drivers/clk/at91/clk-master.c

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (C) 2016 Atmel Corporation
   4  *               Wenyou.Yang <wenyou.yang@atmel.com>
   5  */
   6
   7 #include <common.h>
   8 #include <clk-uclass.h>
   9 #include <dm.h>
  10
  11 DECLARE_GLOBAL_DATA_PTR;
  12
  13 static ulong at91_master_clk_get_rate(struct clk *clk)
  14 {
  15         return gd->arch.mck_rate_hz;
  16 }
  17
  18 static struct clk_ops at91_master_clk_ops = {
  19         .get_rate = at91_master_clk_get_rate,
  20 };
  21
  22 static const struct udevice_id at91_master_clk_match[] = {
  23         { .compatible = "atmel,at91rm9200-clk-master" },
  24         { .compatible = "atmel,at91sam9x5-clk-master" },
  25         {}
  26 };
  27
  28 U_BOOT_DRIVER(at91_master_clk) = {
  29         .name = "at91-master-clk",
  30         .id = UCLASS_CLK,
  31         .of_match = at91_master_clk_match,
  32         .ops = &at91_master_clk_ops,
  33 };