blob: 909bb4bb837f76524ff24251042fb50de12c1f18 [file] [log] [blame]
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +10001/*
2 * R-Car THS/TSC thermal sensor driver
3 *
4 * Copyright (C) 2012 Renesas Solutions Corp.
5 * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; version 2 of the License.
10 *
11 * This program is distributed in the hope that it will be useful, but
12 * WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License along
17 * with this program; if not, write to the Free Software Foundation, Inc.,
18 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
19 */
20#include <linux/delay.h>
21#include <linux/err.h>
Kuninori Morimotoe0a51722013-01-31 09:04:48 +000022#include <linux/irq.h>
23#include <linux/interrupt.h>
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +100024#include <linux/io.h>
25#include <linux/module.h>
26#include <linux/platform_device.h>
kuninori.morimoto.gx@renesas.comd2a73e22012-12-02 18:48:41 -080027#include <linux/reboot.h>
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +100028#include <linux/slab.h>
29#include <linux/spinlock.h>
30#include <linux/thermal.h>
31
kuninori.morimoto.gx@renesas.comd2a73e22012-12-02 18:48:41 -080032#define IDLE_INTERVAL 5000
33
Kuninori Morimotoe0a51722013-01-31 09:04:48 +000034#define COMMON_STR 0x00
35#define COMMON_ENR 0x04
36#define COMMON_INTMSK 0x0c
37
38#define REG_POSNEG 0x20
39#define REG_FILONOFF 0x28
Kuninori Morimotoe9137a52013-01-31 09:03:46 +000040#define REG_THSCR 0x2c
41#define REG_THSSR 0x30
Kuninori Morimotoe0a51722013-01-31 09:04:48 +000042#define REG_INTCTRL 0x34
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +100043
44/* THSCR */
Kuninori Morimotof8f53e12013-01-31 09:03:11 +000045#define CPCTL (1 << 12)
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +100046
47/* THSSR */
48#define CTEMP 0x3f
49
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +000050struct rcar_thermal_common {
51 void __iomem *base;
52 struct device *dev;
53 struct list_head head;
Kuninori Morimotoe0a51722013-01-31 09:04:48 +000054 spinlock_t lock;
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +000055};
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +100056
57struct rcar_thermal_priv {
58 void __iomem *base;
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +000059 struct rcar_thermal_common *common;
60 struct thermal_zone_device *zone;
Kuninori Morimotoe0a51722013-01-31 09:04:48 +000061 struct delayed_work work;
Kuninori Morimotob2bbc6a2013-01-31 09:03:22 +000062 struct mutex lock;
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +000063 struct list_head list;
Kuninori Morimotoe0a51722013-01-31 09:04:48 +000064 int id;
65 int ctemp;
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +100066};
67
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +000068#define rcar_thermal_for_each_priv(pos, common) \
69 list_for_each_entry(pos, &common->head, list)
70
Kuninori Morimotoc4997032012-11-26 02:32:06 +000071#define MCELSIUS(temp) ((temp) * 1000)
Kuninori Morimoto9dde8f82013-01-31 09:02:51 +000072#define rcar_zone_to_priv(zone) ((zone)->devdata)
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +000073#define rcar_priv_to_dev(priv) ((priv)->common->dev)
74#define rcar_has_irq_support(priv) ((priv)->common->base)
Kuninori Morimotoe0a51722013-01-31 09:04:48 +000075#define rcar_id_to_shift(priv) ((priv)->id * 8)
76
77#ifdef DEBUG
78# define rcar_force_update_temp(priv) 1
79#else
80# define rcar_force_update_temp(priv) 0
81#endif
Kuninori Morimotoc4997032012-11-26 02:32:06 +000082
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +100083/*
84 * basic functions
85 */
Kuninori Morimotoe9137a52013-01-31 09:03:46 +000086#define rcar_thermal_common_read(c, r) \
87 _rcar_thermal_common_read(c, COMMON_ ##r)
88static u32 _rcar_thermal_common_read(struct rcar_thermal_common *common,
89 u32 reg)
90{
91 return ioread32(common->base + reg);
92}
93
94#define rcar_thermal_common_write(c, r, d) \
95 _rcar_thermal_common_write(c, COMMON_ ##r, d)
96static void _rcar_thermal_common_write(struct rcar_thermal_common *common,
97 u32 reg, u32 data)
98{
99 iowrite32(data, common->base + reg);
100}
101
102#define rcar_thermal_common_bset(c, r, m, d) \
103 _rcar_thermal_common_bset(c, COMMON_ ##r, m, d)
104static void _rcar_thermal_common_bset(struct rcar_thermal_common *common,
105 u32 reg, u32 mask, u32 data)
106{
107 u32 val;
108
109 val = ioread32(common->base + reg);
110 val &= ~mask;
111 val |= (data & mask);
112 iowrite32(val, common->base + reg);
113}
Kuninori Morimotoe9137a52013-01-31 09:03:46 +0000114
115#define rcar_thermal_read(p, r) _rcar_thermal_read(p, REG_ ##r)
116static u32 _rcar_thermal_read(struct rcar_thermal_priv *priv, u32 reg)
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000117{
Kuninori Morimotob2bbc6a2013-01-31 09:03:22 +0000118 return ioread32(priv->base + reg);
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000119}
120
Kuninori Morimotoe9137a52013-01-31 09:03:46 +0000121#define rcar_thermal_write(p, r, d) _rcar_thermal_write(p, REG_ ##r, d)
122static void _rcar_thermal_write(struct rcar_thermal_priv *priv,
123 u32 reg, u32 data)
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000124{
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000125 iowrite32(data, priv->base + reg);
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000126}
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000127
Kuninori Morimotoe9137a52013-01-31 09:03:46 +0000128#define rcar_thermal_bset(p, r, m, d) _rcar_thermal_bset(p, REG_ ##r, m, d)
129static void _rcar_thermal_bset(struct rcar_thermal_priv *priv, u32 reg,
130 u32 mask, u32 data)
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000131{
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000132 u32 val;
133
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000134 val = ioread32(priv->base + reg);
135 val &= ~mask;
136 val |= (data & mask);
137 iowrite32(val, priv->base + reg);
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000138}
139
140/*
141 * zone device functions
142 */
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000143static int rcar_thermal_update_temp(struct rcar_thermal_priv *priv)
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000144{
Kuninori Morimotof8f53e12013-01-31 09:03:11 +0000145 struct device *dev = rcar_priv_to_dev(priv);
146 int i;
147 int ctemp, old, new;
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000148
Kuninori Morimotob2bbc6a2013-01-31 09:03:22 +0000149 mutex_lock(&priv->lock);
150
Kuninori Morimotof8f53e12013-01-31 09:03:11 +0000151 /*
152 * TSC decides a value of CPTAP automatically,
153 * and this is the conditions which validate interrupt.
154 */
155 rcar_thermal_bset(priv, THSCR, CPCTL, CPCTL);
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000156
Kuninori Morimotof8f53e12013-01-31 09:03:11 +0000157 ctemp = 0;
158 old = ~0;
159 for (i = 0; i < 128; i++) {
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000160 /*
161 * we need to wait 300us after changing comparator offset
162 * to get stable temperature.
163 * see "Usage Notes" on datasheet
164 */
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000165 udelay(300);
166
Kuninori Morimotof8f53e12013-01-31 09:03:11 +0000167 new = rcar_thermal_read(priv, THSSR) & CTEMP;
168 if (new == old) {
169 ctemp = new;
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000170 break;
171 }
Kuninori Morimotof8f53e12013-01-31 09:03:11 +0000172 old = new;
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000173 }
174
Kuninori Morimotof8f53e12013-01-31 09:03:11 +0000175 if (!ctemp) {
176 dev_err(dev, "thermal sensor was broken\n");
177 return -EINVAL;
178 }
179
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000180 /*
181 * enable IRQ
182 */
183 if (rcar_has_irq_support(priv)) {
184 rcar_thermal_write(priv, FILONOFF, 0);
Kuninori Morimotof8f53e12013-01-31 09:03:11 +0000185
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000186 /* enable Rising/Falling edge interrupt */
187 rcar_thermal_write(priv, POSNEG, 0x1);
188 rcar_thermal_write(priv, INTCTRL, (((ctemp - 0) << 8) |
189 ((ctemp - 1) << 0)));
190 }
191
192 dev_dbg(dev, "thermal%d %d -> %d\n", priv->id, priv->ctemp, ctemp);
193
194 priv->ctemp = ctemp;
195
196 mutex_unlock(&priv->lock);
197
198 return 0;
199}
200
201static int rcar_thermal_get_temp(struct thermal_zone_device *zone,
202 unsigned long *temp)
203{
204 struct rcar_thermal_priv *priv = rcar_zone_to_priv(zone);
205
206 if (!rcar_has_irq_support(priv) || rcar_force_update_temp(priv))
207 rcar_thermal_update_temp(priv);
208
209 mutex_lock(&priv->lock);
210 *temp = MCELSIUS((priv->ctemp * 5) - 65);
Kuninori Morimotob2bbc6a2013-01-31 09:03:22 +0000211 mutex_unlock(&priv->lock);
212
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000213 return 0;
214}
215
kuninori.morimoto.gx@renesas.comd2a73e22012-12-02 18:48:41 -0800216static int rcar_thermal_get_trip_type(struct thermal_zone_device *zone,
217 int trip, enum thermal_trip_type *type)
218{
219 struct rcar_thermal_priv *priv = rcar_zone_to_priv(zone);
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000220 struct device *dev = rcar_priv_to_dev(priv);
kuninori.morimoto.gx@renesas.comd2a73e22012-12-02 18:48:41 -0800221
222 /* see rcar_thermal_get_temp() */
223 switch (trip) {
224 case 0: /* +90 <= temp */
225 *type = THERMAL_TRIP_CRITICAL;
226 break;
227 default:
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000228 dev_err(dev, "rcar driver trip error\n");
kuninori.morimoto.gx@renesas.comd2a73e22012-12-02 18:48:41 -0800229 return -EINVAL;
230 }
231
232 return 0;
233}
234
235static int rcar_thermal_get_trip_temp(struct thermal_zone_device *zone,
236 int trip, unsigned long *temp)
237{
238 struct rcar_thermal_priv *priv = rcar_zone_to_priv(zone);
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000239 struct device *dev = rcar_priv_to_dev(priv);
kuninori.morimoto.gx@renesas.comd2a73e22012-12-02 18:48:41 -0800240
241 /* see rcar_thermal_get_temp() */
242 switch (trip) {
243 case 0: /* +90 <= temp */
244 *temp = MCELSIUS(90);
245 break;
246 default:
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000247 dev_err(dev, "rcar driver trip error\n");
kuninori.morimoto.gx@renesas.comd2a73e22012-12-02 18:48:41 -0800248 return -EINVAL;
249 }
250
251 return 0;
252}
253
254static int rcar_thermal_notify(struct thermal_zone_device *zone,
255 int trip, enum thermal_trip_type type)
256{
257 struct rcar_thermal_priv *priv = rcar_zone_to_priv(zone);
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000258 struct device *dev = rcar_priv_to_dev(priv);
kuninori.morimoto.gx@renesas.comd2a73e22012-12-02 18:48:41 -0800259
260 switch (type) {
261 case THERMAL_TRIP_CRITICAL:
262 /* FIXME */
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000263 dev_warn(dev, "Thermal reached to critical temperature\n");
kuninori.morimoto.gx@renesas.comd2a73e22012-12-02 18:48:41 -0800264 break;
265 default:
266 break;
267 }
268
269 return 0;
270}
271
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000272static struct thermal_zone_device_ops rcar_thermal_zone_ops = {
kuninori.morimoto.gx@renesas.comd2a73e22012-12-02 18:48:41 -0800273 .get_temp = rcar_thermal_get_temp,
274 .get_trip_type = rcar_thermal_get_trip_type,
275 .get_trip_temp = rcar_thermal_get_trip_temp,
276 .notify = rcar_thermal_notify,
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000277};
278
279/*
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000280 * interrupt
281 */
282#define rcar_thermal_irq_enable(p) _rcar_thermal_irq_ctrl(p, 1)
283#define rcar_thermal_irq_disable(p) _rcar_thermal_irq_ctrl(p, 0)
284static void _rcar_thermal_irq_ctrl(struct rcar_thermal_priv *priv, int enable)
285{
286 struct rcar_thermal_common *common = priv->common;
287 unsigned long flags;
288 u32 mask = 0x3 << rcar_id_to_shift(priv); /* enable Rising/Falling */
289
290 spin_lock_irqsave(&common->lock, flags);
291
292 rcar_thermal_common_bset(common, INTMSK, mask, enable ? 0 : mask);
293
294 spin_unlock_irqrestore(&common->lock, flags);
295}
296
297static void rcar_thermal_work(struct work_struct *work)
298{
299 struct rcar_thermal_priv *priv;
300
301 priv = container_of(work, struct rcar_thermal_priv, work.work);
302
303 rcar_thermal_update_temp(priv);
304 rcar_thermal_irq_enable(priv);
305 thermal_zone_device_update(priv->zone);
306}
307
308static u32 rcar_thermal_had_changed(struct rcar_thermal_priv *priv, u32 status)
309{
310 struct device *dev = rcar_priv_to_dev(priv);
311
312 status = (status >> rcar_id_to_shift(priv)) & 0x3;
313
314 if (status & 0x3) {
315 dev_dbg(dev, "thermal%d %s%s\n",
316 priv->id,
317 (status & 0x2) ? "Rising " : "",
318 (status & 0x1) ? "Falling" : "");
319 }
320
321 return status;
322}
323
324static irqreturn_t rcar_thermal_irq(int irq, void *data)
325{
326 struct rcar_thermal_common *common = data;
327 struct rcar_thermal_priv *priv;
328 unsigned long flags;
329 u32 status, mask;
330
331 spin_lock_irqsave(&common->lock, flags);
332
333 mask = rcar_thermal_common_read(common, INTMSK);
334 status = rcar_thermal_common_read(common, STR);
335 rcar_thermal_common_write(common, STR, 0x000F0F0F & mask);
336
337 spin_unlock_irqrestore(&common->lock, flags);
338
339 status = status & ~mask;
340
341 /*
342 * check the status
343 */
344 rcar_thermal_for_each_priv(priv, common) {
345 if (rcar_thermal_had_changed(priv, status)) {
346 rcar_thermal_irq_disable(priv);
347 schedule_delayed_work(&priv->work,
348 msecs_to_jiffies(300));
349 }
350 }
351
352 return IRQ_HANDLED;
353}
354
355/*
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000356 * platform functions
357 */
358static int rcar_thermal_probe(struct platform_device *pdev)
359{
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000360 struct rcar_thermal_common *common;
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000361 struct rcar_thermal_priv *priv;
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000362 struct device *dev = &pdev->dev;
363 struct resource *res, *irq;
364 int mres = 0;
365 int i;
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000366 int idle = IDLE_INTERVAL;
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000367
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000368 common = devm_kzalloc(dev, sizeof(*common), GFP_KERNEL);
369 if (!common) {
370 dev_err(dev, "Could not allocate common\n");
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000371 return -ENOMEM;
372 }
373
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000374 INIT_LIST_HEAD(&common->head);
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000375 spin_lock_init(&common->lock);
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000376 common->dev = dev;
377
378 irq = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
379 if (irq) {
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000380 int ret;
381
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000382 /*
383 * platform has IRQ support.
384 * Then, drier use common register
385 */
386 res = platform_get_resource(pdev, IORESOURCE_MEM, mres++);
387 if (!res) {
388 dev_err(dev, "Could not get platform resource\n");
389 return -ENODEV;
390 }
391
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000392 ret = devm_request_irq(dev, irq->start, rcar_thermal_irq, 0,
393 dev_name(dev), common);
394 if (ret) {
395 dev_err(dev, "irq request failed\n ");
396 return ret;
397 }
398
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000399 /*
400 * rcar_has_irq_support() will be enabled
401 */
402 common->base = devm_request_and_ioremap(dev, res);
403 if (!common->base) {
404 dev_err(dev, "Unable to ioremap thermal register\n");
405 return -ENOMEM;
406 }
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000407
408 /* enable temperature comparation */
409 rcar_thermal_common_write(common, ENR, 0x00030303);
410
411 idle = 0; /* polling delaye is not needed */
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000412 }
413
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000414 for (i = 0;; i++) {
415 res = platform_get_resource(pdev, IORESOURCE_MEM, mres++);
416 if (!res)
417 break;
418
419 priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
420 if (!priv) {
421 dev_err(dev, "Could not allocate priv\n");
422 return -ENOMEM;
423 }
424
425 priv->base = devm_request_and_ioremap(dev, res);
426 if (!priv->base) {
427 dev_err(dev, "Unable to ioremap priv register\n");
428 return -ENOMEM;
429 }
430
431 priv->common = common;
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000432 priv->id = i;
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000433 mutex_init(&priv->lock);
434 INIT_LIST_HEAD(&priv->list);
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000435 INIT_DELAYED_WORK(&priv->work, rcar_thermal_work);
436 rcar_thermal_update_temp(priv);
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000437
438 priv->zone = thermal_zone_device_register("rcar_thermal",
439 1, 0, priv,
440 &rcar_thermal_zone_ops, NULL, 0,
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000441 idle);
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000442 if (IS_ERR(priv->zone)) {
443 dev_err(dev, "can't register thermal zone\n");
444 goto error_unregister;
445 }
446
447 list_move_tail(&priv->list, &common->head);
Kuninori Morimotoe0a51722013-01-31 09:04:48 +0000448
449 if (rcar_has_irq_support(priv))
450 rcar_thermal_irq_enable(priv);
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000451 }
452
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000453 platform_set_drvdata(pdev, common);
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000454
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000455 dev_info(dev, "%d sensor proved\n", i);
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000456
457 return 0;
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000458
459error_unregister:
460 rcar_thermal_for_each_priv(priv, common)
461 thermal_zone_device_unregister(priv->zone);
462
463 return -ENODEV;
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000464}
465
466static int rcar_thermal_remove(struct platform_device *pdev)
467{
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000468 struct rcar_thermal_common *common = platform_get_drvdata(pdev);
469 struct rcar_thermal_priv *priv;
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000470
Kuninori Morimoto3676d1d2013-01-31 09:03:33 +0000471 rcar_thermal_for_each_priv(priv, common)
472 thermal_zone_device_unregister(priv->zone);
473
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000474 platform_set_drvdata(pdev, NULL);
475
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000476 return 0;
477}
478
Kuninori Morimoto76cc1882013-01-31 09:05:26 +0000479static const struct of_device_id rcar_thermal_dt_ids[] __devinitconst = {
480 { .compatible = "renesas,rcar-thermal", },
481 {},
482};
483MODULE_DEVICE_TABLE(of, rcar_thermal_dt_ids);
484
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000485static struct platform_driver rcar_thermal_driver = {
486 .driver = {
487 .name = "rcar_thermal",
Kuninori Morimoto76cc1882013-01-31 09:05:26 +0000488 .of_match_table = rcar_thermal_dt_ids,
Kuninori Morimoto1e426ff2012-07-21 10:53:48 +1000489 },
490 .probe = rcar_thermal_probe,
491 .remove = rcar_thermal_remove,
492};
493module_platform_driver(rcar_thermal_driver);
494
495MODULE_LICENSE("GPL");
496MODULE_DESCRIPTION("R-Car THS/TSC thermal sensor driver");
497MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");