blob: 4cbc0f70f4503a635ef75945e1d32babb04a5687 [file] [log] [blame]
/*
* Copyright (c) 2021, STMicroelectronics - All Rights Reserved
* Author(s): Ludovic Barre, <ludovic.barre@st.com> for STMicroelectronics.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
#include <errno.h>
#include <stdbool.h>
#include <drivers/clk.h>
static const struct clk_ops *ops;
int clk_enable(unsigned long id)
{
assert((ops != NULL) && (ops->enable != NULL));
return ops->enable(id);
}
void clk_disable(unsigned long id)
{
assert((ops != NULL) && (ops->disable != NULL));
ops->disable(id);
}
unsigned long clk_get_rate(unsigned long id)
{
assert((ops != NULL) && (ops->get_rate != NULL));
return ops->get_rate(id);
}
int clk_get_parent(unsigned long id)
{
assert((ops != NULL) && (ops->get_parent != NULL));
return ops->get_parent(id);
}
bool clk_is_enabled(unsigned long id)
{
assert((ops != NULL) && (ops->is_enabled != NULL));
return ops->is_enabled(id);
}
/*
* Initialize the clk. The fields in the provided clk
* ops pointer must be valid.
*/
void clk_register(const struct clk_ops *ops_ptr)
{
assert((ops_ptr != NULL) &&
(ops_ptr->enable != NULL) &&
(ops_ptr->disable != NULL) &&
(ops_ptr->get_rate != NULL) &&
(ops_ptr->get_parent != NULL) &&
(ops_ptr->is_enabled != NULL));
ops = ops_ptr;
}