linux/drivers/pmdomain/renesas/rmobile-sysc.c

// SPDX-License-Identifier: GPL-2.0
/*
 * rmobile power management support
 *
 * Copyright (C) 2012  Renesas Solutions Corp.
 * Copyright (C) 2012  Kuninori Morimoto <[email protected]>
 * Copyright (C) 2014  Glider bvba
 *
 * based on pm-sh7372.c
 *  Copyright (C) 2011 Magnus Damm
 */
#include <linux/clk/renesas.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/iopoll.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/pm.h>
#include <linux/pm_clock.h>
#include <linux/pm_domain.h>
#include <linux/slab.h>

/* SYSC */
#define SPDCR …
#define SWUCR …
#define PSTR …

#define PSTR_RETRIES …
#define PSTR_DELAY_US …

struct rmobile_pm_domain { … };

static inline
struct rmobile_pm_domain *to_rmobile_pd(struct generic_pm_domain *d)
{ … }

static int rmobile_pd_power_down(struct generic_pm_domain *genpd)
{ … }

static int __rmobile_pd_power_up(struct rmobile_pm_domain *rmobile_pd)
{ … }

static int rmobile_pd_power_up(struct generic_pm_domain *genpd)
{ … }

static void rmobile_init_pm_domain(struct rmobile_pm_domain *rmobile_pd)
{ … }

static int rmobile_pd_suspend_console(void)
{ … }

enum pd_types { … };

#define MAX_NUM_SPECIAL_PDS …

static struct special_pd { … } special_pds[MAX_NUM_SPECIAL_PDS] __initdata;

static unsigned int num_special_pds __initdata;

static const struct of_device_id special_ids[] __initconst = …;

static void __init add_special_pd(struct device_node *np, enum pd_types type)
{ … }

static void __init get_special_pds(void)
{ … }

static void __init put_special_pds(void)
{ … }

static enum pd_types __init pd_type(const struct device_node *pd)
{ … }

static void __init rmobile_setup_pm_domain(struct device_node *np,
					   struct rmobile_pm_domain *pd)
{ … }

static int __init rmobile_add_pm_domains(void __iomem *base,
					 struct device_node *parent,
					 struct generic_pm_domain *genpd_parent)
{ … }

static int __init rmobile_init_pm_domains(void)
{ … }

core_initcall(rmobile_init_pm_domains);