pinctrl/mediatek/pinctrl-mt6397.c

0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003  * Copyright (c) 2015 MediaTek Inc.
0004  * Author: Hongzhou.Yang <hongzhou.yang@mediatek.com>
0005  */
0006
0007 #include <linux/init.h>
0008 #include <linux/platform_device.h>
0009 #include <linux/of.h>
0010 #include <linux/of_device.h>
0011 #include <linux/pinctrl/pinctrl.h>
0012 #include <linux/pinctrl/pinconf-generic.h>
0013 #include <linux/mfd/mt6397/core.h>
0014
0015 #include "pinctrl-mtk-common.h"
0016 #include "pinctrl-mtk-mt6397.h"
0017
0018 #define MT6397_PIN_REG_BASE  0xc000
0019
0020 static const struct mtk_pinctrl_devdata mt6397_pinctrl_data = {
0021     .pins = mtk_pins_mt6397,
0022     .npins = ARRAY_SIZE(mtk_pins_mt6397),
0023     .dir_offset = (MT6397_PIN_REG_BASE + 0x000),
0024     .ies_offset = MTK_PINCTRL_NOT_SUPPORT,
0025     .smt_offset = MTK_PINCTRL_NOT_SUPPORT,
0026     .pullen_offset = (MT6397_PIN_REG_BASE + 0x020),
0027     .pullsel_offset = (MT6397_PIN_REG_BASE + 0x040),
0028     .dout_offset = (MT6397_PIN_REG_BASE + 0x080),
0029     .din_offset = (MT6397_PIN_REG_BASE + 0x0a0),
0030     .pinmux_offset = (MT6397_PIN_REG_BASE + 0x0c0),
0031     .type1_start = 41,
0032     .type1_end = 41,
0033     .port_shf = 3,
0034     .port_mask = 0x3,
0035     .port_align = 2,
0036     .mode_mask = 0xf,
0037     .mode_per_reg = 5,
0038     .mode_shf = 4,
0039 };
0040
0041 static int mt6397_pinctrl_probe(struct platform_device *pdev)
0042 {
0043     struct mt6397_chip *mt6397;
0044
0045     mt6397 = dev_get_drvdata(pdev->dev.parent);
0046     return mtk_pctrl_init(pdev, &mt6397_pinctrl_data, mt6397->regmap);
0047 }
0048
0049 static const struct of_device_id mt6397_pctrl_match[] = {
0050     { .compatible = "mediatek,mt6397-pinctrl", },
0051     { }
0052 };
0053
0054 static struct platform_driver mtk_pinctrl_driver = {
0055     .probe = mt6397_pinctrl_probe,
0056     .driver = {
0057         .name = "mediatek-mt6397-pinctrl",
0058         .of_match_table = mt6397_pctrl_match,
0059     },
0060 };
0061
0062 builtin_platform_driver(mtk_pinctrl_driver);