linux-imx

// SPDX-License-Identifier: GPL-2.0+

//

// Copyright (C) 2015-2017 Socionext Inc.

//   Author: Masahiro Yamada <yamada.masahiro@socionext.com>

​

#include <linux/list.h>

#include <linux/mfd/syscon.h>

#include <linux/of.h>

#include <linux/pinctrl/pinconf.h>

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

#include <linux/pinctrl/pinctrl.h>

#include <linux/pinctrl/pinmux.h>

#include <linux/platform_device.h>

#include <linux/regmap.h>

​

#include "../core.h"

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

#include "pinctrl-uniphier.h"

​

#define UNIPHIER_PINCTRL_PINMUX_BASE    0x1000

#define UNIPHIER_PINCTRL_LOAD_PINMUX    0x1700

#define UNIPHIER_PINCTRL_DRVCTRL_BASE   0x1800

#define UNIPHIER_PINCTRL_DRV2CTRL_BASE  0x1900

#define UNIPHIER_PINCTRL_DRV3CTRL_BASE  0x1980

#define UNIPHIER_PINCTRL_PUPDCTRL_BASE  0x1a00

#define UNIPHIER_PINCTRL_IECTRL_BASE    0x1d00

​

struct uniphier_pinctrl_reg_region {

    struct list_head node;

    unsigned int base;

    unsigned int nregs;

    u32 vals[0];

};

​

struct uniphier_pinctrl_priv {

    struct pinctrl_desc pctldesc;

    struct pinctrl_dev *pctldev;

    struct regmap *regmap;

    const struct uniphier_pinctrl_socdata *socdata;

    struct list_head reg_regions;

};

​

static int uniphier_pctl_get_groups_count(struct pinctrl_dev *pctldev)

{

    struct uniphier_pinctrl_priv *priv = pinctrl_dev_get_drvdata(pctldev);

​

    return priv->socdata->groups_count;

}

​

static const char *uniphier_pctl_get_group_name(struct pinctrl_dev *pctldev,

                        unsigned selector)

{

    struct uniphier_pinctrl_priv *priv = pinctrl_dev_get_drvdata(pctldev);

​

    return priv->socdata->groups[selector].name;

}

​

static int uniphier_pctl_get_group_pins(struct pinctrl_dev *pctldev,

                    unsigned selector,

                    const unsigned **pins,

                    unsigned *num_pins)

{

    struct uniphier_pinctrl_priv *priv = pinctrl_dev_get_drvdata(pctldev);