usb: phy: move all PHY drivers to drivers/usb/phy/

that's a much more reasonable location for
those drivers. It helps us saving drivers/usb/otg/
for when we actually start adding generic OTG
code.

Also completely delete drivers/usb/otg/ as there's
nothing left there.

Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 0 insertions, 294 deletions

diff --git a/drivers/usb/otg/nop-usb-xceiv.c b/drivers/usb/otg/nop-usb-xceiv.c
deleted file mode 100644
index 2b10cc969bbb..000000000000
--- a/drivers/usb/otg/nop-usb-xceiv.c
+++ /dev/null
@@ -1,294 +0,0 @@
-/*
- * drivers/usb/otg/nop-usb-xceiv.c
- *
- * NOP USB transceiver for all USB transceiver which are either built-in
- * into USB IP or which are mostly autonomous.
- *
- * Copyright (C) 2009 Texas Instruments Inc
- * Author: Ajay Kumar Gupta <ajay.gupta@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Current status:
- *	This provides a "nop" transceiver for PHYs which are
- *	autonomous such as isp1504, isp1707, etc.
- */
-
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/dma-mapping.h>
-#include <linux/usb/otg.h>
-#include <linux/usb/nop-usb-xceiv.h>
-#include <linux/slab.h>
-#include <linux/clk.h>
-#include <linux/regulator/consumer.h>
-#include <linux/of.h>
-
-struct nop_usb_xceiv {
-	struct usb_phy phy;
-	struct device *dev;
-	struct clk *clk;
-	struct regulator *vcc;
-	struct regulator *reset;
-};
-
-static struct platform_device *pd;
-
-void usb_nop_xceiv_register(void)
-{
-	if (pd)
-		return;
-	pd = platform_device_register_simple("nop_usb_xceiv", -1, NULL, 0);
-	if (!pd) {
-		printk(KERN_ERR "Unable to register usb nop transceiver\n");
-		return;
-	}
-}
-EXPORT_SYMBOL(usb_nop_xceiv_register);
-
-void usb_nop_xceiv_unregister(void)
-{
-	platform_device_unregister(pd);
-	pd = NULL;
-}
-EXPORT_SYMBOL(usb_nop_xceiv_unregister);
-
-static int nop_set_suspend(struct usb_phy *x, int suspend)
-{
-	return 0;
-}
-
-static int nop_init(struct usb_phy *phy)
-{
-	struct nop_usb_xceiv *nop = dev_get_drvdata(phy->dev);
-
-	if (!IS_ERR(nop->vcc)) {
-		if (regulator_enable(nop->vcc))
-			dev_err(phy->dev, "Failed to enable power\n");
-	}
-
-	if (!IS_ERR(nop->clk))
-		clk_enable(nop->clk);
-
-	if (!IS_ERR(nop->reset)) {
-		/* De-assert RESET */
-		if (regulator_enable(nop->reset))
-			dev_err(phy->dev, "Failed to de-assert reset\n");
-	}
-
-	return 0;
-}
-
-static void nop_shutdown(struct usb_phy *phy)
-{
-	struct nop_usb_xceiv *nop = dev_get_drvdata(phy->dev);
-
-	if (!IS_ERR(nop->reset)) {
-		/* Assert RESET */
-		if (regulator_disable(nop->reset))
-			dev_err(phy->dev, "Failed to assert reset\n");
-	}
-
-	if (!IS_ERR(nop->clk))
-		clk_disable(nop->clk);
-
-	if (!IS_ERR(nop->vcc)) {
-		if (regulator_disable(nop->vcc))
-			dev_err(phy->dev, "Failed to disable power\n");
-	}
-}
-
-static int nop_set_peripheral(struct usb_otg *otg, struct usb_gadget *gadget)
-{
-	if (!otg)
-		return -ENODEV;
-
-	if (!gadget) {
-		otg->gadget = NULL;
-		return -ENODEV;
-	}
-
-	otg->gadget = gadget;
-	otg->phy->state = OTG_STATE_B_IDLE;
-	return 0;
-}
-
-static int nop_set_host(struct usb_otg *otg, struct usb_bus *host)
-{
-	if (!otg)
-		return -ENODEV;
-
-	if (!host) {
-		otg->host = NULL;
-		return -ENODEV;
-	}
-
-	otg->host = host;
-	return 0;
-}
-
-static int nop_usb_xceiv_probe(struct platform_device *pdev)
-{
-	struct device *dev = &pdev->dev;
-	struct nop_usb_xceiv_platform_data *pdata = pdev->dev.platform_data;
-	struct nop_usb_xceiv	*nop;
-	enum usb_phy_type	type = USB_PHY_TYPE_USB2;
-	int err;
-	u32 clk_rate = 0;
-	bool needs_vcc = false;
-	bool needs_reset = false;
-
-	nop = devm_kzalloc(&pdev->dev, sizeof(*nop), GFP_KERNEL);
-	if (!nop)
-		return -ENOMEM;
-
-	nop->phy.otg = devm_kzalloc(&pdev->dev, sizeof(*nop->phy.otg),
-							GFP_KERNEL);
-	if (!nop->phy.otg)
-		return -ENOMEM;
-
-	if (dev->of_node) {
-		struct device_node *node = dev->of_node;
-
-		if (of_property_read_u32(node, "clock-frequency", &clk_rate))
-			clk_rate = 0;
-
-		needs_vcc = of_property_read_bool(node, "vcc-supply");
-		needs_reset = of_property_read_bool(node, "reset-supply");
-
-	} else if (pdata) {
-		type = pdata->type;
-		clk_rate = pdata->clk_rate;
-		needs_vcc = pdata->needs_vcc;
-		needs_reset = pdata->needs_reset;
-	}
-
-	nop->clk = devm_clk_get(&pdev->dev, "main_clk");
-	if (IS_ERR(nop->clk)) {
-		dev_dbg(&pdev->dev, "Can't get phy clock: %ld\n",
-					PTR_ERR(nop->clk));
-	}
-
-	if (!IS_ERR(nop->clk) && clk_rate) {
-		err = clk_set_rate(nop->clk, clk_rate);
-		if (err) {
-			dev_err(&pdev->dev, "Error setting clock rate\n");
-			return err;
-		}
-	}
-
-	if (!IS_ERR(nop->clk)) {
-		err = clk_prepare(nop->clk);
-		if (err) {
-			dev_err(&pdev->dev, "Error preparing clock\n");
-			return err;
-		}
-	}
-
-	nop->vcc = devm_regulator_get(&pdev->dev, "vcc");
-	if (IS_ERR(nop->vcc)) {
-		dev_dbg(&pdev->dev, "Error getting vcc regulator: %ld\n",
-					PTR_ERR(nop->vcc));
-		if (needs_vcc)
-			return -EPROBE_DEFER;
-	}
-
-	nop->reset = devm_regulator_get(&pdev->dev, "reset");
-	if (IS_ERR(nop->reset)) {
-		dev_dbg(&pdev->dev, "Error getting reset regulator: %ld\n",
-					PTR_ERR(nop->reset));
-		if (needs_reset)
-			return -EPROBE_DEFER;
-	}
-
-	nop->dev		= &pdev->dev;
-	nop->phy.dev		= nop->dev;
-	nop->phy.label		= "nop-xceiv";
-	nop->phy.set_suspend	= nop_set_suspend;
-	nop->phy.init		= nop_init;
-	nop->phy.shutdown	= nop_shutdown;
-	nop->phy.state		= OTG_STATE_UNDEFINED;
-	nop->phy.type		= type;
-
-	nop->phy.otg->phy		= &nop->phy;
-	nop->phy.otg->set_host		= nop_set_host;
-	nop->phy.otg->set_peripheral	= nop_set_peripheral;
-
-	err = usb_add_phy_dev(&nop->phy);
-	if (err) {
-		dev_err(&pdev->dev, "can't register transceiver, err: %d\n",
-			err);
-		goto err_add;
-	}
-
-	platform_set_drvdata(pdev, nop);
-
-	ATOMIC_INIT_NOTIFIER_HEAD(&nop->phy.notifier);
-
-	return 0;
-
-err_add:
-	if (!IS_ERR(nop->clk))
-		clk_unprepare(nop->clk);
-	return err;
-}
-
-static int nop_usb_xceiv_remove(struct platform_device *pdev)
-{
-	struct nop_usb_xceiv *nop = platform_get_drvdata(pdev);
-
-	if (!IS_ERR(nop->clk))
-		clk_unprepare(nop->clk);
-
-	usb_remove_phy(&nop->phy);
-
-	platform_set_drvdata(pdev, NULL);
-
-	return 0;
-}
-
-static const struct of_device_id nop_xceiv_dt_ids[] = {
-	{ .compatible = "usb-nop-xceiv" },
-	{ }
-};
-
-MODULE_DEVICE_TABLE(of, nop_xceiv_dt_ids);
-
-static struct platform_driver nop_usb_xceiv_driver = {
-	.probe		= nop_usb_xceiv_probe,
-	.remove		= nop_usb_xceiv_remove,
-	.driver		= {
-		.name	= "nop_usb_xceiv",
-		.owner	= THIS_MODULE,
-		.of_match_table = of_match_ptr(nop_xceiv_dt_ids),
-	},
-};
-
-static int __init nop_usb_xceiv_init(void)
-{
-	return platform_driver_register(&nop_usb_xceiv_driver);
-}
-subsys_initcall(nop_usb_xceiv_init);
-
-static void __exit nop_usb_xceiv_exit(void)
-{
-	platform_driver_unregister(&nop_usb_xceiv_driver);
-}
-module_exit(nop_usb_xceiv_exit);
-
-MODULE_ALIAS("platform:nop_usb_xceiv");
-MODULE_AUTHOR("Texas Instruments Inc");
-MODULE_DESCRIPTION("NOP USB Transceiver driver");
-MODULE_LICENSE("GPL");