mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-10-01 00:50:43 +09:00
caa4daa2ae
We use 'priv' for private data but often use 'platdata' for platform data. We can't really use 'pdata' since that is ambiguous (it could mean private or platform data). Rename some of the latter variables to end with 'plat' for consistency. Signed-off-by: Simon Glass <sjg@chromium.org>
58 lines
1.3 KiB
C
58 lines
1.3 KiB
C
// SPDX-License-Identifier: GPL-2.0+
|
|
/*
|
|
* Copyright (C) 2016 Masahiro Yamada <yamada.masahiro@socionext.com>
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <clk-uclass.h>
|
|
#include <dm.h>
|
|
#include <linux/clk-provider.h>
|
|
|
|
static ulong clk_fixed_rate_get_rate(struct clk *clk)
|
|
{
|
|
return to_clk_fixed_rate(clk->dev)->fixed_rate;
|
|
}
|
|
|
|
/* avoid clk_enable() return -ENOSYS */
|
|
static int dummy_enable(struct clk *clk)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
const struct clk_ops clk_fixed_rate_ops = {
|
|
.get_rate = clk_fixed_rate_get_rate,
|
|
.enable = dummy_enable,
|
|
};
|
|
|
|
static int clk_fixed_rate_ofdata_to_platdata(struct udevice *dev)
|
|
{
|
|
struct clk *clk = &to_clk_fixed_rate(dev)->clk;
|
|
#if !CONFIG_IS_ENABLED(OF_PLATDATA)
|
|
to_clk_fixed_rate(dev)->fixed_rate =
|
|
dev_read_u32_default(dev, "clock-frequency", 0);
|
|
#endif
|
|
/* Make fixed rate clock accessible from higher level struct clk */
|
|
dev->uclass_priv = clk;
|
|
clk->dev = dev;
|
|
clk->enable_count = 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const struct udevice_id clk_fixed_rate_match[] = {
|
|
{
|
|
.compatible = "fixed-clock",
|
|
},
|
|
{ /* sentinel */ }
|
|
};
|
|
|
|
U_BOOT_DRIVER(fixed_clock) = {
|
|
.name = "fixed_clock",
|
|
.id = UCLASS_CLK,
|
|
.of_match = clk_fixed_rate_match,
|
|
.ofdata_to_platdata = clk_fixed_rate_ofdata_to_platdata,
|
|
.plat_auto = sizeof(struct clk_fixed_rate),
|
|
.ops = &clk_fixed_rate_ops,
|
|
.flags = DM_FLAG_PRE_RELOC,
|
|
};
|