| /* |
| * Copyright (c) 2014 MediaTek Inc. |
| * Author: Hongzhou.Yang <hongzhou.yang@mediatek.com> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License version 2 as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| */ |
| |
| #include <linux/init.h> |
| #include <linux/platform_device.h> |
| #include <linux/of.h> |
| #include <linux/of_device.h> |
| #include <linux/pinctrl/pinctrl.h> |
| #include <linux/regmap.h> |
| #include <dt-bindings/pinctrl/mt65xx.h> |
| |
| #include "pinctrl-mtk-common.h" |
| #include "pinctrl-mtk-mt8135.h" |
| |
| #define DRV_BASE1 0x500 |
| #define DRV_BASE2 0x510 |
| #define PUPD_BASE1 0x400 |
| #define PUPD_BASE2 0x450 |
| #define R0_BASE1 0x4d0 |
| #define R1_BASE1 0x200 |
| #define R1_BASE2 0x250 |
| |
| struct mtk_spec_pull_set { |
| unsigned char pin; |
| unsigned char pupd_bit; |
| unsigned short pupd_offset; |
| unsigned short r0_offset; |
| unsigned short r1_offset; |
| unsigned char r0_bit; |
| unsigned char r1_bit; |
| }; |
| |
| #define SPEC_PULL(_pin, _pupd_offset, _pupd_bit, _r0_offset, \ |
| _r0_bit, _r1_offset, _r1_bit) \ |
| { \ |
| .pin = _pin, \ |
| .pupd_offset = _pupd_offset, \ |
| .pupd_bit = _pupd_bit, \ |
| .r0_offset = _r0_offset, \ |
| .r0_bit = _r0_bit, \ |
| .r1_offset = _r1_offset, \ |
| .r1_bit = _r1_bit, \ |
| } |
| |
| static const struct mtk_drv_group_desc mt8135_drv_grp[] = { |
| /* E8E4E2 2/4/6/8/10/12/14/16 */ |
| MTK_DRV_GRP(2, 16, 0, 2, 2), |
| /* E8E4 4/8/12/16 */ |
| MTK_DRV_GRP(4, 16, 1, 2, 4), |
| /* E4E2 2/4/6/8 */ |
| MTK_DRV_GRP(2, 8, 0, 1, 2), |
| /* E16E8E4 4/8/12/16/20/24/28/32 */ |
| MTK_DRV_GRP(4, 32, 0, 2, 4) |
| }; |
| |
| static const struct mtk_pin_drv_grp mt8135_pin_drv[] = { |
| MTK_PIN_DRV_GRP(0, DRV_BASE1, 0, 0), |
| MTK_PIN_DRV_GRP(1, DRV_BASE1, 0, 0), |
| MTK_PIN_DRV_GRP(2, DRV_BASE1, 0, 0), |
| MTK_PIN_DRV_GRP(3, DRV_BASE1, 0, 0), |
| MTK_PIN_DRV_GRP(4, DRV_BASE1, 4, 0), |
| MTK_PIN_DRV_GRP(5, DRV_BASE1, 8, 0), |
| MTK_PIN_DRV_GRP(6, DRV_BASE1, 0, 0), |
| MTK_PIN_DRV_GRP(7, DRV_BASE1, 0, 0), |
| MTK_PIN_DRV_GRP(8, DRV_BASE1, 0, 0), |
| MTK_PIN_DRV_GRP(9, DRV_BASE1, 0, 0), |
| |
| MTK_PIN_DRV_GRP(10, DRV_BASE1, 12, 1), |
| MTK_PIN_DRV_GRP(11, DRV_BASE1, 12, 1), |
| MTK_PIN_DRV_GRP(12, DRV_BASE1, 12, 1), |
| MTK_PIN_DRV_GRP(13, DRV_BASE1, 12, 1), |
| MTK_PIN_DRV_GRP(14, DRV_BASE1, 12, 1), |
| MTK_PIN_DRV_GRP(15, DRV_BASE1, 12, 1), |
| MTK_PIN_DRV_GRP(16, DRV_BASE1, 12, 1), |
| MTK_PIN_DRV_GRP(17, DRV_BASE1, 16, 1), |
| MTK_PIN_DRV_GRP(18, DRV_BASE1, 16, 1), |
| MTK_PIN_DRV_GRP(19, DRV_BASE1, 16, 1), |
| MTK_PIN_DRV_GRP(20, DRV_BASE1, 16, 1), |
| MTK_PIN_DRV_GRP(21, DRV_BASE1, 16, 1), |
| MTK_PIN_DRV_GRP(22, DRV_BASE1, 16, 1), |
| MTK_PIN_DRV_GRP(23, DRV_BASE1, 16, 1), |
| MTK_PIN_DRV_GRP(24, DRV_BASE1, 16, 1), |
| MTK_PIN_DRV_GRP(33, DRV_BASE1, 24, 1), |
| MTK_PIN_DRV_GRP(34, DRV_BASE2, 12, 2), |
| MTK_PIN_DRV_GRP(37, DRV_BASE2, 20, 1), |
| MTK_PIN_DRV_GRP(38, DRV_BASE2, 20, 1), |
| MTK_PIN_DRV_GRP(39, DRV_BASE2, 20, 1), |
| MTK_PIN_DRV_GRP(40, DRV_BASE2, 24, 1), |
| MTK_PIN_DRV_GRP(41, DRV_BASE2, 24, 1), |
| MTK_PIN_DRV_GRP(42, DRV_BASE2, 24, 1), |
| MTK_PIN_DRV_GRP(43, DRV_BASE2, 28, 1), |
| MTK_PIN_DRV_GRP(44, DRV_BASE2, 28, 1), |
| MTK_PIN_DRV_GRP(45, DRV_BASE2, 28, 1), |
| MTK_PIN_DRV_GRP(46, DRV_BASE2, 28, 1), |
| MTK_PIN_DRV_GRP(47, DRV_BASE2, 28, 1), |
| |
| MTK_PIN_DRV_GRP(49, DRV_BASE2+0x10, 0, 1), |
| MTK_PIN_DRV_GRP(50, DRV_BASE2+0x10, 4, 1), |
| MTK_PIN_DRV_GRP(51, DRV_BASE2+0x10, 8, 1), |
| MTK_PIN_DRV_GRP(52, DRV_BASE2+0x10, 12, 2), |
| MTK_PIN_DRV_GRP(53, DRV_BASE2+0x10, 16, 1), |
| MTK_PIN_DRV_GRP(54, DRV_BASE2+0x10, 20, 1), |
| MTK_PIN_DRV_GRP(55, DRV_BASE2+0x10, 24, 1), |
| MTK_PIN_DRV_GRP(56, DRV_BASE2+0x10, 28, 1), |
| |
| MTK_PIN_DRV_GRP(57, DRV_BASE2+0x20, 0, 1), |
| MTK_PIN_DRV_GRP(58, DRV_BASE2+0x20, 0, 1), |
| MTK_PIN_DRV_GRP(59, DRV_BASE2+0x20, 0, 1), |
| MTK_PIN_DRV_GRP(60, DRV_BASE2+0x20, 0, 1), |
| MTK_PIN_DRV_GRP(61, DRV_BASE2+0x20, 0, 1), |
| MTK_PIN_DRV_GRP(62, DRV_BASE2+0x20, 0, 1), |
| MTK_PIN_DRV_GRP(63, DRV_BASE2+0x20, 4, 1), |
| MTK_PIN_DRV_GRP(64, DRV_BASE2+0x20, 8, 1), |
| MTK_PIN_DRV_GRP(65, DRV_BASE2+0x20, 12, 1), |
| MTK_PIN_DRV_GRP(66, DRV_BASE2+0x20, 16, 1), |
| MTK_PIN_DRV_GRP(67, DRV_BASE2+0x20, 20, 1), |
| MTK_PIN_DRV_GRP(68, DRV_BASE2+0x20, 24, 1), |
| MTK_PIN_DRV_GRP(69, DRV_BASE2+0x20, 28, 1), |
| |
| MTK_PIN_DRV_GRP(70, DRV_BASE2+0x30, 0, 1), |
| MTK_PIN_DRV_GRP(71, DRV_BASE2+0x30, 4, 1), |
| MTK_PIN_DRV_GRP(72, DRV_BASE2+0x30, 8, 1), |
| MTK_PIN_DRV_GRP(73, DRV_BASE2+0x30, 12, 1), |
| MTK_PIN_DRV_GRP(74, DRV_BASE2+0x30, 16, 1), |
| MTK_PIN_DRV_GRP(75, DRV_BASE2+0x30, 20, 1), |
| MTK_PIN_DRV_GRP(76, DRV_BASE2+0x30, 24, 1), |
| MTK_PIN_DRV_GRP(77, DRV_BASE2+0x30, 28, 3), |
| MTK_PIN_DRV_GRP(78, DRV_BASE2+0x30, 28, 3), |
| |
| MTK_PIN_DRV_GRP(79, DRV_BASE2+0x40, 0, 3), |
| MTK_PIN_DRV_GRP(80, DRV_BASE2+0x40, 4, 3), |
| |
| MTK_PIN_DRV_GRP(81, DRV_BASE2+0x30, 28, 3), |
| MTK_PIN_DRV_GRP(82, DRV_BASE2+0x30, 28, 3), |
| |
| MTK_PIN_DRV_GRP(83, DRV_BASE2+0x40, 8, 3), |
| MTK_PIN_DRV_GRP(84, DRV_BASE2+0x40, 8, 3), |
| MTK_PIN_DRV_GRP(85, DRV_BASE2+0x40, 12, 3), |
| MTK_PIN_DRV_GRP(86, DRV_BASE2+0x40, 16, 3), |
| MTK_PIN_DRV_GRP(87, DRV_BASE2+0x40, 8, 3), |
| MTK_PIN_DRV_GRP(88, DRV_BASE2+0x40, 8, 3), |
| |
| MTK_PIN_DRV_GRP(89, DRV_BASE2+0x50, 12, 0), |
| MTK_PIN_DRV_GRP(90, DRV_BASE2+0x50, 12, 0), |
| MTK_PIN_DRV_GRP(91, DRV_BASE2+0x50, 12, 0), |
| MTK_PIN_DRV_GRP(92, DRV_BASE2+0x50, 12, 0), |
| MTK_PIN_DRV_GRP(93, DRV_BASE2+0x50, 12, 0), |
| MTK_PIN_DRV_GRP(94, DRV_BASE2+0x50, 12, 0), |
| MTK_PIN_DRV_GRP(95, DRV_BASE2+0x50, 12, 0), |
| |
| MTK_PIN_DRV_GRP(96, DRV_BASE1+0xb0, 28, 0), |
| |
| MTK_PIN_DRV_GRP(97, DRV_BASE2+0x50, 12, 0), |
| MTK_PIN_DRV_GRP(98, DRV_BASE2+0x50, 16, 0), |
| MTK_PIN_DRV_GRP(99, DRV_BASE2+0x50, 20, 1), |
| MTK_PIN_DRV_GRP(102, DRV_BASE2+0x50, 24, 1), |
| MTK_PIN_DRV_GRP(103, DRV_BASE2+0x50, 28, 1), |
| |
| |
| MTK_PIN_DRV_GRP(104, DRV_BASE2+0x60, 0, 1), |
| MTK_PIN_DRV_GRP(105, DRV_BASE2+0x60, 4, 1), |
| MTK_PIN_DRV_GRP(106, DRV_BASE2+0x60, 4, 1), |
| MTK_PIN_DRV_GRP(107, DRV_BASE2+0x60, 4, 1), |
| MTK_PIN_DRV_GRP(108, DRV_BASE2+0x60, 4, 1), |
| MTK_PIN_DRV_GRP(109, DRV_BASE2+0x60, 8, 2), |
| MTK_PIN_DRV_GRP(110, DRV_BASE2+0x60, 12, 2), |
| MTK_PIN_DRV_GRP(111, DRV_BASE2+0x60, 16, 2), |
| MTK_PIN_DRV_GRP(112, DRV_BASE2+0x60, 20, 2), |
| MTK_PIN_DRV_GRP(113, DRV_BASE2+0x60, 24, 2), |
| MTK_PIN_DRV_GRP(114, DRV_BASE2+0x60, 28, 2), |
| |
| MTK_PIN_DRV_GRP(115, DRV_BASE2+0x70, 0, 2), |
| MTK_PIN_DRV_GRP(116, DRV_BASE2+0x70, 4, 2), |
| MTK_PIN_DRV_GRP(117, DRV_BASE2+0x70, 8, 2), |
| MTK_PIN_DRV_GRP(118, DRV_BASE2+0x70, 12, 2), |
| MTK_PIN_DRV_GRP(119, DRV_BASE2+0x70, 16, 2), |
| MTK_PIN_DRV_GRP(120, DRV_BASE2+0x70, 20, 2), |
| |
| MTK_PIN_DRV_GRP(181, DRV_BASE1+0xa0, 12, 1), |
| MTK_PIN_DRV_GRP(182, DRV_BASE1+0xa0, 16, 1), |
| MTK_PIN_DRV_GRP(183, DRV_BASE1+0xa0, 20, 1), |
| MTK_PIN_DRV_GRP(184, DRV_BASE1+0xa0, 24, 1), |
| MTK_PIN_DRV_GRP(185, DRV_BASE1+0xa0, 28, 1), |
| |
| MTK_PIN_DRV_GRP(186, DRV_BASE1+0xb0, 0, 2), |
| MTK_PIN_DRV_GRP(187, DRV_BASE1+0xb0, 0, 2), |
| MTK_PIN_DRV_GRP(188, DRV_BASE1+0xb0, 0, 2), |
| MTK_PIN_DRV_GRP(189, DRV_BASE1+0xb0, 0, 2), |
| MTK_PIN_DRV_GRP(190, DRV_BASE1+0xb0, 4, 1), |
| MTK_PIN_DRV_GRP(191, DRV_BASE1+0xb0, 8, 1), |
| MTK_PIN_DRV_GRP(192, DRV_BASE1+0xb0, 12, 1), |
| |
| MTK_PIN_DRV_GRP(197, DRV_BASE1+0xb0, 16, 0), |
| MTK_PIN_DRV_GRP(198, DRV_BASE1+0xb0, 16, 0), |
| MTK_PIN_DRV_GRP(199, DRV_BASE1+0xb0, 20, 0), |
| MTK_PIN_DRV_GRP(200, DRV_BASE1+0xb0, 24, 0), |
| MTK_PIN_DRV_GRP(201, DRV_BASE1+0xb0, 16, 0), |
| MTK_PIN_DRV_GRP(202, DRV_BASE1+0xb0, 16, 0) |
| }; |
| |
| static const struct mtk_spec_pull_set spec_pupd[] = { |
| SPEC_PULL(0, PUPD_BASE1, 0, R0_BASE1, 9, R1_BASE1, 0), |
| SPEC_PULL(1, PUPD_BASE1, 1, R0_BASE1, 8, R1_BASE1, 1), |
| SPEC_PULL(2, PUPD_BASE1, 2, R0_BASE1, 7, R1_BASE1, 2), |
| SPEC_PULL(3, PUPD_BASE1, 3, R0_BASE1, 6, R1_BASE1, 3), |
| SPEC_PULL(4, PUPD_BASE1, 4, R0_BASE1, 1, R1_BASE1, 4), |
| SPEC_PULL(5, PUPD_BASE1, 5, R0_BASE1, 0, R1_BASE1, 5), |
| SPEC_PULL(6, PUPD_BASE1, 6, R0_BASE1, 5, R1_BASE1, 6), |
| SPEC_PULL(7, PUPD_BASE1, 7, R0_BASE1, 4, R1_BASE1, 7), |
| SPEC_PULL(8, PUPD_BASE1, 8, R0_BASE1, 3, R1_BASE1, 8), |
| SPEC_PULL(9, PUPD_BASE1, 9, R0_BASE1, 2, R1_BASE1, 9), |
| SPEC_PULL(89, PUPD_BASE2, 9, R0_BASE1, 18, R1_BASE2, 9), |
| SPEC_PULL(90, PUPD_BASE2, 10, R0_BASE1, 19, R1_BASE2, 10), |
| SPEC_PULL(91, PUPD_BASE2, 11, R0_BASE1, 23, R1_BASE2, 11), |
| SPEC_PULL(92, PUPD_BASE2, 12, R0_BASE1, 24, R1_BASE2, 12), |
| SPEC_PULL(93, PUPD_BASE2, 13, R0_BASE1, 25, R1_BASE2, 13), |
| SPEC_PULL(94, PUPD_BASE2, 14, R0_BASE1, 22, R1_BASE2, 14), |
| SPEC_PULL(95, PUPD_BASE2, 15, R0_BASE1, 20, R1_BASE2, 15), |
| SPEC_PULL(96, PUPD_BASE2+0x10, 0, R0_BASE1, 16, R1_BASE2+0x10, 0), |
| SPEC_PULL(97, PUPD_BASE2+0x10, 1, R0_BASE1, 21, R1_BASE2+0x10, 1), |
| SPEC_PULL(98, PUPD_BASE2+0x10, 2, R0_BASE1, 17, R1_BASE2+0x10, 2), |
| SPEC_PULL(197, PUPD_BASE1+0xc0, 5, R0_BASE1, 13, R1_BASE2+0xc0, 5), |
| SPEC_PULL(198, PUPD_BASE2+0xc0, 6, R0_BASE1, 14, R1_BASE2+0xc0, 6), |
| SPEC_PULL(199, PUPD_BASE2+0xc0, 7, R0_BASE1, 11, R1_BASE2+0xc0, 7), |
| SPEC_PULL(200, PUPD_BASE2+0xc0, 8, R0_BASE1, 10, R1_BASE2+0xc0, 8), |
| SPEC_PULL(201, PUPD_BASE2+0xc0, 9, R0_BASE1, 13, R1_BASE2+0xc0, 9), |
| SPEC_PULL(202, PUPD_BASE2+0xc0, 10, R0_BASE1, 12, R1_BASE2+0xc0, 10) |
| }; |
| |
| static int spec_pull_set(struct regmap *regmap, unsigned int pin, |
| unsigned char align, bool isup, unsigned int r1r0) |
| { |
| unsigned int i; |
| unsigned int reg_pupd, reg_set_r0, reg_set_r1; |
| unsigned int reg_rst_r0, reg_rst_r1; |
| bool find = false; |
| |
| for (i = 0; i < ARRAY_SIZE(spec_pupd); i++) { |
| if (pin == spec_pupd[i].pin) { |
| find = true; |
| break; |
| } |
| } |
| |
| if (!find) |
| return -EINVAL; |
| |
| if (isup) |
| 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, |
| .eint_hw = { |
| .port_mask = 7, |
| .ports = 6, |
| .ap_num = 192, |
| .db_cnt = 16, |
| }, |
| }; |
| |
| static int mt8135_pinctrl_probe(struct platform_device *pdev) |
| { |
| return mtk_pctrl_init(pdev, &mt8135_pinctrl_data, NULL); |
| } |
| |
| static const struct of_device_id mt8135_pctrl_match[] = { |
| { |
| .compatible = "mediatek,mt8135-pinctrl", |
| }, |
| { } |
| }; |
| |
| static struct platform_driver mtk_pinctrl_driver = { |
| .probe = mt8135_pinctrl_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); |
