drivers/memory/atmel_ebi.c

   1 // SPDX-License-Identifier: GPL-2.0-only
   2 /*
   3  * Copyright (C) 2022 Microchip Technology Inc. and its subsidiaries
   4  */
   5
   6 #include <dm/device.h>
   7 #include <dm/read.h>
   8 #include <dm/uclass.h>
   9 #include <fdtdec.h>
  10
  11 static int atmel_ebi_probe(struct udevice *dev)
  12 {
  13         int ret;
  14         struct udevice *ndev;
  15
  16         ret = uclass_get_device_by_driver(UCLASS_MTD,
  17                                           DM_DRIVER_GET(atmel_nand_controller),
  18                                           &ndev);
  19         if (ret)
  20                 printf("Failed to probe nand driver (err = %d)\n", ret);
  21
  22         return ret;
  23 }
  24
  25 static const struct udevice_id atmel_ebi_match[] = {
  26         {.compatible = "microchip,sam9x60-ebi"},
  27         {.compatible = "atmel,sama5d3-ebi"},
  28         { /* Sentinel */ }
  29 };
  30
  31 U_BOOT_DRIVER(atmel_ebi) = {
  32         .name = "atmel_ebi",
  33         .id = UCLASS_NOP,
  34         .of_match = atmel_ebi_match,
  35         .probe = atmel_ebi_probe,
  36         .bind = dm_scan_fdt_dev,
  37 };