drivers/misc/stm32_rcc.c

   1 /*
   2  * Copyright (C) STMicroelectronics SA 2017
   3  * Author(s): Patrice CHOTARD, <patrice.chotard@st.com> for STMicroelectronics.
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  */
   7
   8 #include <common.h>
   9 #include <dm.h>
  10 #include <misc.h>
  11 #include <dm/lists.h>
  12
  13 static int stm32_rcc_bind(struct udevice *dev)
  14 {
  15         int ret;
  16         struct udevice *child;
  17
  18         debug("%s(dev=%p)\n", __func__, dev);
  19
  20         ret = device_bind_driver_to_node(dev, "stm32h7_rcc_clock",
  21                                          "stm32h7_rcc_clock",
  22                                          dev_ofnode(dev), &child);
  23         if (ret)
  24                 return ret;
  25
  26         return device_bind_driver_to_node(dev, "stm32_rcc_reset",
  27                                           "stm32_rcc_reset",
  28                                           dev_ofnode(dev), &child);
  29 }
  30
  31 static const struct misc_ops stm32_rcc_ops = {
  32 };
  33
  34 static const struct udevice_id stm32_rcc_ids[] = {
  35         {.compatible = "st,stm32h743-rcc"},
  36         { }
  37 };
  38
  39 U_BOOT_DRIVER(stm32_rcc) = {
  40         .name           = "stm32-rcc",
  41         .id             = UCLASS_MISC,
  42         .of_match       = stm32_rcc_ids,
  43         .bind           = stm32_rcc_bind,
  44         .ops            = &stm32_rcc_ops,
  45 };