linux/drivers/clocksource/ingenic-ost.c

// SPDX-License-Identifier: GPL-2.0
/*
 * JZ47xx SoCs TCU Operating System Timer driver
 *
 * Copyright (C) 2016 Maarten ter Huurne <[email protected]>
 * Copyright (C) 2020 Paul Cercueil <[email protected]>
 */

#include <linux/clk.h>
#include <linux/clocksource.h>
#include <linux/mfd/ingenic-tcu.h>
#include <linux/mfd/syscon.h>
#include <linux/of.h>
#include <linux/platform_device.h>
#include <linux/pm.h>
#include <linux/regmap.h>
#include <linux/sched_clock.h>

#define TCU_OST_TCSR_MASK …
#define TCU_OST_TCSR_CNT_MD …

#define TCU_OST_CHANNEL …

/*
 * The TCU_REG_OST_CNT{L,R} from <linux/mfd/ingenic-tcu.h> are only for the
 * regmap; these are for use with the __iomem pointer.
 */
#define OST_REG_CNTL …
#define OST_REG_CNTH …

struct ingenic_ost_soc_info { … };

struct ingenic_ost { … };

static struct ingenic_ost *ingenic_ost;

static u64 notrace ingenic_ost_read_cntl(void)
{ … }

static u64 notrace ingenic_ost_read_cnth(void)
{ … }

static u64 notrace ingenic_ost_clocksource_readl(struct clocksource *cs)
{ … }

static u64 notrace ingenic_ost_clocksource_readh(struct clocksource *cs)
{ … }

static int __init ingenic_ost_probe(struct platform_device *pdev)
{ … }

static int ingenic_ost_suspend(struct device *dev)
{ … }

static int ingenic_ost_resume(struct device *dev)
{ … }

static const struct dev_pm_ops ingenic_ost_pm_ops = …;

static const struct ingenic_ost_soc_info jz4725b_ost_soc_info = …;

static const struct ingenic_ost_soc_info jz4760b_ost_soc_info = …;

static const struct of_device_id ingenic_ost_of_match[] = …;

static struct platform_driver ingenic_ost_driver = …;
builtin_platform_driver_probe(…);