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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");
v5.14.15
  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		retval = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
101		if (retval)
102			goto error;
103	}
104
105	retval = platform_device_add_data(pdev, pdata, sizeof(*pdata));
106	if (retval)
107		goto error;
108
109	if (num) {
110		retval = platform_device_add_resources(pdev, res, num);
111		if (retval)
112			goto error;
113	}
114
115	retval = platform_device_add(pdev);
116	if (retval)
117		goto error;
118
119	return pdev;
120
121error:
122	platform_device_put(pdev);
123	return ERR_PTR(retval);
124}
125
126static const struct of_device_id fsl_usb2_mph_dr_of_match[];
127
128static enum fsl_usb2_controller_ver usb_get_ver_info(struct device_node *np)
129{
130	enum fsl_usb2_controller_ver ver = FSL_USB_VER_NONE;
131
132	/*
133	 * returns 1 for usb controller version 1.6
134	 * returns 2 for usb controller version 2.2
135	 * returns 3 for usb controller version 2.4
136	 * returns 4 for usb controller version 2.5
137	 * returns 0 otherwise
138	 */
139	if (of_device_is_compatible(np, "fsl-usb2-dr")) {
140		if (of_device_is_compatible(np, "fsl-usb2-dr-v1.6"))
141			ver = FSL_USB_VER_1_6;
142		else if (of_device_is_compatible(np, "fsl-usb2-dr-v2.2"))
143			ver = FSL_USB_VER_2_2;
144		else if (of_device_is_compatible(np, "fsl-usb2-dr-v2.4"))
145			ver = FSL_USB_VER_2_4;
146		else if (of_device_is_compatible(np, "fsl-usb2-dr-v2.5"))
147			ver = FSL_USB_VER_2_5;
148		else /* for previous controller versions */
149			ver = FSL_USB_VER_OLD;
150
151		if (ver > FSL_USB_VER_NONE)
152			return ver;
153	}
154
155	if (of_device_is_compatible(np, "fsl,mpc5121-usb2-dr"))
156		return FSL_USB_VER_OLD;
157
158	if (of_device_is_compatible(np, "fsl-usb2-mph")) {
159		if (of_device_is_compatible(np, "fsl-usb2-mph-v1.6"))
160			ver = FSL_USB_VER_1_6;
161		else if (of_device_is_compatible(np, "fsl-usb2-mph-v2.2"))
162			ver = FSL_USB_VER_2_2;
163		else if (of_device_is_compatible(np, "fsl-usb2-mph-v2.4"))
164			ver = FSL_USB_VER_2_4;
165		else if (of_device_is_compatible(np, "fsl-usb2-mph-v2.5"))
166			ver = FSL_USB_VER_2_5;
167		else /* for previous controller versions */
168			ver = FSL_USB_VER_OLD;
169	}
170
171	return ver;
172}
173
174static int fsl_usb2_mph_dr_of_probe(struct platform_device *ofdev)
175{
176	struct device_node *np = ofdev->dev.of_node;
177	struct platform_device *usb_dev;
178	struct fsl_usb2_platform_data data, *pdata;
179	struct fsl_usb2_dev_data *dev_data;
180	const struct of_device_id *match;
181	const unsigned char *prop;
182	static unsigned int idx;
183	int i;
184
185	if (!of_device_is_available(np))
186		return -ENODEV;
187
188	match = of_match_device(fsl_usb2_mph_dr_of_match, &ofdev->dev);
189	if (!match)
190		return -ENODEV;
191
192	pdata = &data;
193	if (match->data)
194		memcpy(pdata, match->data, sizeof(data));
195	else
196		memset(pdata, 0, sizeof(data));
197
198	dev_data = get_dr_mode_data(np);
199
200	if (of_device_is_compatible(np, "fsl-usb2-mph")) {
201		if (of_get_property(np, "port0", NULL))
202			pdata->port_enables |= FSL_USB2_PORT0_ENABLED;
203
204		if (of_get_property(np, "port1", NULL))
205			pdata->port_enables |= FSL_USB2_PORT1_ENABLED;
206
207		pdata->operating_mode = FSL_USB2_MPH_HOST;
208	} else {
209		if (of_get_property(np, "fsl,invert-drvvbus", NULL))
210			pdata->invert_drvvbus = 1;
211
212		if (of_get_property(np, "fsl,invert-pwr-fault", NULL))
213			pdata->invert_pwr_fault = 1;
214
215		/* setup mode selected in the device tree */
216		pdata->operating_mode = dev_data->op_mode;
217	}
218
219	prop = of_get_property(np, "phy_type", NULL);
220	pdata->phy_mode = determine_usb_phy(prop);
221	pdata->controller_ver = usb_get_ver_info(np);
222
223	/* Activate Erratum by reading property in device tree */
224	pdata->has_fsl_erratum_a007792 =
225		of_property_read_bool(np, "fsl,usb-erratum-a007792");
226	pdata->has_fsl_erratum_a005275 =
227		of_property_read_bool(np, "fsl,usb-erratum-a005275");
228	pdata->has_fsl_erratum_a005697 =
229		of_property_read_bool(np, "fsl,usb_erratum-a005697");
230	pdata->has_fsl_erratum_a006918 =
231		of_property_read_bool(np, "fsl,usb_erratum-a006918");
232	pdata->has_fsl_erratum_14 =
233		of_property_read_bool(np, "fsl,usb_erratum-14");
234
235	/*
236	 * Determine whether phy_clk_valid needs to be checked
237	 * by reading property in device tree
238	 */
239	pdata->check_phy_clk_valid =
240		of_property_read_bool(np, "phy-clk-valid");
241
242	if (pdata->have_sysif_regs) {
243		if (pdata->controller_ver == FSL_USB_VER_NONE) {
244			dev_warn(&ofdev->dev, "Could not get controller version\n");
245			return -ENODEV;
246		}
247	}
248
249	for (i = 0; i < ARRAY_SIZE(dev_data->drivers); i++) {
250		if (!dev_data->drivers[i])
251			continue;
252		usb_dev = fsl_usb2_device_register(ofdev, pdata,
253					dev_data->drivers[i], idx);
254		if (IS_ERR(usb_dev)) {
255			dev_err(&ofdev->dev, "Can't register usb device\n");
256			return PTR_ERR(usb_dev);
257		}
258	}
259	idx++;
260	return 0;
261}
262
263static int __unregister_subdev(struct device *dev, void *d)
264{
265	platform_device_unregister(to_platform_device(dev));
266	return 0;
267}
268
269static int fsl_usb2_mph_dr_of_remove(struct platform_device *ofdev)
270{
271	device_for_each_child(&ofdev->dev, NULL, __unregister_subdev);
272	return 0;
273}
274
275#ifdef CONFIG_PPC_MPC512x
276
277#define USBGENCTRL		0x200		/* NOTE: big endian */
278#define GC_WU_INT_CLR		(1 << 5)	/* Wakeup int clear */
279#define GC_ULPI_SEL		(1 << 4)	/* ULPI i/f select (usb0 only)*/
280#define GC_PPP			(1 << 3)	/* Inv. Port Power Polarity */
281#define GC_PFP			(1 << 2)	/* Inv. Power Fault Polarity */
282#define GC_WU_ULPI_EN		(1 << 1)	/* Wakeup on ULPI event */
283#define GC_WU_IE		(1 << 1)	/* Wakeup interrupt enable */
284
285#define ISIPHYCTRL		0x204		/* NOTE: big endian */
286#define PHYCTRL_PHYE		(1 << 4)	/* On-chip UTMI PHY enable */
287#define PHYCTRL_BSENH		(1 << 3)	/* Bit Stuff Enable High */
288#define PHYCTRL_BSEN		(1 << 2)	/* Bit Stuff Enable */
289#define PHYCTRL_LSFE		(1 << 1)	/* Line State Filter Enable */
290#define PHYCTRL_PXE		(1 << 0)	/* PHY oscillator enable */
291
292int fsl_usb2_mpc5121_init(struct platform_device *pdev)
293{
294	struct fsl_usb2_platform_data *pdata = dev_get_platdata(&pdev->dev);
295	struct clk *clk;
296	int err;
 
297
298	clk = devm_clk_get(pdev->dev.parent, "ipg");
 
 
 
 
 
 
 
 
 
299	if (IS_ERR(clk)) {
300		dev_err(&pdev->dev, "failed to get clk\n");
301		return PTR_ERR(clk);
302	}
303	err = clk_prepare_enable(clk);
304	if (err) {
305		dev_err(&pdev->dev, "failed to enable clk\n");
306		return err;
307	}
308	pdata->clk = clk;
309
310	if (pdata->phy_mode == FSL_USB2_PHY_UTMI_WIDE) {
311		u32 reg = 0;
312
313		if (pdata->invert_drvvbus)
314			reg |= GC_PPP;
315
316		if (pdata->invert_pwr_fault)
317			reg |= GC_PFP;
318
319		out_be32(pdata->regs + ISIPHYCTRL, PHYCTRL_PHYE | PHYCTRL_PXE);
320		out_be32(pdata->regs + USBGENCTRL, reg);
321	}
322	return 0;
323}
324
325static void fsl_usb2_mpc5121_exit(struct platform_device *pdev)
326{
327	struct fsl_usb2_platform_data *pdata = dev_get_platdata(&pdev->dev);
328
329	pdata->regs = NULL;
330
331	if (pdata->clk)
332		clk_disable_unprepare(pdata->clk);
 
 
333}
334
335static struct fsl_usb2_platform_data fsl_usb2_mpc5121_pd = {
336	.big_endian_desc = 1,
337	.big_endian_mmio = 1,
338	.es = 1,
339	.have_sysif_regs = 0,
340	.le_setup_buf = 1,
341	.init = fsl_usb2_mpc5121_init,
342	.exit = fsl_usb2_mpc5121_exit,
343};
344#endif /* CONFIG_PPC_MPC512x */
345
346static struct fsl_usb2_platform_data fsl_usb2_mpc8xxx_pd = {
347	.have_sysif_regs = 1,
348};
349
350static const struct of_device_id fsl_usb2_mph_dr_of_match[] = {
351	{ .compatible = "fsl-usb2-mph", .data = &fsl_usb2_mpc8xxx_pd, },
352	{ .compatible = "fsl-usb2-dr", .data = &fsl_usb2_mpc8xxx_pd, },
353#ifdef CONFIG_PPC_MPC512x
354	{ .compatible = "fsl,mpc5121-usb2-dr", .data = &fsl_usb2_mpc5121_pd, },
355#endif
356	{},
357};
358MODULE_DEVICE_TABLE(of, fsl_usb2_mph_dr_of_match);
359
360static struct platform_driver fsl_usb2_mph_dr_driver = {
361	.driver = {
362		.name = "fsl-usb2-mph-dr",
 
363		.of_match_table = fsl_usb2_mph_dr_of_match,
364	},
365	.probe	= fsl_usb2_mph_dr_of_probe,
366	.remove	= fsl_usb2_mph_dr_of_remove,
367};
368
369module_platform_driver(fsl_usb2_mph_dr_driver);
 
 
 
 
 
 
 
 
 
 
370
371MODULE_DESCRIPTION("FSL MPH DR OF devices driver");
372MODULE_AUTHOR("Anatolij Gustschin <agust@denx.de>");
373MODULE_LICENSE("GPL");