm63xx_usbh_phy_init()
302 		usbh_writel(usbh, USBH_TEST_PORT_CONTROL,  in bcm63xx_usbh_phy_init()
303 			    usbh->variant->tpc_val);  in bcm63xx_usbh_phy_init()
305 	if (usbh->device_mode &&  in bcm63xx_usbh_phy_init()
306 	    usbh_has_reg(usbh, USBH_UTMI_CONTROL1) &&  in bcm63xx_usbh_phy_init()
307 	    usbh->variant->utmictl1_dev_set) {  in bcm63xx_usbh_phy_init()
308 		u32 val = usbh_readl(usbh, USBH_UTMI_CONTROL1);  in bcm63xx_usbh_phy_init()
310 		val |= usbh->variant->utmictl1_dev_set;  in bcm63xx_usbh_phy_init()
312 		usbh_writel(usbh, USBH_UTMI_CONTROL1, val);  in bcm63xx_usbh_phy_init()
320 	struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);  in bcm63xx_usbh_phy_power_on()  local
322 	if (usbh_has_reg(usbh, USBH_PLL_CONTROL1)) {  in bcm63xx_usbh_phy_power_on()
323 		u32 val = usbh_readl(usbh, USBH_PLL_CONTROL1);  in bcm63xx_usbh_phy_power_on()
325 		val |= usbh->variant->power_pllc_set;  in bcm63xx_usbh_phy_power_on()
326 		val &= ~usbh->variant->power_pllc_clr;  in bcm63xx_usbh_phy_power_on()
328 		usbh_writel(usbh, USBH_PLL_CONTROL1, val);  in bcm63xx_usbh_phy_power_on()
336 	struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);  in bcm63xx_usbh_phy_power_off()  local
338 	if (usbh_has_reg(usbh, USBH_PLL_CONTROL1)) {  in bcm63xx_usbh_phy_power_off()
339 		u32 val = usbh_readl(usbh, USBH_PLL_CONTROL1);  in bcm63xx_usbh_phy_power_off()
341 		val &= ~usbh->variant->power_pllc_set;  in bcm63xx_usbh_phy_power_off()
342 		val |= usbh->variant->power_pllc_clr;  in bcm63xx_usbh_phy_power_off()
344 		usbh_writel(usbh, USBH_PLL_CONTROL1, val);  in bcm63xx_usbh_phy_power_off()
352 	struct bcm63xx_usbh_phy *usbh = phy_get_drvdata(phy);  in bcm63xx_usbh_phy_exit()  local
354 	clk_disable_unprepare(usbh->usbh_clk);  in bcm63xx_usbh_phy_exit()
355 	clk_disable_unprepare(usbh->usb_ref_clk);  in bcm63xx_usbh_phy_exit()
371 	struct bcm63xx_usbh_phy *usbh = dev_get_drvdata(dev);  in bcm63xx_usbh_phy_xlate()  local
373 	usbh->device_mode = !!args->args[0];  in bcm63xx_usbh_phy_xlate()
381 	struct bcm63xx_usbh_phy	*usbh;  in bcm63xx_usbh_phy_probe()  local
386 	usbh = devm_kzalloc(dev, sizeof(*usbh), GFP_KERNEL);  in bcm63xx_usbh_phy_probe()
387 	if (!usbh)  in bcm63xx_usbh_phy_probe()
393 	usbh->variant = variant;  in bcm63xx_usbh_phy_probe()
395 	usbh->base = devm_platform_ioremap_resource(pdev, 0);  in bcm63xx_usbh_phy_probe()
396 	if (IS_ERR(usbh->base))  in bcm63xx_usbh_phy_probe()
397 		return PTR_ERR(usbh->base);  in bcm63xx_usbh_phy_probe()
399 	usbh->reset = devm_reset_control_get_exclusive(dev, NULL);  in bcm63xx_usbh_phy_probe()
400 	if (IS_ERR(usbh->reset)) {  in bcm63xx_usbh_phy_probe()
401 		if (PTR_ERR(usbh->reset) != -EPROBE_DEFER)  in bcm63xx_usbh_phy_probe()
403 		return PTR_ERR(usbh->reset);  in bcm63xx_usbh_phy_probe()
406 	usbh->usbh_clk = devm_clk_get_optional(dev, "usbh");  in bcm63xx_usbh_phy_probe()
407 	if (IS_ERR(usbh->usbh_clk))  in bcm63xx_usbh_phy_probe()
408 		return PTR_ERR(usbh->usbh_clk);  in bcm63xx_usbh_phy_probe()
410 	usbh->usb_ref_clk = devm_clk_get_optional(dev, "usb_ref");  in bcm63xx_usbh_phy_probe()
411 	if (IS_ERR(usbh->usb_ref_clk))  in bcm63xx_usbh_phy_probe()
412 		return PTR_ERR(usbh->usb_ref_clk);  in bcm63xx_usbh_phy_probe()
420 	platform_set_drvdata(pdev, usbh);  in bcm63xx_usbh_phy_probe()
421 	phy_set_drvdata(phy, usbh);  in bcm63xx_usbh_phy_probe()
436 	{ .compatible = "brcm,bcm6318-usbh-phy", .data = &usbh_bcm6318 },
437 	{ .compatible = "brcm,bcm6328-usbh-phy", .data = &usbh_bcm6328 },
438 	{ .compatible = "brcm,bcm6358-usbh-phy", .data = &usbh_bcm6358 },
439 	{ .compatible = "brcm,bcm6362-usbh-phy", .data = &usbh_bcm6368 },
440 	{ .compatible = "brcm,bcm6368-usbh-phy", .data = &usbh_bcm6368 },
441 	{ .compatible = "brcm,bcm63268-usbh-phy", .data = &usbh_bcm63268 },
448 		.name = "bcm63xx-usbh-phy",
455 MODULE_DESCRIPTION("BCM63xx USBH PHY driver");