linux/drivers/pinctrl/pinctrl-max77620.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * MAX77620 pin control driver.
 *
 * Copyright (c) 2016, NVIDIA CORPORATION.  All rights reserved.
 *
 * Author:
 *	Chaitanya Bandi <[email protected]>
 *	Laxman Dewangan <[email protected]>
 */

#include <linux/mfd/max77620.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/property.h>
#include <linux/regmap.h>

#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinconf-generic.h>
#include <linux/pinctrl/pinconf.h>
#include <linux/pinctrl/pinmux.h>

#include "core.h"
#include "pinconf.h"
#include "pinctrl-utils.h"

#define MAX77620_PIN_NUM …

enum max77620_pin_ppdrv { … };

#define MAX77620_ACTIVE_FPS_SOURCE …
#define MAX77620_ACTIVE_FPS_POWER_ON_SLOTS …
#define MAX77620_ACTIVE_FPS_POWER_DOWN_SLOTS …
#define MAX77620_SUSPEND_FPS_SOURCE …
#define MAX77620_SUSPEND_FPS_POWER_ON_SLOTS …
#define MAX77620_SUSPEND_FPS_POWER_DOWN_SLOTS …

struct max77620_pin_function { … };

static const struct pinconf_generic_params max77620_cfg_params[] = …;

enum max77620_alternate_pinmux_option { … };

struct max77620_pingroup { … };

struct max77620_pin_info { … };

struct max77620_fps_config { … };

struct max77620_pctrl_info { … };

static const struct pinctrl_pin_desc max77620_pins_desc[] = …;

static const char * const gpio_groups[] = …;

#define FUNCTION_GROUP(fname, mux) …

static const struct max77620_pin_function max77620_pin_function[] = …;

#define MAX77620_PINGROUP(pg_name, pin_id, option) …

static const struct max77620_pingroup max77620_pingroups[] = …;

static int max77620_pinctrl_get_groups_count(struct pinctrl_dev *pctldev)
{ … }

static const char *max77620_pinctrl_get_group_name(
		struct pinctrl_dev *pctldev, unsigned int group)
{ … }

static int max77620_pinctrl_get_group_pins(
		struct pinctrl_dev *pctldev, unsigned int group,
		const unsigned int **pins, unsigned int *num_pins)
{ … }

static const struct pinctrl_ops max77620_pinctrl_ops = …;

static int max77620_pinctrl_get_funcs_count(struct pinctrl_dev *pctldev)
{ … }

static const char *max77620_pinctrl_get_func_name(struct pinctrl_dev *pctldev,
						  unsigned int function)
{ … }

static int max77620_pinctrl_get_func_groups(struct pinctrl_dev *pctldev,
					    unsigned int function,
					    const char * const **groups,
					    unsigned int * const num_groups)
{ … }

static int max77620_pinctrl_enable(struct pinctrl_dev *pctldev,
				   unsigned int function, unsigned int group)
{ … }

static const struct pinmux_ops max77620_pinmux_ops = …;

static int max77620_pinconf_get(struct pinctrl_dev *pctldev,
				unsigned int pin, unsigned long *config)
{ … }

static int max77620_get_default_fps(struct max77620_pctrl_info *mpci,
				    int addr, int *fps)
{ … }

static int max77620_set_fps_param(struct max77620_pctrl_info *mpci,
				  int pin, int param)
{ … }

static int max77620_pinconf_set(struct pinctrl_dev *pctldev,
				unsigned int pin, unsigned long *configs,
				unsigned int num_configs)
{ … }

static const struct pinconf_ops max77620_pinconf_ops = …;

static struct pinctrl_desc max77620_pinctrl_desc = …;

static int max77620_pinctrl_probe(struct platform_device *pdev)
{ … }

#ifdef CONFIG_PM_SLEEP
static int max77620_suspend_fps_param[] = …;

static int max77620_active_fps_param[] = …;

static int max77620_pinctrl_suspend(struct device *dev)
{
	struct max77620_pctrl_info *mpci = dev_get_drvdata(dev);
	int pin, p;

	for (pin = 0; pin < MAX77620_PIN_NUM; ++pin) {
		if ((pin < MAX77620_GPIO1) || (pin > MAX77620_GPIO3))
			continue;
		for (p = 0; p < 3; ++p)
			max77620_set_fps_param(
				mpci, pin, max77620_suspend_fps_param[p]);
	}

	return 0;
};

static int max77620_pinctrl_resume(struct device *dev)
{ … }
#endif

static const struct dev_pm_ops max77620_pinctrl_pm_ops = …;

static const struct platform_device_id max77620_pinctrl_devtype[] = …;
MODULE_DEVICE_TABLE(platform, max77620_pinctrl_devtype);

static struct platform_driver max77620_pinctrl_driver = …;

module_platform_driver(…) …;

MODULE_DESCRIPTION(…) …;
MODULE_AUTHOR(…) …;
MODULE_AUTHOR(…) …;
MODULE_LICENSE(…) …;