tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
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 .mode_mask = 0xf,
37 .mode_per_reg = 5,
38 .mode_shf = 4,
39};
40
41static int mt6397_pinctrl_probe(struct platform_device *pdev)
42{
43 struct mt6397_chip *mt6397;
44
45 mt6397 = dev_get_drvdata(pdev->dev.parent);
46 return mtk_pctrl_init(pdev, &mt6397_pinctrl_data, mt6397->regmap);
47}
48
49static const struct of_device_id mt6397_pctrl_match[] = {
50 { .compatible = "mediatek,mt6397-pinctrl", },
51 { }
52};
53
54static struct platform_driver mtk_pinctrl_driver = {
55 .probe = mt6397_pinctrl_probe,
56 .driver = {
57 .name = "mediatek-mt6397-pinctrl",
58 .of_match_table = mt6397_pctrl_match,
59 },
60};
61
62builtin_platform_driver(mtk_pinctrl_driver);