Commit | Line | Data |
---|---|---|
d2e7eca3 JL |
1 | /* linux/arch/arm/mach-s5pv310/gpiolib.c |
2 | * | |
3 | * Copyright (c) 2010 Samsung Electronics Co., Ltd. | |
4 | * http://www.samsung.com | |
5 | * | |
6 | * S5PV310 - GPIOlib support | |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License version 2 as | |
10 | * published by the Free Software Foundation. | |
11 | */ | |
12 | ||
13 | #include <linux/kernel.h> | |
14 | #include <linux/irq.h> | |
15 | #include <linux/io.h> | |
16 | #include <linux/gpio.h> | |
17 | ||
18 | #include <mach/map.h> | |
19 | ||
20 | #include <plat/gpio-core.h> | |
21 | #include <plat/gpio-cfg.h> | |
22 | #include <plat/gpio-cfg-helpers.h> | |
23 | ||
24 | static struct s3c_gpio_cfg gpio_cfg = { | |
25 | .set_config = s3c_gpio_setcfg_s3c64xx_4bit, | |
26 | .set_pull = s3c_gpio_setpull_updown, | |
27 | .get_pull = s3c_gpio_getpull_updown, | |
28 | }; | |
29 | ||
30 | static struct s3c_gpio_cfg gpio_cfg_noint = { | |
31 | .set_config = s3c_gpio_setcfg_s3c64xx_4bit, | |
32 | .set_pull = s3c_gpio_setpull_updown, | |
33 | .get_pull = s3c_gpio_getpull_updown, | |
34 | }; | |
35 | ||
36 | /* | |
37 | * Following are the gpio banks in v310. | |
38 | * | |
39 | * The 'config' member when left to NULL, is initialized to the default | |
40 | * structure gpio_cfg in the init function below. | |
41 | * | |
42 | * The 'base' member is also initialized in the init function below. | |
43 | * Note: The initialization of 'base' member of s3c_gpio_chip structure | |
44 | * uses the above macro and depends on the banks being listed in order here. | |
45 | */ | |
46 | static struct s3c_gpio_chip s5pv310_gpio_part1_4bit[] = { | |
47 | { | |
48 | .chip = { | |
49 | .base = S5PV310_GPA0(0), | |
50 | .ngpio = S5PV310_GPIO_A0_NR, | |
51 | .label = "GPA0", | |
52 | }, | |
53 | }, { | |
54 | .chip = { | |
55 | .base = S5PV310_GPA1(0), | |
56 | .ngpio = S5PV310_GPIO_A1_NR, | |
57 | .label = "GPA1", | |
58 | }, | |
59 | }, { | |
60 | .chip = { | |
61 | .base = S5PV310_GPB(0), | |
62 | .ngpio = S5PV310_GPIO_B_NR, | |
63 | .label = "GPB", | |
64 | }, | |
65 | }, { | |
66 | .chip = { | |
67 | .base = S5PV310_GPC0(0), | |
68 | .ngpio = S5PV310_GPIO_C0_NR, | |
69 | .label = "GPC0", | |
70 | }, | |
71 | }, { | |
72 | .chip = { | |
73 | .base = S5PV310_GPC1(0), | |
74 | .ngpio = S5PV310_GPIO_C1_NR, | |
75 | .label = "GPC1", | |
76 | }, | |
77 | }, { | |
78 | .chip = { | |
79 | .base = S5PV310_GPD0(0), | |
80 | .ngpio = S5PV310_GPIO_D0_NR, | |
81 | .label = "GPD0", | |
82 | }, | |
83 | }, { | |
84 | .chip = { | |
85 | .base = S5PV310_GPD1(0), | |
86 | .ngpio = S5PV310_GPIO_D1_NR, | |
87 | .label = "GPD1", | |
88 | }, | |
89 | }, { | |
90 | .chip = { | |
91 | .base = S5PV310_GPE0(0), | |
92 | .ngpio = S5PV310_GPIO_E0_NR, | |
93 | .label = "GPE0", | |
94 | }, | |
95 | }, { | |
96 | .chip = { | |
97 | .base = S5PV310_GPE1(0), | |
98 | .ngpio = S5PV310_GPIO_E1_NR, | |
99 | .label = "GPE1", | |
100 | }, | |
101 | }, { | |
102 | .chip = { | |
103 | .base = S5PV310_GPE2(0), | |
104 | .ngpio = S5PV310_GPIO_E2_NR, | |
105 | .label = "GPE2", | |
106 | }, | |
107 | }, { | |
108 | .chip = { | |
109 | .base = S5PV310_GPE3(0), | |
110 | .ngpio = S5PV310_GPIO_E3_NR, | |
111 | .label = "GPE3", | |
112 | }, | |
113 | }, { | |
114 | .chip = { | |
115 | .base = S5PV310_GPE4(0), | |
116 | .ngpio = S5PV310_GPIO_E4_NR, | |
117 | .label = "GPE4", | |
118 | }, | |
119 | }, { | |
120 | .chip = { | |
121 | .base = S5PV310_GPF0(0), | |
122 | .ngpio = S5PV310_GPIO_F0_NR, | |
123 | .label = "GPF0", | |
124 | }, | |
125 | }, { | |
126 | .chip = { | |
127 | .base = S5PV310_GPF1(0), | |
128 | .ngpio = S5PV310_GPIO_F1_NR, | |
129 | .label = "GPF1", | |
130 | }, | |
131 | }, { | |
132 | .chip = { | |
133 | .base = S5PV310_GPF2(0), | |
134 | .ngpio = S5PV310_GPIO_F2_NR, | |
135 | .label = "GPF2", | |
136 | }, | |
137 | }, { | |
138 | .chip = { | |
139 | .base = S5PV310_GPF3(0), | |
140 | .ngpio = S5PV310_GPIO_F3_NR, | |
141 | .label = "GPF3", | |
142 | }, | |
143 | }, | |
144 | }; | |
145 | ||
146 | static struct s3c_gpio_chip s5pv310_gpio_part2_4bit[] = { | |
147 | { | |
148 | .chip = { | |
149 | .base = S5PV310_GPJ0(0), | |
150 | .ngpio = S5PV310_GPIO_J0_NR, | |
151 | .label = "GPJ0", | |
152 | }, | |
153 | }, { | |
154 | .chip = { | |
155 | .base = S5PV310_GPJ1(0), | |
156 | .ngpio = S5PV310_GPIO_J1_NR, | |
157 | .label = "GPJ1", | |
158 | }, | |
159 | }, { | |
160 | .chip = { | |
161 | .base = S5PV310_GPK0(0), | |
162 | .ngpio = S5PV310_GPIO_K0_NR, | |
163 | .label = "GPK0", | |
164 | }, | |
165 | }, { | |
166 | .chip = { | |
167 | .base = S5PV310_GPK1(0), | |
168 | .ngpio = S5PV310_GPIO_K1_NR, | |
169 | .label = "GPK1", | |
170 | }, | |
171 | }, { | |
172 | .chip = { | |
173 | .base = S5PV310_GPK2(0), | |
174 | .ngpio = S5PV310_GPIO_K2_NR, | |
175 | .label = "GPK2", | |
176 | }, | |
177 | }, { | |
178 | .chip = { | |
179 | .base = S5PV310_GPK3(0), | |
180 | .ngpio = S5PV310_GPIO_K3_NR, | |
181 | .label = "GPK3", | |
182 | }, | |
183 | }, { | |
184 | .chip = { | |
185 | .base = S5PV310_GPL0(0), | |
186 | .ngpio = S5PV310_GPIO_L0_NR, | |
187 | .label = "GPL0", | |
188 | }, | |
189 | }, { | |
190 | .chip = { | |
191 | .base = S5PV310_GPL1(0), | |
192 | .ngpio = S5PV310_GPIO_L1_NR, | |
193 | .label = "GPL1", | |
194 | }, | |
195 | }, { | |
196 | .chip = { | |
197 | .base = S5PV310_GPL2(0), | |
198 | .ngpio = S5PV310_GPIO_L2_NR, | |
199 | .label = "GPL2", | |
200 | }, | |
201 | }, { | |
202 | .base = (S5P_VA_GPIO2 + 0xC00), | |
203 | .config = &gpio_cfg_noint, | |
204 | .irq_base = IRQ_EINT(0), | |
205 | .chip = { | |
206 | .base = S5PV310_GPX0(0), | |
207 | .ngpio = S5PV310_GPIO_X0_NR, | |
208 | .label = "GPX0", | |
209 | .to_irq = samsung_gpiolib_to_irq, | |
210 | }, | |
211 | }, { | |
212 | .base = (S5P_VA_GPIO2 + 0xC20), | |
213 | .config = &gpio_cfg_noint, | |
214 | .irq_base = IRQ_EINT(8), | |
215 | .chip = { | |
216 | .base = S5PV310_GPX1(0), | |
217 | .ngpio = S5PV310_GPIO_X1_NR, | |
218 | .label = "GPX1", | |
219 | .to_irq = samsung_gpiolib_to_irq, | |
220 | }, | |
221 | }, { | |
222 | .base = (S5P_VA_GPIO2 + 0xC40), | |
223 | .config = &gpio_cfg_noint, | |
224 | .irq_base = IRQ_EINT(16), | |
225 | .chip = { | |
226 | .base = S5PV310_GPX2(0), | |
227 | .ngpio = S5PV310_GPIO_X2_NR, | |
228 | .label = "GPX2", | |
229 | .to_irq = samsung_gpiolib_to_irq, | |
230 | }, | |
231 | }, { | |
232 | .base = (S5P_VA_GPIO2 + 0xC60), | |
233 | .config = &gpio_cfg_noint, | |
234 | .irq_base = IRQ_EINT(24), | |
235 | .chip = { | |
236 | .base = S5PV310_GPX3(0), | |
237 | .ngpio = S5PV310_GPIO_X3_NR, | |
238 | .label = "GPX3", | |
239 | .to_irq = samsung_gpiolib_to_irq, | |
240 | }, | |
241 | }, | |
242 | }; | |
243 | ||
244 | static struct s3c_gpio_chip s5pv310_gpio_part3_4bit[] = { | |
245 | { | |
246 | .chip = { | |
247 | .base = S5PV310_GPZ(0), | |
248 | .ngpio = S5PV310_GPIO_Z_NR, | |
249 | .label = "GPZ", | |
250 | }, | |
251 | }, | |
252 | }; | |
253 | ||
254 | static __init int s5pv310_gpiolib_init(void) | |
255 | { | |
256 | struct s3c_gpio_chip *chip; | |
257 | int i; | |
258 | int nr_chips; | |
259 | ||
260 | /* GPIO part 1 */ | |
261 | ||
262 | chip = s5pv310_gpio_part1_4bit; | |
263 | nr_chips = ARRAY_SIZE(s5pv310_gpio_part1_4bit); | |
264 | ||
265 | for (i = 0; i < nr_chips; i++, chip++) { | |
266 | if (chip->config == NULL) | |
267 | chip->config = &gpio_cfg; | |
268 | if (chip->base == NULL) | |
269 | chip->base = S5P_VA_GPIO1 + (i) * 0x20; | |
270 | } | |
271 | ||
272 | samsung_gpiolib_add_4bit_chips(s5pv310_gpio_part1_4bit, nr_chips); | |
273 | ||
274 | /* GPIO part 2 */ | |
275 | ||
276 | chip = s5pv310_gpio_part2_4bit; | |
277 | nr_chips = ARRAY_SIZE(s5pv310_gpio_part2_4bit); | |
278 | ||
279 | for (i = 0; i < nr_chips; i++, chip++) { | |
280 | if (chip->config == NULL) | |
281 | chip->config = &gpio_cfg; | |
282 | if (chip->base == NULL) | |
283 | chip->base = S5P_VA_GPIO2 + (i) * 0x20; | |
284 | } | |
285 | ||
286 | samsung_gpiolib_add_4bit_chips(s5pv310_gpio_part2_4bit, nr_chips); | |
287 | ||
288 | /* GPIO part 3 */ | |
289 | ||
290 | chip = s5pv310_gpio_part3_4bit; | |
291 | nr_chips = ARRAY_SIZE(s5pv310_gpio_part3_4bit); | |
292 | ||
293 | for (i = 0; i < nr_chips; i++, chip++) { | |
294 | if (chip->config == NULL) | |
295 | chip->config = &gpio_cfg; | |
296 | if (chip->base == NULL) | |
297 | chip->base = S5P_VA_GPIO3 + (i) * 0x20; | |
298 | } | |
299 | ||
300 | samsung_gpiolib_add_4bit_chips(s5pv310_gpio_part3_4bit, nr_chips); | |
301 | ||
302 | return 0; | |
303 | } | |
304 | core_initcall(s5pv310_gpiolib_init); |