drivers/soc/qcom/qcom_aoss.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2019, Linaro Ltd
   4  */
   5 #include <linux/clk-provider.h>
   6 #include <linux/debugfs.h>
   7 #include <linux/interrupt.h>
   8 #include <linux/io.h>
   9 #include <linux/mailbox_client.h>
  10 #include <linux/module.h>
  11 #include <linux/of_platform.h>
  12 #include <linux/platform_device.h>
  13 #include <linux/thermal.h>
  14 #include <linux/slab.h>
  15 #include <linux/soc/qcom/qcom_aoss.h>
  16
  17 #define CREATE_TRACE_POINTS
  18 #include "trace-aoss.h"
  19
  20 #define QMP_DESC_MAGIC                  0x0
  21 #define QMP_DESC_VERSION                0x4
  22 #define QMP_DESC_FEATURES               0x8
  23
  24 /* AOP-side offsets */
  25 #define QMP_DESC_UCORE_LINK_STATE       0xc
  26 #define QMP_DESC_UCORE_LINK_STATE_ACK   0x10
  27 #define QMP_DESC_UCORE_CH_STATE         0x14
  28 #define QMP_DESC_UCORE_CH_STATE_ACK     0x18
  29 #define QMP_DESC_UCORE_MBOX_SIZE        0x1c
  30 #define QMP_DESC_UCORE_MBOX_OFFSET      0x20
  31
  32 /* Linux-side offsets */
  33 #define QMP_DESC_MCORE_LINK_STATE       0x24
  34 #define QMP_DESC_MCORE_LINK_STATE_ACK   0x28
  35 #define QMP_DESC_MCORE_CH_STATE         0x2c
  36 #define QMP_DESC_MCORE_CH_STATE_ACK     0x30
  37 #define QMP_DESC_MCORE_MBOX_SIZE        0x34
  38 #define QMP_DESC_MCORE_MBOX_OFFSET      0x38
  39
  40 #define QMP_STATE_UP                    GENMASK(15, 0)
  41 #define QMP_STATE_DOWN                  GENMASK(31, 16)
  42
  43 #define QMP_MAGIC                       0x4d41494c /* mail */
  44 #define QMP_VERSION                     1
  45
  46 /* 64 bytes is enough to store the requests and provides padding to 4 bytes */
  47 #define QMP_MSG_LEN                     64
  48
  49 #define QMP_NUM_COOLING_RESOURCES       2
  50
  51 #define QMP_DEBUGFS_FILES               4
  52
  53 static bool qmp_cdev_max_state = 1;
  54
  55 struct qmp_cooling_device {
  56         struct thermal_cooling_device *cdev;
  57         struct qmp *qmp;
  58         char *name;
  59         bool state;
  60 };
  61
  62 /**
  63  * struct qmp - driver state for QMP implementation
  64  * @msgram: iomem referencing the message RAM used for communication
  65  * @dev: reference to QMP device
  66  * @mbox_client: mailbox client used to ring the doorbell on transmit
  67  * @mbox_chan: mailbox channel used to ring the doorbell on transmit
  68  * @offset: offset within @msgram where messages should be written
  69  * @size: maximum size of the messages to be transmitted
  70  * @event: wait_queue for synchronization with the IRQ
  71  * @tx_lock: provides synchronization between multiple callers of qmp_send()
  72  * @qdss_clk: QDSS clock hw struct
  73  * @cooling_devs: thermal cooling devices
  74  * @debugfs_root: directory for the developer/tester interface
  75  * @debugfs_files: array of individual debugfs entries under debugfs_root
  76  */
  77 struct qmp {
  78         void __iomem *msgram;
  79         struct device *dev;
  80
  81         struct mbox_client mbox_client;
  82         struct mbox_chan *mbox_chan;
  83
  84         size_t offset;
  85         size_t size;
  86
  87         wait_queue_head_t event;
  88
  89         struct mutex tx_lock;
  90
  91         struct clk_hw qdss_clk;
  92         struct qmp_cooling_device *cooling_devs;
  93         struct dentry *debugfs_root;
  94         struct dentry *debugfs_files[QMP_DEBUGFS_FILES];
  95 };
  96
  97 static void qmp_kick(struct qmp *qmp)
  98 {
  99         mbox_send_message(qmp->mbox_chan, NULL);
 100         mbox_client_txdone(qmp->mbox_chan, 0);
 101 }
 102
 103 static bool qmp_magic_valid(struct qmp *qmp)
 104 {
 105         return readl(qmp->msgram + QMP_DESC_MAGIC) == QMP_MAGIC;
 106 }
 107
 108 static bool qmp_link_acked(struct qmp *qmp)
 109 {
 110         return readl(qmp->msgram + QMP_DESC_MCORE_LINK_STATE_ACK) == QMP_STATE_UP;
 111 }
 112
 113 static bool qmp_mcore_channel_acked(struct qmp *qmp)
 114 {
 115         return readl(qmp->msgram + QMP_DESC_MCORE_CH_STATE_ACK) == QMP_STATE_UP;
 116 }
 117
 118 static bool qmp_ucore_channel_up(struct qmp *qmp)
 119 {
 120         return readl(qmp->msgram + QMP_DESC_UCORE_CH_STATE) == QMP_STATE_UP;
 121 }
 122
 123 static int qmp_open(struct qmp *qmp)
 124 {
 125         int ret;
 126         u32 val;
 127
 128         if (!qmp_magic_valid(qmp)) {
 129                 dev_err(qmp->dev, "QMP magic doesn't match\n");
 130                 return -EINVAL;
 131         }
 132
 133         val = readl(qmp->msgram + QMP_DESC_VERSION);
 134         if (val != QMP_VERSION) {
 135                 dev_err(qmp->dev, "unsupported QMP version %d\n", val);
 136                 return -EINVAL;
 137         }
 138
 139         qmp->offset = readl(qmp->msgram + QMP_DESC_MCORE_MBOX_OFFSET);
 140         qmp->size = readl(qmp->msgram + QMP_DESC_MCORE_MBOX_SIZE);
 141         if (!qmp->size) {
 142                 dev_err(qmp->dev, "invalid mailbox size\n");
 143                 return -EINVAL;
 144         }
 145
 146         /* Ack remote core's link state */
 147         val = readl(qmp->msgram + QMP_DESC_UCORE_LINK_STATE);
 148         writel(val, qmp->msgram + QMP_DESC_UCORE_LINK_STATE_ACK);
 149
 150         /* Set local core's link state to up */
 151         writel(QMP_STATE_UP, qmp->msgram + QMP_DESC_MCORE_LINK_STATE);
 152
 153         qmp_kick(qmp);
 154
 155         ret = wait_event_timeout(qmp->event, qmp_link_acked(qmp), HZ);
 156         if (!ret) {
 157                 dev_err(qmp->dev, "ucore didn't ack link\n");
 158                 goto timeout_close_link;
 159         }
 160
 161         writel(QMP_STATE_UP, qmp->msgram + QMP_DESC_MCORE_CH_STATE);
 162
 163         qmp_kick(qmp);
 164
 165         ret = wait_event_timeout(qmp->event, qmp_ucore_channel_up(qmp), HZ);
 166         if (!ret) {
 167                 dev_err(qmp->dev, "ucore didn't open channel\n");
 168                 goto timeout_close_channel;
 169         }
 170
 171         /* Ack remote core's channel state */
 172         writel(QMP_STATE_UP, qmp->msgram + QMP_DESC_UCORE_CH_STATE_ACK);
 173
 174         qmp_kick(qmp);
 175
 176         ret = wait_event_timeout(qmp->event, qmp_mcore_channel_acked(qmp), HZ);
 177         if (!ret) {
 178                 dev_err(qmp->dev, "ucore didn't ack channel\n");
 179                 goto timeout_close_channel;
 180         }
 181
 182         return 0;
 183
 184 timeout_close_channel:
 185         writel(QMP_STATE_DOWN, qmp->msgram + QMP_DESC_MCORE_CH_STATE);
 186
 187 timeout_close_link:
 188         writel(QMP_STATE_DOWN, qmp->msgram + QMP_DESC_MCORE_LINK_STATE);
 189         qmp_kick(qmp);
 190
 191         return -ETIMEDOUT;
 192 }
 193
 194 static void qmp_close(struct qmp *qmp)
 195 {
 196         writel(QMP_STATE_DOWN, qmp->msgram + QMP_DESC_MCORE_CH_STATE);
 197         writel(QMP_STATE_DOWN, qmp->msgram + QMP_DESC_MCORE_LINK_STATE);
 198         qmp_kick(qmp);
 199 }
 200
 201 static irqreturn_t qmp_intr(int irq, void *data)
 202 {
 203         struct qmp *qmp = data;
 204
 205         wake_up_all(&qmp->event);
 206
 207         return IRQ_HANDLED;
 208 }
 209
 210 static bool qmp_message_empty(struct qmp *qmp)
 211 {
 212         return readl(qmp->msgram + qmp->offset) == 0;
 213 }
 214
 215 /**
 216  * qmp_send() - send a message to the AOSS
 217  * @qmp: qmp context
 218  * @fmt: format string for message to be sent
 219  * @...: arguments for the format string
 220  *
 221  * Transmit message to AOSS and wait for the AOSS to acknowledge the message.
 222  * data must not be longer than the mailbox size. Access is synchronized by
 223  * this implementation.
 224  *
 225  * Return: 0 on success, negative errno on failure
 226  */
 227 int __printf(2, 3) qmp_send(struct qmp *qmp, const char *fmt, ...)
 228 {
 229         char buf[QMP_MSG_LEN];
 230         long time_left;
 231         va_list args;
 232         int len;
 233         int ret;
 234
 235         if (WARN_ON(IS_ERR_OR_NULL(qmp) || !fmt))
 236                 return -EINVAL;
 237
 238         memset(buf, 0, sizeof(buf));
 239         va_start(args, fmt);
 240         len = vsnprintf(buf, sizeof(buf), fmt, args);
 241         va_end(args);
 242
 243         if (WARN_ON(len >= sizeof(buf)))
 244                 return -EINVAL;
 245
 246         mutex_lock(&qmp->tx_lock);
 247
 248         trace_aoss_send(buf);
 249
 250         /* The message RAM only implements 32-bit accesses */
 251         __iowrite32_copy(qmp->msgram + qmp->offset + sizeof(u32),
 252                          buf, sizeof(buf) / sizeof(u32));
 253         writel(sizeof(buf), qmp->msgram + qmp->offset);
 254
 255         /* Read back length to confirm data written in message RAM */
 256         readl(qmp->msgram + qmp->offset);
 257         qmp_kick(qmp);
 258
 259         time_left = wait_event_interruptible_timeout(qmp->event,
 260                                                      qmp_message_empty(qmp), HZ);
 261         if (!time_left) {
 262                 dev_err(qmp->dev, "ucore did not ack channel\n");
 263                 ret = -ETIMEDOUT;
 264
 265                 /* Clear message from buffer */
 266                 writel(0, qmp->msgram + qmp->offset);
 267         } else {
 268                 ret = 0;
 269         }
 270
 271         trace_aoss_send_done(buf, ret);
 272
 273         mutex_unlock(&qmp->tx_lock);
 274
 275         return ret;
 276 }
 277 EXPORT_SYMBOL_GPL(qmp_send);
 278
 279 static int qmp_qdss_clk_prepare(struct clk_hw *hw)
 280 {
 281         static const char *buf = "{class: clock, res: qdss, val: 1}";
 282         struct qmp *qmp = container_of(hw, struct qmp, qdss_clk);
 283
 284         return qmp_send(qmp, buf);
 285 }
 286
 287 static void qmp_qdss_clk_unprepare(struct clk_hw *hw)
 288 {
 289         static const char *buf = "{class: clock, res: qdss, val: 0}";
 290         struct qmp *qmp = container_of(hw, struct qmp, qdss_clk);
 291
 292         qmp_send(qmp, buf);
 293 }
 294
 295 static const struct clk_ops qmp_qdss_clk_ops = {
 296         .prepare = qmp_qdss_clk_prepare,
 297         .unprepare = qmp_qdss_clk_unprepare,
 298 };
 299
 300 static int qmp_qdss_clk_add(struct qmp *qmp)
 301 {
 302         static const struct clk_init_data qdss_init = {
 303                 .ops = &qmp_qdss_clk_ops,
 304                 .name = "qdss",
 305         };
 306         int ret;
 307
 308         qmp->qdss_clk.init = &qdss_init;
 309         ret = clk_hw_register(qmp->dev, &qmp->qdss_clk);
 310         if (ret < 0) {
 311                 dev_err(qmp->dev, "failed to register qdss clock\n");
 312                 return ret;
 313         }
 314
 315         ret = of_clk_add_hw_provider(qmp->dev->of_node, of_clk_hw_simple_get,
 316                                      &qmp->qdss_clk);
 317         if (ret < 0) {
 318                 dev_err(qmp->dev, "unable to register of clk hw provider\n");
 319                 clk_hw_unregister(&qmp->qdss_clk);
 320         }
 321
 322         return ret;
 323 }
 324
 325 static void qmp_qdss_clk_remove(struct qmp *qmp)
 326 {
 327         of_clk_del_provider(qmp->dev->of_node);
 328         clk_hw_unregister(&qmp->qdss_clk);
 329 }
 330
 331 static int qmp_cdev_get_max_state(struct thermal_cooling_device *cdev,
 332                                   unsigned long *state)
 333 {
 334         *state = qmp_cdev_max_state;
 335         return 0;
 336 }
 337
 338 static int qmp_cdev_get_cur_state(struct thermal_cooling_device *cdev,
 339                                   unsigned long *state)
 340 {
 341         struct qmp_cooling_device *qmp_cdev = cdev->devdata;
 342
 343         *state = qmp_cdev->state;
 344         return 0;
 345 }
 346
 347 static int qmp_cdev_set_cur_state(struct thermal_cooling_device *cdev,
 348                                   unsigned long state)
 349 {
 350         struct qmp_cooling_device *qmp_cdev = cdev->devdata;
 351         bool cdev_state;
 352         int ret;
 353
 354         /* Normalize state */
 355         cdev_state = !!state;
 356
 357         if (qmp_cdev->state == state)
 358                 return 0;
 359
 360         ret = qmp_send(qmp_cdev->qmp, "{class: volt_flr, event:zero_temp, res:%s, value:%s}",
 361                        qmp_cdev->name, cdev_state ? "on" : "off");
 362         if (!ret)
 363                 qmp_cdev->state = cdev_state;
 364
 365         return ret;
 366 }
 367
 368 static const struct thermal_cooling_device_ops qmp_cooling_device_ops = {
 369         .get_max_state = qmp_cdev_get_max_state,
 370         .get_cur_state = qmp_cdev_get_cur_state,
 371         .set_cur_state = qmp_cdev_set_cur_state,
 372 };
 373
 374 static int qmp_cooling_device_add(struct qmp *qmp,
 375                                   struct qmp_cooling_device *qmp_cdev,
 376                                   struct device_node *node)
 377 {
 378         char *cdev_name = (char *)node->name;
 379
 380         qmp_cdev->qmp = qmp;
 381         qmp_cdev->state = !qmp_cdev_max_state;
 382         qmp_cdev->name = cdev_name;
 383         qmp_cdev->cdev = devm_thermal_of_cooling_device_register
 384                                 (qmp->dev, node,
 385                                 cdev_name,
 386                                 qmp_cdev, &qmp_cooling_device_ops);
 387
 388         if (IS_ERR(qmp_cdev->cdev))
 389                 dev_err(qmp->dev, "unable to register %s cooling device\n",
 390                         cdev_name);
 391
 392         return PTR_ERR_OR_ZERO(qmp_cdev->cdev);
 393 }
 394
 395 static int qmp_cooling_devices_register(struct qmp *qmp)
 396 {
 397         struct device_node *np;
 398         int count = 0;
 399         int ret;
 400
 401         np = qmp->dev->of_node;
 402
 403         qmp->cooling_devs = devm_kcalloc(qmp->dev, QMP_NUM_COOLING_RESOURCES,
 404                                          sizeof(*qmp->cooling_devs),
 405                                          GFP_KERNEL);
 406
 407         if (!qmp->cooling_devs)
 408                 return -ENOMEM;
 409
 410         for_each_available_child_of_node_scoped(np, child) {
 411                 if (!of_property_present(child, "#cooling-cells"))
 412                         continue;
 413                 ret = qmp_cooling_device_add(qmp, &qmp->cooling_devs[count++],
 414                                              child);
 415                 if (ret)
 416                         goto unroll;
 417         }
 418
 419         if (!count)
 420                 devm_kfree(qmp->dev, qmp->cooling_devs);
 421
 422         return 0;
 423
 424 unroll:
 425         while (--count >= 0)
 426                 thermal_cooling_device_unregister
 427                         (qmp->cooling_devs[count].cdev);
 428         devm_kfree(qmp->dev, qmp->cooling_devs);
 429
 430         return ret;
 431 }
 432
 433 static void qmp_cooling_devices_remove(struct qmp *qmp)
 434 {
 435         int i;
 436
 437         for (i = 0; i < QMP_NUM_COOLING_RESOURCES; i++)
 438                 thermal_cooling_device_unregister(qmp->cooling_devs[i].cdev);
 439 }
 440
 441 /**
 442  * qmp_get() - get a qmp handle from a device
 443  * @dev: client device pointer
 444  *
 445  * Return: handle to qmp device on success, ERR_PTR() on failure
 446  */
 447 struct qmp *qmp_get(struct device *dev)
 448 {
 449         struct platform_device *pdev;
 450         struct device_node *np;
 451         struct qmp *qmp;
 452
 453         if (!dev || !dev->of_node)
 454                 return ERR_PTR(-EINVAL);
 455
 456         np = of_parse_phandle(dev->of_node, "qcom,qmp", 0);
 457         if (!np)
 458                 return ERR_PTR(-ENODEV);
 459
 460         pdev = of_find_device_by_node(np);
 461         of_node_put(np);
 462         if (!pdev)
 463                 return ERR_PTR(-EINVAL);
 464
 465         qmp = platform_get_drvdata(pdev);
 466
 467         if (!qmp) {
 468                 put_device(&pdev->dev);
 469                 return ERR_PTR(-EPROBE_DEFER);
 470         }
 471         return qmp;
 472 }
 473 EXPORT_SYMBOL_GPL(qmp_get);
 474
 475 /**
 476  * qmp_put() - release a qmp handle
 477  * @qmp: qmp handle obtained from qmp_get()
 478  */
 479 void qmp_put(struct qmp *qmp)
 480 {
 481         /*
 482          * Match get_device() inside of_find_device_by_node() in
 483          * qmp_get()
 484          */
 485         if (!IS_ERR_OR_NULL(qmp))
 486                 put_device(qmp->dev);
 487 }
 488 EXPORT_SYMBOL_GPL(qmp_put);
 489
 490 struct qmp_debugfs_entry {
 491         const char *name;
 492         const char *fmt;
 493         bool is_bool;
 494         const char *true_val;
 495         const char *false_val;
 496 };
 497
 498 static const struct qmp_debugfs_entry qmp_debugfs_entries[QMP_DEBUGFS_FILES] = {
 499         { "ddr_frequency_mhz", "{class: ddr, res: fixed, val: %u}", false },
 500         { "prevent_aoss_sleep", "{class: aoss_slp, res: sleep: %s}", true, "enable", "disable" },
 501         { "prevent_cx_collapse", "{class: cx_mol, res: cx, val: %s}", true, "mol", "off" },
 502         { "prevent_ddr_collapse", "{class: ddr_mol, res: ddr, val: %s}", true, "mol", "off" },
 503 };
 504
 505 static ssize_t qmp_debugfs_write(struct file *file, const char __user *user_buf,
 506                                  size_t count, loff_t *pos)
 507 {
 508         const struct qmp_debugfs_entry *entry = NULL;
 509         struct qmp *qmp = file->private_data;
 510         char buf[QMP_MSG_LEN];
 511         unsigned int uint_val;
 512         const char *str_val;
 513         bool bool_val;
 514         int ret;
 515         int i;
 516
 517         for (i = 0; i < ARRAY_SIZE(qmp->debugfs_files); i++) {
 518                 if (qmp->debugfs_files[i] == file->f_path.dentry) {
 519                         entry = &qmp_debugfs_entries[i];
 520                         break;
 521                 }
 522         }
 523         if (WARN_ON(!entry))
 524                 return -EFAULT;
 525
 526         if (entry->is_bool) {
 527                 ret = kstrtobool_from_user(user_buf, count, &bool_val);
 528                 if (ret)
 529                         return ret;
 530
 531                 str_val = bool_val ? entry->true_val : entry->false_val;
 532
 533                 ret = snprintf(buf, sizeof(buf), entry->fmt, str_val);
 534                 if (ret >= sizeof(buf))
 535                         return -EINVAL;
 536         } else {
 537                 ret = kstrtou32_from_user(user_buf, count, 0, &uint_val);
 538                 if (ret)
 539                         return ret;
 540
 541                 ret = snprintf(buf, sizeof(buf), entry->fmt, uint_val);
 542                 if (ret >= sizeof(buf))
 543                         return -EINVAL;
 544         }
 545
 546         ret = qmp_send(qmp, buf);
 547         if (ret < 0)
 548                 return ret;
 549
 550         return count;
 551 }
 552
 553 static const struct file_operations qmp_debugfs_fops = {
 554         .open = simple_open,
 555         .write = qmp_debugfs_write,
 556 };
 557
 558 static void qmp_debugfs_create(struct qmp *qmp)
 559 {
 560         const struct qmp_debugfs_entry *entry;
 561         int i;
 562
 563         qmp->debugfs_root = debugfs_create_dir("qcom_aoss", NULL);
 564
 565         for (i = 0; i < ARRAY_SIZE(qmp->debugfs_files); i++) {
 566                 entry = &qmp_debugfs_entries[i];
 567
 568                 qmp->debugfs_files[i] = debugfs_create_file(entry->name, 0200,
 569                                                             qmp->debugfs_root,
 570                                                             qmp,
 571                                                             &qmp_debugfs_fops);
 572         }
 573 }
 574
 575 static int qmp_probe(struct platform_device *pdev)
 576 {
 577         struct qmp *qmp;
 578         int irq;
 579         int ret;
 580
 581         qmp = devm_kzalloc(&pdev->dev, sizeof(*qmp), GFP_KERNEL);
 582         if (!qmp)
 583                 return -ENOMEM;
 584
 585         qmp->dev = &pdev->dev;
 586         init_waitqueue_head(&qmp->event);
 587         mutex_init(&qmp->tx_lock);
 588
 589         qmp->msgram = devm_platform_ioremap_resource(pdev, 0);
 590         if (IS_ERR(qmp->msgram))
 591                 return PTR_ERR(qmp->msgram);
 592
 593         qmp->mbox_client.dev = &pdev->dev;
 594         qmp->mbox_client.knows_txdone = true;
 595         qmp->mbox_chan = mbox_request_channel(&qmp->mbox_client, 0);
 596         if (IS_ERR(qmp->mbox_chan)) {
 597                 dev_err(&pdev->dev, "failed to acquire ipc mailbox\n");
 598                 return PTR_ERR(qmp->mbox_chan);
 599         }
 600
 601         irq = platform_get_irq(pdev, 0);
 602         ret = devm_request_irq(&pdev->dev, irq, qmp_intr, 0,
 603                                "aoss-qmp", qmp);
 604         if (ret < 0) {
 605                 dev_err(&pdev->dev, "failed to request interrupt\n");
 606                 goto err_free_mbox;
 607         }
 608
 609         ret = qmp_open(qmp);
 610         if (ret < 0)
 611                 goto err_free_mbox;
 612
 613         ret = qmp_qdss_clk_add(qmp);
 614         if (ret)
 615                 goto err_close_qmp;
 616
 617         ret = qmp_cooling_devices_register(qmp);
 618         if (ret)
 619                 dev_err(&pdev->dev, "failed to register aoss cooling devices\n");
 620
 621         platform_set_drvdata(pdev, qmp);
 622
 623         qmp_debugfs_create(qmp);
 624
 625         return 0;
 626
 627 err_close_qmp:
 628         qmp_close(qmp);
 629 err_free_mbox:
 630         mbox_free_channel(qmp->mbox_chan);
 631
 632         return ret;
 633 }
 634
 635 static void qmp_remove(struct platform_device *pdev)
 636 {
 637         struct qmp *qmp = platform_get_drvdata(pdev);
 638
 639         debugfs_remove_recursive(qmp->debugfs_root);
 640
 641         qmp_qdss_clk_remove(qmp);
 642         qmp_cooling_devices_remove(qmp);
 643
 644         qmp_close(qmp);
 645         mbox_free_channel(qmp->mbox_chan);
 646 }
 647
 648 static const struct of_device_id qmp_dt_match[] = {
 649         { .compatible = "qcom,sc7180-aoss-qmp", },
 650         { .compatible = "qcom,sc7280-aoss-qmp", },
 651         { .compatible = "qcom,sdm845-aoss-qmp", },
 652         { .compatible = "qcom,sm8150-aoss-qmp", },
 653         { .compatible = "qcom,sm8250-aoss-qmp", },
 654         { .compatible = "qcom,sm8350-aoss-qmp", },
 655         { .compatible = "qcom,aoss-qmp", },
 656         {}
 657 };
 658 MODULE_DEVICE_TABLE(of, qmp_dt_match);
 659
 660 static struct platform_driver qmp_driver = {
 661         .driver = {
 662                 .name           = "qcom_aoss_qmp",
 663                 .of_match_table = qmp_dt_match,
 664                 .suppress_bind_attrs = true,
 665         },
 666         .probe = qmp_probe,
 667         .remove = qmp_remove,
 668 };
 669 module_platform_driver(qmp_driver);
 670
 671 MODULE_DESCRIPTION("Qualcomm AOSS QMP driver");
 672 MODULE_LICENSE("GPL v2");