zephyr/drivers/timer/sys_clock_init.c

54 lines
995 B
C

/*
* Copyright (c) 2015 Wind River Systems, Inc.
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @file
* @brief Initialize system clock driver
*
* Initializing the timer driver is done in this module to reduce code
* duplication.
*/
#include <kernel.h>
#include <init.h>
#include <drivers/timer/system_timer.h>
/* Weak-linked noop defaults for optional driver interfaces*/
void __weak sys_clock_isr(void *arg)
{
__ASSERT_NO_MSG(false);
}
int __weak sys_clock_driver_init(const struct device *dev)
{
ARG_UNUSED(dev);
return 0;
}
int __weak sys_clock_device_ctrl(const struct device *dev,
uint32_t ctrl_command,
void *context, device_pm_cb cb, void *arg)
{
return -ENOTSUP;
}
void __weak sys_clock_set_timeout(int32_t ticks, bool idle)
{
}
void __weak sys_clock_idle_exit(void)
{
}
void __weak sys_clock_disable(void)
{
}
SYS_DEVICE_DEFINE("sys_clock", sys_clock_driver_init, sys_clock_device_ctrl,
PRE_KERNEL_2, CONFIG_SYSTEM_CLOCK_INIT_PRIORITY);