2 * (C) Copyright 2015 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0
8 #include <clk-uclass.h>
13 struct sandbox_clk_priv {
14 ulong rate[SANDBOX_CLK_ID_COUNT];
15 bool enabled[SANDBOX_CLK_ID_COUNT];
18 static ulong sandbox_clk_get_rate(struct clk *clk)
20 struct sandbox_clk_priv *priv = dev_get_priv(clk->dev);
22 if (clk->id >= SANDBOX_CLK_ID_COUNT)
25 return priv->rate[clk->id];
28 static ulong sandbox_clk_set_rate(struct clk *clk, ulong rate)
30 struct sandbox_clk_priv *priv = dev_get_priv(clk->dev);
33 if (clk->id >= SANDBOX_CLK_ID_COUNT)
39 old_rate = priv->rate[clk->id];
40 priv->rate[clk->id] = rate;
45 static int sandbox_clk_enable(struct clk *clk)
47 struct sandbox_clk_priv *priv = dev_get_priv(clk->dev);
49 if (clk->id >= SANDBOX_CLK_ID_COUNT)
52 priv->enabled[clk->id] = true;
57 static int sandbox_clk_disable(struct clk *clk)
59 struct sandbox_clk_priv *priv = dev_get_priv(clk->dev);
61 if (clk->id >= SANDBOX_CLK_ID_COUNT)
64 priv->enabled[clk->id] = false;
69 static struct clk_ops sandbox_clk_ops = {
70 .get_rate = sandbox_clk_get_rate,
71 .set_rate = sandbox_clk_set_rate,
72 .enable = sandbox_clk_enable,
73 .disable = sandbox_clk_disable,
76 static const struct udevice_id sandbox_clk_ids[] = {
77 { .compatible = "sandbox,clk" },
81 U_BOOT_DRIVER(clk_sandbox) = {
82 .name = "clk_sandbox",
84 .of_match = sandbox_clk_ids,
85 .ops = &sandbox_clk_ops,
86 .priv_auto_alloc_size = sizeof(struct sandbox_clk_priv),
89 ulong sandbox_clk_query_rate(struct udevice *dev, int id)
91 struct sandbox_clk_priv *priv = dev_get_priv(dev);
93 if (id < 0 || id >= SANDBOX_CLK_ID_COUNT)
96 return priv->rate[id];
99 int sandbox_clk_query_enable(struct udevice *dev, int id)
101 struct sandbox_clk_priv *priv = dev_get_priv(dev);
103 if (id < 0 || id >= SANDBOX_CLK_ID_COUNT)
106 return priv->enabled[id];