49 static int xhci_histb_config(struct xhci_hcd_histb *histb)  in xhci_histb_config()  argument
51 	struct device_node *np = histb->dev->of_node;  in xhci_histb_config()
56 		regval = readl(histb->ctrl + REG_GUSB2PHYCFG0);  in xhci_histb_config()
60 		writel(regval, histb->ctrl + REG_GUSB2PHYCFG0);  in xhci_histb_config()
71 		regval = readl(histb->ctrl + REG_GUSB3PIPECTL0);  in xhci_histb_config()
75 		writel(regval, histb->ctrl + REG_GUSB3PIPECTL0);  in xhci_histb_config()
78 	writel(0x23100000, histb->ctrl + GTXTHRCFG);  in xhci_histb_config()
79 	writel(0x23100000, histb->ctrl + GRXTHRCFG);  in xhci_histb_config()
84 static int xhci_histb_clks_get(struct xhci_hcd_histb *histb)  in xhci_histb_clks_get()  argument
86 	struct device *dev = histb->dev;  in xhci_histb_clks_get()
88 	histb->bus_clk = devm_clk_get(dev, "bus");  in xhci_histb_clks_get()
89 	if (IS_ERR(histb->bus_clk)) {  in xhci_histb_clks_get()
91 		return PTR_ERR(histb->bus_clk);  in xhci_histb_clks_get()
94 	histb->utmi_clk = devm_clk_get(dev, "utmi");  in xhci_histb_clks_get()
95 	if (IS_ERR(histb->utmi_clk)) {  in xhci_histb_clks_get()
97 		return PTR_ERR(histb->utmi_clk);  in xhci_histb_clks_get()
100 	histb->pipe_clk = devm_clk_get(dev, "pipe");  in xhci_histb_clks_get()
101 	if (IS_ERR(histb->pipe_clk)) {  in xhci_histb_clks_get()
103 		return PTR_ERR(histb->pipe_clk);  in xhci_histb_clks_get()
106 	histb->suspend_clk = devm_clk_get(dev, "suspend");  in xhci_histb_clks_get()
107 	if (IS_ERR(histb->suspend_clk)) {  in xhci_histb_clks_get()
109 		return PTR_ERR(histb->suspend_clk);  in xhci_histb_clks_get()
115 static int xhci_histb_host_enable(struct xhci_hcd_histb *histb)  in xhci_histb_host_enable()  argument
119 	ret = clk_prepare_enable(histb->bus_clk);  in xhci_histb_host_enable()
121 		dev_err(histb->dev, "failed to enable bus clk\n");  in xhci_histb_host_enable()
125 	ret = clk_prepare_enable(histb->utmi_clk);  in xhci_histb_host_enable()
127 		dev_err(histb->dev, "failed to enable utmi clk\n");  in xhci_histb_host_enable()
131 	ret = clk_prepare_enable(histb->pipe_clk);  in xhci_histb_host_enable()
133 		dev_err(histb->dev, "failed to enable pipe clk\n");  in xhci_histb_host_enable()
137 	ret = clk_prepare_enable(histb->suspend_clk);  in xhci_histb_host_enable()
139 		dev_err(histb->dev, "failed to enable suspend clk\n");  in xhci_histb_host_enable()
143 	reset_control_deassert(histb->soft_reset);  in xhci_histb_host_enable()
148 	clk_disable_unprepare(histb->pipe_clk);  in xhci_histb_host_enable()
150 	clk_disable_unprepare(histb->utmi_clk);  in xhci_histb_host_enable()
152 	clk_disable_unprepare(histb->bus_clk);  in xhci_histb_host_enable()
157 static void xhci_histb_host_disable(struct xhci_hcd_histb *histb)  in xhci_histb_host_disable()  argument
159 	reset_control_assert(histb->soft_reset);  in xhci_histb_host_disable()
161 	clk_disable_unprepare(histb->suspend_clk);  in xhci_histb_host_disable()
162 	clk_disable_unprepare(histb->pipe_clk);  in xhci_histb_host_disable()
163 	clk_disable_unprepare(histb->utmi_clk);  in xhci_histb_host_disable()
164 	clk_disable_unprepare(histb->bus_clk);  in xhci_histb_host_disable()
180 	struct xhci_hcd_histb *histb = hcd_to_histb(hcd);  in xhci_histb_setup()  local
184 		ret = xhci_histb_config(histb);  in xhci_histb_setup()
200 	struct xhci_hcd_histb *histb;  in xhci_histb_probe()  local
212 	histb = devm_kzalloc(dev, sizeof(*histb), GFP_KERNEL);  in xhci_histb_probe()
213 	if (!histb)  in xhci_histb_probe()
216 	histb->dev = dev;  in xhci_histb_probe()
222 	histb->ctrl = devm_platform_get_and_ioremap_resource(pdev, 0, &res);  in xhci_histb_probe()
223 	if (IS_ERR(histb->ctrl))  in xhci_histb_probe()
224 		return PTR_ERR(histb->ctrl);  in xhci_histb_probe()
226 	ret = xhci_histb_clks_get(histb);  in xhci_histb_probe()
230 	histb->soft_reset = devm_reset_control_get(dev, "soft");  in xhci_histb_probe()
231 	if (IS_ERR(histb->soft_reset)) {  in xhci_histb_probe()
233 		return PTR_ERR(histb->soft_reset);  in xhci_histb_probe()
251 	hcd->regs = histb->ctrl;  in xhci_histb_probe()
255 	histb->hcd = hcd;  in xhci_histb_probe()
256 	dev_set_drvdata(hcd->self.controller, histb);  in xhci_histb_probe()
258 	ret = xhci_histb_host_enable(histb);  in xhci_histb_probe()
312 	xhci_histb_host_disable(histb);  in xhci_histb_probe()
324 	struct xhci_hcd_histb *histb = platform_get_drvdata(dev);  in xhci_histb_remove()  local
325 	struct usb_hcd *hcd = histb->hcd;  in xhci_histb_remove()
338 	xhci_histb_host_disable(histb);  in xhci_histb_remove()
348 	struct xhci_hcd_histb *histb = dev_get_drvdata(dev);  in xhci_histb_suspend()  local
349 	struct usb_hcd *hcd = histb->hcd;  in xhci_histb_suspend()
356 		xhci_histb_host_disable(histb);  in xhci_histb_suspend()
363 	struct xhci_hcd_histb *histb = dev_get_drvdata(dev);  in xhci_histb_resume()  local
364 	struct usb_hcd *hcd = histb->hcd;  in xhci_histb_resume()
368 		xhci_histb_host_enable(histb);  in xhci_histb_resume()