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v3.1
 
  1/*
  2 * Setup platform devices needed by the Freescale multi-port host
  3 * and/or dual-role USB controller modules based on the description
  4 * in flat device tree.
  5 *
  6 * This program is free software; you can redistribute  it and/or modify it
  7 * under  the terms of  the GNU General  Public License as published by the
  8 * Free Software Foundation;  either version 2 of the  License, or (at your
  9 * option) any later version.
 10 */
 11
 12#include <linux/kernel.h>
 13#include <linux/platform_device.h>
 14#include <linux/fsl_devices.h>
 15#include <linux/err.h>
 16#include <linux/io.h>
 17#include <linux/of_platform.h>
 18#include <linux/clk.h>
 
 
 19
 20struct fsl_usb2_dev_data {
 21	char *dr_mode;		/* controller mode */
 22	char *drivers[3];	/* drivers to instantiate for this mode */
 23	enum fsl_usb2_operating_modes op_mode;	/* operating mode */
 24};
 25
 26struct fsl_usb2_dev_data dr_mode_data[] __devinitdata = {
 27	{
 28		.dr_mode = "host",
 29		.drivers = { "fsl-ehci", NULL, NULL, },
 30		.op_mode = FSL_USB2_DR_HOST,
 31	},
 32	{
 33		.dr_mode = "otg",
 34		.drivers = { "fsl-usb2-otg", "fsl-ehci", "fsl-usb2-udc", },
 35		.op_mode = FSL_USB2_DR_OTG,
 36	},
 37	{
 38		.dr_mode = "peripheral",
 39		.drivers = { "fsl-usb2-udc", NULL, NULL, },
 40		.op_mode = FSL_USB2_DR_DEVICE,
 41	},
 42};
 43
 44struct fsl_usb2_dev_data * __devinit get_dr_mode_data(struct device_node *np)
 45{
 46	const unsigned char *prop;
 47	int i;
 48
 49	prop = of_get_property(np, "dr_mode", NULL);
 50	if (prop) {
 51		for (i = 0; i < ARRAY_SIZE(dr_mode_data); i++) {
 52			if (!strcmp(prop, dr_mode_data[i].dr_mode))
 53				return &dr_mode_data[i];
 54		}
 55	}
 56	pr_warn("%s: Invalid 'dr_mode' property, fallback to host mode\n",
 57		np->full_name);
 58	return &dr_mode_data[0]; /* mode not specified, use host */
 59}
 60
 61static enum fsl_usb2_phy_modes __devinit determine_usb_phy(const char *phy_type)
 62{
 63	if (!phy_type)
 64		return FSL_USB2_PHY_NONE;
 65	if (!strcasecmp(phy_type, "ulpi"))
 66		return FSL_USB2_PHY_ULPI;
 67	if (!strcasecmp(phy_type, "utmi"))
 68		return FSL_USB2_PHY_UTMI;
 69	if (!strcasecmp(phy_type, "utmi_wide"))
 70		return FSL_USB2_PHY_UTMI_WIDE;
 
 
 71	if (!strcasecmp(phy_type, "serial"))
 72		return FSL_USB2_PHY_SERIAL;
 73
 74	return FSL_USB2_PHY_NONE;
 75}
 76
 77struct platform_device * __devinit fsl_usb2_device_register(
 78					struct platform_device *ofdev,
 79					struct fsl_usb2_platform_data *pdata,
 80					const char *name, int id)
 81{
 82	struct platform_device *pdev;
 83	const struct resource *res = ofdev->resource;
 84	unsigned int num = ofdev->num_resources;
 85	int retval;
 86
 87	pdev = platform_device_alloc(name, id);
 88	if (!pdev) {
 89		retval = -ENOMEM;
 90		goto error;
 91	}
 92
 93	pdev->dev.parent = &ofdev->dev;
 94
 95	pdev->dev.coherent_dma_mask = ofdev->dev.coherent_dma_mask;
 96	pdev->dev.dma_mask = &pdev->archdata.dma_mask;
 97	*pdev->dev.dma_mask = *ofdev->dev.dma_mask;
 
 
 
 98
 99	retval = platform_device_add_data(pdev, pdata, sizeof(*pdata));
100	if (retval)
101		goto error;
102
103	if (num) {
104		retval = platform_device_add_resources(pdev, res, num);
105		if (retval)
106			goto error;
107	}
108
109	retval = platform_device_add(pdev);
110	if (retval)
111		goto error;
112
113	return pdev;
114
115error:
116	platform_device_put(pdev);
117	return ERR_PTR(retval);
118}
119
120static const struct of_device_id fsl_usb2_mph_dr_of_match[];
121
122static int __devinit fsl_usb2_mph_dr_of_probe(struct platform_device *ofdev)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
123{
124	struct device_node *np = ofdev->dev.of_node;
125	struct platform_device *usb_dev;
126	struct fsl_usb2_platform_data data, *pdata;
127	struct fsl_usb2_dev_data *dev_data;
128	const struct of_device_id *match;
129	const unsigned char *prop;
130	static unsigned int idx;
131	int i;
132
133	if (!of_device_is_available(np))
134		return -ENODEV;
135
136	match = of_match_device(fsl_usb2_mph_dr_of_match, &ofdev->dev);
137	if (!match)
138		return -ENODEV;
139
140	pdata = &data;
141	if (match->data)
142		memcpy(pdata, match->data, sizeof(data));
143	else
144		memset(pdata, 0, sizeof(data));
145
146	dev_data = get_dr_mode_data(np);
147
148	if (of_device_is_compatible(np, "fsl-usb2-mph")) {
149		if (of_get_property(np, "port0", NULL))
150			pdata->port_enables |= FSL_USB2_PORT0_ENABLED;
151
152		if (of_get_property(np, "port1", NULL))
153			pdata->port_enables |= FSL_USB2_PORT1_ENABLED;
154
155		pdata->operating_mode = FSL_USB2_MPH_HOST;
156	} else {
157		if (of_get_property(np, "fsl,invert-drvvbus", NULL))
158			pdata->invert_drvvbus = 1;
159
160		if (of_get_property(np, "fsl,invert-pwr-fault", NULL))
161			pdata->invert_pwr_fault = 1;
162
163		/* setup mode selected in the device tree */
164		pdata->operating_mode = dev_data->op_mode;
165	}
166
167	prop = of_get_property(np, "phy_type", NULL);
168	pdata->phy_mode = determine_usb_phy(prop);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
169
170	for (i = 0; i < ARRAY_SIZE(dev_data->drivers); i++) {
171		if (!dev_data->drivers[i])
172			continue;
173		usb_dev = fsl_usb2_device_register(ofdev, pdata,
174					dev_data->drivers[i], idx);
175		if (IS_ERR(usb_dev)) {
176			dev_err(&ofdev->dev, "Can't register usb device\n");
177			return PTR_ERR(usb_dev);
178		}
179	}
180	idx++;
181	return 0;
182}
183
184static int __devexit __unregister_subdev(struct device *dev, void *d)
185{
186	platform_device_unregister(to_platform_device(dev));
187	return 0;
188}
189
190static int __devexit fsl_usb2_mph_dr_of_remove(struct platform_device *ofdev)
191{
192	device_for_each_child(&ofdev->dev, NULL, __unregister_subdev);
193	return 0;
194}
195
196#ifdef CONFIG_PPC_MPC512x
197
198#define USBGENCTRL		0x200		/* NOTE: big endian */
199#define GC_WU_INT_CLR		(1 << 5)	/* Wakeup int clear */
200#define GC_ULPI_SEL		(1 << 4)	/* ULPI i/f select (usb0 only)*/
201#define GC_PPP			(1 << 3)	/* Inv. Port Power Polarity */
202#define GC_PFP			(1 << 2)	/* Inv. Power Fault Polarity */
203#define GC_WU_ULPI_EN		(1 << 1)	/* Wakeup on ULPI event */
204#define GC_WU_IE		(1 << 1)	/* Wakeup interrupt enable */
205
206#define ISIPHYCTRL		0x204		/* NOTE: big endian */
207#define PHYCTRL_PHYE		(1 << 4)	/* On-chip UTMI PHY enable */
208#define PHYCTRL_BSENH		(1 << 3)	/* Bit Stuff Enable High */
209#define PHYCTRL_BSEN		(1 << 2)	/* Bit Stuff Enable */
210#define PHYCTRL_LSFE		(1 << 1)	/* Line State Filter Enable */
211#define PHYCTRL_PXE		(1 << 0)	/* PHY oscillator enable */
212
213int fsl_usb2_mpc5121_init(struct platform_device *pdev)
214{
215	struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
216	struct clk *clk;
217	char clk_name[10];
218	int base, clk_num;
219
220	base = pdev->resource->start & 0xf000;
221	if (base == 0x3000)
222		clk_num = 1;
223	else if (base == 0x4000)
224		clk_num = 2;
225	else
226		return -ENODEV;
227
228	snprintf(clk_name, sizeof(clk_name), "usb%d_clk", clk_num);
229	clk = clk_get(&pdev->dev, clk_name);
230	if (IS_ERR(clk)) {
231		dev_err(&pdev->dev, "failed to get clk\n");
232		return PTR_ERR(clk);
233	}
234
235	clk_enable(clk);
 
 
 
236	pdata->clk = clk;
237
238	if (pdata->phy_mode == FSL_USB2_PHY_UTMI_WIDE) {
239		u32 reg = 0;
240
241		if (pdata->invert_drvvbus)
242			reg |= GC_PPP;
243
244		if (pdata->invert_pwr_fault)
245			reg |= GC_PFP;
246
247		out_be32(pdata->regs + ISIPHYCTRL, PHYCTRL_PHYE | PHYCTRL_PXE);
248		out_be32(pdata->regs + USBGENCTRL, reg);
249	}
250	return 0;
251}
252
253static void fsl_usb2_mpc5121_exit(struct platform_device *pdev)
254{
255	struct fsl_usb2_platform_data *pdata = pdev->dev.platform_data;
256
257	pdata->regs = NULL;
258
259	if (pdata->clk) {
260		clk_disable(pdata->clk);
261		clk_put(pdata->clk);
262	}
263}
264
265static struct fsl_usb2_platform_data fsl_usb2_mpc5121_pd = {
266	.big_endian_desc = 1,
267	.big_endian_mmio = 1,
268	.es = 1,
269	.have_sysif_regs = 0,
270	.le_setup_buf = 1,
271	.init = fsl_usb2_mpc5121_init,
272	.exit = fsl_usb2_mpc5121_exit,
273};
274#endif /* CONFIG_PPC_MPC512x */
275
276static struct fsl_usb2_platform_data fsl_usb2_mpc8xxx_pd = {
277	.have_sysif_regs = 1,
278};
279
280static const struct of_device_id fsl_usb2_mph_dr_of_match[] = {
281	{ .compatible = "fsl-usb2-mph", .data = &fsl_usb2_mpc8xxx_pd, },
282	{ .compatible = "fsl-usb2-dr", .data = &fsl_usb2_mpc8xxx_pd, },
283#ifdef CONFIG_PPC_MPC512x
284	{ .compatible = "fsl,mpc5121-usb2-dr", .data = &fsl_usb2_mpc5121_pd, },
285#endif
286	{},
287};
 
288
289static struct platform_driver fsl_usb2_mph_dr_driver = {
290	.driver = {
291		.name = "fsl-usb2-mph-dr",
292		.owner = THIS_MODULE,
293		.of_match_table = fsl_usb2_mph_dr_of_match,
294	},
295	.probe	= fsl_usb2_mph_dr_of_probe,
296	.remove	= __devexit_p(fsl_usb2_mph_dr_of_remove),
297};
298
299static int __init fsl_usb2_mph_dr_init(void)
300{
301	return platform_driver_register(&fsl_usb2_mph_dr_driver);
302}
303module_init(fsl_usb2_mph_dr_init);
304
305static void __exit fsl_usb2_mph_dr_exit(void)
306{
307	platform_driver_unregister(&fsl_usb2_mph_dr_driver);
308}
309module_exit(fsl_usb2_mph_dr_exit);
310
311MODULE_DESCRIPTION("FSL MPH DR OF devices driver");
312MODULE_AUTHOR("Anatolij Gustschin <agust@denx.de>");
313MODULE_LICENSE("GPL");
v5.4
  1// SPDX-License-Identifier: GPL-2.0+
  2/*
  3 * Setup platform devices needed by the Freescale multi-port host
  4 * and/or dual-role USB controller modules based on the description
  5 * in flat device tree.
 
 
 
 
 
  6 */
  7
  8#include <linux/kernel.h>
  9#include <linux/platform_device.h>
 10#include <linux/fsl_devices.h>
 11#include <linux/err.h>
 12#include <linux/io.h>
 13#include <linux/of_platform.h>
 14#include <linux/clk.h>
 15#include <linux/module.h>
 16#include <linux/dma-mapping.h>
 17
 18struct fsl_usb2_dev_data {
 19	char *dr_mode;		/* controller mode */
 20	char *drivers[3];	/* drivers to instantiate for this mode */
 21	enum fsl_usb2_operating_modes op_mode;	/* operating mode */
 22};
 23
 24static struct fsl_usb2_dev_data dr_mode_data[] = {
 25	{
 26		.dr_mode = "host",
 27		.drivers = { "fsl-ehci", NULL, NULL, },
 28		.op_mode = FSL_USB2_DR_HOST,
 29	},
 30	{
 31		.dr_mode = "otg",
 32		.drivers = { "fsl-usb2-otg", "fsl-ehci", "fsl-usb2-udc", },
 33		.op_mode = FSL_USB2_DR_OTG,
 34	},
 35	{
 36		.dr_mode = "peripheral",
 37		.drivers = { "fsl-usb2-udc", NULL, NULL, },
 38		.op_mode = FSL_USB2_DR_DEVICE,
 39	},
 40};
 41
 42static struct fsl_usb2_dev_data *get_dr_mode_data(struct device_node *np)
 43{
 44	const unsigned char *prop;
 45	int i;
 46
 47	prop = of_get_property(np, "dr_mode", NULL);
 48	if (prop) {
 49		for (i = 0; i < ARRAY_SIZE(dr_mode_data); i++) {
 50			if (!strcmp(prop, dr_mode_data[i].dr_mode))
 51				return &dr_mode_data[i];
 52		}
 53	}
 54	pr_warn("%pOF: Invalid 'dr_mode' property, fallback to host mode\n",
 55		np);
 56	return &dr_mode_data[0]; /* mode not specified, use host */
 57}
 58
 59static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 60{
 61	if (!phy_type)
 62		return FSL_USB2_PHY_NONE;
 63	if (!strcasecmp(phy_type, "ulpi"))
 64		return FSL_USB2_PHY_ULPI;
 65	if (!strcasecmp(phy_type, "utmi"))
 66		return FSL_USB2_PHY_UTMI;
 67	if (!strcasecmp(phy_type, "utmi_wide"))
 68		return FSL_USB2_PHY_UTMI_WIDE;
 69	if (!strcasecmp(phy_type, "utmi_dual"))
 70		return FSL_USB2_PHY_UTMI_DUAL;
 71	if (!strcasecmp(phy_type, "serial"))
 72		return FSL_USB2_PHY_SERIAL;
 73
 74	return FSL_USB2_PHY_NONE;
 75}
 76
 77static struct platform_device *fsl_usb2_device_register(
 78					struct platform_device *ofdev,
 79					struct fsl_usb2_platform_data *pdata,
 80					const char *name, int id)
 81{
 82	struct platform_device *pdev;
 83	const struct resource *res = ofdev->resource;
 84	unsigned int num = ofdev->num_resources;
 85	int retval;
 86
 87	pdev = platform_device_alloc(name, id);
 88	if (!pdev) {
 89		retval = -ENOMEM;
 90		goto error;
 91	}
 92
 93	pdev->dev.parent = &ofdev->dev;
 94
 95	pdev->dev.coherent_dma_mask = ofdev->dev.coherent_dma_mask;
 96
 97	if (!pdev->dev.dma_mask)
 98		pdev->dev.dma_mask = &ofdev->dev.coherent_dma_mask;
 99	else
100		dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
101
102	retval = platform_device_add_data(pdev, pdata, sizeof(*pdata));
103	if (retval)
104		goto error;
105
106	if (num) {
107		retval = platform_device_add_resources(pdev, res, num);
108		if (retval)
109			goto error;
110	}
111
112	retval = platform_device_add(pdev);
113	if (retval)
114		goto error;
115
116	return pdev;
117
118error:
119	platform_device_put(pdev);
120	return ERR_PTR(retval);
121}
122
123static const struct of_device_id fsl_usb2_mph_dr_of_match[];
124
125static enum fsl_usb2_controller_ver usb_get_ver_info(struct device_node *np)
126{
127	enum fsl_usb2_controller_ver ver = FSL_USB_VER_NONE;
128
129	/*
130	 * returns 1 for usb controller version 1.6
131	 * returns 2 for usb controller version 2.2
132	 * returns 3 for usb controller version 2.4
133	 * returns 4 for usb controller version 2.5
134	 * returns 0 otherwise
135	 */
136	if (of_device_is_compatible(np, "fsl-usb2-dr")) {
137		if (of_device_is_compatible(np, "fsl-usb2-dr-v1.6"))
138			ver = FSL_USB_VER_1_6;
139		else if (of_device_is_compatible(np, "fsl-usb2-dr-v2.2"))
140			ver = FSL_USB_VER_2_2;
141		else if (of_device_is_compatible(np, "fsl-usb2-dr-v2.4"))
142			ver = FSL_USB_VER_2_4;
143		else if (of_device_is_compatible(np, "fsl-usb2-dr-v2.5"))
144			ver = FSL_USB_VER_2_5;
145		else /* for previous controller versions */
146			ver = FSL_USB_VER_OLD;
147
148		if (ver > FSL_USB_VER_NONE)
149			return ver;
150	}
151
152	if (of_device_is_compatible(np, "fsl,mpc5121-usb2-dr"))
153		return FSL_USB_VER_OLD;
154
155	if (of_device_is_compatible(np, "fsl-usb2-mph")) {
156		if (of_device_is_compatible(np, "fsl-usb2-mph-v1.6"))
157			ver = FSL_USB_VER_1_6;
158		else if (of_device_is_compatible(np, "fsl-usb2-mph-v2.2"))
159			ver = FSL_USB_VER_2_2;
160		else if (of_device_is_compatible(np, "fsl-usb2-mph-v2.4"))
161			ver = FSL_USB_VER_2_4;
162		else if (of_device_is_compatible(np, "fsl-usb2-mph-v2.5"))
163			ver = FSL_USB_VER_2_5;
164		else /* for previous controller versions */
165			ver = FSL_USB_VER_OLD;
166	}
167
168	return ver;
169}
170
171static int fsl_usb2_mph_dr_of_probe(struct platform_device *ofdev)
172{
173	struct device_node *np = ofdev->dev.of_node;
174	struct platform_device *usb_dev;
175	struct fsl_usb2_platform_data data, *pdata;
176	struct fsl_usb2_dev_data *dev_data;
177	const struct of_device_id *match;
178	const unsigned char *prop;
179	static unsigned int idx;
180	int i;
181
182	if (!of_device_is_available(np))
183		return -ENODEV;
184
185	match = of_match_device(fsl_usb2_mph_dr_of_match, &ofdev->dev);
186	if (!match)
187		return -ENODEV;
188
189	pdata = &data;
190	if (match->data)
191		memcpy(pdata, match->data, sizeof(data));
192	else
193		memset(pdata, 0, sizeof(data));
194
195	dev_data = get_dr_mode_data(np);
196
197	if (of_device_is_compatible(np, "fsl-usb2-mph")) {
198		if (of_get_property(np, "port0", NULL))
199			pdata->port_enables |= FSL_USB2_PORT0_ENABLED;
200
201		if (of_get_property(np, "port1", NULL))
202			pdata->port_enables |= FSL_USB2_PORT1_ENABLED;
203
204		pdata->operating_mode = FSL_USB2_MPH_HOST;
205	} else {
206		if (of_get_property(np, "fsl,invert-drvvbus", NULL))
207			pdata->invert_drvvbus = 1;
208
209		if (of_get_property(np, "fsl,invert-pwr-fault", NULL))
210			pdata->invert_pwr_fault = 1;
211
212		/* setup mode selected in the device tree */
213		pdata->operating_mode = dev_data->op_mode;
214	}
215
216	prop = of_get_property(np, "phy_type", NULL);
217	pdata->phy_mode = determine_usb_phy(prop);
218	pdata->controller_ver = usb_get_ver_info(np);
219
220	/* Activate Erratum by reading property in device tree */
221	pdata->has_fsl_erratum_a007792 =
222		of_property_read_bool(np, "fsl,usb-erratum-a007792");
223	pdata->has_fsl_erratum_a005275 =
224		of_property_read_bool(np, "fsl,usb-erratum-a005275");
225	pdata->has_fsl_erratum_a005697 =
226		of_property_read_bool(np, "fsl,usb_erratum-a005697");
227	pdata->has_fsl_erratum_a006918 =
228		of_property_read_bool(np, "fsl,usb_erratum-a006918");
229	pdata->has_fsl_erratum_14 =
230		of_property_read_bool(np, "fsl,usb_erratum-14");
231
232	/*
233	 * Determine whether phy_clk_valid needs to be checked
234	 * by reading property in device tree
235	 */
236	pdata->check_phy_clk_valid =
237		of_property_read_bool(np, "phy-clk-valid");
238
239	if (pdata->have_sysif_regs) {
240		if (pdata->controller_ver == FSL_USB_VER_NONE) {
241			dev_warn(&ofdev->dev, "Could not get controller version\n");
242			return -ENODEV;
243		}
244	}
245
246	for (i = 0; i < ARRAY_SIZE(dev_data->drivers); i++) {
247		if (!dev_data->drivers[i])
248			continue;
249		usb_dev = fsl_usb2_device_register(ofdev, pdata,
250					dev_data->drivers[i], idx);
251		if (IS_ERR(usb_dev)) {
252			dev_err(&ofdev->dev, "Can't register usb device\n");
253			return PTR_ERR(usb_dev);
254		}
255	}
256	idx++;
257	return 0;
258}
259
260static int __unregister_subdev(struct device *dev, void *d)
261{
262	platform_device_unregister(to_platform_device(dev));
263	return 0;
264}
265
266static int fsl_usb2_mph_dr_of_remove(struct platform_device *ofdev)
267{
268	device_for_each_child(&ofdev->dev, NULL, __unregister_subdev);
269	return 0;
270}
271
272#ifdef CONFIG_PPC_MPC512x
273
274#define USBGENCTRL		0x200		/* NOTE: big endian */
275#define GC_WU_INT_CLR		(1 << 5)	/* Wakeup int clear */
276#define GC_ULPI_SEL		(1 << 4)	/* ULPI i/f select (usb0 only)*/
277#define GC_PPP			(1 << 3)	/* Inv. Port Power Polarity */
278#define GC_PFP			(1 << 2)	/* Inv. Power Fault Polarity */
279#define GC_WU_ULPI_EN		(1 << 1)	/* Wakeup on ULPI event */
280#define GC_WU_IE		(1 << 1)	/* Wakeup interrupt enable */
281
282#define ISIPHYCTRL		0x204		/* NOTE: big endian */
283#define PHYCTRL_PHYE		(1 << 4)	/* On-chip UTMI PHY enable */
284#define PHYCTRL_BSENH		(1 << 3)	/* Bit Stuff Enable High */
285#define PHYCTRL_BSEN		(1 << 2)	/* Bit Stuff Enable */
286#define PHYCTRL_LSFE		(1 << 1)	/* Line State Filter Enable */
287#define PHYCTRL_PXE		(1 << 0)	/* PHY oscillator enable */
288
289int fsl_usb2_mpc5121_init(struct platform_device *pdev)
290{
291	struct fsl_usb2_platform_data *pdata = dev_get_platdata(&pdev->dev);
292	struct clk *clk;
293	int err;
 
294
295	clk = devm_clk_get(pdev->dev.parent, "ipg");
 
 
 
 
 
 
 
 
 
296	if (IS_ERR(clk)) {
297		dev_err(&pdev->dev, "failed to get clk\n");
298		return PTR_ERR(clk);
299	}
300	err = clk_prepare_enable(clk);
301	if (err) {
302		dev_err(&pdev->dev, "failed to enable clk\n");
303		return err;
304	}
305	pdata->clk = clk;
306
307	if (pdata->phy_mode == FSL_USB2_PHY_UTMI_WIDE) {
308		u32 reg = 0;
309
310		if (pdata->invert_drvvbus)
311			reg |= GC_PPP;
312
313		if (pdata->invert_pwr_fault)
314			reg |= GC_PFP;
315
316		out_be32(pdata->regs + ISIPHYCTRL, PHYCTRL_PHYE | PHYCTRL_PXE);
317		out_be32(pdata->regs + USBGENCTRL, reg);
318	}
319	return 0;
320}
321
322static void fsl_usb2_mpc5121_exit(struct platform_device *pdev)
323{
324	struct fsl_usb2_platform_data *pdata = dev_get_platdata(&pdev->dev);
325
326	pdata->regs = NULL;
327
328	if (pdata->clk)
329		clk_disable_unprepare(pdata->clk);
 
 
330}
331
332static struct fsl_usb2_platform_data fsl_usb2_mpc5121_pd = {
333	.big_endian_desc = 1,
334	.big_endian_mmio = 1,
335	.es = 1,
336	.have_sysif_regs = 0,
337	.le_setup_buf = 1,
338	.init = fsl_usb2_mpc5121_init,
339	.exit = fsl_usb2_mpc5121_exit,
340};
341#endif /* CONFIG_PPC_MPC512x */
342
343static struct fsl_usb2_platform_data fsl_usb2_mpc8xxx_pd = {
344	.have_sysif_regs = 1,
345};
346
347static const struct of_device_id fsl_usb2_mph_dr_of_match[] = {
348	{ .compatible = "fsl-usb2-mph", .data = &fsl_usb2_mpc8xxx_pd, },
349	{ .compatible = "fsl-usb2-dr", .data = &fsl_usb2_mpc8xxx_pd, },
350#ifdef CONFIG_PPC_MPC512x
351	{ .compatible = "fsl,mpc5121-usb2-dr", .data = &fsl_usb2_mpc5121_pd, },
352#endif
353	{},
354};
355MODULE_DEVICE_TABLE(of, fsl_usb2_mph_dr_of_match);
356
357static struct platform_driver fsl_usb2_mph_dr_driver = {
358	.driver = {
359		.name = "fsl-usb2-mph-dr",
 
360		.of_match_table = fsl_usb2_mph_dr_of_match,
361	},
362	.probe	= fsl_usb2_mph_dr_of_probe,
363	.remove	= fsl_usb2_mph_dr_of_remove,
364};
365
366module_platform_driver(fsl_usb2_mph_dr_driver);
 
 
 
 
 
 
 
 
 
 
367
368MODULE_DESCRIPTION("FSL MPH DR OF devices driver");
369MODULE_AUTHOR("Anatolij Gustschin <agust@denx.de>");
370MODULE_LICENSE("GPL");