Commit | Line | Data |
---|---|---|
c942fddf | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
b1f254e3 GG |
2 | /* |
3 | * Palmas USB transceiver driver | |
4 | * | |
f6dfb3c9 | 5 | * Copyright (C) 2013 Texas Instruments Incorporated - https://www.ti.com |
b1f254e3 GG |
6 | * Author: Graeme Gregory <gg@slimlogic.co.uk> |
7 | * Author: Kishon Vijay Abraham I <kishon@ti.com> | |
b1f254e3 | 8 | * Based on twl6030_usb.c |
b1f254e3 | 9 | * Author: Hema HK <hemahk@ti.com> |
b1f254e3 GG |
10 | */ |
11 | ||
f94a5bec | 12 | #include <linux/devm-helpers.h> |
b1f254e3 GG |
13 | #include <linux/module.h> |
14 | #include <linux/interrupt.h> | |
15 | #include <linux/platform_device.h> | |
f63d32d4 | 16 | #include <linux/slab.h> |
b1f254e3 GG |
17 | #include <linux/err.h> |
18 | #include <linux/mfd/palmas.h> | |
19 | #include <linux/of.h> | |
20 | #include <linux/of_platform.h> | |
ac22a1d3 | 21 | #include <linux/gpio/consumer.h> |
92b7cb5d RQ |
22 | #include <linux/workqueue.h> |
23 | ||
24 | #define USB_GPIO_DEBOUNCE_MS 20 /* ms */ | |
b1f254e3 | 25 | |
73b6ecdb | 26 | static const unsigned int palmas_extcon_cable[] = { |
2a9de9c0 CC |
27 | EXTCON_USB, |
28 | EXTCON_USB_HOST, | |
29 | EXTCON_NONE, | |
b1f254e3 GG |
30 | }; |
31 | ||
b1f254e3 GG |
32 | static void palmas_usb_wakeup(struct palmas *palmas, int enable) |
33 | { | |
34 | if (enable) | |
35 | palmas_write(palmas, PALMAS_USB_OTG_BASE, PALMAS_USB_WAKEUP, | |
36 | PALMAS_USB_WAKEUP_ID_WK_UP_COMP); | |
37 | else | |
38 | palmas_write(palmas, PALMAS_USB_OTG_BASE, PALMAS_USB_WAKEUP, 0); | |
39 | } | |
40 | ||
41 | static irqreturn_t palmas_vbus_irq_handler(int irq, void *_palmas_usb) | |
42 | { | |
43 | struct palmas_usb *palmas_usb = _palmas_usb; | |
2a9de9c0 | 44 | struct extcon_dev *edev = palmas_usb->edev; |
b1f254e3 GG |
45 | unsigned int vbus_line_state; |
46 | ||
47 | palmas_read(palmas_usb->palmas, PALMAS_INTERRUPT_BASE, | |
48 | PALMAS_INT3_LINE_STATE, &vbus_line_state); | |
49 | ||
50 | if (vbus_line_state & PALMAS_INT3_LINE_STATE_VBUS) { | |
51 | if (palmas_usb->linkstat != PALMAS_USB_STATE_VBUS) { | |
52 | palmas_usb->linkstat = PALMAS_USB_STATE_VBUS; | |
8670b459 | 53 | extcon_set_state_sync(edev, EXTCON_USB, true); |
567ab5a8 | 54 | dev_dbg(palmas_usb->dev, "USB cable is attached\n"); |
b1f254e3 GG |
55 | } else { |
56 | dev_dbg(palmas_usb->dev, | |
57 | "Spurious connect event detected\n"); | |
58 | } | |
59 | } else if (!(vbus_line_state & PALMAS_INT3_LINE_STATE_VBUS)) { | |
60 | if (palmas_usb->linkstat == PALMAS_USB_STATE_VBUS) { | |
61 | palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT; | |
8670b459 | 62 | extcon_set_state_sync(edev, EXTCON_USB, false); |
567ab5a8 | 63 | dev_dbg(palmas_usb->dev, "USB cable is detached\n"); |
b1f254e3 GG |
64 | } else { |
65 | dev_dbg(palmas_usb->dev, | |
66 | "Spurious disconnect event detected\n"); | |
67 | } | |
68 | } | |
69 | ||
70 | return IRQ_HANDLED; | |
71 | } | |
72 | ||
73 | static irqreturn_t palmas_id_irq_handler(int irq, void *_palmas_usb) | |
74 | { | |
b7d2d5be | 75 | unsigned int set, id_src; |
b1f254e3 | 76 | struct palmas_usb *palmas_usb = _palmas_usb; |
2a9de9c0 | 77 | struct extcon_dev *edev = palmas_usb->edev; |
b1f254e3 GG |
78 | |
79 | palmas_read(palmas_usb->palmas, PALMAS_USB_OTG_BASE, | |
80 | PALMAS_USB_ID_INT_LATCH_SET, &set); | |
b7d2d5be GC |
81 | palmas_read(palmas_usb->palmas, PALMAS_USB_OTG_BASE, |
82 | PALMAS_USB_ID_INT_SRC, &id_src); | |
b1f254e3 | 83 | |
b7d2d5be GC |
84 | if ((set & PALMAS_USB_ID_INT_SRC_ID_GND) && |
85 | (id_src & PALMAS_USB_ID_INT_SRC_ID_GND)) { | |
b1f254e3 GG |
86 | palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE, |
87 | PALMAS_USB_ID_INT_LATCH_CLR, | |
88 | PALMAS_USB_ID_INT_EN_HI_CLR_ID_GND); | |
89 | palmas_usb->linkstat = PALMAS_USB_STATE_ID; | |
8670b459 | 90 | extcon_set_state_sync(edev, EXTCON_USB_HOST, true); |
567ab5a8 | 91 | dev_dbg(palmas_usb->dev, "USB-HOST cable is attached\n"); |
b7d2d5be GC |
92 | } else if ((set & PALMAS_USB_ID_INT_SRC_ID_FLOAT) && |
93 | (id_src & PALMAS_USB_ID_INT_SRC_ID_FLOAT)) { | |
b1f254e3 GG |
94 | palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE, |
95 | PALMAS_USB_ID_INT_LATCH_CLR, | |
96 | PALMAS_USB_ID_INT_EN_HI_CLR_ID_FLOAT); | |
97 | palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT; | |
8670b459 | 98 | extcon_set_state_sync(edev, EXTCON_USB_HOST, false); |
567ab5a8 | 99 | dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n"); |
002945f0 LD |
100 | } else if ((palmas_usb->linkstat == PALMAS_USB_STATE_ID) && |
101 | (!(set & PALMAS_USB_ID_INT_SRC_ID_GND))) { | |
102 | palmas_usb->linkstat = PALMAS_USB_STATE_DISCONNECT; | |
8670b459 | 103 | extcon_set_state_sync(edev, EXTCON_USB_HOST, false); |
567ab5a8 | 104 | dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n"); |
b7d2d5be GC |
105 | } else if ((palmas_usb->linkstat == PALMAS_USB_STATE_DISCONNECT) && |
106 | (id_src & PALMAS_USB_ID_INT_SRC_ID_GND)) { | |
107 | palmas_usb->linkstat = PALMAS_USB_STATE_ID; | |
8670b459 | 108 | extcon_set_state_sync(edev, EXTCON_USB_HOST, true); |
2fb67280 | 109 | dev_dbg(palmas_usb->dev, "USB-HOST cable is attached\n"); |
b1f254e3 GG |
110 | } |
111 | ||
112 | return IRQ_HANDLED; | |
113 | } | |
114 | ||
92b7cb5d RQ |
115 | static void palmas_gpio_id_detect(struct work_struct *work) |
116 | { | |
117 | int id; | |
118 | struct palmas_usb *palmas_usb = container_of(to_delayed_work(work), | |
119 | struct palmas_usb, | |
120 | wq_detectid); | |
121 | struct extcon_dev *edev = palmas_usb->edev; | |
122 | ||
123 | if (!palmas_usb->id_gpiod) | |
124 | return; | |
125 | ||
126 | id = gpiod_get_value_cansleep(palmas_usb->id_gpiod); | |
127 | ||
128 | if (id) { | |
8670b459 | 129 | extcon_set_state_sync(edev, EXTCON_USB_HOST, false); |
567ab5a8 | 130 | dev_dbg(palmas_usb->dev, "USB-HOST cable is detached\n"); |
92b7cb5d | 131 | } else { |
8670b459 | 132 | extcon_set_state_sync(edev, EXTCON_USB_HOST, true); |
567ab5a8 | 133 | dev_dbg(palmas_usb->dev, "USB-HOST cable is attached\n"); |
92b7cb5d RQ |
134 | } |
135 | } | |
136 | ||
137 | static irqreturn_t palmas_gpio_id_irq_handler(int irq, void *_palmas_usb) | |
138 | { | |
139 | struct palmas_usb *palmas_usb = _palmas_usb; | |
140 | ||
141 | queue_delayed_work(system_power_efficient_wq, &palmas_usb->wq_detectid, | |
142 | palmas_usb->sw_debounce_jiffies); | |
143 | ||
144 | return IRQ_HANDLED; | |
145 | } | |
146 | ||
b1f254e3 GG |
147 | static void palmas_enable_irq(struct palmas_usb *palmas_usb) |
148 | { | |
149 | palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE, | |
150 | PALMAS_USB_VBUS_CTRL_SET, | |
151 | PALMAS_USB_VBUS_CTRL_SET_VBUS_ACT_COMP); | |
152 | ||
92b7cb5d RQ |
153 | if (palmas_usb->enable_id_detection) { |
154 | palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE, | |
155 | PALMAS_USB_ID_CTRL_SET, | |
156 | PALMAS_USB_ID_CTRL_SET_ID_ACT_COMP); | |
b1f254e3 | 157 | |
92b7cb5d RQ |
158 | palmas_write(palmas_usb->palmas, PALMAS_USB_OTG_BASE, |
159 | PALMAS_USB_ID_INT_EN_HI_SET, | |
160 | PALMAS_USB_ID_INT_EN_HI_SET_ID_GND | | |
161 | PALMAS_USB_ID_INT_EN_HI_SET_ID_FLOAT); | |
162 | } | |
b1f254e3 | 163 | |
7281e05a LD |
164 | if (palmas_usb->enable_vbus_detection) |
165 | palmas_vbus_irq_handler(palmas_usb->vbus_irq, palmas_usb); | |
b1f254e3 GG |
166 | |
167 | /* cold plug for host mode needs this delay */ | |
7281e05a LD |
168 | if (palmas_usb->enable_id_detection) { |
169 | msleep(30); | |
170 | palmas_id_irq_handler(palmas_usb->id_irq, palmas_usb); | |
171 | } | |
b1f254e3 GG |
172 | } |
173 | ||
174 | static int palmas_usb_probe(struct platform_device *pdev) | |
175 | { | |
176 | struct palmas *palmas = dev_get_drvdata(pdev->dev.parent); | |
7c0f6558 | 177 | struct palmas_usb_platform_data *pdata = dev_get_platdata(&pdev->dev); |
b1f254e3 GG |
178 | struct device_node *node = pdev->dev.of_node; |
179 | struct palmas_usb *palmas_usb; | |
180 | int status; | |
181 | ||
9fe172b9 RQ |
182 | if (!palmas) { |
183 | dev_err(&pdev->dev, "failed to get valid parent\n"); | |
184 | return -EINVAL; | |
185 | } | |
186 | ||
b1f254e3 GG |
187 | palmas_usb = devm_kzalloc(&pdev->dev, sizeof(*palmas_usb), GFP_KERNEL); |
188 | if (!palmas_usb) | |
189 | return -ENOMEM; | |
190 | ||
7281e05a LD |
191 | if (node && !pdata) { |
192 | palmas_usb->wakeup = of_property_read_bool(node, "ti,wakeup"); | |
193 | palmas_usb->enable_id_detection = of_property_read_bool(node, | |
194 | "ti,enable-id-detection"); | |
195 | palmas_usb->enable_vbus_detection = of_property_read_bool(node, | |
196 | "ti,enable-vbus-detection"); | |
197 | } else { | |
198 | palmas_usb->wakeup = true; | |
199 | palmas_usb->enable_id_detection = true; | |
200 | palmas_usb->enable_vbus_detection = true; | |
201 | ||
202 | if (pdata) | |
203 | palmas_usb->wakeup = pdata->wakeup; | |
204 | } | |
205 | ||
ac22a1d3 CC |
206 | palmas_usb->id_gpiod = devm_gpiod_get_optional(&pdev->dev, "id", |
207 | GPIOD_IN); | |
d0f66810 KK |
208 | if (IS_ERR(palmas_usb->id_gpiod)) |
209 | return dev_err_probe(&pdev->dev, PTR_ERR(palmas_usb->id_gpiod), | |
210 | "failed to get id gpio\n"); | |
92b7cb5d | 211 | |
b7aad8e2 FB |
212 | palmas_usb->vbus_gpiod = devm_gpiod_get_optional(&pdev->dev, "vbus", |
213 | GPIOD_IN); | |
d0f66810 KK |
214 | if (IS_ERR(palmas_usb->vbus_gpiod)) |
215 | return dev_err_probe(&pdev->dev, PTR_ERR(palmas_usb->vbus_gpiod), | |
216 | "failed to get id gpio\n"); | |
b7aad8e2 | 217 | |
92b7cb5d RQ |
218 | if (palmas_usb->enable_id_detection && palmas_usb->id_gpiod) { |
219 | palmas_usb->enable_id_detection = false; | |
220 | palmas_usb->enable_gpio_id_detection = true; | |
221 | } | |
222 | ||
b7aad8e2 FB |
223 | if (palmas_usb->enable_vbus_detection && palmas_usb->vbus_gpiod) { |
224 | palmas_usb->enable_vbus_detection = false; | |
225 | palmas_usb->enable_gpio_vbus_detection = true; | |
226 | } | |
227 | ||
92b7cb5d RQ |
228 | if (palmas_usb->enable_gpio_id_detection) { |
229 | u32 debounce; | |
230 | ||
231 | if (of_property_read_u32(node, "debounce-delay-ms", &debounce)) | |
232 | debounce = USB_GPIO_DEBOUNCE_MS; | |
233 | ||
234 | status = gpiod_set_debounce(palmas_usb->id_gpiod, | |
235 | debounce * 1000); | |
236 | if (status < 0) | |
237 | palmas_usb->sw_debounce_jiffies = msecs_to_jiffies(debounce); | |
238 | } | |
239 | ||
f94a5bec MV |
240 | status = devm_delayed_work_autocancel(&pdev->dev, |
241 | &palmas_usb->wq_detectid, | |
242 | palmas_gpio_id_detect); | |
243 | if (status) | |
244 | return status; | |
92b7cb5d | 245 | |
b1f254e3 GG |
246 | palmas->usb = palmas_usb; |
247 | palmas_usb->palmas = palmas; | |
248 | ||
249 | palmas_usb->dev = &pdev->dev; | |
250 | ||
7281e05a | 251 | palmas_usb_wakeup(palmas, palmas_usb->wakeup); |
b1f254e3 GG |
252 | |
253 | platform_set_drvdata(pdev, palmas_usb); | |
254 | ||
3f79a3fb CC |
255 | palmas_usb->edev = devm_extcon_dev_allocate(&pdev->dev, |
256 | palmas_extcon_cable); | |
257 | if (IS_ERR(palmas_usb->edev)) { | |
258 | dev_err(&pdev->dev, "failed to allocate extcon device\n"); | |
259 | return -ENOMEM; | |
260 | } | |
b1f254e3 | 261 | |
3f79a3fb | 262 | status = devm_extcon_dev_register(&pdev->dev, palmas_usb->edev); |
b1f254e3 GG |
263 | if (status) { |
264 | dev_err(&pdev->dev, "failed to register extcon device\n"); | |
265 | return status; | |
266 | } | |
267 | ||
7281e05a | 268 | if (palmas_usb->enable_id_detection) { |
92b7cb5d RQ |
269 | palmas_usb->id_otg_irq = regmap_irq_get_virq(palmas->irq_data, |
270 | PALMAS_ID_OTG_IRQ); | |
271 | palmas_usb->id_irq = regmap_irq_get_virq(palmas->irq_data, | |
272 | PALMAS_ID_IRQ); | |
7281e05a LD |
273 | status = devm_request_threaded_irq(palmas_usb->dev, |
274 | palmas_usb->id_irq, | |
275 | NULL, palmas_id_irq_handler, | |
276 | IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | | |
ae64e42c | 277 | IRQF_ONESHOT, |
7281e05a LD |
278 | "palmas_usb_id", palmas_usb); |
279 | if (status < 0) { | |
280 | dev_err(&pdev->dev, "can't get IRQ %d, err %d\n", | |
b1f254e3 | 281 | palmas_usb->id_irq, status); |
b4dad55a | 282 | return status; |
7281e05a | 283 | } |
92b7cb5d RQ |
284 | } else if (palmas_usb->enable_gpio_id_detection) { |
285 | palmas_usb->gpio_id_irq = gpiod_to_irq(palmas_usb->id_gpiod); | |
286 | if (palmas_usb->gpio_id_irq < 0) { | |
287 | dev_err(&pdev->dev, "failed to get id irq\n"); | |
288 | return palmas_usb->gpio_id_irq; | |
289 | } | |
290 | status = devm_request_threaded_irq(&pdev->dev, | |
291 | palmas_usb->gpio_id_irq, | |
292 | NULL, | |
293 | palmas_gpio_id_irq_handler, | |
294 | IRQF_TRIGGER_RISING | | |
295 | IRQF_TRIGGER_FALLING | | |
296 | IRQF_ONESHOT, | |
297 | "palmas_usb_id", | |
298 | palmas_usb); | |
299 | if (status < 0) { | |
300 | dev_err(&pdev->dev, | |
301 | "failed to request handler for id irq\n"); | |
302 | return status; | |
303 | } | |
b1f254e3 GG |
304 | } |
305 | ||
7281e05a | 306 | if (palmas_usb->enable_vbus_detection) { |
92b7cb5d RQ |
307 | palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data, |
308 | PALMAS_VBUS_OTG_IRQ); | |
309 | palmas_usb->vbus_irq = regmap_irq_get_virq(palmas->irq_data, | |
310 | PALMAS_VBUS_IRQ); | |
7281e05a LD |
311 | status = devm_request_threaded_irq(palmas_usb->dev, |
312 | palmas_usb->vbus_irq, NULL, | |
313 | palmas_vbus_irq_handler, | |
314 | IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING | | |
ae64e42c | 315 | IRQF_ONESHOT, |
7281e05a LD |
316 | "palmas_usb_vbus", palmas_usb); |
317 | if (status < 0) { | |
318 | dev_err(&pdev->dev, "can't get IRQ %d, err %d\n", | |
b1f254e3 | 319 | palmas_usb->vbus_irq, status); |
b4dad55a | 320 | return status; |
7281e05a | 321 | } |
b7aad8e2 FB |
322 | } else if (palmas_usb->enable_gpio_vbus_detection) { |
323 | /* remux GPIO_1 as VBUSDET */ | |
324 | status = palmas_update_bits(palmas, | |
325 | PALMAS_PU_PD_OD_BASE, | |
326 | PALMAS_PRIMARY_SECONDARY_PAD1, | |
327 | PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_MASK, | |
328 | (1 << PALMAS_PRIMARY_SECONDARY_PAD1_GPIO_1_SHIFT)); | |
329 | if (status < 0) { | |
330 | dev_err(&pdev->dev, "can't remux GPIO1\n"); | |
331 | return status; | |
332 | } | |
333 | ||
334 | palmas_usb->vbus_otg_irq = regmap_irq_get_virq(palmas->irq_data, | |
335 | PALMAS_VBUS_OTG_IRQ); | |
336 | palmas_usb->gpio_vbus_irq = gpiod_to_irq(palmas_usb->vbus_gpiod); | |
337 | if (palmas_usb->gpio_vbus_irq < 0) { | |
338 | dev_err(&pdev->dev, "failed to get vbus irq\n"); | |
339 | return palmas_usb->gpio_vbus_irq; | |
340 | } | |
341 | status = devm_request_threaded_irq(&pdev->dev, | |
342 | palmas_usb->gpio_vbus_irq, | |
343 | NULL, | |
344 | palmas_vbus_irq_handler, | |
345 | IRQF_TRIGGER_FALLING | | |
346 | IRQF_TRIGGER_RISING | | |
f75587b8 | 347 | IRQF_ONESHOT, |
b7aad8e2 FB |
348 | "palmas_usb_vbus", |
349 | palmas_usb); | |
350 | if (status < 0) { | |
351 | dev_err(&pdev->dev, | |
352 | "failed to request handler for vbus irq\n"); | |
353 | return status; | |
354 | } | |
b1f254e3 GG |
355 | } |
356 | ||
357 | palmas_enable_irq(palmas_usb); | |
92b7cb5d | 358 | /* perform initial detection */ |
62e6d1e5 RQ |
359 | if (palmas_usb->enable_gpio_vbus_detection) |
360 | palmas_vbus_irq_handler(palmas_usb->gpio_vbus_irq, palmas_usb); | |
92b7cb5d | 361 | palmas_gpio_id_detect(&palmas_usb->wq_detectid.work); |
024783ef | 362 | device_set_wakeup_capable(&pdev->dev, true); |
b1f254e3 | 363 | return 0; |
b1f254e3 GG |
364 | } |
365 | ||
024783ef LD |
366 | #ifdef CONFIG_PM_SLEEP |
367 | static int palmas_usb_suspend(struct device *dev) | |
368 | { | |
369 | struct palmas_usb *palmas_usb = dev_get_drvdata(dev); | |
370 | ||
371 | if (device_may_wakeup(dev)) { | |
7281e05a LD |
372 | if (palmas_usb->enable_vbus_detection) |
373 | enable_irq_wake(palmas_usb->vbus_irq); | |
b7aad8e2 FB |
374 | if (palmas_usb->enable_gpio_vbus_detection) |
375 | enable_irq_wake(palmas_usb->gpio_vbus_irq); | |
7281e05a LD |
376 | if (palmas_usb->enable_id_detection) |
377 | enable_irq_wake(palmas_usb->id_irq); | |
92b7cb5d RQ |
378 | if (palmas_usb->enable_gpio_id_detection) |
379 | enable_irq_wake(palmas_usb->gpio_id_irq); | |
024783ef LD |
380 | } |
381 | return 0; | |
382 | } | |
383 | ||
384 | static int palmas_usb_resume(struct device *dev) | |
385 | { | |
386 | struct palmas_usb *palmas_usb = dev_get_drvdata(dev); | |
387 | ||
388 | if (device_may_wakeup(dev)) { | |
7281e05a LD |
389 | if (palmas_usb->enable_vbus_detection) |
390 | disable_irq_wake(palmas_usb->vbus_irq); | |
b7aad8e2 FB |
391 | if (palmas_usb->enable_gpio_vbus_detection) |
392 | disable_irq_wake(palmas_usb->gpio_vbus_irq); | |
7281e05a LD |
393 | if (palmas_usb->enable_id_detection) |
394 | disable_irq_wake(palmas_usb->id_irq); | |
92b7cb5d RQ |
395 | if (palmas_usb->enable_gpio_id_detection) |
396 | disable_irq_wake(palmas_usb->gpio_id_irq); | |
024783ef | 397 | } |
01944321 RQ |
398 | |
399 | /* check if GPIO states changed while suspend/resume */ | |
400 | if (palmas_usb->enable_gpio_vbus_detection) | |
401 | palmas_vbus_irq_handler(palmas_usb->gpio_vbus_irq, palmas_usb); | |
402 | palmas_gpio_id_detect(&palmas_usb->wq_detectid.work); | |
403 | ||
024783ef LD |
404 | return 0; |
405 | }; | |
406 | #endif | |
407 | ||
8d4288fb | 408 | static SIMPLE_DEV_PM_OPS(palmas_pm_ops, palmas_usb_suspend, palmas_usb_resume); |
024783ef | 409 | |
3bc2ac7d | 410 | static const struct of_device_id of_palmas_match_tbl[] = { |
b1f254e3 | 411 | { .compatible = "ti,palmas-usb", }, |
5fbc77d6 | 412 | { .compatible = "ti,palmas-usb-vid", }, |
b1f254e3 | 413 | { .compatible = "ti,twl6035-usb", }, |
5fbc77d6 | 414 | { .compatible = "ti,twl6035-usb-vid", }, |
b1f254e3 GG |
415 | { /* end */ } |
416 | }; | |
417 | ||
418 | static struct platform_driver palmas_usb_driver = { | |
419 | .probe = palmas_usb_probe, | |
b1f254e3 GG |
420 | .driver = { |
421 | .name = "palmas-usb", | |
422 | .of_match_table = of_palmas_match_tbl, | |
024783ef | 423 | .pm = &palmas_pm_ops, |
b1f254e3 GG |
424 | }, |
425 | }; | |
426 | ||
427 | module_platform_driver(palmas_usb_driver); | |
428 | ||
429 | MODULE_ALIAS("platform:palmas-usb"); | |
430 | MODULE_AUTHOR("Graeme Gregory <gg@slimlogic.co.uk>"); | |
431 | MODULE_DESCRIPTION("Palmas USB transceiver driver"); | |
432 | MODULE_LICENSE("GPL"); | |
433 | MODULE_DEVICE_TABLE(of, of_palmas_match_tbl); |