u-boot/drivers/clk/intel/clk_intel.c

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// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright 2019 Google LLC
* Written by Simon Glass <sjg@chromium.org>
*/
#include <common.h>
#include <dm.h>
#include <clk-uclass.h>
#include <dt-bindings/clock/intel-clock.h>
static ulong intel_clk_get_rate(struct clk *clk)
{
switch (clk->id) {
case CLK_I2C:
/* Hard-coded to 133MHz on current platforms */
return 133333333;
default:
return -ENODEV;
}
}
static struct clk_ops intel_clk_ops = {
.get_rate = intel_clk_get_rate,
};
static const struct udevice_id intel_clk_ids[] = {
{ .compatible = "intel,apl-clk" },
{ }
};
U_BOOT_DRIVER(clk_intel) = {
.name = "clk_intel",
.id = UCLASS_CLK,
.of_match = intel_clk_ids,
.ops = &intel_clk_ops,
};