340 lines
11 KiB
C
340 lines
11 KiB
C
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// SPDX-License-Identifier: GPL-2.0-only
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/*
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* Copyright (c) 2014 MediaTek Inc.
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* Author: Hongzhou.Yang <hongzhou.yang@mediatek.com>
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/of.h>
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#include <linux/of_device.h>
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#include <linux/pinctrl/pinctrl.h>
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#include <linux/regmap.h>
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#include <dt-bindings/pinctrl/mt65xx.h>
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#include "pinctrl-mtk-common.h"
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#include "pinctrl-mtk-mt8135.h"
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#define DRV_BASE1 0x500
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#define DRV_BASE2 0x510
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#define PUPD_BASE1 0x400
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#define PUPD_BASE2 0x450
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#define R0_BASE1 0x4d0
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#define R1_BASE1 0x200
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#define R1_BASE2 0x250
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struct mtk_spec_pull_set {
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unsigned char pin;
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unsigned char pupd_bit;
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unsigned short pupd_offset;
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unsigned short r0_offset;
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unsigned short r1_offset;
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unsigned char r0_bit;
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unsigned char r1_bit;
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};
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#define SPEC_PULL(_pin, _pupd_offset, _pupd_bit, _r0_offset, \
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_r0_bit, _r1_offset, _r1_bit) \
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{ \
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.pin = _pin, \
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.pupd_offset = _pupd_offset, \
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.pupd_bit = _pupd_bit, \
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.r0_offset = _r0_offset, \
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.r0_bit = _r0_bit, \
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.r1_offset = _r1_offset, \
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.r1_bit = _r1_bit, \
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}
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static const struct mtk_drv_group_desc mt8135_drv_grp[] = {
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/* E8E4E2 2/4/6/8/10/12/14/16 */
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MTK_DRV_GRP(2, 16, 0, 2, 2),
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/* E8E4 4/8/12/16 */
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MTK_DRV_GRP(4, 16, 1, 2, 4),
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/* E4E2 2/4/6/8 */
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MTK_DRV_GRP(2, 8, 0, 1, 2),
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/* E16E8E4 4/8/12/16/20/24/28/32 */
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MTK_DRV_GRP(4, 32, 0, 2, 4)
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};
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static const struct mtk_pin_drv_grp mt8135_pin_drv[] = {
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MTK_PIN_DRV_GRP(0, DRV_BASE1, 0, 0),
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MTK_PIN_DRV_GRP(1, DRV_BASE1, 0, 0),
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MTK_PIN_DRV_GRP(2, DRV_BASE1, 0, 0),
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MTK_PIN_DRV_GRP(3, DRV_BASE1, 0, 0),
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MTK_PIN_DRV_GRP(4, DRV_BASE1, 4, 0),
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MTK_PIN_DRV_GRP(5, DRV_BASE1, 8, 0),
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MTK_PIN_DRV_GRP(6, DRV_BASE1, 0, 0),
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MTK_PIN_DRV_GRP(7, DRV_BASE1, 0, 0),
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MTK_PIN_DRV_GRP(8, DRV_BASE1, 0, 0),
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MTK_PIN_DRV_GRP(9, DRV_BASE1, 0, 0),
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MTK_PIN_DRV_GRP(10, DRV_BASE1, 12, 1),
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MTK_PIN_DRV_GRP(11, DRV_BASE1, 12, 1),
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MTK_PIN_DRV_GRP(12, DRV_BASE1, 12, 1),
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MTK_PIN_DRV_GRP(13, DRV_BASE1, 12, 1),
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MTK_PIN_DRV_GRP(14, DRV_BASE1, 12, 1),
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MTK_PIN_DRV_GRP(15, DRV_BASE1, 12, 1),
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MTK_PIN_DRV_GRP(16, DRV_BASE1, 12, 1),
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MTK_PIN_DRV_GRP(17, DRV_BASE1, 16, 1),
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MTK_PIN_DRV_GRP(18, DRV_BASE1, 16, 1),
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MTK_PIN_DRV_GRP(19, DRV_BASE1, 16, 1),
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MTK_PIN_DRV_GRP(20, DRV_BASE1, 16, 1),
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MTK_PIN_DRV_GRP(21, DRV_BASE1, 16, 1),
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MTK_PIN_DRV_GRP(22, DRV_BASE1, 16, 1),
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MTK_PIN_DRV_GRP(23, DRV_BASE1, 16, 1),
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MTK_PIN_DRV_GRP(24, DRV_BASE1, 16, 1),
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MTK_PIN_DRV_GRP(33, DRV_BASE1, 24, 1),
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MTK_PIN_DRV_GRP(34, DRV_BASE2, 12, 2),
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MTK_PIN_DRV_GRP(37, DRV_BASE2, 20, 1),
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MTK_PIN_DRV_GRP(38, DRV_BASE2, 20, 1),
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MTK_PIN_DRV_GRP(39, DRV_BASE2, 20, 1),
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MTK_PIN_DRV_GRP(40, DRV_BASE2, 24, 1),
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MTK_PIN_DRV_GRP(41, DRV_BASE2, 24, 1),
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MTK_PIN_DRV_GRP(42, DRV_BASE2, 24, 1),
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MTK_PIN_DRV_GRP(43, DRV_BASE2, 28, 1),
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MTK_PIN_DRV_GRP(44, DRV_BASE2, 28, 1),
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MTK_PIN_DRV_GRP(45, DRV_BASE2, 28, 1),
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MTK_PIN_DRV_GRP(46, DRV_BASE2, 28, 1),
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MTK_PIN_DRV_GRP(47, DRV_BASE2, 28, 1),
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MTK_PIN_DRV_GRP(49, DRV_BASE2+0x10, 0, 1),
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MTK_PIN_DRV_GRP(50, DRV_BASE2+0x10, 4, 1),
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MTK_PIN_DRV_GRP(51, DRV_BASE2+0x10, 8, 1),
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MTK_PIN_DRV_GRP(52, DRV_BASE2+0x10, 12, 2),
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MTK_PIN_DRV_GRP(53, DRV_BASE2+0x10, 16, 1),
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MTK_PIN_DRV_GRP(54, DRV_BASE2+0x10, 20, 1),
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MTK_PIN_DRV_GRP(55, DRV_BASE2+0x10, 24, 1),
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MTK_PIN_DRV_GRP(56, DRV_BASE2+0x10, 28, 1),
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MTK_PIN_DRV_GRP(57, DRV_BASE2+0x20, 0, 1),
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MTK_PIN_DRV_GRP(58, DRV_BASE2+0x20, 0, 1),
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MTK_PIN_DRV_GRP(59, DRV_BASE2+0x20, 0, 1),
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MTK_PIN_DRV_GRP(60, DRV_BASE2+0x20, 0, 1),
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MTK_PIN_DRV_GRP(61, DRV_BASE2+0x20, 0, 1),
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MTK_PIN_DRV_GRP(62, DRV_BASE2+0x20, 0, 1),
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MTK_PIN_DRV_GRP(63, DRV_BASE2+0x20, 4, 1),
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MTK_PIN_DRV_GRP(64, DRV_BASE2+0x20, 8, 1),
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MTK_PIN_DRV_GRP(65, DRV_BASE2+0x20, 12, 1),
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MTK_PIN_DRV_GRP(66, DRV_BASE2+0x20, 16, 1),
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MTK_PIN_DRV_GRP(67, DRV_BASE2+0x20, 20, 1),
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MTK_PIN_DRV_GRP(68, DRV_BASE2+0x20, 24, 1),
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MTK_PIN_DRV_GRP(69, DRV_BASE2+0x20, 28, 1),
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MTK_PIN_DRV_GRP(70, DRV_BASE2+0x30, 0, 1),
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MTK_PIN_DRV_GRP(71, DRV_BASE2+0x30, 4, 1),
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MTK_PIN_DRV_GRP(72, DRV_BASE2+0x30, 8, 1),
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MTK_PIN_DRV_GRP(73, DRV_BASE2+0x30, 12, 1),
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MTK_PIN_DRV_GRP(74, DRV_BASE2+0x30, 16, 1),
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MTK_PIN_DRV_GRP(75, DRV_BASE2+0x30, 20, 1),
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MTK_PIN_DRV_GRP(76, DRV_BASE2+0x30, 24, 1),
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MTK_PIN_DRV_GRP(77, DRV_BASE2+0x30, 28, 3),
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MTK_PIN_DRV_GRP(78, DRV_BASE2+0x30, 28, 3),
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MTK_PIN_DRV_GRP(79, DRV_BASE2+0x40, 0, 3),
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MTK_PIN_DRV_GRP(80, DRV_BASE2+0x40, 4, 3),
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MTK_PIN_DRV_GRP(81, DRV_BASE2+0x30, 28, 3),
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MTK_PIN_DRV_GRP(82, DRV_BASE2+0x30, 28, 3),
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MTK_PIN_DRV_GRP(83, DRV_BASE2+0x40, 8, 3),
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MTK_PIN_DRV_GRP(84, DRV_BASE2+0x40, 8, 3),
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MTK_PIN_DRV_GRP(85, DRV_BASE2+0x40, 12, 3),
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MTK_PIN_DRV_GRP(86, DRV_BASE2+0x40, 16, 3),
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MTK_PIN_DRV_GRP(87, DRV_BASE2+0x40, 8, 3),
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MTK_PIN_DRV_GRP(88, DRV_BASE2+0x40, 8, 3),
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MTK_PIN_DRV_GRP(89, DRV_BASE2+0x50, 12, 0),
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MTK_PIN_DRV_GRP(90, DRV_BASE2+0x50, 12, 0),
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MTK_PIN_DRV_GRP(91, DRV_BASE2+0x50, 12, 0),
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MTK_PIN_DRV_GRP(92, DRV_BASE2+0x50, 12, 0),
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MTK_PIN_DRV_GRP(93, DRV_BASE2+0x50, 12, 0),
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MTK_PIN_DRV_GRP(94, DRV_BASE2+0x50, 12, 0),
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MTK_PIN_DRV_GRP(95, DRV_BASE2+0x50, 12, 0),
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MTK_PIN_DRV_GRP(96, DRV_BASE1+0xb0, 28, 0),
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MTK_PIN_DRV_GRP(97, DRV_BASE2+0x50, 12, 0),
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MTK_PIN_DRV_GRP(98, DRV_BASE2+0x50, 16, 0),
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MTK_PIN_DRV_GRP(99, DRV_BASE2+0x50, 20, 1),
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MTK_PIN_DRV_GRP(102, DRV_BASE2+0x50, 24, 1),
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MTK_PIN_DRV_GRP(103, DRV_BASE2+0x50, 28, 1),
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MTK_PIN_DRV_GRP(104, DRV_BASE2+0x60, 0, 1),
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MTK_PIN_DRV_GRP(105, DRV_BASE2+0x60, 4, 1),
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MTK_PIN_DRV_GRP(106, DRV_BASE2+0x60, 4, 1),
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MTK_PIN_DRV_GRP(107, DRV_BASE2+0x60, 4, 1),
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MTK_PIN_DRV_GRP(108, DRV_BASE2+0x60, 4, 1),
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MTK_PIN_DRV_GRP(109, DRV_BASE2+0x60, 8, 2),
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MTK_PIN_DRV_GRP(110, DRV_BASE2+0x60, 12, 2),
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MTK_PIN_DRV_GRP(111, DRV_BASE2+0x60, 16, 2),
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MTK_PIN_DRV_GRP(112, DRV_BASE2+0x60, 20, 2),
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MTK_PIN_DRV_GRP(113, DRV_BASE2+0x60, 24, 2),
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MTK_PIN_DRV_GRP(114, DRV_BASE2+0x60, 28, 2),
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MTK_PIN_DRV_GRP(115, DRV_BASE2+0x70, 0, 2),
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MTK_PIN_DRV_GRP(116, DRV_BASE2+0x70, 4, 2),
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MTK_PIN_DRV_GRP(117, DRV_BASE2+0x70, 8, 2),
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MTK_PIN_DRV_GRP(118, DRV_BASE2+0x70, 12, 2),
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MTK_PIN_DRV_GRP(119, DRV_BASE2+0x70, 16, 2),
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MTK_PIN_DRV_GRP(120, DRV_BASE2+0x70, 20, 2),
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MTK_PIN_DRV_GRP(181, DRV_BASE1+0xa0, 12, 1),
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MTK_PIN_DRV_GRP(182, DRV_BASE1+0xa0, 16, 1),
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MTK_PIN_DRV_GRP(183, DRV_BASE1+0xa0, 20, 1),
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MTK_PIN_DRV_GRP(184, DRV_BASE1+0xa0, 24, 1),
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MTK_PIN_DRV_GRP(185, DRV_BASE1+0xa0, 28, 1),
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MTK_PIN_DRV_GRP(186, DRV_BASE1+0xb0, 0, 2),
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MTK_PIN_DRV_GRP(187, DRV_BASE1+0xb0, 0, 2),
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MTK_PIN_DRV_GRP(188, DRV_BASE1+0xb0, 0, 2),
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MTK_PIN_DRV_GRP(189, DRV_BASE1+0xb0, 0, 2),
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MTK_PIN_DRV_GRP(190, DRV_BASE1+0xb0, 4, 1),
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MTK_PIN_DRV_GRP(191, DRV_BASE1+0xb0, 8, 1),
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MTK_PIN_DRV_GRP(192, DRV_BASE1+0xb0, 12, 1),
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MTK_PIN_DRV_GRP(197, DRV_BASE1+0xb0, 16, 0),
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MTK_PIN_DRV_GRP(198, DRV_BASE1+0xb0, 16, 0),
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MTK_PIN_DRV_GRP(199, DRV_BASE1+0xb0, 20, 0),
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MTK_PIN_DRV_GRP(200, DRV_BASE1+0xb0, 24, 0),
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MTK_PIN_DRV_GRP(201, DRV_BASE1+0xb0, 16, 0),
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MTK_PIN_DRV_GRP(202, DRV_BASE1+0xb0, 16, 0)
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};
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static const struct mtk_spec_pull_set spec_pupd[] = {
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SPEC_PULL(0, PUPD_BASE1, 0, R0_BASE1, 9, R1_BASE1, 0),
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SPEC_PULL(1, PUPD_BASE1, 1, R0_BASE1, 8, R1_BASE1, 1),
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SPEC_PULL(2, PUPD_BASE1, 2, R0_BASE1, 7, R1_BASE1, 2),
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SPEC_PULL(3, PUPD_BASE1, 3, R0_BASE1, 6, R1_BASE1, 3),
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SPEC_PULL(4, PUPD_BASE1, 4, R0_BASE1, 1, R1_BASE1, 4),
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SPEC_PULL(5, PUPD_BASE1, 5, R0_BASE1, 0, R1_BASE1, 5),
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SPEC_PULL(6, PUPD_BASE1, 6, R0_BASE1, 5, R1_BASE1, 6),
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SPEC_PULL(7, PUPD_BASE1, 7, R0_BASE1, 4, R1_BASE1, 7),
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SPEC_PULL(8, PUPD_BASE1, 8, R0_BASE1, 3, R1_BASE1, 8),
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SPEC_PULL(9, PUPD_BASE1, 9, R0_BASE1, 2, R1_BASE1, 9),
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SPEC_PULL(89, PUPD_BASE2, 9, R0_BASE1, 18, R1_BASE2, 9),
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SPEC_PULL(90, PUPD_BASE2, 10, R0_BASE1, 19, R1_BASE2, 10),
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SPEC_PULL(91, PUPD_BASE2, 11, R0_BASE1, 23, R1_BASE2, 11),
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SPEC_PULL(92, PUPD_BASE2, 12, R0_BASE1, 24, R1_BASE2, 12),
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SPEC_PULL(93, PUPD_BASE2, 13, R0_BASE1, 25, R1_BASE2, 13),
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SPEC_PULL(94, PUPD_BASE2, 14, R0_BASE1, 22, R1_BASE2, 14),
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SPEC_PULL(95, PUPD_BASE2, 15, R0_BASE1, 20, R1_BASE2, 15),
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SPEC_PULL(96, PUPD_BASE2+0x10, 0, R0_BASE1, 16, R1_BASE2+0x10, 0),
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SPEC_PULL(97, PUPD_BASE2+0x10, 1, R0_BASE1, 21, R1_BASE2+0x10, 1),
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SPEC_PULL(98, PUPD_BASE2+0x10, 2, R0_BASE1, 17, R1_BASE2+0x10, 2),
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SPEC_PULL(197, PUPD_BASE1+0xc0, 5, R0_BASE1, 13, R1_BASE2+0xc0, 5),
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SPEC_PULL(198, PUPD_BASE2+0xc0, 6, R0_BASE1, 14, R1_BASE2+0xc0, 6),
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SPEC_PULL(199, PUPD_BASE2+0xc0, 7, R0_BASE1, 11, R1_BASE2+0xc0, 7),
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SPEC_PULL(200, PUPD_BASE2+0xc0, 8, R0_BASE1, 10, R1_BASE2+0xc0, 8),
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SPEC_PULL(201, PUPD_BASE2+0xc0, 9, R0_BASE1, 13, R1_BASE2+0xc0, 9),
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SPEC_PULL(202, PUPD_BASE2+0xc0, 10, R0_BASE1, 12, R1_BASE2+0xc0, 10)
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};
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static int spec_pull_set(struct regmap *regmap,
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const struct mtk_pinctrl_devdata *devdata,
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unsigned int pin, bool isup, unsigned int r1r0)
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{
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unsigned int i;
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unsigned int reg_pupd, reg_set_r0, reg_set_r1;
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unsigned int reg_rst_r0, reg_rst_r1;
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unsigned char align = devdata->port_align;
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bool find = false;
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for (i = 0; i < ARRAY_SIZE(spec_pupd); i++) {
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if (pin == spec_pupd[i].pin) {
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find = true;
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break;
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}
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}
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if (!find)
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return -EINVAL;
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if (isup)
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reg_pupd = spec_pupd[i].pupd_offset + align;
|
||
|
|
else
|
||
|
|
reg_pupd = spec_pupd[i].pupd_offset + (align << 1);
|
||
|
|
|
||
|
|
regmap_write(regmap, reg_pupd, spec_pupd[i].pupd_bit);
|
||
|
|
|
||
|
|
reg_set_r0 = spec_pupd[i].r0_offset + align;
|
||
|
|
reg_rst_r0 = spec_pupd[i].r0_offset + (align << 1);
|
||
|
|
reg_set_r1 = spec_pupd[i].r1_offset + align;
|
||
|
|
reg_rst_r1 = spec_pupd[i].r1_offset + (align << 1);
|
||
|
|
|
||
|
|
switch (r1r0) {
|
||
|
|
case MTK_PUPD_SET_R1R0_00:
|
||
|
|
regmap_write(regmap, reg_rst_r0, spec_pupd[i].r0_bit);
|
||
|
|
regmap_write(regmap, reg_rst_r1, spec_pupd[i].r1_bit);
|
||
|
|
break;
|
||
|
|
case MTK_PUPD_SET_R1R0_01:
|
||
|
|
regmap_write(regmap, reg_set_r0, spec_pupd[i].r0_bit);
|
||
|
|
regmap_write(regmap, reg_rst_r1, spec_pupd[i].r1_bit);
|
||
|
|
break;
|
||
|
|
case MTK_PUPD_SET_R1R0_10:
|
||
|
|
regmap_write(regmap, reg_rst_r0, spec_pupd[i].r0_bit);
|
||
|
|
regmap_write(regmap, reg_set_r1, spec_pupd[i].r1_bit);
|
||
|
|
break;
|
||
|
|
case MTK_PUPD_SET_R1R0_11:
|
||
|
|
regmap_write(regmap, reg_set_r0, spec_pupd[i].r0_bit);
|
||
|
|
regmap_write(regmap, reg_set_r1, spec_pupd[i].r1_bit);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
return -EINVAL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
static const struct mtk_pinctrl_devdata mt8135_pinctrl_data = {
|
||
|
|
.pins = mtk_pins_mt8135,
|
||
|
|
.npins = ARRAY_SIZE(mtk_pins_mt8135),
|
||
|
|
.grp_desc = mt8135_drv_grp,
|
||
|
|
.n_grp_cls = ARRAY_SIZE(mt8135_drv_grp),
|
||
|
|
.pin_drv_grp = mt8135_pin_drv,
|
||
|
|
.n_pin_drv_grps = ARRAY_SIZE(mt8135_pin_drv),
|
||
|
|
.spec_pull_set = spec_pull_set,
|
||
|
|
.dir_offset = 0x0000,
|
||
|
|
.ies_offset = 0x0100,
|
||
|
|
.pullen_offset = 0x0200,
|
||
|
|
.smt_offset = 0x0300,
|
||
|
|
.pullsel_offset = 0x0400,
|
||
|
|
.dout_offset = 0x0800,
|
||
|
|
.din_offset = 0x0A00,
|
||
|
|
.pinmux_offset = 0x0C00,
|
||
|
|
.type1_start = 34,
|
||
|
|
.type1_end = 149,
|
||
|
|
.port_shf = 4,
|
||
|
|
.port_mask = 0xf,
|
||
|
|
.port_align = 4,
|
||
|
|
.mode_mask = 0xf,
|
||
|
|
.mode_per_reg = 5,
|
||
|
|
.mode_shf = 4,
|
||
|
|
.eint_hw = {
|
||
|
|
.port_mask = 7,
|
||
|
|
.ports = 6,
|
||
|
|
.ap_num = 192,
|
||
|
|
.db_cnt = 16,
|
||
|
|
.db_time = debounce_time_mt2701,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static const struct of_device_id mt8135_pctrl_match[] = {
|
||
|
|
{ .compatible = "mediatek,mt8135-pinctrl", .data = &mt8135_pinctrl_data },
|
||
|
|
{ }
|
||
|
|
};
|
||
|
|
|
||
|
|
static struct platform_driver mtk_pinctrl_driver = {
|
||
|
|
.probe = mtk_pctrl_common_probe,
|
||
|
|
.driver = {
|
||
|
|
.name = "mediatek-mt8135-pinctrl",
|
||
|
|
.of_match_table = mt8135_pctrl_match,
|
||
|
|
},
|
||
|
|
};
|
||
|
|
|
||
|
|
static int __init mtk_pinctrl_init(void)
|
||
|
|
{
|
||
|
|
return platform_driver_register(&mtk_pinctrl_driver);
|
||
|
|
}
|
||
|
|
arch_initcall(mtk_pinctrl_init);
|