u-boot/arch/arm/mach-stm32mp/syscon.c

37 lines
733 B
C
Raw Normal View History

// SPDX-License-Identifier: GPL-2.0+ OR BSD-3-Clause
/*
* Copyright (C) 2018, STMicroelectronics - All Rights Reserved
*/
#include <common.h>
#include <clk.h>
#include <dm.h>
#include <syscon.h>
#include <asm/arch/stm32.h>
static const struct udevice_id stm32mp_syscon_ids[] = {
{ .compatible = "st,stm32mp157-syscfg",
.data = STM32MP_SYSCON_SYSCFG },
{ }
};
static int stm32mp_syscon_probe(struct udevice *dev)
{
struct clk_bulk clk_bulk;
int ret;
ret = clk_get_bulk(dev, &clk_bulk);
if (!ret)
clk_enable_bulk(&clk_bulk);
return 0;
}
U_BOOT_DRIVER(syscon_stm32mp) = {
.name = "stmp32mp_syscon",
.id = UCLASS_SYSCON,
.of_match = stm32mp_syscon_ids,
.bind = dm_scan_fdt_dev,
.probe = stm32mp_syscon_probe,
};