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linux_dsm_epyc7002/drivers/pinctrl/mediatek/pinctrl-mt8135.c
Fabio Estevam 3944e7b78c pinctrl: Remove .owner field 
platform_driver does not need to set the owner field, as it will be
populated by the driver core, so just remove it.

The semantic patch that makes this change is available
in scripts/coccinelle/api/platform_no_drv_owner.cocci.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2015-06-04 10:12:42 +02:00

374 lines
12 KiB
C
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/*
* 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/module.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_offsets = {
.name = "mt8135_eint",
.stat = 0x000,
.ack = 0x040,
.mask = 0x080,
.mask_set = 0x0c0,
.mask_clr = 0x100,
.sens = 0x140,
.sens_set = 0x180,
.sens_clr = 0x1c0,
.soft = 0x200,
.soft_set = 0x240,
.soft_clr = 0x280,
.pol = 0x300,
.pol_set = 0x340,
.pol_clr = 0x380,
.dom_en = 0x400,
.dbnc_ctrl = 0x500,
.dbnc_set = 0x600,
.dbnc_clr = 0x700,
.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",
},
{ }
};
MODULE_DEVICE_TABLE(of, mt8135_pctrl_match);
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);
}
module_init(mtk_pinctrl_init);
MODULE_LICENSE("GPL");
MODULE_DESCRIPTION("MediaTek Pinctrl Driver");
MODULE_AUTHOR("Hongzhou Yang <hongzhou.yang@mediatek.com>");
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