linux/drivers/pinctrl/berlin/berlin.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Marvell Berlin SoC pinctrl core driver
 *
 * Copyright (C) 2014 Marvell Technology Group Ltd.
 *
 * Antoine Ténart <[email protected]>
 */

#include <linux/io.h>
#include <linux/mfd/syscon.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_device.h>
#include <linux/pinctrl/pinctrl.h>
#include <linux/pinctrl/pinmux.h>
#include <linux/platform_device.h>
#include <linux/regmap.h>
#include <linux/slab.h>

#include "../core.h"
#include "../pinctrl-utils.h"
#include "berlin.h"

struct berlin_pinctrl { … };

static int berlin_pinctrl_get_group_count(struct pinctrl_dev *pctrl_dev)
{ … }

static const char *berlin_pinctrl_get_group_name(struct pinctrl_dev *pctrl_dev,
						 unsigned group)
{ … }

static int berlin_pinctrl_dt_node_to_map(struct pinctrl_dev *pctrl_dev,
					 struct device_node *node,
					 struct pinctrl_map **map,
					 unsigned *num_maps)
{ … }

static const struct pinctrl_ops berlin_pinctrl_ops = …;

static int berlin_pinmux_get_functions_count(struct pinctrl_dev *pctrl_dev)
{ … }

static const char *berlin_pinmux_get_function_name(struct pinctrl_dev *pctrl_dev,
						   unsigned function)
{ … }

static int berlin_pinmux_get_function_groups(struct pinctrl_dev *pctrl_dev,
					     unsigned function,
					     const char * const **groups,
					     unsigned * const ngroups)
{ … }

static struct berlin_desc_function *
berlin_pinctrl_find_function_by_name(struct berlin_pinctrl *pctrl,
				     const struct berlin_desc_group *group,
				     const char *fname)
{ … }

static int berlin_pinmux_set(struct pinctrl_dev *pctrl_dev,
			     unsigned function,
			     unsigned group)
{ … }

static const struct pinmux_ops berlin_pinmux_ops = …;

static int berlin_pinctrl_add_function(struct berlin_pinctrl *pctrl,
				       const char *name)
{ … }

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

static struct pinctrl_desc berlin_pctrl_desc = …;

int berlin_pinctrl_probe_regmap(struct platform_device *pdev,
				const struct berlin_pinctrl_desc *desc,
				struct regmap *regmap)
{ … }

int berlin_pinctrl_probe(struct platform_device *pdev,
			 const struct berlin_pinctrl_desc *desc)
{ … }