Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Real-time clock driver for MPC5121 |
| 3 | * |
| 4 | * Copyright 2007, Domen Puncer <domen.puncer@telargo.com> |
| 5 | * Copyright 2008, Freescale Semiconductor, Inc. All rights reserved. |
Dmitry Eremin-Solenikov | 955dbea | 2011-07-25 17:13:30 -0700 | [diff] [blame] | 6 | * Copyright 2011, Dmitry Eremin-Solenikov |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify |
| 9 | * it under the terms of the GNU General Public License version 2 as |
| 10 | * published by the Free Software Foundation. |
| 11 | */ |
| 12 | |
| 13 | #include <linux/init.h> |
| 14 | #include <linux/module.h> |
| 15 | #include <linux/rtc.h> |
Sachin Kamat | c8a6046 | 2013-02-21 16:44:28 -0800 | [diff] [blame] | 16 | #include <linux/of.h> |
Rob Herring | 5af5073 | 2013-09-17 14:28:33 -0500 | [diff] [blame] | 17 | #include <linux/of_address.h> |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 18 | #include <linux/of_device.h> |
Rob Herring | 5af5073 | 2013-09-17 14:28:33 -0500 | [diff] [blame] | 19 | #include <linux/of_irq.h> |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 20 | #include <linux/of_platform.h> |
| 21 | #include <linux/io.h> |
Tejun Heo | 5a0e3ad | 2010-03-24 17:04:11 +0900 | [diff] [blame] | 22 | #include <linux/slab.h> |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 23 | |
| 24 | struct mpc5121_rtc_regs { |
| 25 | u8 set_time; /* RTC + 0x00 */ |
| 26 | u8 hour_set; /* RTC + 0x01 */ |
| 27 | u8 minute_set; /* RTC + 0x02 */ |
| 28 | u8 second_set; /* RTC + 0x03 */ |
| 29 | |
| 30 | u8 set_date; /* RTC + 0x04 */ |
| 31 | u8 month_set; /* RTC + 0x05 */ |
| 32 | u8 weekday_set; /* RTC + 0x06 */ |
| 33 | u8 date_set; /* RTC + 0x07 */ |
| 34 | |
| 35 | u8 write_sw; /* RTC + 0x08 */ |
| 36 | u8 sw_set; /* RTC + 0x09 */ |
| 37 | u16 year_set; /* RTC + 0x0a */ |
| 38 | |
| 39 | u8 alm_enable; /* RTC + 0x0c */ |
| 40 | u8 alm_hour_set; /* RTC + 0x0d */ |
| 41 | u8 alm_min_set; /* RTC + 0x0e */ |
| 42 | u8 int_enable; /* RTC + 0x0f */ |
| 43 | |
| 44 | u8 reserved1; |
| 45 | u8 hour; /* RTC + 0x11 */ |
| 46 | u8 minute; /* RTC + 0x12 */ |
| 47 | u8 second; /* RTC + 0x13 */ |
| 48 | |
| 49 | u8 month; /* RTC + 0x14 */ |
| 50 | u8 wday_mday; /* RTC + 0x15 */ |
| 51 | u16 year; /* RTC + 0x16 */ |
| 52 | |
| 53 | u8 int_alm; /* RTC + 0x18 */ |
| 54 | u8 int_sw; /* RTC + 0x19 */ |
| 55 | u8 alm_status; /* RTC + 0x1a */ |
| 56 | u8 sw_minute; /* RTC + 0x1b */ |
| 57 | |
| 58 | u8 bus_error_1; /* RTC + 0x1c */ |
| 59 | u8 int_day; /* RTC + 0x1d */ |
| 60 | u8 int_min; /* RTC + 0x1e */ |
| 61 | u8 int_sec; /* RTC + 0x1f */ |
| 62 | |
| 63 | /* |
| 64 | * target_time: |
| 65 | * intended to be used for hibernation but hibernation |
| 66 | * does not work on silicon rev 1.5 so use it for non-volatile |
| 67 | * storage of offset between the actual_time register and linux |
| 68 | * time |
| 69 | */ |
| 70 | u32 target_time; /* RTC + 0x20 */ |
| 71 | /* |
| 72 | * actual_time: |
Sachin Kamat | 07d27f2 | 2013-07-03 15:05:57 -0700 | [diff] [blame] | 73 | * readonly time since VBAT_RTC was last connected |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 74 | */ |
| 75 | u32 actual_time; /* RTC + 0x24 */ |
| 76 | u32 keep_alive; /* RTC + 0x28 */ |
| 77 | }; |
| 78 | |
| 79 | struct mpc5121_rtc_data { |
| 80 | unsigned irq; |
| 81 | unsigned irq_periodic; |
| 82 | struct mpc5121_rtc_regs __iomem *regs; |
| 83 | struct rtc_device *rtc; |
| 84 | struct rtc_wkalrm wkalarm; |
| 85 | }; |
| 86 | |
| 87 | /* |
| 88 | * Update second/minute/hour registers. |
| 89 | * |
| 90 | * This is just so alarm will work. |
| 91 | */ |
| 92 | static void mpc5121_rtc_update_smh(struct mpc5121_rtc_regs __iomem *regs, |
| 93 | struct rtc_time *tm) |
| 94 | { |
| 95 | out_8(®s->second_set, tm->tm_sec); |
| 96 | out_8(®s->minute_set, tm->tm_min); |
| 97 | out_8(®s->hour_set, tm->tm_hour); |
| 98 | |
| 99 | /* set time sequence */ |
| 100 | out_8(®s->set_time, 0x1); |
| 101 | out_8(®s->set_time, 0x3); |
| 102 | out_8(®s->set_time, 0x1); |
| 103 | out_8(®s->set_time, 0x0); |
| 104 | } |
| 105 | |
| 106 | static int mpc5121_rtc_read_time(struct device *dev, struct rtc_time *tm) |
| 107 | { |
| 108 | struct mpc5121_rtc_data *rtc = dev_get_drvdata(dev); |
| 109 | struct mpc5121_rtc_regs __iomem *regs = rtc->regs; |
| 110 | unsigned long now; |
| 111 | |
| 112 | /* |
| 113 | * linux time is actual_time plus the offset saved in target_time |
| 114 | */ |
| 115 | now = in_be32(®s->actual_time) + in_be32(®s->target_time); |
| 116 | |
| 117 | rtc_time_to_tm(now, tm); |
| 118 | |
| 119 | /* |
| 120 | * update second minute hour registers |
| 121 | * so alarms will work |
| 122 | */ |
| 123 | mpc5121_rtc_update_smh(regs, tm); |
| 124 | |
| 125 | return rtc_valid_tm(tm); |
| 126 | } |
| 127 | |
| 128 | static int mpc5121_rtc_set_time(struct device *dev, struct rtc_time *tm) |
| 129 | { |
| 130 | struct mpc5121_rtc_data *rtc = dev_get_drvdata(dev); |
| 131 | struct mpc5121_rtc_regs __iomem *regs = rtc->regs; |
| 132 | int ret; |
| 133 | unsigned long now; |
| 134 | |
| 135 | /* |
| 136 | * The actual_time register is read only so we write the offset |
| 137 | * between it and linux time to the target_time register. |
| 138 | */ |
| 139 | ret = rtc_tm_to_time(tm, &now); |
| 140 | if (ret == 0) |
| 141 | out_be32(®s->target_time, now - in_be32(®s->actual_time)); |
| 142 | |
| 143 | /* |
| 144 | * update second minute hour registers |
| 145 | * so alarms will work |
| 146 | */ |
| 147 | mpc5121_rtc_update_smh(regs, tm); |
| 148 | |
| 149 | return 0; |
| 150 | } |
| 151 | |
Dmitry Eremin-Solenikov | 955dbea | 2011-07-25 17:13:30 -0700 | [diff] [blame] | 152 | static int mpc5200_rtc_read_time(struct device *dev, struct rtc_time *tm) |
| 153 | { |
| 154 | struct mpc5121_rtc_data *rtc = dev_get_drvdata(dev); |
| 155 | struct mpc5121_rtc_regs __iomem *regs = rtc->regs; |
| 156 | int tmp; |
| 157 | |
| 158 | tm->tm_sec = in_8(®s->second); |
| 159 | tm->tm_min = in_8(®s->minute); |
| 160 | |
| 161 | /* 12 hour format? */ |
| 162 | if (in_8(®s->hour) & 0x20) |
| 163 | tm->tm_hour = (in_8(®s->hour) >> 1) + |
| 164 | (in_8(®s->hour) & 1 ? 12 : 0); |
| 165 | else |
| 166 | tm->tm_hour = in_8(®s->hour); |
| 167 | |
| 168 | tmp = in_8(®s->wday_mday); |
| 169 | tm->tm_mday = tmp & 0x1f; |
| 170 | tm->tm_mon = in_8(®s->month) - 1; |
| 171 | tm->tm_year = in_be16(®s->year) - 1900; |
| 172 | tm->tm_wday = (tmp >> 5) % 7; |
| 173 | tm->tm_yday = rtc_year_days(tm->tm_mday, tm->tm_mon, tm->tm_year); |
| 174 | tm->tm_isdst = 0; |
| 175 | |
| 176 | return 0; |
| 177 | } |
| 178 | |
| 179 | static int mpc5200_rtc_set_time(struct device *dev, struct rtc_time *tm) |
| 180 | { |
| 181 | struct mpc5121_rtc_data *rtc = dev_get_drvdata(dev); |
| 182 | struct mpc5121_rtc_regs __iomem *regs = rtc->regs; |
| 183 | |
| 184 | mpc5121_rtc_update_smh(regs, tm); |
| 185 | |
| 186 | /* date */ |
| 187 | out_8(®s->month_set, tm->tm_mon + 1); |
| 188 | out_8(®s->weekday_set, tm->tm_wday ? tm->tm_wday : 7); |
| 189 | out_8(®s->date_set, tm->tm_mday); |
| 190 | out_be16(®s->year_set, tm->tm_year + 1900); |
| 191 | |
| 192 | /* set date sequence */ |
| 193 | out_8(®s->set_date, 0x1); |
| 194 | out_8(®s->set_date, 0x3); |
| 195 | out_8(®s->set_date, 0x1); |
| 196 | out_8(®s->set_date, 0x0); |
| 197 | |
| 198 | return 0; |
| 199 | } |
| 200 | |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 201 | static int mpc5121_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alarm) |
| 202 | { |
| 203 | struct mpc5121_rtc_data *rtc = dev_get_drvdata(dev); |
| 204 | struct mpc5121_rtc_regs __iomem *regs = rtc->regs; |
| 205 | |
| 206 | *alarm = rtc->wkalarm; |
| 207 | |
| 208 | alarm->pending = in_8(®s->alm_status); |
| 209 | |
| 210 | return 0; |
| 211 | } |
| 212 | |
| 213 | static int mpc5121_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alarm) |
| 214 | { |
| 215 | struct mpc5121_rtc_data *rtc = dev_get_drvdata(dev); |
| 216 | struct mpc5121_rtc_regs __iomem *regs = rtc->regs; |
| 217 | |
| 218 | /* |
| 219 | * the alarm has no seconds so deal with it |
| 220 | */ |
| 221 | if (alarm->time.tm_sec) { |
| 222 | alarm->time.tm_sec = 0; |
| 223 | alarm->time.tm_min++; |
| 224 | if (alarm->time.tm_min >= 60) { |
| 225 | alarm->time.tm_min = 0; |
| 226 | alarm->time.tm_hour++; |
| 227 | if (alarm->time.tm_hour >= 24) |
| 228 | alarm->time.tm_hour = 0; |
| 229 | } |
| 230 | } |
| 231 | |
| 232 | alarm->time.tm_mday = -1; |
| 233 | alarm->time.tm_mon = -1; |
| 234 | alarm->time.tm_year = -1; |
| 235 | |
| 236 | out_8(®s->alm_min_set, alarm->time.tm_min); |
| 237 | out_8(®s->alm_hour_set, alarm->time.tm_hour); |
| 238 | |
| 239 | out_8(®s->alm_enable, alarm->enabled); |
| 240 | |
| 241 | rtc->wkalarm = *alarm; |
| 242 | return 0; |
| 243 | } |
| 244 | |
| 245 | static irqreturn_t mpc5121_rtc_handler(int irq, void *dev) |
| 246 | { |
| 247 | struct mpc5121_rtc_data *rtc = dev_get_drvdata((struct device *)dev); |
| 248 | struct mpc5121_rtc_regs __iomem *regs = rtc->regs; |
| 249 | |
| 250 | if (in_8(®s->int_alm)) { |
| 251 | /* acknowledge and clear status */ |
| 252 | out_8(®s->int_alm, 1); |
| 253 | out_8(®s->alm_status, 1); |
| 254 | |
| 255 | rtc_update_irq(rtc->rtc, 1, RTC_IRQF | RTC_AF); |
| 256 | return IRQ_HANDLED; |
| 257 | } |
| 258 | |
| 259 | return IRQ_NONE; |
| 260 | } |
| 261 | |
| 262 | static irqreturn_t mpc5121_rtc_handler_upd(int irq, void *dev) |
| 263 | { |
| 264 | struct mpc5121_rtc_data *rtc = dev_get_drvdata((struct device *)dev); |
| 265 | struct mpc5121_rtc_regs __iomem *regs = rtc->regs; |
| 266 | |
| 267 | if (in_8(®s->int_sec) && (in_8(®s->int_enable) & 0x1)) { |
| 268 | /* acknowledge */ |
| 269 | out_8(®s->int_sec, 1); |
| 270 | |
| 271 | rtc_update_irq(rtc->rtc, 1, RTC_IRQF | RTC_UF); |
| 272 | return IRQ_HANDLED; |
| 273 | } |
| 274 | |
| 275 | return IRQ_NONE; |
| 276 | } |
| 277 | |
| 278 | static int mpc5121_rtc_alarm_irq_enable(struct device *dev, |
| 279 | unsigned int enabled) |
| 280 | { |
| 281 | struct mpc5121_rtc_data *rtc = dev_get_drvdata(dev); |
| 282 | struct mpc5121_rtc_regs __iomem *regs = rtc->regs; |
| 283 | int val; |
| 284 | |
| 285 | if (enabled) |
| 286 | val = 1; |
| 287 | else |
| 288 | val = 0; |
| 289 | |
| 290 | out_8(®s->alm_enable, val); |
| 291 | rtc->wkalarm.enabled = val; |
| 292 | |
| 293 | return 0; |
| 294 | } |
| 295 | |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 296 | static const struct rtc_class_ops mpc5121_rtc_ops = { |
| 297 | .read_time = mpc5121_rtc_read_time, |
| 298 | .set_time = mpc5121_rtc_set_time, |
| 299 | .read_alarm = mpc5121_rtc_read_alarm, |
| 300 | .set_alarm = mpc5121_rtc_set_alarm, |
| 301 | .alarm_irq_enable = mpc5121_rtc_alarm_irq_enable, |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 302 | }; |
| 303 | |
Dmitry Eremin-Solenikov | 955dbea | 2011-07-25 17:13:30 -0700 | [diff] [blame] | 304 | static const struct rtc_class_ops mpc5200_rtc_ops = { |
| 305 | .read_time = mpc5200_rtc_read_time, |
| 306 | .set_time = mpc5200_rtc_set_time, |
| 307 | .read_alarm = mpc5121_rtc_read_alarm, |
| 308 | .set_alarm = mpc5121_rtc_set_alarm, |
| 309 | .alarm_irq_enable = mpc5121_rtc_alarm_irq_enable, |
| 310 | }; |
| 311 | |
Greg Kroah-Hartman | 5a167f4 | 2012-12-21 13:09:38 -0800 | [diff] [blame] | 312 | static int mpc5121_rtc_probe(struct platform_device *op) |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 313 | { |
| 314 | struct mpc5121_rtc_data *rtc; |
| 315 | int err = 0; |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 316 | |
Jingoo Han | 073bf42 | 2013-07-03 15:07:07 -0700 | [diff] [blame] | 317 | rtc = devm_kzalloc(&op->dev, sizeof(*rtc), GFP_KERNEL); |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 318 | if (!rtc) |
| 319 | return -ENOMEM; |
| 320 | |
Grant Likely | 295bdd9 | 2010-06-02 14:06:09 -0600 | [diff] [blame] | 321 | rtc->regs = of_iomap(op->dev.of_node, 0); |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 322 | if (!rtc->regs) { |
| 323 | dev_err(&op->dev, "%s: couldn't map io space\n", __func__); |
Jingoo Han | 073bf42 | 2013-07-03 15:07:07 -0700 | [diff] [blame] | 324 | return -ENOSYS; |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | device_init_wakeup(&op->dev, 1); |
| 328 | |
Jingoo Han | ad87a76 | 2013-07-03 15:07:47 -0700 | [diff] [blame] | 329 | platform_set_drvdata(op, rtc); |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 330 | |
Grant Likely | 295bdd9 | 2010-06-02 14:06:09 -0600 | [diff] [blame] | 331 | rtc->irq = irq_of_parse_and_map(op->dev.of_node, 1); |
Yong Zhang | 2f6e5f9 | 2012-03-23 15:02:34 -0700 | [diff] [blame] | 332 | err = request_irq(rtc->irq, mpc5121_rtc_handler, 0, |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 333 | "mpc5121-rtc", &op->dev); |
| 334 | if (err) { |
| 335 | dev_err(&op->dev, "%s: could not request irq: %i\n", |
| 336 | __func__, rtc->irq); |
| 337 | goto out_dispose; |
| 338 | } |
| 339 | |
Grant Likely | 295bdd9 | 2010-06-02 14:06:09 -0600 | [diff] [blame] | 340 | rtc->irq_periodic = irq_of_parse_and_map(op->dev.of_node, 0); |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 341 | err = request_irq(rtc->irq_periodic, mpc5121_rtc_handler_upd, |
Yong Zhang | 2f6e5f9 | 2012-03-23 15:02:34 -0700 | [diff] [blame] | 342 | 0, "mpc5121-rtc_upd", &op->dev); |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 343 | if (err) { |
| 344 | dev_err(&op->dev, "%s: could not request irq: %i\n", |
| 345 | __func__, rtc->irq_periodic); |
| 346 | goto out_dispose2; |
| 347 | } |
| 348 | |
Dmitry Eremin-Solenikov | 955dbea | 2011-07-25 17:13:30 -0700 | [diff] [blame] | 349 | if (of_device_is_compatible(op->dev.of_node, "fsl,mpc5121-rtc")) { |
| 350 | u32 ka; |
| 351 | ka = in_be32(&rtc->regs->keep_alive); |
| 352 | if (ka & 0x02) { |
| 353 | dev_warn(&op->dev, |
| 354 | "mpc5121-rtc: Battery or oscillator failure!\n"); |
| 355 | out_be32(&rtc->regs->keep_alive, ka); |
| 356 | } |
| 357 | |
Jingoo Han | 073bf42 | 2013-07-03 15:07:07 -0700 | [diff] [blame] | 358 | rtc->rtc = devm_rtc_device_register(&op->dev, "mpc5121-rtc", |
Dmitry Eremin-Solenikov | 955dbea | 2011-07-25 17:13:30 -0700 | [diff] [blame] | 359 | &mpc5121_rtc_ops, THIS_MODULE); |
| 360 | } else { |
Jingoo Han | 073bf42 | 2013-07-03 15:07:07 -0700 | [diff] [blame] | 361 | rtc->rtc = devm_rtc_device_register(&op->dev, "mpc5200-rtc", |
Dmitry Eremin-Solenikov | 955dbea | 2011-07-25 17:13:30 -0700 | [diff] [blame] | 362 | &mpc5200_rtc_ops, THIS_MODULE); |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 363 | } |
| 364 | |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 365 | if (IS_ERR(rtc->rtc)) { |
| 366 | err = PTR_ERR(rtc->rtc); |
| 367 | goto out_free_irq; |
| 368 | } |
John Stultz | e48b5e8 | 2012-04-24 13:43:35 -0700 | [diff] [blame] | 369 | rtc->rtc->uie_unsupported = 1; |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 370 | |
| 371 | return 0; |
| 372 | |
| 373 | out_free_irq: |
| 374 | free_irq(rtc->irq_periodic, &op->dev); |
| 375 | out_dispose2: |
| 376 | irq_dispose_mapping(rtc->irq_periodic); |
| 377 | free_irq(rtc->irq, &op->dev); |
| 378 | out_dispose: |
| 379 | irq_dispose_mapping(rtc->irq); |
| 380 | iounmap(rtc->regs); |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 381 | |
| 382 | return err; |
| 383 | } |
| 384 | |
Greg Kroah-Hartman | 5a167f4 | 2012-12-21 13:09:38 -0800 | [diff] [blame] | 385 | static int mpc5121_rtc_remove(struct platform_device *op) |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 386 | { |
Jingoo Han | ad87a76 | 2013-07-03 15:07:47 -0700 | [diff] [blame] | 387 | struct mpc5121_rtc_data *rtc = platform_get_drvdata(op); |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 388 | struct mpc5121_rtc_regs __iomem *regs = rtc->regs; |
| 389 | |
| 390 | /* disable interrupt, so there are no nasty surprises */ |
| 391 | out_8(®s->alm_enable, 0); |
| 392 | out_8(®s->int_enable, in_8(®s->int_enable) & ~0x1); |
| 393 | |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 394 | iounmap(rtc->regs); |
| 395 | free_irq(rtc->irq, &op->dev); |
| 396 | free_irq(rtc->irq_periodic, &op->dev); |
| 397 | irq_dispose_mapping(rtc->irq); |
| 398 | irq_dispose_mapping(rtc->irq_periodic); |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 399 | |
| 400 | return 0; |
| 401 | } |
| 402 | |
Sachin Kamat | c8a6046 | 2013-02-21 16:44:28 -0800 | [diff] [blame] | 403 | #ifdef CONFIG_OF |
Uwe Kleine-König | a28885b | 2014-10-13 15:52:39 -0700 | [diff] [blame] | 404 | static const struct of_device_id mpc5121_rtc_match[] = { |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 405 | { .compatible = "fsl,mpc5121-rtc", }, |
Dmitry Eremin-Solenikov | 955dbea | 2011-07-25 17:13:30 -0700 | [diff] [blame] | 406 | { .compatible = "fsl,mpc5200-rtc", }, |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 407 | {}, |
| 408 | }; |
Javier Martinez Canillas | 73798d5 | 2015-08-27 13:52:02 +0200 | [diff] [blame^] | 409 | MODULE_DEVICE_TABLE(of, mpc5121_rtc_match); |
Sachin Kamat | c8a6046 | 2013-02-21 16:44:28 -0800 | [diff] [blame] | 410 | #endif |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 411 | |
Grant Likely | 1c48a5c | 2011-02-17 02:43:24 -0700 | [diff] [blame] | 412 | static struct platform_driver mpc5121_rtc_driver = { |
Grant Likely | 295bdd9 | 2010-06-02 14:06:09 -0600 | [diff] [blame] | 413 | .driver = { |
| 414 | .name = "mpc5121-rtc", |
Sachin Kamat | c8a6046 | 2013-02-21 16:44:28 -0800 | [diff] [blame] | 415 | .of_match_table = of_match_ptr(mpc5121_rtc_match), |
Grant Likely | 295bdd9 | 2010-06-02 14:06:09 -0600 | [diff] [blame] | 416 | }, |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 417 | .probe = mpc5121_rtc_probe, |
Greg Kroah-Hartman | 5a167f4 | 2012-12-21 13:09:38 -0800 | [diff] [blame] | 418 | .remove = mpc5121_rtc_remove, |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 419 | }; |
| 420 | |
Axel Lin | 0c4eae6 | 2012-01-10 15:10:48 -0800 | [diff] [blame] | 421 | module_platform_driver(mpc5121_rtc_driver); |
Anatolij Gustschin | 50aae72 | 2010-02-16 10:47:35 -0700 | [diff] [blame] | 422 | |
| 423 | MODULE_LICENSE("GPL"); |
| 424 | MODULE_AUTHOR("John Rigby <jcrigby@gmail.com>"); |