72 lines
1.3 KiB
C
72 lines
1.3 KiB
C
/*
|
|
* Copyright (C) 2016 Atmel Corporation
|
|
* Wenyou.Yang <wenyou.yang@atmel.com>
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <clk-uclass.h>
|
|
#include <dm/device.h>
|
|
#include <dm/lists.h>
|
|
#include <dm/root.h>
|
|
#include "pmc.h"
|
|
|
|
DECLARE_GLOBAL_DATA_PTR;
|
|
|
|
static int at91_pmc_bind(struct udevice *dev)
|
|
{
|
|
return dm_scan_fdt_node(dev, gd->fdt_blob, dev->of_offset, false);
|
|
}
|
|
|
|
static const struct udevice_id at91_pmc_match[] = {
|
|
{ .compatible = "atmel,sama5d2-pmc" },
|
|
{}
|
|
};
|
|
|
|
U_BOOT_DRIVER(at91_pmc) = {
|
|
.name = "at91-pmc-core",
|
|
.id = UCLASS_CLK,
|
|
.of_match = at91_pmc_match,
|
|
.bind = at91_pmc_bind,
|
|
};
|
|
|
|
int at91_pmc_core_probe(struct udevice *dev)
|
|
{
|
|
struct pmc_platdata *plat = dev_get_platdata(dev);
|
|
|
|
dev = dev_get_parent(dev);
|
|
|
|
plat->reg_base = (struct at91_pmc *)dev_get_addr_ptr(dev);
|
|
|
|
return 0;
|
|
}
|
|
|
|
int at91_pmc_clk_node_bind(struct udevice *dev)
|
|
{
|
|
const void *fdt = gd->fdt_blob;
|
|
int offset = dev->of_offset;
|
|
const char *name;
|
|
int ret;
|
|
|
|
for (offset = fdt_first_subnode(fdt, offset);
|
|
offset > 0;
|
|
offset = fdt_next_subnode(fdt, offset)) {
|
|
name = fdt_get_name(fdt, offset, NULL);
|
|
if (!name)
|
|
return -EINVAL;
|
|
|
|
ret = device_bind_driver_to_node(dev, "clk", name,
|
|
offset, NULL);
|
|
if (ret)
|
|
return ret;
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
U_BOOT_DRIVER(clk_generic) = {
|
|
.id = UCLASS_CLK,
|
|
.name = "clk",
|
|
};
|