LXR linux/drivers/pinctrl/mediatek/pinctrl-mt6397.c

   1// SPDX-License-Identifier: GPL-2.0-only
   2/*
   3 * Copyright (c) 2015 MediaTek Inc.
   4 * Author: Hongzhou.Yang <hongzhou.yang@mediatek.com>
   5 */
   6
   7#include <linux/init.h>
   8#include <linux/platform_device.h>
   9#include <linux/of.h>
  10#include <linux/of_device.h>
  11#include <linux/pinctrl/pinctrl.h>
  12#include <linux/pinctrl/pinconf-generic.h>
  13#include <linux/mfd/mt6397/core.h>
  14
  15#include "pinctrl-mtk-common.h"
  16#include "pinctrl-mtk-mt6397.h"
  17
  18#define MT6397_PIN_REG_BASE  0xc000
  19
  20static const struct mtk_pinctrl_devdata mt6397_pinctrl_data = {
  21        .pins = mtk_pins_mt6397,
  22        .npins = ARRAY_SIZE(mtk_pins_mt6397),
  23        .dir_offset = (MT6397_PIN_REG_BASE + 0x000),
  24        .ies_offset = MTK_PINCTRL_NOT_SUPPORT,
  25        .smt_offset = MTK_PINCTRL_NOT_SUPPORT,
  26        .pullen_offset = (MT6397_PIN_REG_BASE + 0x020),
  27        .pullsel_offset = (MT6397_PIN_REG_BASE + 0x040),
  28        .dout_offset = (MT6397_PIN_REG_BASE + 0x080),
  29        .din_offset = (MT6397_PIN_REG_BASE + 0x0a0),
  30        .pinmux_offset = (MT6397_PIN_REG_BASE + 0x0c0),
  31        .type1_start = 41,
  32        .type1_end = 41,
  33        .port_shf = 3,
  34        .port_mask = 0x3,
  35        .port_align = 2,
  36};
  37
  38static int mt6397_pinctrl_probe(struct platform_device *pdev)
  39{
  40        struct mt6397_chip *mt6397;
  41
  42        mt6397 = dev_get_drvdata(pdev->dev.parent);
  43        return mtk_pctrl_init(pdev, &mt6397_pinctrl_data, mt6397->regmap);
  44}
  45
  46static const struct of_device_id mt6397_pctrl_match[] = {
  47        { .compatible = "mediatek,mt6397-pinctrl", },
  48        { }
  49};
  50
  51static struct platform_driver mtk_pinctrl_driver = {
  52        .probe = mt6397_pinctrl_probe,
  53        .driver = {
  54                .name = "mediatek-mt6397-pinctrl",
  55                .of_match_table = mt6397_pctrl_match,
  56        },
  57};
  58
  59builtin_platform_driver(mtk_pinctrl_driver);
  60