1 // SPDX-License-Identifier: GPL-2.0+
2 /*
3  * Copyright 2019 Google LLC
4  * Written by Simon Glass <sjg@chromium.org>
5  */
6 
7 #include <common.h>
8 #include <dm.h>
9 #include <clk-uclass.h>
10 #include <dt-bindings/clock/intel-clock.h>
11 
intel_clk_get_rate(struct clk * clk)12 static ulong intel_clk_get_rate(struct clk *clk)
13 {
14 	switch (clk->id) {
15 	case CLK_I2C:
16 		/* Hard-coded to 133MHz on current platforms */
17 		return 133333333;
18 	default:
19 		return -ENODEV;
20 	}
21 }
22 
23 static struct clk_ops intel_clk_ops = {
24 	.get_rate	= intel_clk_get_rate,
25 };
26 
27 static const struct udevice_id intel_clk_ids[] = {
28 	{ .compatible = "intel,apl-clk" },
29 	{ }
30 };
31 
32 U_BOOT_DRIVER(intel_apl_clk) = {
33 	.name		= "intel_apl_clk",
34 	.id		= UCLASS_CLK,
35 	.of_match	= intel_clk_ids,
36 	.ops		= &intel_clk_ops,
37 };
38