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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");
v6.9.4
  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.h>
 14#include <linux/of_device.h>
 15#include <linux/clk.h>
 16#include <linux/module.h>
 17#include <linux/dma-mapping.h>
 18
 19struct fsl_usb2_dev_data {
 20	char *dr_mode;		/* controller mode */
 21	char *drivers[3];	/* drivers to instantiate for this mode */
 22	enum fsl_usb2_operating_modes op_mode;	/* operating mode */
 23};
 24
 25static struct fsl_usb2_dev_data dr_mode_data[] = {
 26	{
 27		.dr_mode = "host",
 28		.drivers = { "fsl-ehci", NULL, NULL, },
 29		.op_mode = FSL_USB2_DR_HOST,
 30	},
 31	{
 32		.dr_mode = "otg",
 33		.drivers = { "fsl-usb2-otg", "fsl-ehci", "fsl-usb2-udc", },
 34		.op_mode = FSL_USB2_DR_OTG,
 35	},
 36	{
 37		.dr_mode = "peripheral",
 38		.drivers = { "fsl-usb2-udc", NULL, NULL, },
 39		.op_mode = FSL_USB2_DR_DEVICE,
 40	},
 41};
 42
 43static struct fsl_usb2_dev_data *get_dr_mode_data(struct device_node *np)
 44{
 45	const unsigned char *prop;
 46	int i;
 47
 48	prop = of_get_property(np, "dr_mode", NULL);
 49	if (prop) {
 50		for (i = 0; i < ARRAY_SIZE(dr_mode_data); i++) {
 51			if (!strcmp(prop, dr_mode_data[i].dr_mode))
 52				return &dr_mode_data[i];
 53		}
 54	}
 55	pr_warn("%pOF: Invalid 'dr_mode' property, fallback to host mode\n",
 56		np);
 57	return &dr_mode_data[0]; /* mode not specified, use host */
 58}
 59
 60static enum fsl_usb2_phy_modes determine_usb_phy(const char *phy_type)
 61{
 62	if (!phy_type)
 63		return FSL_USB2_PHY_NONE;
 64	if (!strcasecmp(phy_type, "ulpi"))
 65		return FSL_USB2_PHY_ULPI;
 66	if (!strcasecmp(phy_type, "utmi"))
 67		return FSL_USB2_PHY_UTMI;
 68	if (!strcasecmp(phy_type, "utmi_wide"))
 69		return FSL_USB2_PHY_UTMI_WIDE;
 70	if (!strcasecmp(phy_type, "utmi_dual"))
 71		return FSL_USB2_PHY_UTMI_DUAL;
 72	if (!strcasecmp(phy_type, "serial"))
 73		return FSL_USB2_PHY_SERIAL;
 74
 75	return FSL_USB2_PHY_NONE;
 76}
 77
 78static struct platform_device *fsl_usb2_device_register(
 79					struct platform_device *ofdev,
 80					struct fsl_usb2_platform_data *pdata,
 81					const char *name, int id)
 82{
 83	struct platform_device *pdev;
 84	const struct resource *res = ofdev->resource;
 85	unsigned int num = ofdev->num_resources;
 86	int retval;
 87
 88	pdev = platform_device_alloc(name, id);
 89	if (!pdev) {
 90		retval = -ENOMEM;
 91		goto error;
 92	}
 93
 94	pdev->dev.parent = &ofdev->dev;
 95
 96	pdev->dev.coherent_dma_mask = ofdev->dev.coherent_dma_mask;
 97
 98	if (!pdev->dev.dma_mask) {
 99		pdev->dev.dma_mask = &ofdev->dev.coherent_dma_mask;
100	} else {
101		retval = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
102		if (retval)
103			goto error;
104	}
105
106	retval = platform_device_add_data(pdev, pdata, sizeof(*pdata));
107	if (retval)
108		goto error;
109
110	if (num) {
111		retval = platform_device_add_resources(pdev, res, num);
112		if (retval)
113			goto error;
114	}
115
116	device_set_of_node_from_dev(&pdev->dev, &ofdev->dev);
117
118	retval = platform_device_add(pdev);
119	if (retval)
120		goto error;
121
122	return pdev;
123
124error:
125	platform_device_put(pdev);
126	return ERR_PTR(retval);
127}
128
129static const struct of_device_id fsl_usb2_mph_dr_of_match[];
130
131static enum fsl_usb2_controller_ver usb_get_ver_info(struct device_node *np)
132{
133	enum fsl_usb2_controller_ver ver = FSL_USB_VER_NONE;
134
135	/*
136	 * returns 1 for usb controller version 1.6
137	 * returns 2 for usb controller version 2.2
138	 * returns 3 for usb controller version 2.4
139	 * returns 4 for usb controller version 2.5
140	 * returns 0 otherwise
141	 */
142	if (of_device_is_compatible(np, "fsl-usb2-dr")) {
143		if (of_device_is_compatible(np, "fsl-usb2-dr-v1.6"))
144			ver = FSL_USB_VER_1_6;
145		else if (of_device_is_compatible(np, "fsl-usb2-dr-v2.2"))
146			ver = FSL_USB_VER_2_2;
147		else if (of_device_is_compatible(np, "fsl-usb2-dr-v2.4"))
148			ver = FSL_USB_VER_2_4;
149		else if (of_device_is_compatible(np, "fsl-usb2-dr-v2.5"))
150			ver = FSL_USB_VER_2_5;
151		else /* for previous controller versions */
152			ver = FSL_USB_VER_OLD;
153
154		if (ver > FSL_USB_VER_NONE)
155			return ver;
156	}
157
158	if (of_device_is_compatible(np, "fsl,mpc5121-usb2-dr"))
159		return FSL_USB_VER_OLD;
160
161	if (of_device_is_compatible(np, "fsl-usb2-mph")) {
162		if (of_device_is_compatible(np, "fsl-usb2-mph-v1.6"))
163			ver = FSL_USB_VER_1_6;
164		else if (of_device_is_compatible(np, "fsl-usb2-mph-v2.2"))
165			ver = FSL_USB_VER_2_2;
166		else if (of_device_is_compatible(np, "fsl-usb2-mph-v2.4"))
167			ver = FSL_USB_VER_2_4;
168		else if (of_device_is_compatible(np, "fsl-usb2-mph-v2.5"))
169			ver = FSL_USB_VER_2_5;
170		else /* for previous controller versions */
171			ver = FSL_USB_VER_OLD;
172	}
173
174	return ver;
175}
176
177static int fsl_usb2_mph_dr_of_probe(struct platform_device *ofdev)
178{
179	struct device_node *np = ofdev->dev.of_node;
180	struct platform_device *usb_dev;
181	struct fsl_usb2_platform_data data, *pdata;
182	struct fsl_usb2_dev_data *dev_data;
183	const struct of_device_id *match;
184	const unsigned char *prop;
185	static unsigned int idx;
186	int i;
187
188	if (!of_device_is_available(np))
189		return -ENODEV;
190
191	match = of_match_device(fsl_usb2_mph_dr_of_match, &ofdev->dev);
192	if (!match)
193		return -ENODEV;
194
195	pdata = &data;
196	if (match->data)
197		memcpy(pdata, match->data, sizeof(data));
198	else
199		memset(pdata, 0, sizeof(data));
200
201	dev_data = get_dr_mode_data(np);
202
203	if (of_device_is_compatible(np, "fsl-usb2-mph")) {
204		if (of_property_present(np, "port0"))
205			pdata->port_enables |= FSL_USB2_PORT0_ENABLED;
206
207		if (of_property_present(np, "port1"))
208			pdata->port_enables |= FSL_USB2_PORT1_ENABLED;
209
210		pdata->operating_mode = FSL_USB2_MPH_HOST;
211	} else {
212		pdata->invert_drvvbus = of_property_read_bool(np, "fsl,invert-drvvbus");
213		pdata->invert_pwr_fault = of_property_read_bool(np, "fsl,invert-pwr-fault");
 
 
 
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 void fsl_usb2_mph_dr_of_remove(struct platform_device *ofdev)
270{
271	device_for_each_child(&ofdev->dev, NULL, __unregister_subdev);
 
272}
273
274#ifdef CONFIG_PPC_MPC512x
275
276#define USBGENCTRL		0x200		/* NOTE: big endian */
277#define GC_WU_INT_CLR		(1 << 5)	/* Wakeup int clear */
278#define GC_ULPI_SEL		(1 << 4)	/* ULPI i/f select (usb0 only)*/
279#define GC_PPP			(1 << 3)	/* Inv. Port Power Polarity */
280#define GC_PFP			(1 << 2)	/* Inv. Power Fault Polarity */
281#define GC_WU_ULPI_EN		(1 << 1)	/* Wakeup on ULPI event */
282#define GC_WU_IE		(1 << 1)	/* Wakeup interrupt enable */
283
284#define ISIPHYCTRL		0x204		/* NOTE: big endian */
285#define PHYCTRL_PHYE		(1 << 4)	/* On-chip UTMI PHY enable */
286#define PHYCTRL_BSENH		(1 << 3)	/* Bit Stuff Enable High */
287#define PHYCTRL_BSEN		(1 << 2)	/* Bit Stuff Enable */
288#define PHYCTRL_LSFE		(1 << 1)	/* Line State Filter Enable */
289#define PHYCTRL_PXE		(1 << 0)	/* PHY oscillator enable */
290
291static int fsl_usb2_mpc5121_init(struct platform_device *pdev)
292{
293	struct fsl_usb2_platform_data *pdata = dev_get_platdata(&pdev->dev);
294	struct clk *clk;
295	int err;
 
 
 
 
 
 
 
 
 
296
297	clk = devm_clk_get(pdev->dev.parent, "ipg");
 
298	if (IS_ERR(clk)) {
299		dev_err(&pdev->dev, "failed to get clk\n");
300		return PTR_ERR(clk);
301	}
302	err = clk_prepare_enable(clk);
303	if (err) {
304		dev_err(&pdev->dev, "failed to enable clk\n");
305		return err;
306	}
307	pdata->clk = clk;
308
309	if (pdata->phy_mode == FSL_USB2_PHY_UTMI_WIDE) {
310		u32 reg = 0;
311
312		if (pdata->invert_drvvbus)
313			reg |= GC_PPP;
314
315		if (pdata->invert_pwr_fault)
316			reg |= GC_PFP;
317
318		out_be32(pdata->regs + ISIPHYCTRL, PHYCTRL_PHYE | PHYCTRL_PXE);
319		out_be32(pdata->regs + USBGENCTRL, reg);
320	}
321	return 0;
322}
323
324static void fsl_usb2_mpc5121_exit(struct platform_device *pdev)
325{
326	struct fsl_usb2_platform_data *pdata = dev_get_platdata(&pdev->dev);
327
328	pdata->regs = NULL;
329
330	if (pdata->clk)
331		clk_disable_unprepare(pdata->clk);
 
 
332}
333
334static struct fsl_usb2_platform_data fsl_usb2_mpc5121_pd = {
335	.big_endian_desc = 1,
336	.big_endian_mmio = 1,
337	.es = 1,
338	.have_sysif_regs = 0,
339	.le_setup_buf = 1,
340	.init = fsl_usb2_mpc5121_init,
341	.exit = fsl_usb2_mpc5121_exit,
342};
343#endif /* CONFIG_PPC_MPC512x */
344
345static struct fsl_usb2_platform_data fsl_usb2_mpc8xxx_pd = {
346	.have_sysif_regs = 1,
347};
348
349static const struct of_device_id fsl_usb2_mph_dr_of_match[] = {
350	{ .compatible = "fsl-usb2-mph", .data = &fsl_usb2_mpc8xxx_pd, },
351	{ .compatible = "fsl-usb2-dr", .data = &fsl_usb2_mpc8xxx_pd, },
352#ifdef CONFIG_PPC_MPC512x
353	{ .compatible = "fsl,mpc5121-usb2-dr", .data = &fsl_usb2_mpc5121_pd, },
354#endif
355	{},
356};
357MODULE_DEVICE_TABLE(of, fsl_usb2_mph_dr_of_match);
358
359static struct platform_driver fsl_usb2_mph_dr_driver = {
360	.driver = {
361		.name = "fsl-usb2-mph-dr",
 
362		.of_match_table = fsl_usb2_mph_dr_of_match,
363	},
364	.probe	= fsl_usb2_mph_dr_of_probe,
365	.remove_new = fsl_usb2_mph_dr_of_remove,
366};
367
368module_platform_driver(fsl_usb2_mph_dr_driver);
 
 
 
 
 
 
 
 
 
 
369
370MODULE_DESCRIPTION("FSL MPH DR OF devices driver");
371MODULE_AUTHOR("Anatolij Gustschin <agust@denx.de>");
372MODULE_LICENSE("GPL");