1 // SPDX-License-Identifier: GPL-2.0
2 /*
3  * Copyright (c) 2019 MediaTek Inc.
4  * Author: Min.Guo <min.guo@mediatek.com>
5  */
6 
7 #include <dt-bindings/pinctrl/mt65xx.h>
8 #include <linux/of.h>
9 #include <linux/of_device.h>
10 #include <linux/module.h>
11 #include <linux/pinctrl/pinctrl.h>
12 #include <linux/platform_device.h>
13 #include <linux/regmap.h>
14 
15 #include "pinctrl-mtk-common.h"
16 #include "pinctrl-mtk-mt8516.h"
17 
18 static const struct mtk_drv_group_desc mt8516_drv_grp[] = {
19 	/* 0E4E8SR 4/8/12/16 */
20 	MTK_DRV_GRP(4, 16, 1, 2, 4),
21 	/* 0E2E4SR  2/4/6/8 */
22 	MTK_DRV_GRP(2, 8, 1, 2, 2),
23 	/* E8E4E2  2/4/6/8/10/12/14/16 */
24 	MTK_DRV_GRP(2, 16, 0, 2, 2)
25 };
26 
27 static const struct mtk_pin_drv_grp mt8516_pin_drv[] = {
28 	MTK_PIN_DRV_GRP(0, 0xd00, 0, 0),
29 	MTK_PIN_DRV_GRP(1, 0xd00, 0, 0),
30 	MTK_PIN_DRV_GRP(2, 0xd00, 0, 0),
31 	MTK_PIN_DRV_GRP(3, 0xd00, 0, 0),
32 	MTK_PIN_DRV_GRP(4, 0xd00, 0, 0),
33 
34 	MTK_PIN_DRV_GRP(5, 0xd00, 4, 0),
35 	MTK_PIN_DRV_GRP(6, 0xd00, 4, 0),
36 	MTK_PIN_DRV_GRP(7, 0xd00, 4, 0),
37 	MTK_PIN_DRV_GRP(8, 0xd00, 4, 0),
38 	MTK_PIN_DRV_GRP(9, 0xd00, 4, 0),
39 	MTK_PIN_DRV_GRP(10, 0xd00, 4, 0),
40 
41 	MTK_PIN_DRV_GRP(11, 0xd00, 8, 0),
42 	MTK_PIN_DRV_GRP(12, 0xd00, 8, 0),
43 	MTK_PIN_DRV_GRP(13, 0xd00, 8, 0),
44 
45 	MTK_PIN_DRV_GRP(14, 0xd00, 12, 2),
46 	MTK_PIN_DRV_GRP(15, 0xd00, 12, 2),
47 	MTK_PIN_DRV_GRP(16, 0xd00, 12, 2),
48 	MTK_PIN_DRV_GRP(17, 0xd00, 12, 2),
49 
50 	MTK_PIN_DRV_GRP(18, 0xd10, 0, 0),
51 	MTK_PIN_DRV_GRP(19, 0xd10, 0, 0),
52 	MTK_PIN_DRV_GRP(20, 0xd10, 0, 0),
53 
54 	MTK_PIN_DRV_GRP(21, 0xd00, 12, 2),
55 	MTK_PIN_DRV_GRP(22, 0xd00, 12, 2),
56 	MTK_PIN_DRV_GRP(23, 0xd00, 12, 2),
57 
58 	MTK_PIN_DRV_GRP(24, 0xd00, 8, 0),
59 	MTK_PIN_DRV_GRP(25, 0xd00, 8, 0),
60 
61 	MTK_PIN_DRV_GRP(26, 0xd10, 4, 1),
62 	MTK_PIN_DRV_GRP(27, 0xd10, 4, 1),
63 	MTK_PIN_DRV_GRP(28, 0xd10, 4, 1),
64 	MTK_PIN_DRV_GRP(29, 0xd10, 4, 1),
65 	MTK_PIN_DRV_GRP(30, 0xd10, 4, 1),
66 
67 	MTK_PIN_DRV_GRP(31, 0xd10, 8, 1),
68 	MTK_PIN_DRV_GRP(32, 0xd10, 8, 1),
69 	MTK_PIN_DRV_GRP(33, 0xd10, 8, 1),
70 
71 	MTK_PIN_DRV_GRP(34, 0xd10, 12, 0),
72 	MTK_PIN_DRV_GRP(35, 0xd10, 12, 0),
73 
74 	MTK_PIN_DRV_GRP(36, 0xd20, 0, 0),
75 	MTK_PIN_DRV_GRP(37, 0xd20, 0, 0),
76 	MTK_PIN_DRV_GRP(38, 0xd20, 0, 0),
77 	MTK_PIN_DRV_GRP(39, 0xd20, 0, 0),
78 
79 	MTK_PIN_DRV_GRP(40, 0xd20, 4, 1),
80 
81 	MTK_PIN_DRV_GRP(41, 0xd20, 8, 1),
82 	MTK_PIN_DRV_GRP(42, 0xd20, 8, 1),
83 	MTK_PIN_DRV_GRP(43, 0xd20, 8, 1),
84 
85 	MTK_PIN_DRV_GRP(44, 0xd20, 12, 1),
86 	MTK_PIN_DRV_GRP(45, 0xd20, 12, 1),
87 	MTK_PIN_DRV_GRP(46, 0xd20, 12, 1),
88 	MTK_PIN_DRV_GRP(47, 0xd20, 12, 1),
89 
90 	MTK_PIN_DRV_GRP(48, 0xd30, 0, 1),
91 	MTK_PIN_DRV_GRP(49, 0xd30, 0, 1),
92 	MTK_PIN_DRV_GRP(50, 0xd30, 0, 1),
93 	MTK_PIN_DRV_GRP(51, 0xd30, 0, 1),
94 
95 	MTK_PIN_DRV_GRP(54, 0xd30, 8, 1),
96 
97 	MTK_PIN_DRV_GRP(55, 0xd30, 12, 1),
98 	MTK_PIN_DRV_GRP(56, 0xd30, 12, 1),
99 	MTK_PIN_DRV_GRP(57, 0xd30, 12, 1),
100 
101 	MTK_PIN_DRV_GRP(62, 0xd40, 8, 1),
102 	MTK_PIN_DRV_GRP(63, 0xd40, 8, 1),
103 	MTK_PIN_DRV_GRP(64, 0xd40, 8, 1),
104 	MTK_PIN_DRV_GRP(65, 0xd40, 8, 1),
105 	MTK_PIN_DRV_GRP(66, 0xd40, 8, 1),
106 	MTK_PIN_DRV_GRP(67, 0xd40, 8, 1),
107 
108 	MTK_PIN_DRV_GRP(68, 0xd40, 12, 2),
109 
110 	MTK_PIN_DRV_GRP(69, 0xd50, 0, 2),
111 
112 	MTK_PIN_DRV_GRP(70, 0xd50, 4, 2),
113 	MTK_PIN_DRV_GRP(71, 0xd50, 4, 2),
114 	MTK_PIN_DRV_GRP(72, 0xd50, 4, 2),
115 	MTK_PIN_DRV_GRP(73, 0xd50, 4, 2),
116 
117 	MTK_PIN_DRV_GRP(100, 0xd50, 8, 1),
118 	MTK_PIN_DRV_GRP(101, 0xd50, 8, 1),
119 	MTK_PIN_DRV_GRP(102, 0xd50, 8, 1),
120 	MTK_PIN_DRV_GRP(103, 0xd50, 8, 1),
121 
122 	MTK_PIN_DRV_GRP(104, 0xd50, 12, 2),
123 
124 	MTK_PIN_DRV_GRP(105, 0xd60, 0, 2),
125 
126 	MTK_PIN_DRV_GRP(106, 0xd60, 4, 2),
127 	MTK_PIN_DRV_GRP(107, 0xd60, 4, 2),
128 	MTK_PIN_DRV_GRP(108, 0xd60, 4, 2),
129 	MTK_PIN_DRV_GRP(109, 0xd60, 4, 2),
130 
131 	MTK_PIN_DRV_GRP(110, 0xd70, 0, 2),
132 	MTK_PIN_DRV_GRP(111, 0xd70, 0, 2),
133 	MTK_PIN_DRV_GRP(112, 0xd70, 0, 2),
134 	MTK_PIN_DRV_GRP(113, 0xd70, 0, 2),
135 
136 	MTK_PIN_DRV_GRP(114, 0xd70, 4, 2),
137 
138 	MTK_PIN_DRV_GRP(115, 0xd60, 12, 2),
139 
140 	MTK_PIN_DRV_GRP(116, 0xd60, 8, 2),
141 
142 	MTK_PIN_DRV_GRP(117, 0xd70, 0, 2),
143 	MTK_PIN_DRV_GRP(118, 0xd70, 0, 2),
144 	MTK_PIN_DRV_GRP(119, 0xd70, 0, 2),
145 	MTK_PIN_DRV_GRP(120, 0xd70, 0, 2),
146 };
147 
148 static const struct mtk_pin_spec_pupd_set_samereg mt8516_spec_pupd[] = {
149 	MTK_PIN_PUPD_SPEC_SR(14, 0xe50, 14, 13, 12),
150 	MTK_PIN_PUPD_SPEC_SR(15, 0xe60, 2, 1, 0),
151 	MTK_PIN_PUPD_SPEC_SR(16, 0xe60, 6, 5, 4),
152 	MTK_PIN_PUPD_SPEC_SR(17, 0xe60, 10, 9, 8),
153 
154 	MTK_PIN_PUPD_SPEC_SR(21, 0xe60, 14, 13, 12),
155 	MTK_PIN_PUPD_SPEC_SR(22, 0xe70, 2, 1, 0),
156 	MTK_PIN_PUPD_SPEC_SR(23, 0xe70, 6, 5, 4),
157 
158 	MTK_PIN_PUPD_SPEC_SR(40, 0xe80, 2, 1, 0),
159 	MTK_PIN_PUPD_SPEC_SR(41, 0xe80, 6, 5, 4),
160 	MTK_PIN_PUPD_SPEC_SR(42, 0xe90, 2, 1, 0),
161 	MTK_PIN_PUPD_SPEC_SR(43, 0xe90, 6, 5, 4),
162 
163 	MTK_PIN_PUPD_SPEC_SR(68, 0xe50, 10, 9, 8),
164 	MTK_PIN_PUPD_SPEC_SR(69, 0xe50, 6, 5, 4),
165 	MTK_PIN_PUPD_SPEC_SR(70, 0xe40, 6, 5, 4),
166 	MTK_PIN_PUPD_SPEC_SR(71, 0xe40, 10, 9, 8),
167 	MTK_PIN_PUPD_SPEC_SR(72, 0xe40, 14, 13, 12),
168 	MTK_PIN_PUPD_SPEC_SR(73, 0xe50, 2, 1, 0),
169 
170 	MTK_PIN_PUPD_SPEC_SR(104, 0xe40, 2, 1, 0),
171 	MTK_PIN_PUPD_SPEC_SR(105, 0xe30, 14, 13, 12),
172 	MTK_PIN_PUPD_SPEC_SR(106, 0xe20, 14, 13, 12),
173 	MTK_PIN_PUPD_SPEC_SR(107, 0xe30, 2, 1, 0),
174 	MTK_PIN_PUPD_SPEC_SR(108, 0xe30, 6, 5, 4),
175 	MTK_PIN_PUPD_SPEC_SR(109, 0xe30, 10, 9, 8),
176 	MTK_PIN_PUPD_SPEC_SR(110, 0xe10, 14, 13, 12),
177 	MTK_PIN_PUPD_SPEC_SR(111, 0xe10, 10, 9, 8),
178 	MTK_PIN_PUPD_SPEC_SR(112, 0xe10, 6, 5, 4),
179 	MTK_PIN_PUPD_SPEC_SR(113, 0xe10, 2, 1, 0),
180 	MTK_PIN_PUPD_SPEC_SR(114, 0xe20, 10, 9, 8),
181 	MTK_PIN_PUPD_SPEC_SR(115, 0xe20, 2, 1, 0),
182 	MTK_PIN_PUPD_SPEC_SR(116, 0xe20, 6, 5, 4),
183 	MTK_PIN_PUPD_SPEC_SR(117, 0xe00, 14, 13, 12),
184 	MTK_PIN_PUPD_SPEC_SR(118, 0xe00, 10, 9, 8),
185 	MTK_PIN_PUPD_SPEC_SR(119, 0xe00, 6, 5, 4),
186 	MTK_PIN_PUPD_SPEC_SR(120, 0xe00, 2, 1, 0),
187 };
188 
189 static int mt8516_spec_pull_set(struct regmap *regmap, unsigned int pin,
190 			unsigned char align, bool isup, unsigned int r1r0)
191 {
192 	return mtk_pctrl_spec_pull_set_samereg(regmap, mt8516_spec_pupd,
193 		ARRAY_SIZE(mt8516_spec_pupd), pin, align, isup, r1r0);
194 }
195 
196 static const struct mtk_pin_ies_smt_set mt8516_ies_set[] = {
197 	MTK_PIN_IES_SMT_SPEC(0, 6, 0x900, 2),
198 	MTK_PIN_IES_SMT_SPEC(7, 10, 0x900, 3),
199 	MTK_PIN_IES_SMT_SPEC(11, 13, 0x900, 12),
200 	MTK_PIN_IES_SMT_SPEC(14, 17, 0x900, 13),
201 	MTK_PIN_IES_SMT_SPEC(18, 20, 0x910, 10),
202 	MTK_PIN_IES_SMT_SPEC(21, 23, 0x900, 13),
203 	MTK_PIN_IES_SMT_SPEC(24, 25, 0x900, 12),
204 	MTK_PIN_IES_SMT_SPEC(26, 30, 0x900, 0),
205 	MTK_PIN_IES_SMT_SPEC(31, 33, 0x900, 1),
206 	MTK_PIN_IES_SMT_SPEC(34, 39, 0x900, 2),
207 	MTK_PIN_IES_SMT_SPEC(40, 40, 0x910, 11),
208 	MTK_PIN_IES_SMT_SPEC(41, 43, 0x900, 10),
209 	MTK_PIN_IES_SMT_SPEC(44, 47, 0x900, 11),
210 	MTK_PIN_IES_SMT_SPEC(48, 51, 0x900, 14),
211 	MTK_PIN_IES_SMT_SPEC(52, 53, 0x910, 0),
212 	MTK_PIN_IES_SMT_SPEC(54, 54, 0x910, 2),
213 	MTK_PIN_IES_SMT_SPEC(55, 57, 0x910, 4),
214 	MTK_PIN_IES_SMT_SPEC(58, 59, 0x900, 15),
215 	MTK_PIN_IES_SMT_SPEC(60, 61, 0x910, 1),
216 	MTK_PIN_IES_SMT_SPEC(62, 65, 0x910, 5),
217 	MTK_PIN_IES_SMT_SPEC(66, 67, 0x910, 6),
218 	MTK_PIN_IES_SMT_SPEC(68, 68, 0x930, 2),
219 	MTK_PIN_IES_SMT_SPEC(69, 69, 0x930, 1),
220 	MTK_PIN_IES_SMT_SPEC(70, 70, 0x930, 6),
221 	MTK_PIN_IES_SMT_SPEC(71, 71, 0x930, 5),
222 	MTK_PIN_IES_SMT_SPEC(72, 72, 0x930, 4),
223 	MTK_PIN_IES_SMT_SPEC(73, 73, 0x930, 3),
224 	MTK_PIN_IES_SMT_SPEC(100, 103, 0x910, 7),
225 	MTK_PIN_IES_SMT_SPEC(104, 104, 0x920, 12),
226 	MTK_PIN_IES_SMT_SPEC(105, 105, 0x920, 11),
227 	MTK_PIN_IES_SMT_SPEC(106, 106, 0x930, 0),
228 	MTK_PIN_IES_SMT_SPEC(107, 107, 0x920, 15),
229 	MTK_PIN_IES_SMT_SPEC(108, 108, 0x920, 14),
230 	MTK_PIN_IES_SMT_SPEC(109, 109, 0x920, 13),
231 	MTK_PIN_IES_SMT_SPEC(110, 110, 0x920, 9),
232 	MTK_PIN_IES_SMT_SPEC(111, 111, 0x920, 8),
233 	MTK_PIN_IES_SMT_SPEC(112, 112, 0x920, 7),
234 	MTK_PIN_IES_SMT_SPEC(113, 113, 0x920, 6),
235 	MTK_PIN_IES_SMT_SPEC(114, 114, 0x920, 10),
236 	MTK_PIN_IES_SMT_SPEC(115, 115, 0x920, 1),
237 	MTK_PIN_IES_SMT_SPEC(116, 116, 0x920, 0),
238 	MTK_PIN_IES_SMT_SPEC(117, 117, 0x920, 5),
239 	MTK_PIN_IES_SMT_SPEC(118, 118, 0x920, 4),
240 	MTK_PIN_IES_SMT_SPEC(119, 119, 0x920, 3),
241 	MTK_PIN_IES_SMT_SPEC(120, 120, 0x920, 2),
242 	MTK_PIN_IES_SMT_SPEC(121, 124, 0x910, 9),
243 };
244 
245 static const struct mtk_pin_ies_smt_set mt8516_smt_set[] = {
246 	MTK_PIN_IES_SMT_SPEC(0, 6, 0xA00, 2),
247 	MTK_PIN_IES_SMT_SPEC(7, 10, 0xA00, 3),
248 	MTK_PIN_IES_SMT_SPEC(11, 13, 0xA00, 12),
249 	MTK_PIN_IES_SMT_SPEC(14, 17, 0xA00, 13),
250 	MTK_PIN_IES_SMT_SPEC(18, 20, 0xA10, 10),
251 	MTK_PIN_IES_SMT_SPEC(21, 23, 0xA00, 13),
252 	MTK_PIN_IES_SMT_SPEC(24, 25, 0xA00, 12),
253 	MTK_PIN_IES_SMT_SPEC(26, 30, 0xA00, 0),
254 	MTK_PIN_IES_SMT_SPEC(31, 33, 0xA00, 1),
255 	MTK_PIN_IES_SMT_SPEC(34, 39, 0xA900, 2),
256 	MTK_PIN_IES_SMT_SPEC(40, 40, 0xA10, 11),
257 	MTK_PIN_IES_SMT_SPEC(41, 43, 0xA00, 10),
258 	MTK_PIN_IES_SMT_SPEC(44, 47, 0xA00, 11),
259 	MTK_PIN_IES_SMT_SPEC(48, 51, 0xA00, 14),
260 	MTK_PIN_IES_SMT_SPEC(52, 53, 0xA10, 0),
261 	MTK_PIN_IES_SMT_SPEC(54, 54, 0xA10, 2),
262 	MTK_PIN_IES_SMT_SPEC(55, 57, 0xA10, 4),
263 	MTK_PIN_IES_SMT_SPEC(58, 59, 0xA00, 15),
264 	MTK_PIN_IES_SMT_SPEC(60, 61, 0xA10, 1),
265 	MTK_PIN_IES_SMT_SPEC(62, 65, 0xA10, 5),
266 	MTK_PIN_IES_SMT_SPEC(66, 67, 0xA10, 6),
267 	MTK_PIN_IES_SMT_SPEC(68, 68, 0xA30, 2),
268 	MTK_PIN_IES_SMT_SPEC(69, 69, 0xA30, 1),
269 	MTK_PIN_IES_SMT_SPEC(70, 70, 0xA30, 3),
270 	MTK_PIN_IES_SMT_SPEC(71, 71, 0xA30, 4),
271 	MTK_PIN_IES_SMT_SPEC(72, 72, 0xA30, 5),
272 	MTK_PIN_IES_SMT_SPEC(73, 73, 0xA30, 6),
273 
274 	MTK_PIN_IES_SMT_SPEC(100, 103, 0xA10, 7),
275 	MTK_PIN_IES_SMT_SPEC(104, 104, 0xA20, 12),
276 	MTK_PIN_IES_SMT_SPEC(105, 105, 0xA20, 11),
277 	MTK_PIN_IES_SMT_SPEC(106, 106, 0xA30, 13),
278 	MTK_PIN_IES_SMT_SPEC(107, 107, 0xA20, 14),
279 	MTK_PIN_IES_SMT_SPEC(108, 108, 0xA20, 15),
280 	MTK_PIN_IES_SMT_SPEC(109, 109, 0xA30, 0),
281 	MTK_PIN_IES_SMT_SPEC(110, 110, 0xA20, 9),
282 	MTK_PIN_IES_SMT_SPEC(111, 111, 0xA20, 8),
283 	MTK_PIN_IES_SMT_SPEC(112, 112, 0xA20, 7),
284 	MTK_PIN_IES_SMT_SPEC(113, 113, 0xA20, 6),
285 	MTK_PIN_IES_SMT_SPEC(114, 114, 0xA20, 10),
286 	MTK_PIN_IES_SMT_SPEC(115, 115, 0xA20, 1),
287 	MTK_PIN_IES_SMT_SPEC(116, 116, 0xA20, 0),
288 	MTK_PIN_IES_SMT_SPEC(117, 117, 0xA20, 5),
289 	MTK_PIN_IES_SMT_SPEC(118, 118, 0xA20, 4),
290 	MTK_PIN_IES_SMT_SPEC(119, 119, 0xA20, 3),
291 	MTK_PIN_IES_SMT_SPEC(120, 120, 0xA20, 2),
292 	MTK_PIN_IES_SMT_SPEC(121, 124, 0xA10, 9),
293 };
294 
295 static int mt8516_ies_smt_set(struct regmap *regmap, unsigned int pin,
296 		unsigned char align, int value, enum pin_config_param arg)
297 {
298 	if (arg == PIN_CONFIG_INPUT_ENABLE)
299 		return mtk_pconf_spec_set_ies_smt_range(regmap, mt8516_ies_set,
300 			ARRAY_SIZE(mt8516_ies_set), pin, align, value);
301 	else if (arg == PIN_CONFIG_INPUT_SCHMITT_ENABLE)
302 		return mtk_pconf_spec_set_ies_smt_range(regmap, mt8516_smt_set,
303 			ARRAY_SIZE(mt8516_smt_set), pin, align, value);
304 	return -EINVAL;
305 }
306 
307 static const struct mtk_pinctrl_devdata mt8516_pinctrl_data = {
308 	.pins = mtk_pins_mt8516,
309 	.npins = ARRAY_SIZE(mtk_pins_mt8516),
310 	.grp_desc = mt8516_drv_grp,
311 	.n_grp_cls = ARRAY_SIZE(mt8516_drv_grp),
312 	.pin_drv_grp = mt8516_pin_drv,
313 	.n_pin_drv_grps = ARRAY_SIZE(mt8516_pin_drv),
314 	.spec_pull_set = mt8516_spec_pull_set,
315 	.spec_ies_smt_set = mt8516_ies_smt_set,
316 	.dir_offset = 0x0000,
317 	.pullen_offset = 0x0500,
318 	.pullsel_offset = 0x0600,
319 	.dout_offset = 0x0100,
320 	.din_offset = 0x0200,
321 	.pinmux_offset = 0x0300,
322 	.type1_start = 125,
323 	.type1_end = 125,
324 	.port_shf = 4,
325 	.port_mask = 0xf,
326 	.port_align = 4,
327 	.mode_mask = 0xf,
328 	.mode_per_reg = 5,
329 	.mode_shf = 4,
330 	.eint_hw = {
331 		.port_mask = 7,
332 		.ports     = 6,
333 		.ap_num    = 169,
334 		.db_cnt    = 64,
335 	},
336 };
337 
338 static int mt8516_pinctrl_probe(struct platform_device *pdev)
339 {
340 	return mtk_pctrl_init(pdev, &mt8516_pinctrl_data, NULL);
341 }
342 
343 static const struct of_device_id mt8516_pctrl_match[] = {
344 	{
345 		.compatible = "mediatek,mt8516-pinctrl",
346 	},
347 	{}
348 };
349 
350 MODULE_DEVICE_TABLE(of, mt8516_pctrl_match);
351 
352 static struct platform_driver mtk_pinctrl_driver = {
353 	.probe = mt8516_pinctrl_probe,
354 	.driver = {
355 		.name = "mediatek-mt8516-pinctrl",
356 		.of_match_table = mt8516_pctrl_match,
357 		.pm = &mtk_eint_pm_ops,
358 	},
359 };
360 
361 static int __init mtk_pinctrl_init(void)
362 {
363 	return platform_driver_register(&mtk_pinctrl_driver);
364 }
365 arch_initcall(mtk_pinctrl_init);
366