LXR uboot/drivers/clk/at91/clk-slow.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
  11static int at91_slow_clk_enable(struct clk *clk)
  12{
  13        return 0;
  14}
  15
  16static ulong at91_slow_clk_get_rate(struct clk *clk)
  17{
  18        return CONFIG_SYS_AT91_SLOW_CLOCK;
  19}
  20
  21static struct clk_ops at91_slow_clk_ops = {
  22        .enable = at91_slow_clk_enable,
  23        .get_rate = at91_slow_clk_get_rate,
  24};
  25
  26static const struct udevice_id at91_slow_clk_match[] = {
  27        { .compatible = "atmel,at91sam9x5-clk-slow" },
  28        {}
  29};
  30
  31U_BOOT_DRIVER(at91_slow_clk) = {
  32        .name = "at91-slow-clk",
  33        .id = UCLASS_CLK,
  34        .of_match = at91_slow_clk_match,
  35        .ops = &at91_slow_clk_ops,
  36};
  37