diff options
Diffstat (limited to 'drivers/pinctrl/mediatek/pinctrl-mt8135.c')
| -rw-r--r-- | drivers/pinctrl/mediatek/pinctrl-mt8135.c | 348 |
1 files changed, 348 insertions, 0 deletions
diff --git a/drivers/pinctrl/mediatek/pinctrl-mt8135.c b/drivers/pinctrl/mediatek/pinctrl-mt8135.c new file mode 100644 index 000000000..7f5edfaff --- /dev/null +++ b/drivers/pinctrl/mediatek/pinctrl-mt8135.c @@ -0,0 +1,348 @@ +/* + * 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); |