2  * omap-control-phy.c - The PHY part of control module.
4  * Copyright (C) 2013 Texas Instruments Incorporated - http://www.ti.com
30  * omap_control_pcie_pcs - set the PCS delay count
50 	if (control_phy->type != OMAP_CTRL_TYPE_PCIE) {  in omap_control_pcie_pcs()
55 	val = readl(control_phy->pcie_pcs);  in omap_control_pcie_pcs()
59 	writel(val, control_phy->pcie_pcs);  in omap_control_pcie_pcs()
64  * omap_control_phy_power - power on/off the phy using control module reg
85 	if (control_phy->type == OMAP_CTRL_TYPE_OTGHS)  in omap_control_phy_power()
88 	val = readl(control_phy->power);  in omap_control_phy_power()
90 	switch (control_phy->type) {  in omap_control_phy_power()
100 		rate = clk_get_rate(control_phy->sys_clk);  in omap_control_phy_power()
139 			__func__, control_phy->type);  in omap_control_phy_power()
143 	writel(val, control_phy->power);  in omap_control_phy_power()
148  * omap_control_usb_host_mode - set AVALID, VBUSVALID and ID pin in grounded
151  * Writes to the mailbox register to notify the usb core that a usb
158 	val = readl(ctrl_phy->otghs_control);  in omap_control_usb_host_mode()
161 	writel(val, ctrl_phy->otghs_control);  in omap_control_usb_host_mode()
165  * omap_control_usb_device_mode - set AVALID, VBUSVALID and ID pin in high
169  * Writes to the mailbox register to notify the usb core that it has been
176 	val = readl(ctrl_phy->otghs_control);  in omap_control_usb_device_mode()
180 	writel(val, ctrl_phy->otghs_control);  in omap_control_usb_device_mode()
184  * omap_control_usb_set_sessionend - Enable SESSIONEND and IDIG to high
188  * Writes to the mailbox register to notify the usb core it's now in
195 	val = readl(ctrl_phy->otghs_control);  in omap_control_usb_set_sessionend()
198 	writel(val, ctrl_phy->otghs_control);  in omap_control_usb_set_sessionend()
202  * omap_control_usb_set_mode - Calls to functions to set USB in one of host mode
207  * This is an API to write to the mailbox register to notify the usb core that
224 	if (ctrl_phy->type != OMAP_CTRL_TYPE_OTGHS)  in omap_control_usb_set_mode()
238 		dev_vdbg(dev, "invalid omap control usb mode\n");  in omap_control_usb_set_mode()
252 		.compatible = "ti,control-phy-otghs",
256 		.compatible = "ti,control-phy-usb2",
260 		.compatible = "ti,control-phy-pipe3",
264 		.compatible = "ti,control-phy-pcie",
268 		.compatible = "ti,control-phy-usb2-dra7",
272 		.compatible = "ti,control-phy-usb2-am437",
285 	of_id = of_match_device(omap_control_phy_id_table, &pdev->dev);  in omap_control_phy_probe()
287 		return -EINVAL;  in omap_control_phy_probe()
289 	control_phy = devm_kzalloc(&pdev->dev, sizeof(*control_phy),  in omap_control_phy_probe()
292 		return -ENOMEM;  in omap_control_phy_probe()
294 	control_phy->dev = &pdev->dev;  in omap_control_phy_probe()
295 	control_phy->type = *(enum omap_control_phy_type *)of_id->data;  in omap_control_phy_probe()
297 	if (control_phy->type == OMAP_CTRL_TYPE_OTGHS) {  in omap_control_phy_probe()
300 		control_phy->otghs_control = devm_ioremap_resource(  in omap_control_phy_probe()
301 			&pdev->dev, res);  in omap_control_phy_probe()
302 		if (IS_ERR(control_phy->otghs_control))  in omap_control_phy_probe()
303 			return PTR_ERR(control_phy->otghs_control);  in omap_control_phy_probe()
307 		control_phy->power = devm_ioremap_resource(&pdev->dev, res);  in omap_control_phy_probe()
308 		if (IS_ERR(control_phy->power)) {  in omap_control_phy_probe()
309 			dev_err(&pdev->dev, "Couldn't get power register\n");  in omap_control_phy_probe()
310 			return PTR_ERR(control_phy->power);  in omap_control_phy_probe()
314 	if (control_phy->type == OMAP_CTRL_TYPE_PIPE3 ||  in omap_control_phy_probe()
315 	    control_phy->type == OMAP_CTRL_TYPE_PCIE) {  in omap_control_phy_probe()
316 		control_phy->sys_clk = devm_clk_get(control_phy->dev,  in omap_control_phy_probe()
318 		if (IS_ERR(control_phy->sys_clk)) {  in omap_control_phy_probe()
320 			return -EINVAL;  in omap_control_phy_probe()
324 	if (control_phy->type == OMAP_CTRL_TYPE_PCIE) {  in omap_control_phy_probe()
327 		control_phy->pcie_pcs = devm_ioremap_resource(&pdev->dev, res);  in omap_control_phy_probe()
328 		if (IS_ERR(control_phy->pcie_pcs))  in omap_control_phy_probe()
329 			return PTR_ERR(control_phy->pcie_pcs);  in omap_control_phy_probe()
332 	dev_set_drvdata(control_phy->dev, control_phy);  in omap_control_phy_probe()
340 		.name	= "omap-control-phy",
359 MODULE_DESCRIPTION("OMAP Control Module PHY Driver");