linux/drivers/clocksource/timer-imx-sysctr.c

// SPDX-License-Identifier: GPL-2.0+
//
// Copyright 2017-2019 NXP

#include <linux/interrupt.h>
#include <linux/clockchips.h>
#include <linux/slab.h>

#include "timer-of.h"

#define CMP_OFFSET …
#define RD_OFFSET …

#define CNTCV_LO …
#define CNTCV_HI …
#define CMPCV_LO …
#define CMPCV_HI …
#define CMPCR …
#define CNTCV_LO_IMX95 …
#define CNTCV_HI_IMX95 …

#define SYS_CTR_EN …
#define SYS_CTR_IRQ_MASK …

#define SYS_CTR_CLK_DIV …

struct sysctr_private { … };

static void sysctr_timer_enable(struct clock_event_device *evt, bool enable)
{ … }

static void sysctr_irq_acknowledge(struct clock_event_device *evt)
{ … }

static inline u64 sysctr_read_counter(struct clock_event_device *evt)
{ … }

static int sysctr_set_next_event(unsigned long delta,
				 struct clock_event_device *evt)
{ … }

static int sysctr_set_state_oneshot(struct clock_event_device *evt)
{ … }

static int sysctr_set_state_shutdown(struct clock_event_device *evt)
{ … }

static irqreturn_t sysctr_timer_interrupt(int irq, void *dev_id)
{ … }

static struct timer_of to_sysctr = …;

static int __init __sysctr_timer_init(struct device_node *np)
{ … }

static int __init sysctr_timer_init(struct device_node *np)
{ … }

static int __init sysctr_timer_imx95_init(struct device_node *np)
{ … }

TIMER_OF_DECLARE(sysctr_timer, "nxp,sysctr-timer", sysctr_timer_init);
TIMER_OF_DECLARE(sysctr_timer_imx95, "nxp,imx95-sysctr-timer", sysctr_timer_imx95_init);