[kernel] backport SPI master with no RXTX support (from 2.6.36)
[openwrt.git] / target / linux / s3c24xx / patches-2.6.30 / 056-pcf50633.patch
1 --- a/drivers/mfd/pcf50633-core.c
2 +++ b/drivers/mfd/pcf50633-core.c
3 @@ -15,6 +15,7 @@
4 #include <linux/kernel.h>
5 #include <linux/device.h>
6 #include <linux/sysfs.h>
7 +#include <linux/device.h>
8 #include <linux/module.h>
9 #include <linux/types.h>
10 #include <linux/interrupt.h>
11 @@ -345,6 +346,8 @@ static void pcf50633_irq_worker(struct w
12 goto out;
13 }
14
15 + pcf50633_reg_write(pcf, PCF50633_REG_OOCSHDWN, 0x04 ); /* defeat 8s death from lowsys on A5 */
16 +
17 /* We immediately read the usb and adapter status. We thus make sure
18 * only of USBINS/USBREM IRQ handlers are called */
19 if (pcf_int[0] & (PCF50633_INT1_USBINS | PCF50633_INT1_USBREM)) {
20 @@ -482,13 +485,13 @@ pcf50633_client_dev_register(struct pcf5
21 }
22
23 #ifdef CONFIG_PM
24 -static int pcf50633_suspend(struct device *dev, pm_message_t state)
25 +static int pcf50633_suspend(struct i2c_client *client, pm_message_t state)
26 {
27 struct pcf50633 *pcf;
28 int ret = 0, i;
29 u8 res[5];
30
31 - pcf = dev_get_drvdata(dev);
32 + pcf = i2c_get_clientdata(client);
33
34 /* Make sure our interrupt handlers are not called
35 * henceforth */
36 @@ -523,12 +526,12 @@ out:
37 return ret;
38 }
39
40 -static int pcf50633_resume(struct device *dev)
41 +static int pcf50633_resume(struct i2c_client *client)
42 {
43 struct pcf50633 *pcf;
44 int ret;
45
46 - pcf = dev_get_drvdata(dev);
47 + pcf = i2c_get_clientdata(client);
48
49 /* Write the saved mask registers */
50 ret = pcf50633_write_block(pcf, PCF50633_REG_INT1M,
51 @@ -625,6 +628,7 @@ static int __devinit pcf50633_probe(stru
52 }
53
54 if (client->irq) {
55 + set_irq_handler(client->irq, handle_level_irq);
56 ret = request_irq(client->irq, pcf50633_irq,
57 IRQF_TRIGGER_LOW, "pcf50633", pcf);
58
59 @@ -683,12 +687,12 @@ static struct i2c_device_id pcf50633_id_
60 static struct i2c_driver pcf50633_driver = {
61 .driver = {
62 .name = "pcf50633",
63 - .suspend = pcf50633_suspend,
64 - .resume = pcf50633_resume,
65 },
66 .id_table = pcf50633_id_table,
67 .probe = pcf50633_probe,
68 .remove = __devexit_p(pcf50633_remove),
69 + .suspend = pcf50633_suspend,
70 + .resume = pcf50633_resume,
71 };
72
73 static int __init pcf50633_init(void)
74 --- a/drivers/power/pcf50633-charger.c
75 +++ b/drivers/power/pcf50633-charger.c
76 @@ -36,6 +36,7 @@ struct pcf50633_mbc {
77
78 struct power_supply usb;
79 struct power_supply adapter;
80 + struct power_supply ac;
81
82 struct delayed_work charging_restart_work;
83 };
84 @@ -47,16 +48,21 @@ int pcf50633_mbc_usb_curlim_set(struct p
85 u8 bits;
86 int charging_start = 1;
87 u8 mbcs2, chgmod;
88 + unsigned int mbcc5;
89
90 - if (ma >= 1000)
91 + if (ma >= 1000) {
92 bits = PCF50633_MBCC7_USB_1000mA;
93 - else if (ma >= 500)
94 + ma = 1000;
95 + } else if (ma >= 500) {
96 bits = PCF50633_MBCC7_USB_500mA;
97 - else if (ma >= 100)
98 + ma = 500;
99 + } else if (ma >= 100) {
100 bits = PCF50633_MBCC7_USB_100mA;
101 - else {
102 + ma = 100;
103 + } else {
104 bits = PCF50633_MBCC7_USB_SUSPEND;
105 charging_start = 0;
106 + ma = 0;
107 }
108
109 ret = pcf50633_reg_set_bit_mask(pcf, PCF50633_REG_MBCC7,
110 @@ -66,7 +72,22 @@ int pcf50633_mbc_usb_curlim_set(struct p
111 else
112 dev_info(pcf->dev, "usb curlim to %d mA\n", ma);
113
114 - /* Manual charging start */
115 + /*
116 + * We limit the charging current to be the USB current limit.
117 + * The reason is that on pcf50633, when it enters PMU Standby mode,
118 + * which it does when the device goes "off", the USB current limit
119 + * reverts to the variant default. In at least one common case, that
120 + * default is 500mA. By setting the charging current to be the same
121 + * as the USB limit we set here before PMU standby, we enforce it only
122 + * using the correct amount of current even when the USB current limit
123 + * gets reset to the wrong thing
124 + */
125 +
126 + mbcc5 = (ma << 8) / mbc->pcf->pdata->chg_ref_current_ma;
127 + if (mbcc5 > 255)
128 + mbcc5 = 255;
129 + pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5);
130 +
131 mbcs2 = pcf50633_reg_read(pcf, PCF50633_REG_MBCS2);
132 chgmod = (mbcs2 & PCF50633_MBCS2_MBC_MASK);
133
134 @@ -81,7 +102,7 @@ int pcf50633_mbc_usb_curlim_set(struct p
135 PCF50633_MBCC1_RESUME, PCF50633_MBCC1_RESUME);
136
137 mbc->usb_active = charging_start;
138 -
139 +
140 power_supply_changed(&mbc->usb);
141
142 return ret;
143 @@ -156,9 +177,44 @@ static ssize_t set_usblim(struct device
144
145 static DEVICE_ATTR(usb_curlim, S_IRUGO | S_IWUSR, show_usblim, set_usblim);
146
147 +static ssize_t
148 +show_chglim(struct device *dev, struct device_attribute *attr, char *buf)
149 +{
150 + struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
151 + u8 mbcc5 = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC5);
152 + unsigned int ma;
153 +
154 + ma = (mbc->pcf->pdata->chg_ref_current_ma * mbcc5) >> 8;
155 +
156 + return sprintf(buf, "%u\n", ma);
157 +}
158 +
159 +static ssize_t set_chglim(struct device *dev,
160 + struct device_attribute *attr, const char *buf, size_t count)
161 +{
162 + struct pcf50633_mbc *mbc = dev_get_drvdata(dev);
163 + unsigned long ma;
164 + unsigned int mbcc5;
165 + int ret;
166 +
167 + ret = strict_strtoul(buf, 10, &ma);
168 + if (ret)
169 + return -EINVAL;
170 +
171 + mbcc5 = (ma << 8) / mbc->pcf->pdata->chg_ref_current_ma;
172 + if (mbcc5 > 255)
173 + mbcc5 = 255;
174 + pcf50633_reg_write(mbc->pcf, PCF50633_REG_MBCC5, mbcc5);
175 +
176 + return count;
177 +}
178 +
179 +static DEVICE_ATTR(chg_curlim, S_IRUGO | S_IWUSR, show_chglim, set_chglim);
180 +
181 static struct attribute *pcf50633_mbc_sysfs_entries[] = {
182 &dev_attr_chgmode.attr,
183 &dev_attr_usb_curlim.attr,
184 + &dev_attr_chg_curlim.attr,
185 NULL,
186 };
187
188 @@ -239,6 +295,7 @@ pcf50633_mbc_irq_handler(int irq, void *
189
190 power_supply_changed(&mbc->usb);
191 power_supply_changed(&mbc->adapter);
192 + power_supply_changed(&mbc->ac);
193
194 if (mbc->pcf->pdata->mbc_event_callback)
195 mbc->pcf->pdata->mbc_event_callback(mbc->pcf, irq);
196 @@ -248,8 +305,7 @@ static int adapter_get_property(struct p
197 enum power_supply_property psp,
198 union power_supply_propval *val)
199 {
200 - struct pcf50633_mbc *mbc = container_of(psy,
201 - struct pcf50633_mbc, adapter);
202 + struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, adapter);
203 int ret = 0;
204
205 switch (psp) {
206 @@ -269,10 +325,34 @@ static int usb_get_property(struct power
207 {
208 struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, usb);
209 int ret = 0;
210 + u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
211 + PCF50633_MBCC7_USB_MASK;
212
213 switch (psp) {
214 case POWER_SUPPLY_PROP_ONLINE:
215 - val->intval = mbc->usb_online;
216 + val->intval = mbc->usb_online &&
217 + (usblim <= PCF50633_MBCC7_USB_500mA);
218 + break;
219 + default:
220 + ret = -EINVAL;
221 + break;
222 + }
223 + return ret;
224 +}
225 +
226 +static int ac_get_property(struct power_supply *psy,
227 + enum power_supply_property psp,
228 + union power_supply_propval *val)
229 +{
230 + struct pcf50633_mbc *mbc = container_of(psy, struct pcf50633_mbc, ac);
231 + int ret = 0;
232 + u8 usblim = pcf50633_reg_read(mbc->pcf, PCF50633_REG_MBCC7) &
233 + PCF50633_MBCC7_USB_MASK;
234 +
235 + switch (psp) {
236 + case POWER_SUPPLY_PROP_ONLINE:
237 + val->intval = mbc->usb_online &&
238 + (usblim == PCF50633_MBCC7_USB_1000mA);
239 break;
240 default:
241 ret = -EINVAL;
242 @@ -337,6 +417,17 @@ static int __devinit pcf50633_mbc_probe(
243 mbc->usb.supplied_to = mbc->pcf->pdata->batteries;
244 mbc->usb.num_supplicants = mbc->pcf->pdata->num_batteries;
245
246 + mbc->ac.name = "ac";
247 + mbc->ac.type = POWER_SUPPLY_TYPE_MAINS;
248 + mbc->ac.properties = power_props;
249 + mbc->ac.num_properties = ARRAY_SIZE(power_props);
250 + mbc->ac.get_property = ac_get_property;
251 + mbc->ac.supplied_to = mbc->pcf->pdata->batteries;
252 + mbc->ac.num_supplicants = mbc->pcf->pdata->num_batteries;
253 +
254 + INIT_DELAYED_WORK(&mbc->charging_restart_work,
255 + pcf50633_mbc_charging_restart);
256 +
257 ret = power_supply_register(&pdev->dev, &mbc->adapter);
258 if (ret) {
259 dev_err(mbc->pcf->dev, "failed to register adapter\n");
260 @@ -352,9 +443,15 @@ static int __devinit pcf50633_mbc_probe(
261 return ret;
262 }
263
264 - INIT_DELAYED_WORK(&mbc->charging_restart_work,
265 - pcf50633_mbc_charging_restart);
266 -
267 + ret = power_supply_register(&pdev->dev, &mbc->ac);
268 + if (ret) {
269 + dev_err(mbc->pcf->dev, "failed to register ac\n");
270 + power_supply_unregister(&mbc->adapter);
271 + power_supply_unregister(&mbc->usb);
272 + kfree(mbc);
273 + return ret;
274 + }
275 +
276 ret = sysfs_create_group(&pdev->dev.kobj, &mbc_attr_group);
277 if (ret)
278 dev_err(mbc->pcf->dev, "failed to create sysfs entries\n");
279 --- a/drivers/rtc/rtc-pcf50633.c
280 +++ b/drivers/rtc/rtc-pcf50633.c
281 @@ -58,6 +58,7 @@ struct pcf50633_time {
282 struct pcf50633_rtc {
283 int alarm_enabled;
284 int second_enabled;
285 + int alarm_pending;
286
287 struct pcf50633 *pcf;
288 struct rtc_device *rtc_dev;
289 @@ -70,7 +71,7 @@ static void pcf2rtc_time(struct rtc_time
290 rtc->tm_hour = bcd2bin(pcf->time[PCF50633_TI_HOUR]);
291 rtc->tm_wday = bcd2bin(pcf->time[PCF50633_TI_WKDAY]);
292 rtc->tm_mday = bcd2bin(pcf->time[PCF50633_TI_DAY]);
293 - rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]);
294 + rtc->tm_mon = bcd2bin(pcf->time[PCF50633_TI_MONTH]) - 1;
295 rtc->tm_year = bcd2bin(pcf->time[PCF50633_TI_YEAR]) + 100;
296 }
297
298 @@ -81,7 +82,7 @@ static void rtc2pcf_time(struct pcf50633
299 pcf->time[PCF50633_TI_HOUR] = bin2bcd(rtc->tm_hour);
300 pcf->time[PCF50633_TI_WKDAY] = bin2bcd(rtc->tm_wday);
301 pcf->time[PCF50633_TI_DAY] = bin2bcd(rtc->tm_mday);
302 - pcf->time[PCF50633_TI_MONTH] = bin2bcd(rtc->tm_mon);
303 + pcf->time[PCF50633_TI_MONTH] = bin2bcd(rtc->tm_mon + 1);
304 pcf->time[PCF50633_TI_YEAR] = bin2bcd(rtc->tm_year % 100);
305 }
306
307 @@ -209,6 +210,7 @@ static int pcf50633_rtc_read_alarm(struc
308 rtc = dev_get_drvdata(dev);
309
310 alrm->enabled = rtc->alarm_enabled;
311 + alrm->pending = rtc->alarm_pending;
312
313 ret = pcf50633_read_block(rtc->pcf, PCF50633_REG_RTCSCA,
314 PCF50633_TI_EXTENT, &pcf_tm.time[0]);
315 @@ -244,9 +246,12 @@ static int pcf50633_rtc_set_alarm(struct
316 /* Returns 0 on success */
317 ret = pcf50633_write_block(rtc->pcf, PCF50633_REG_RTCSCA,
318 PCF50633_TI_EXTENT, &pcf_tm.time[0]);
319 + if (!alrm->enabled)
320 + rtc->alarm_pending = 0;
321
322 - if (!alarm_masked)
323 + if (!alarm_masked || alrm->enabled)
324 pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_ALARM);
325 + rtc->alarm_enabled = alrm->enabled;
326
327 return ret;
328 }
329 @@ -267,6 +272,7 @@ static void pcf50633_rtc_irq(int irq, vo
330 switch (irq) {
331 case PCF50633_IRQ_ALARM:
332 rtc_update_irq(rtc->rtc_dev, 1, RTC_AF | RTC_IRQF);
333 + rtc->alarm_pending = 1;
334 break;
335 case PCF50633_IRQ_SECOND:
336 rtc_update_irq(rtc->rtc_dev, 1, RTC_UF | RTC_IRQF);
337 --- a/include/linux/mfd/pcf50633/core.h
338 +++ b/include/linux/mfd/pcf50633/core.h
339 @@ -31,6 +31,8 @@ struct pcf50633_platform_data {
340
341 int charging_restart_interval;
342
343 + int chg_ref_current_ma;
344 +
345 /* Callbacks */
346 void (*probe_done)(struct pcf50633 *);
347 void (*mbc_event_callback)(struct pcf50633 *, int);
348 @@ -208,7 +210,8 @@ enum pcf50633_reg_int5 {
349 };
350
351 /* misc. registers */
352 -#define PCF50633_REG_OOCSHDWN 0x0c
353 +#define PCF50633_REG_OOCSHDWN 0x0c
354 +#define PCF50633_OOCSHDWN_GOSTDBY 0x01
355
356 /* LED registers */
357 #define PCF50633_REG_LEDOUT 0x28
358 --- a/drivers/regulator/pcf50633-regulator.c
359 +++ b/drivers/regulator/pcf50633-regulator.c
360 @@ -24,11 +24,12 @@
361 #include <linux/mfd/pcf50633/core.h>
362 #include <linux/mfd/pcf50633/pmic.h>
363
364 -#define PCF50633_REGULATOR(_name, _id) \
365 +#define PCF50633_REGULATOR(_name, _id, _n) \
366 { \
367 .name = _name, \
368 .id = _id, \
369 .ops = &pcf50633_regulator_ops, \
370 + .n_voltages = _n, \
371 .type = REGULATOR_VOLTAGE, \
372 .owner = THIS_MODULE, \
373 }
374 @@ -193,6 +194,40 @@ static int pcf50633_regulator_get_voltag
375 return millivolts * 1000;
376 }
377
378 +static int pcf50633_regulator_list_voltage(struct regulator_dev *rdev,
379 + unsigned int index)
380 +{
381 + struct pcf50633 *pcf;
382 + int regulator_id, millivolts;
383 +
384 + pcf = rdev_get_drvdata(rdev);;
385 +
386 + regulator_id = rdev_get_id(rdev);
387 +
388 + switch (regulator_id) {
389 + case PCF50633_REGULATOR_AUTO:
390 + millivolts = auto_voltage_value(index + 0x2f);
391 + break;
392 + case PCF50633_REGULATOR_DOWN1:
393 + case PCF50633_REGULATOR_DOWN2:
394 + millivolts = down_voltage_value(index);
395 + break;
396 + case PCF50633_REGULATOR_LDO1:
397 + case PCF50633_REGULATOR_LDO2:
398 + case PCF50633_REGULATOR_LDO3:
399 + case PCF50633_REGULATOR_LDO4:
400 + case PCF50633_REGULATOR_LDO5:
401 + case PCF50633_REGULATOR_LDO6:
402 + case PCF50633_REGULATOR_HCLDO:
403 + millivolts = ldo_voltage_value(index);
404 + break;
405 + default:
406 + return -EINVAL;
407 + }
408 +
409 + return millivolts * 1000;
410 +}
411 +
412 static int pcf50633_regulator_enable(struct regulator_dev *rdev)
413 {
414 struct pcf50633 *pcf = rdev_get_drvdata(rdev);
415 @@ -246,6 +281,7 @@ static int pcf50633_regulator_is_enabled
416 static struct regulator_ops pcf50633_regulator_ops = {
417 .set_voltage = pcf50633_regulator_set_voltage,
418 .get_voltage = pcf50633_regulator_get_voltage,
419 + .list_voltage = pcf50633_regulator_list_voltage,
420 .enable = pcf50633_regulator_enable,
421 .disable = pcf50633_regulator_disable,
422 .is_enabled = pcf50633_regulator_is_enabled,
423 @@ -253,27 +289,27 @@ static struct regulator_ops pcf50633_reg
424
425 static struct regulator_desc regulators[] = {
426 [PCF50633_REGULATOR_AUTO] =
427 - PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO),
428 + PCF50633_REGULATOR("auto", PCF50633_REGULATOR_AUTO, 80),
429 [PCF50633_REGULATOR_DOWN1] =
430 - PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1),
431 + PCF50633_REGULATOR("down1", PCF50633_REGULATOR_DOWN1, 95),
432 [PCF50633_REGULATOR_DOWN2] =
433 - PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2),
434 + PCF50633_REGULATOR("down2", PCF50633_REGULATOR_DOWN2, 95),
435 [PCF50633_REGULATOR_LDO1] =
436 - PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1),
437 + PCF50633_REGULATOR("ldo1", PCF50633_REGULATOR_LDO1, 27),
438 [PCF50633_REGULATOR_LDO2] =
439 - PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2),
440 + PCF50633_REGULATOR("ldo2", PCF50633_REGULATOR_LDO2, 27),
441 [PCF50633_REGULATOR_LDO3] =
442 - PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3),
443 + PCF50633_REGULATOR("ldo3", PCF50633_REGULATOR_LDO3, 27),
444 [PCF50633_REGULATOR_LDO4] =
445 - PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4),
446 + PCF50633_REGULATOR("ldo4", PCF50633_REGULATOR_LDO4, 27),
447 [PCF50633_REGULATOR_LDO5] =
448 - PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5),
449 + PCF50633_REGULATOR("ldo5", PCF50633_REGULATOR_LDO5, 27),
450 [PCF50633_REGULATOR_LDO6] =
451 - PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6),
452 + PCF50633_REGULATOR("ldo6", PCF50633_REGULATOR_LDO6, 27),
453 [PCF50633_REGULATOR_HCLDO] =
454 - PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO),
455 + PCF50633_REGULATOR("hcldo", PCF50633_REGULATOR_HCLDO, 26),
456 [PCF50633_REGULATOR_MEMLDO] =
457 - PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO),
458 + PCF50633_REGULATOR("memldo", PCF50633_REGULATOR_MEMLDO, 27),
459 };
460
461 static int __devinit pcf50633_regulator_probe(struct platform_device *pdev)
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