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Minkyu Kangb1b24682011-01-24 15:22:23 +09001/*
2 * (C) Copyright 2010 Samsung Electronics
3 * Minkyu Kang <mk7.kang@samsung.com>
4 *
Wolfgang Denkd79de1d2013-07-08 09:37:19 +02005 * SPDX-License-Identifier: GPL-2.0+
Minkyu Kangb1b24682011-01-24 15:22:23 +09006 */
7
8#ifndef __ASM_ARCH_GPIO_H
9#define __ASM_ARCH_GPIO_H
10
11#ifndef __ASSEMBLY__
12struct s5p_gpio_bank {
13 unsigned int con;
14 unsigned int dat;
15 unsigned int pull;
16 unsigned int drv;
17 unsigned int pdn_con;
18 unsigned int pdn_pull;
19 unsigned char res1[8];
20};
21
Chander Kashyap4131a772011-12-06 23:34:12 +000022struct exynos4_gpio_part1 {
Minkyu Kangb1b24682011-01-24 15:22:23 +090023 struct s5p_gpio_bank a0;
24 struct s5p_gpio_bank a1;
25 struct s5p_gpio_bank b;
26 struct s5p_gpio_bank c0;
27 struct s5p_gpio_bank c1;
28 struct s5p_gpio_bank d0;
29 struct s5p_gpio_bank d1;
30 struct s5p_gpio_bank e0;
31 struct s5p_gpio_bank e1;
32 struct s5p_gpio_bank e2;
33 struct s5p_gpio_bank e3;
34 struct s5p_gpio_bank e4;
35 struct s5p_gpio_bank f0;
36 struct s5p_gpio_bank f1;
37 struct s5p_gpio_bank f2;
38 struct s5p_gpio_bank f3;
39};
40
Chander Kashyap4131a772011-12-06 23:34:12 +000041struct exynos4_gpio_part2 {
Minkyu Kangb1b24682011-01-24 15:22:23 +090042 struct s5p_gpio_bank j0;
43 struct s5p_gpio_bank j1;
44 struct s5p_gpio_bank k0;
45 struct s5p_gpio_bank k1;
46 struct s5p_gpio_bank k2;
47 struct s5p_gpio_bank k3;
48 struct s5p_gpio_bank l0;
49 struct s5p_gpio_bank l1;
50 struct s5p_gpio_bank l2;
51 struct s5p_gpio_bank y0;
52 struct s5p_gpio_bank y1;
53 struct s5p_gpio_bank y2;
54 struct s5p_gpio_bank y3;
55 struct s5p_gpio_bank y4;
56 struct s5p_gpio_bank y5;
57 struct s5p_gpio_bank y6;
58 struct s5p_gpio_bank res1[80];
59 struct s5p_gpio_bank x0;
60 struct s5p_gpio_bank x1;
61 struct s5p_gpio_bank x2;
62 struct s5p_gpio_bank x3;
63};
64
Chander Kashyap4131a772011-12-06 23:34:12 +000065struct exynos4_gpio_part3 {
Minkyu Kangb1b24682011-01-24 15:22:23 +090066 struct s5p_gpio_bank z;
67};
68
Chander Kashyap252991e2012-12-25 20:13:42 +000069struct exynos4x12_gpio_part1 {
70 struct s5p_gpio_bank a0;
71 struct s5p_gpio_bank a1;
72 struct s5p_gpio_bank b;
73 struct s5p_gpio_bank c0;
74 struct s5p_gpio_bank c1;
75 struct s5p_gpio_bank d0;
76 struct s5p_gpio_bank d1;
77 struct s5p_gpio_bank res1[0x5];
78 struct s5p_gpio_bank f0;
79 struct s5p_gpio_bank f1;
80 struct s5p_gpio_bank f2;
81 struct s5p_gpio_bank f3;
82 struct s5p_gpio_bank res2[0x2];
83 struct s5p_gpio_bank j0;
84 struct s5p_gpio_bank j1;
85};
86
87struct exynos4x12_gpio_part2 {
88 struct s5p_gpio_bank res1[0x2];
89 struct s5p_gpio_bank k0;
90 struct s5p_gpio_bank k1;
91 struct s5p_gpio_bank k2;
92 struct s5p_gpio_bank k3;
93 struct s5p_gpio_bank l0;
94 struct s5p_gpio_bank l1;
95 struct s5p_gpio_bank l2;
96 struct s5p_gpio_bank y0;
97 struct s5p_gpio_bank y1;
98 struct s5p_gpio_bank y2;
99 struct s5p_gpio_bank y3;
100 struct s5p_gpio_bank y4;
101 struct s5p_gpio_bank y5;
102 struct s5p_gpio_bank y6;
103 struct s5p_gpio_bank res2[0x3];
104 struct s5p_gpio_bank m0;
105 struct s5p_gpio_bank m1;
106 struct s5p_gpio_bank m2;
107 struct s5p_gpio_bank m3;
108 struct s5p_gpio_bank m4;
109 struct s5p_gpio_bank res3[0x48];
110 struct s5p_gpio_bank x0;
111 struct s5p_gpio_bank x1;
112 struct s5p_gpio_bank x2;
113 struct s5p_gpio_bank x3;
114};
115
116struct exynos4x12_gpio_part3 {
117 struct s5p_gpio_bank z;
118};
119
120struct exynos4x12_gpio_part4 {
121 struct s5p_gpio_bank v0;
122 struct s5p_gpio_bank v1;
123 struct s5p_gpio_bank res1[0x1];
124 struct s5p_gpio_bank v2;
125 struct s5p_gpio_bank v3;
126 struct s5p_gpio_bank res2[0x1];
127 struct s5p_gpio_bank v4;
128};
129
Chander Kashyap34076a02012-02-05 23:01:46 +0000130struct exynos5_gpio_part1 {
131 struct s5p_gpio_bank a0;
132 struct s5p_gpio_bank a1;
133 struct s5p_gpio_bank a2;
134 struct s5p_gpio_bank b0;
135 struct s5p_gpio_bank b1;
136 struct s5p_gpio_bank b2;
137 struct s5p_gpio_bank b3;
138 struct s5p_gpio_bank c0;
139 struct s5p_gpio_bank c1;
140 struct s5p_gpio_bank c2;
141 struct s5p_gpio_bank c3;
142 struct s5p_gpio_bank d0;
143 struct s5p_gpio_bank d1;
144 struct s5p_gpio_bank y0;
145 struct s5p_gpio_bank y1;
146 struct s5p_gpio_bank y2;
147 struct s5p_gpio_bank y3;
148 struct s5p_gpio_bank y4;
149 struct s5p_gpio_bank y5;
150 struct s5p_gpio_bank y6;
Rajeshwari Shindeab337bc2012-07-03 20:02:59 +0000151 struct s5p_gpio_bank res1[0x3];
152 struct s5p_gpio_bank c4;
153 struct s5p_gpio_bank res2[0x48];
Chander Kashyap34076a02012-02-05 23:01:46 +0000154 struct s5p_gpio_bank x0;
155 struct s5p_gpio_bank x1;
156 struct s5p_gpio_bank x2;
157 struct s5p_gpio_bank x3;
158};
159
160struct exynos5_gpio_part2 {
161 struct s5p_gpio_bank e0;
162 struct s5p_gpio_bank e1;
163 struct s5p_gpio_bank f0;
164 struct s5p_gpio_bank f1;
165 struct s5p_gpio_bank g0;
166 struct s5p_gpio_bank g1;
167 struct s5p_gpio_bank g2;
168 struct s5p_gpio_bank h0;
169 struct s5p_gpio_bank h1;
170};
171
172struct exynos5_gpio_part3 {
173 struct s5p_gpio_bank v0;
174 struct s5p_gpio_bank v1;
Rajeshwari Shindeab337bc2012-07-03 20:02:59 +0000175 struct s5p_gpio_bank res1[0x1];
Chander Kashyap34076a02012-02-05 23:01:46 +0000176 struct s5p_gpio_bank v2;
177 struct s5p_gpio_bank v3;
Rajeshwari Shindeab337bc2012-07-03 20:02:59 +0000178 struct s5p_gpio_bank res2[0x1];
Chander Kashyap34076a02012-02-05 23:01:46 +0000179 struct s5p_gpio_bank v4;
180};
181
182struct exynos5_gpio_part4 {
183 struct s5p_gpio_bank z;
184};
185
Minkyu Kangb1b24682011-01-24 15:22:23 +0900186/* functions */
Łukasz Majewski4d954cc2011-07-15 00:16:22 +0000187void s5p_gpio_cfg_pin(struct s5p_gpio_bank *bank, int gpio, int cfg);
188void s5p_gpio_direction_output(struct s5p_gpio_bank *bank, int gpio, int en);
189void s5p_gpio_direction_input(struct s5p_gpio_bank *bank, int gpio);
190void s5p_gpio_set_value(struct s5p_gpio_bank *bank, int gpio, int en);
191unsigned int s5p_gpio_get_value(struct s5p_gpio_bank *bank, int gpio);
192void s5p_gpio_set_pull(struct s5p_gpio_bank *bank, int gpio, int mode);
193void s5p_gpio_set_drv(struct s5p_gpio_bank *bank, int gpio, int mode);
194void s5p_gpio_set_rate(struct s5p_gpio_bank *bank, int gpio, int mode);
Łukasz Majewski1e04cae2011-08-22 22:34:58 +0000195
196/* GPIO pins per bank */
197#define GPIO_PER_BANK 8
198
Chander Kashyap4131a772011-12-06 23:34:12 +0000199#define exynos4_gpio_part1_get_nr(bank, pin) \
200 ((((((unsigned int) &(((struct exynos4_gpio_part1 *) \
201 EXYNOS4_GPIO_PART1_BASE)->bank)) \
202 - EXYNOS4_GPIO_PART1_BASE) / sizeof(struct s5p_gpio_bank)) \
Łukasz Majewski1e04cae2011-08-22 22:34:58 +0000203 * GPIO_PER_BANK) + pin)
204
Chander Kashyap34076a02012-02-05 23:01:46 +0000205#define EXYNOS4_GPIO_PART1_MAX ((sizeof(struct exynos4_gpio_part1) \
Łukasz Majewski1e04cae2011-08-22 22:34:58 +0000206 / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
207
Chander Kashyap4131a772011-12-06 23:34:12 +0000208#define exynos4_gpio_part2_get_nr(bank, pin) \
209 (((((((unsigned int) &(((struct exynos4_gpio_part2 *) \
210 EXYNOS4_GPIO_PART2_BASE)->bank)) \
211 - EXYNOS4_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \
Chander Kashyap34076a02012-02-05 23:01:46 +0000212 * GPIO_PER_BANK) + pin) + EXYNOS4_GPIO_PART1_MAX)
213
Chander Kashyap252991e2012-12-25 20:13:42 +0000214#define exynos4x12_gpio_part1_get_nr(bank, pin) \
215 ((((((unsigned int) &(((struct exynos4x12_gpio_part1 *) \
216 EXYNOS4X12_GPIO_PART1_BASE)->bank)) \
217 - EXYNOS4X12_GPIO_PART1_BASE) / sizeof(struct s5p_gpio_bank)) \
218 * GPIO_PER_BANK) + pin)
219
220#define EXYNOS4X12_GPIO_PART1_MAX ((sizeof(struct exynos4x12_gpio_part1) \
221 / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
222
223#define exynos4x12_gpio_part2_get_nr(bank, pin) \
224 (((((((unsigned int) &(((struct exynos4x12_gpio_part2 *) \
225 EXYNOS4X12_GPIO_PART2_BASE)->bank)) \
226 - EXYNOS4X12_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \
227 * GPIO_PER_BANK) + pin) + EXYNOS4X12_GPIO_PART1_MAX)
228
229#define EXYNOS4X12_GPIO_PART2_MAX ((sizeof(struct exynos4x12_gpio_part2) \
230 / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
231
232#define exynos4x12_gpio_part3_get_nr(bank, pin) \
233 (((((((unsigned int) &(((struct exynos4x12_gpio_part3 *) \
234 EXYNOS4X12_GPIO_PART3_BASE)->bank)) \
235 - EXYNOS4X12_GPIO_PART3_BASE) / sizeof(struct s5p_gpio_bank)) \
236 * GPIO_PER_BANK) + pin) + EXYNOS4X12_GPIO_PART2_MAX)
237
Chander Kashyap34076a02012-02-05 23:01:46 +0000238#define exynos5_gpio_part1_get_nr(bank, pin) \
239 ((((((unsigned int) &(((struct exynos5_gpio_part1 *) \
240 EXYNOS5_GPIO_PART1_BASE)->bank)) \
241 - EXYNOS5_GPIO_PART1_BASE) / sizeof(struct s5p_gpio_bank)) \
242 * GPIO_PER_BANK) + pin)
243
244#define EXYNOS5_GPIO_PART1_MAX ((sizeof(struct exynos5_gpio_part1) \
245 / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
246
247#define exynos5_gpio_part2_get_nr(bank, pin) \
248 (((((((unsigned int) &(((struct exynos5_gpio_part2 *) \
249 EXYNOS5_GPIO_PART2_BASE)->bank)) \
250 - EXYNOS5_GPIO_PART2_BASE) / sizeof(struct s5p_gpio_bank)) \
251 * GPIO_PER_BANK) + pin) + EXYNOS5_GPIO_PART1_MAX)
252
253#define EXYNOS5_GPIO_PART2_MAX ((sizeof(struct exynos5_gpio_part2) \
254 / sizeof(struct s5p_gpio_bank)) * GPIO_PER_BANK)
255
256#define exynos5_gpio_part3_get_nr(bank, pin) \
257 (((((((unsigned int) &(((struct exynos5_gpio_part3 *) \
258 EXYNOS5_GPIO_PART3_BASE)->bank)) \
259 - EXYNOS5_GPIO_PART3_BASE) / sizeof(struct s5p_gpio_bank)) \
260 * GPIO_PER_BANK) + pin) + EXYNOS5_GPIO_PART2_MAX)
Łukasz Majewski1e04cae2011-08-22 22:34:58 +0000261
262static inline unsigned int s5p_gpio_base(int nr)
263{
Chander Kashyap34076a02012-02-05 23:01:46 +0000264 if (cpu_is_exynos5()) {
265 if (nr < EXYNOS5_GPIO_PART1_MAX)
266 return EXYNOS5_GPIO_PART1_BASE;
267 else if (nr < EXYNOS5_GPIO_PART2_MAX)
268 return EXYNOS5_GPIO_PART2_BASE;
269 else
270 return EXYNOS5_GPIO_PART3_BASE;
271
272 } else if (cpu_is_exynos4()) {
273 if (nr < EXYNOS4_GPIO_PART1_MAX)
274 return EXYNOS4_GPIO_PART1_BASE;
275 else
276 return EXYNOS4_GPIO_PART2_BASE;
277 }
Łukasz Majewski1e04cae2011-08-22 22:34:58 +0000278
279 return 0;
280}
281
Łukasz Majewskid6614b72012-09-04 21:47:46 +0000282static inline unsigned int s5p_gpio_part_max(int nr)
283{
284 if (cpu_is_exynos5()) {
285 if (nr < EXYNOS5_GPIO_PART1_MAX)
286 return 0;
287 else if (nr < EXYNOS5_GPIO_PART2_MAX)
288 return EXYNOS5_GPIO_PART1_MAX;
289 else
290 return EXYNOS5_GPIO_PART2_MAX;
291
292 } else if (cpu_is_exynos4()) {
Piotr Wilczeke4a61362013-05-21 15:39:04 +0200293 if (proid_is_exynos4412()) {
294 if (nr < EXYNOS4X12_GPIO_PART1_MAX)
295 return 0;
296 else if (nr < EXYNOS4X12_GPIO_PART2_MAX)
297 return EXYNOS4X12_GPIO_PART1_MAX;
298 else
299 return EXYNOS4X12_GPIO_PART2_MAX;
300 } else {
301 if (nr < EXYNOS4_GPIO_PART1_MAX)
302 return 0;
303 else
304 return EXYNOS4_GPIO_PART1_MAX;
305 }
Łukasz Majewskid6614b72012-09-04 21:47:46 +0000306 }
307
308 return 0;
309}
Minkyu Kangb1b24682011-01-24 15:22:23 +0900310#endif
311
312/* Pin configurations */
313#define GPIO_INPUT 0x0
314#define GPIO_OUTPUT 0x1
315#define GPIO_IRQ 0xf
316#define GPIO_FUNC(x) (x)
317
318/* Pull mode */
319#define GPIO_PULL_NONE 0x0
320#define GPIO_PULL_DOWN 0x1
Chander Kashyapb26418c2011-04-18 00:08:43 +0000321#define GPIO_PULL_UP 0x3
Minkyu Kangb1b24682011-01-24 15:22:23 +0900322
323/* Drive Strength level */
324#define GPIO_DRV_1X 0x0
Chander Kashyapb26418c2011-04-18 00:08:43 +0000325#define GPIO_DRV_3X 0x1
326#define GPIO_DRV_2X 0x2
Minkyu Kangb1b24682011-01-24 15:22:23 +0900327#define GPIO_DRV_4X 0x3
328#define GPIO_DRV_FAST 0x0
329#define GPIO_DRV_SLOW 0x1
Minkyu Kangb1b24682011-01-24 15:22:23 +0900330#endif