2 * (C) Copyright 2015 Google, Inc
4 * SPDX-License-Identifier: GPL-2.0
13 struct sandbox_clk_priv
{
15 ulong periph_rate
[PERIPH_ID_COUNT
];
18 static ulong
sandbox_clk_get_rate(struct udevice
*dev
)
20 struct sandbox_clk_priv
*priv
= dev_get_priv(dev
);
25 static ulong
sandbox_clk_set_rate(struct udevice
*dev
, ulong rate
)
27 struct sandbox_clk_priv
*priv
= dev_get_priv(dev
);
35 static ulong
sandbox_get_periph_rate(struct udevice
*dev
, int periph
)
37 struct sandbox_clk_priv
*priv
= dev_get_priv(dev
);
39 if (periph
< PERIPH_ID_FIRST
|| periph
>= PERIPH_ID_COUNT
)
41 return priv
->periph_rate
[periph
];
44 static ulong
sandbox_set_periph_rate(struct udevice
*dev
, int periph
,
47 struct sandbox_clk_priv
*priv
= dev_get_priv(dev
);
50 if (periph
< PERIPH_ID_FIRST
|| periph
>= PERIPH_ID_COUNT
)
52 old_rate
= priv
->periph_rate
[periph
];
53 priv
->periph_rate
[periph
] = rate
;
58 static int sandbox_clk_probe(struct udevice
*dev
)
60 struct sandbox_clk_priv
*priv
= dev_get_priv(dev
);
62 priv
->rate
= SANDBOX_CLK_RATE
;
67 static struct clk_ops sandbox_clk_ops
= {
68 .get_rate
= sandbox_clk_get_rate
,
69 .set_rate
= sandbox_clk_set_rate
,
70 .get_periph_rate
= sandbox_get_periph_rate
,
71 .set_periph_rate
= sandbox_set_periph_rate
,
74 static const struct udevice_id sandbox_clk_ids
[] = {
75 { .compatible
= "sandbox,clk" },
79 U_BOOT_DRIVER(clk_sandbox
) = {
80 .name
= "clk_sandbox",
82 .of_match
= sandbox_clk_ids
,
83 .ops
= &sandbox_clk_ops
,
84 .priv_auto_alloc_size
= sizeof(struct sandbox_clk_priv
),
85 .probe
= sandbox_clk_probe
,