1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3 * Copyright (C) ST-Ericsson SA 2012
4 *
5 * Author: Patrice Chotard <patrice.chotard@stericsson.com> for ST-Ericsson.
6 */
7
8 #include <linux/kernel.h>
9 #include <linux/gpio/driver.h>
10 #include <linux/pinctrl/pinctrl.h>
11 #include <linux/mfd/abx500/ab8500.h>
12 #include "pinctrl-abx500.h"
13
14 /* All the pins that can be used for GPIO and some other functions */
15 #define ABX500_GPIO(offset) (offset)
16
17 #define AB8505_PIN_N4 ABX500_GPIO(1)
18 #define AB8505_PIN_R5 ABX500_GPIO(2)
19 #define AB8505_PIN_P5 ABX500_GPIO(3)
20 /* hole */
21 #define AB8505_PIN_B16 ABX500_GPIO(10)
22 #define AB8505_PIN_B17 ABX500_GPIO(11)
23 /* hole */
24 #define AB8505_PIN_D17 ABX500_GPIO(13)
25 #define AB8505_PIN_C16 ABX500_GPIO(14)
26 /* hole */
27 #define AB8505_PIN_P2 ABX500_GPIO(17)
28 #define AB8505_PIN_N3 ABX500_GPIO(18)
29 #define AB8505_PIN_T1 ABX500_GPIO(19)
30 #define AB8505_PIN_P3 ABX500_GPIO(20)
31 /* hole */
32 #define AB8505_PIN_H14 ABX500_GPIO(34)
33 /* hole */
34 #define AB8505_PIN_J15 ABX500_GPIO(40)
35 #define AB8505_PIN_J14 ABX500_GPIO(41)
36 /* hole */
37 #define AB8505_PIN_L4 ABX500_GPIO(50)
38 /* hole */
39 #define AB8505_PIN_D16 ABX500_GPIO(52)
40 #define AB8505_PIN_D15 ABX500_GPIO(53)
41
42 /* indicates the higher GPIO number */
43 #define AB8505_GPIO_MAX_NUMBER 53
44
45 /*
46 * The names of the pins are denoted by GPIO number and ball name, even
47 * though they can be used for other things than GPIO, this is the first
48 * column in the table of the data sheet and often used on schematics and
49 * such.
50 */
51 static const struct pinctrl_pin_desc ab8505_pins[] = {
52 PINCTRL_PIN(AB8505_PIN_N4, "GPIO1_N4"),
53 PINCTRL_PIN(AB8505_PIN_R5, "GPIO2_R5"),
54 PINCTRL_PIN(AB8505_PIN_P5, "GPIO3_P5"),
55 /* hole */
56 PINCTRL_PIN(AB8505_PIN_B16, "GPIO10_B16"),
57 PINCTRL_PIN(AB8505_PIN_B17, "GPIO11_B17"),
58 /* hole */
59 PINCTRL_PIN(AB8505_PIN_D17, "GPIO13_D17"),
60 PINCTRL_PIN(AB8505_PIN_C16, "GPIO14_C16"),
61 /* hole */
62 PINCTRL_PIN(AB8505_PIN_P2, "GPIO17_P2"),
63 PINCTRL_PIN(AB8505_PIN_N3, "GPIO18_N3"),
64 PINCTRL_PIN(AB8505_PIN_T1, "GPIO19_T1"),
65 PINCTRL_PIN(AB8505_PIN_P3, "GPIO20_P3"),
66 /* hole */
67 PINCTRL_PIN(AB8505_PIN_H14, "GPIO34_H14"),
68 /* hole */
69 PINCTRL_PIN(AB8505_PIN_J15, "GPIO40_J15"),
70 PINCTRL_PIN(AB8505_PIN_J14, "GPIO41_J14"),
71 /* hole */
72 PINCTRL_PIN(AB8505_PIN_L4, "GPIO50_L4"),
73 /* hole */
74 PINCTRL_PIN(AB8505_PIN_D16, "GPIO52_D16"),
75 PINCTRL_PIN(AB8505_PIN_D15, "GPIO53_D15"),
76 };
77
78 /*
79 * Maps local GPIO offsets to local pin numbers
80 */
81 static const struct abx500_pinrange ab8505_pinranges[] = {
82 ABX500_PINRANGE(1, 3, ABX500_ALT_A),
83 ABX500_PINRANGE(10, 2, ABX500_DEFAULT),
84 ABX500_PINRANGE(13, 1, ABX500_DEFAULT),
85 ABX500_PINRANGE(14, 1, ABX500_ALT_A),
86 ABX500_PINRANGE(17, 4, ABX500_ALT_A),
87 ABX500_PINRANGE(34, 1, ABX500_ALT_A),
88 ABX500_PINRANGE(40, 2, ABX500_ALT_A),
89 ABX500_PINRANGE(50, 1, ABX500_DEFAULT),
90 ABX500_PINRANGE(52, 2, ABX500_ALT_A),
91 };
92
93 /*
94 * Read the pin group names like this:
95 * sysclkreq2_d_1 = first groups of pins for sysclkreq2 on default function
96 *
97 * The groups are arranged as sets per altfunction column, so we can
98 * mux in one group at a time by selecting the same altfunction for them
99 * all. When functions require pins on different altfunctions, you need
100 * to combine several groups.
101 */
102
103 /* default column */
104 static const unsigned sysclkreq2_d_1_pins[] = { AB8505_PIN_N4 };
105 static const unsigned sysclkreq3_d_1_pins[] = { AB8505_PIN_R5 };
106 static const unsigned sysclkreq4_d_1_pins[] = { AB8505_PIN_P5 };
107 static const unsigned gpio10_d_1_pins[] = { AB8505_PIN_B16 };
108 static const unsigned gpio11_d_1_pins[] = { AB8505_PIN_B17 };
109 static const unsigned gpio13_d_1_pins[] = { AB8505_PIN_D17 };
110 static const unsigned pwmout1_d_1_pins[] = { AB8505_PIN_C16 };
111 /* audio data interface 2*/
112 static const unsigned adi2_d_1_pins[] = { AB8505_PIN_P2, AB8505_PIN_N3,
113 AB8505_PIN_T1, AB8505_PIN_P3 };
114 static const unsigned extcpena_d_1_pins[] = { AB8505_PIN_H14 };
115 /* modem SDA/SCL */
116 static const unsigned modsclsda_d_1_pins[] = { AB8505_PIN_J15, AB8505_PIN_J14 };
117 static const unsigned gpio50_d_1_pins[] = { AB8505_PIN_L4 };
118 static const unsigned resethw_d_1_pins[] = { AB8505_PIN_D16 };
119 static const unsigned service_d_1_pins[] = { AB8505_PIN_D15 };
120
121 /* Altfunction A column */
122 static const unsigned gpio1_a_1_pins[] = { AB8505_PIN_N4 };
123 static const unsigned gpio2_a_1_pins[] = { AB8505_PIN_R5 };
124 static const unsigned gpio3_a_1_pins[] = { AB8505_PIN_P5 };
125 static const unsigned hiqclkena_a_1_pins[] = { AB8505_PIN_B16 };
126 static const unsigned pdmclk_a_1_pins[] = { AB8505_PIN_B17 };
127 static const unsigned uarttxdata_a_1_pins[] = { AB8505_PIN_D17 };
128 static const unsigned gpio14_a_1_pins[] = { AB8505_PIN_C16 };
129 static const unsigned gpio17_a_1_pins[] = { AB8505_PIN_P2 };
130 static const unsigned gpio18_a_1_pins[] = { AB8505_PIN_N3 };
131 static const unsigned gpio19_a_1_pins[] = { AB8505_PIN_T1 };
132 static const unsigned gpio20_a_1_pins[] = { AB8505_PIN_P3 };
133 static const unsigned gpio34_a_1_pins[] = { AB8505_PIN_H14 };
134 static const unsigned gpio40_a_1_pins[] = { AB8505_PIN_J15 };
135 static const unsigned gpio41_a_1_pins[] = { AB8505_PIN_J14 };
136 static const unsigned uartrxdata_a_1_pins[] = { AB8505_PIN_J14 };
137 static const unsigned gpio50_a_1_pins[] = { AB8505_PIN_L4 };
138 static const unsigned gpio52_a_1_pins[] = { AB8505_PIN_D16 };
139 static const unsigned gpio53_a_1_pins[] = { AB8505_PIN_D15 };
140
141 /* Altfunction B colum */
142 static const unsigned pdmdata_b_1_pins[] = { AB8505_PIN_B16 };
143 static const unsigned extvibrapwm1_b_1_pins[] = { AB8505_PIN_D17 };
144 static const unsigned extvibrapwm2_b_1_pins[] = { AB8505_PIN_L4 };
145
146 /* Altfunction C column */
147 static const unsigned usbvdat_c_1_pins[] = { AB8505_PIN_D17 };
148
149 #define AB8505_PIN_GROUP(a, b) { .name = #a, .pins = a##_pins, \
150 .npins = ARRAY_SIZE(a##_pins), .altsetting = b }
151
152 static const struct abx500_pingroup ab8505_groups[] = {
153 AB8505_PIN_GROUP(sysclkreq2_d_1, ABX500_DEFAULT),
154 AB8505_PIN_GROUP(sysclkreq3_d_1, ABX500_DEFAULT),
155 AB8505_PIN_GROUP(sysclkreq4_d_1, ABX500_DEFAULT),
156 AB8505_PIN_GROUP(gpio10_d_1, ABX500_DEFAULT),
157 AB8505_PIN_GROUP(gpio11_d_1, ABX500_DEFAULT),
158 AB8505_PIN_GROUP(gpio13_d_1, ABX500_DEFAULT),
159 AB8505_PIN_GROUP(pwmout1_d_1, ABX500_DEFAULT),
160 AB8505_PIN_GROUP(adi2_d_1, ABX500_DEFAULT),
161 AB8505_PIN_GROUP(extcpena_d_1, ABX500_DEFAULT),
162 AB8505_PIN_GROUP(modsclsda_d_1, ABX500_DEFAULT),
163 AB8505_PIN_GROUP(gpio50_d_1, ABX500_DEFAULT),
164 AB8505_PIN_GROUP(resethw_d_1, ABX500_DEFAULT),
165 AB8505_PIN_GROUP(service_d_1, ABX500_DEFAULT),
166 AB8505_PIN_GROUP(gpio1_a_1, ABX500_ALT_A),
167 AB8505_PIN_GROUP(gpio2_a_1, ABX500_ALT_A),
168 AB8505_PIN_GROUP(gpio3_a_1, ABX500_ALT_A),
169 AB8505_PIN_GROUP(hiqclkena_a_1, ABX500_ALT_A),
170 AB8505_PIN_GROUP(pdmclk_a_1, ABX500_ALT_A),
171 AB8505_PIN_GROUP(uarttxdata_a_1, ABX500_ALT_A),
172 AB8505_PIN_GROUP(gpio14_a_1, ABX500_ALT_A),
173 AB8505_PIN_GROUP(gpio17_a_1, ABX500_ALT_A),
174 AB8505_PIN_GROUP(gpio18_a_1, ABX500_ALT_A),
175 AB8505_PIN_GROUP(gpio19_a_1, ABX500_ALT_A),
176 AB8505_PIN_GROUP(gpio20_a_1, ABX500_ALT_A),
177 AB8505_PIN_GROUP(gpio34_a_1, ABX500_ALT_A),
178 AB8505_PIN_GROUP(gpio40_a_1, ABX500_ALT_A),
179 AB8505_PIN_GROUP(gpio41_a_1, ABX500_ALT_A),
180 AB8505_PIN_GROUP(uartrxdata_a_1, ABX500_ALT_A),
181 AB8505_PIN_GROUP(gpio52_a_1, ABX500_ALT_A),
182 AB8505_PIN_GROUP(gpio53_a_1, ABX500_ALT_A),
183 AB8505_PIN_GROUP(pdmdata_b_1, ABX500_ALT_B),
184 AB8505_PIN_GROUP(extvibrapwm1_b_1, ABX500_ALT_B),
185 AB8505_PIN_GROUP(extvibrapwm2_b_1, ABX500_ALT_B),
186 AB8505_PIN_GROUP(usbvdat_c_1, ABX500_ALT_C),
187 };
188
189 /* We use this macro to define the groups applicable to a function */
190 #define AB8505_FUNC_GROUPS(a, b...) \
191 static const char * const a##_groups[] = { b };
192
193 AB8505_FUNC_GROUPS(sysclkreq, "sysclkreq2_d_1", "sysclkreq3_d_1",
194 "sysclkreq4_d_1");
195 AB8505_FUNC_GROUPS(gpio, "gpio1_a_1", "gpio2_a_1", "gpio3_a_1",
196 "gpio10_d_1", "gpio11_d_1", "gpio13_d_1", "gpio14_a_1",
197 "gpio17_a_1", "gpio18_a_1", "gpio19_a_1", "gpio20_a_1",
198 "gpio34_a_1", "gpio40_a_1", "gpio41_a_1", "gpio50_d_1",
199 "gpio52_a_1", "gpio53_a_1");
200 AB8505_FUNC_GROUPS(pwmout, "pwmout1_d_1");
201 AB8505_FUNC_GROUPS(adi2, "adi2_d_1");
202 AB8505_FUNC_GROUPS(extcpena, "extcpena_d_1");
203 AB8505_FUNC_GROUPS(modsclsda, "modsclsda_d_1");
204 AB8505_FUNC_GROUPS(resethw, "resethw_d_1");
205 AB8505_FUNC_GROUPS(service, "service_d_1");
206 AB8505_FUNC_GROUPS(hiqclkena, "hiqclkena_a_1");
207 AB8505_FUNC_GROUPS(pdm, "pdmclk_a_1", "pdmdata_b_1");
208 AB8505_FUNC_GROUPS(uartdata, "uarttxdata_a_1", "uartrxdata_a_1");
209 AB8505_FUNC_GROUPS(extvibra, "extvibrapwm1_b_1", "extvibrapwm2_b_1");
210 AB8505_FUNC_GROUPS(usbvdat, "usbvdat_c_1");
211
212 #define FUNCTION(fname) \
213 { \
214 .name = #fname, \
215 .groups = fname##_groups, \
216 .ngroups = ARRAY_SIZE(fname##_groups), \
217 }
218
219 static const struct abx500_function ab8505_functions[] = {
220 FUNCTION(sysclkreq),
221 FUNCTION(gpio),
222 FUNCTION(pwmout),
223 FUNCTION(adi2),
224 FUNCTION(extcpena),
225 FUNCTION(modsclsda),
226 FUNCTION(resethw),
227 FUNCTION(service),
228 FUNCTION(hiqclkena),
229 FUNCTION(pdm),
230 FUNCTION(uartdata),
231 FUNCTION(extvibra),
232 FUNCTION(extvibra),
233 FUNCTION(usbvdat),
234 };
235
236 /*
237 * this table translates what's is in the AB8505 specification regarding the
238 * balls alternate functions (as for DB, default, ALT_A, ALT_B and ALT_C).
239 * ALTERNATE_FUNCTIONS(GPIO_NUMBER, GPIOSEL bit, ALTERNATFUNC bit1,
240 * ALTERNATEFUNC bit2, ALTA val, ALTB val, ALTC val),
241 *
242 * example :
243 *
244 * ALTERNATE_FUNCTIONS(13, 4, 3, 4, 1, 0, 2),
245 * means that pin AB8505_PIN_D18 (pin 13) supports 4 mux (default/ALT_A,
246 * ALT_B and ALT_C), so GPIOSEL and ALTERNATFUNC registers are used to
247 * select the mux. ALTA, ALTB and ALTC val indicates values to write in
248 * ALTERNATFUNC register. We need to specifies these values as SOC
249 * designers didn't apply the same logic on how to select mux in the
250 * ABx500 family.
251 *
252 * As this pins supports at least ALT_B mux, default mux is
253 * selected by writing 1 in GPIOSEL bit :
254 *
255 * | GPIOSEL bit=4 | alternatfunc bit2=4 | alternatfunc bit1=3
256 * default | 1 | 0 | 0
257 * alt_A | 0 | 0 | 1
258 * alt_B | 0 | 0 | 0
259 * alt_C | 0 | 1 | 0
260 *
261 * ALTERNATE_FUNCTIONS(1, 0, UNUSED, UNUSED),
262 * means that pin AB9540_PIN_R4 (pin 1) supports 2 mux, so only GPIOSEL
263 * register is used to select the mux. As this pins doesn't support at
264 * least ALT_B mux, default mux is by writing 0 in GPIOSEL bit :
265 *
266 * | GPIOSEL bit=0 | alternatfunc bit2= | alternatfunc bit1=
267 * default | 0 | 0 | 0
268 * alt_A | 1 | 0 | 0
269 */
270
271 static struct
272 alternate_functions ab8505_alternate_functions[AB8505_GPIO_MAX_NUMBER + 1] = {
273 ALTERNATE_FUNCTIONS(0, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO0 */
274 ALTERNATE_FUNCTIONS(1, 0, UNUSED, UNUSED, 0, 0, 0), /* GPIO1, altA controlled by bit 0 */
275 ALTERNATE_FUNCTIONS(2, 1, UNUSED, UNUSED, 0, 0, 0), /* GPIO2, altA controlled by bit 1 */
276 ALTERNATE_FUNCTIONS(3, 2, UNUSED, UNUSED, 0, 0, 0), /* GPIO3, altA controlled by bit 2*/
277 ALTERNATE_FUNCTIONS(4, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO4, bit 3 reserved */
278 ALTERNATE_FUNCTIONS(5, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO5, bit 4 reserved */
279 ALTERNATE_FUNCTIONS(6, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO6, bit 5 reserved */
280 ALTERNATE_FUNCTIONS(7, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO7, bit 6 reserved */
281 ALTERNATE_FUNCTIONS(8, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO8, bit 7 reserved */
282
283 ALTERNATE_FUNCTIONS(9, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO9, bit 0 reserved */
284 ALTERNATE_FUNCTIONS(10, 1, 0, UNUSED, 1, 0, 0), /* GPIO10, altA and altB controlled by bit 0 */
285 ALTERNATE_FUNCTIONS(11, 2, 1, UNUSED, 0, 0, 0), /* GPIO11, altA controlled by bit 2 */
286 ALTERNATE_FUNCTIONS(12, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO12, bit3 reserved */
287 ALTERNATE_FUNCTIONS(13, 4, 3, 4, 1, 0, 2), /* GPIO13, altA altB and altC controlled by bit 3 and 4 */
288 ALTERNATE_FUNCTIONS(14, 5, UNUSED, UNUSED, 0, 0, 0), /* GPIO14, altA controlled by bit 5 */
289 ALTERNATE_FUNCTIONS(15, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO15, bit 6 reserved */
290 ALTERNATE_FUNCTIONS(16, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO15, bit 7 reserved */
291 /*
292 * pins 17 to 20 are special case, only bit 0 is used to select
293 * alternate function for these 4 pins.
294 * bits 1 to 3 are reserved
295 */
296 ALTERNATE_FUNCTIONS(17, 0, UNUSED, UNUSED, 0, 0, 0), /* GPIO17, altA controlled by bit 0 */
297 ALTERNATE_FUNCTIONS(18, 0, UNUSED, UNUSED, 0, 0, 0), /* GPIO18, altA controlled by bit 0 */
298 ALTERNATE_FUNCTIONS(19, 0, UNUSED, UNUSED, 0, 0, 0), /* GPIO19, altA controlled by bit 0 */
299 ALTERNATE_FUNCTIONS(20, 0, UNUSED, UNUSED, 0, 0, 0), /* GPIO20, altA controlled by bit 0 */
300 ALTERNATE_FUNCTIONS(21, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO21, bit 4 reserved */
301 ALTERNATE_FUNCTIONS(22, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO22, bit 5 reserved */
302 ALTERNATE_FUNCTIONS(23, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO23, bit 6 reserved */
303 ALTERNATE_FUNCTIONS(24, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO24, bit 7 reserved */
304
305 ALTERNATE_FUNCTIONS(25, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO25, bit 0 reserved */
306 ALTERNATE_FUNCTIONS(26, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO26, bit 1 reserved */
307 ALTERNATE_FUNCTIONS(27, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO27, bit 2 reserved */
308 ALTERNATE_FUNCTIONS(28, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO28, bit 3 reserved */
309 ALTERNATE_FUNCTIONS(29, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO29, bit 4 reserved */
310 ALTERNATE_FUNCTIONS(30, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO30, bit 5 reserved */
311 ALTERNATE_FUNCTIONS(31, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO31, bit 6 reserved */
312 ALTERNATE_FUNCTIONS(32, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO32, bit 7 reserved */
313
314 ALTERNATE_FUNCTIONS(33, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO33, bit 0 reserved */
315 ALTERNATE_FUNCTIONS(34, 1, UNUSED, UNUSED, 0, 0, 0), /* GPIO34, altA controlled by bit 1 */
316 ALTERNATE_FUNCTIONS(35, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO35, bit 2 reserved */
317 ALTERNATE_FUNCTIONS(36, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO36, bit 2 reserved */
318 ALTERNATE_FUNCTIONS(37, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO37, bit 2 reserved */
319 ALTERNATE_FUNCTIONS(38, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO38, bit 2 reserved */
320 ALTERNATE_FUNCTIONS(39, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO39, bit 2 reserved */
321 ALTERNATE_FUNCTIONS(40, 7, UNUSED, UNUSED, 0, 0, 0), /* GPIO40, altA controlled by bit 7*/
322
323 ALTERNATE_FUNCTIONS(41, 0, UNUSED, UNUSED, 0, 0, 0), /* GPIO41, altA controlled by bit 0 */
324 ALTERNATE_FUNCTIONS(42, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO42, bit 1 reserved */
325 ALTERNATE_FUNCTIONS(43, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO43, bit 2 reserved */
326 ALTERNATE_FUNCTIONS(44, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO44, bit 3 reserved */
327 ALTERNATE_FUNCTIONS(45, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO45, bit 4 reserved */
328 ALTERNATE_FUNCTIONS(46, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO46, bit 5 reserved */
329 ALTERNATE_FUNCTIONS(47, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO47, bit 6 reserved */
330 ALTERNATE_FUNCTIONS(48, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO48, bit 7 reserved */
331
332 ALTERNATE_FUNCTIONS(49, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO49, bit 0 reserved */
333 ALTERNATE_FUNCTIONS(50, 1, 2, UNUSED, 1, 0, 0), /* GPIO50, altA controlled by bit 1 */
334 ALTERNATE_FUNCTIONS(51, UNUSED, UNUSED, UNUSED, 0, 0, 0), /* no GPIO49, bit 0 reserved */
335 ALTERNATE_FUNCTIONS(52, 3, UNUSED, UNUSED, 0, 0, 0), /* GPIO52, altA controlled by bit 3 */
336 ALTERNATE_FUNCTIONS(53, 4, UNUSED, UNUSED, 0, 0, 0), /* GPIO53, altA controlled by bit 4 */
337 };
338
339 /*
340 * For AB8505 Only some GPIOs are interrupt capable, and they are
341 * organized in discontiguous clusters:
342 *
343 * GPIO10 to GPIO11
344 * GPIO13
345 * GPIO40 and GPIO41
346 * GPIO50
347 * GPIO52 to GPIO53
348 */
349 static struct abx500_gpio_irq_cluster ab8505_gpio_irq_cluster[] = {
350 GPIO_IRQ_CLUSTER(10, 11, AB8500_INT_GPIO10R),
351 GPIO_IRQ_CLUSTER(13, 13, AB8500_INT_GPIO13R),
352 GPIO_IRQ_CLUSTER(40, 41, AB8500_INT_GPIO40R),
353 GPIO_IRQ_CLUSTER(50, 50, AB9540_INT_GPIO50R),
354 GPIO_IRQ_CLUSTER(52, 53, AB9540_INT_GPIO52R),
355 };
356
357 static struct abx500_pinctrl_soc_data ab8505_soc = {
358 .gpio_ranges = ab8505_pinranges,
359 .gpio_num_ranges = ARRAY_SIZE(ab8505_pinranges),
360 .pins = ab8505_pins,
361 .npins = ARRAY_SIZE(ab8505_pins),
362 .functions = ab8505_functions,
363 .nfunctions = ARRAY_SIZE(ab8505_functions),
364 .groups = ab8505_groups,
365 .ngroups = ARRAY_SIZE(ab8505_groups),
366 .alternate_functions = ab8505_alternate_functions,
367 .gpio_irq_cluster = ab8505_gpio_irq_cluster,
368 .ngpio_irq_cluster = ARRAY_SIZE(ab8505_gpio_irq_cluster),
369 .irq_gpio_rising_offset = AB8500_INT_GPIO6R,
370 .irq_gpio_falling_offset = AB8500_INT_GPIO6F,
371 .irq_gpio_factor = 1,
372 };
373
374 void
abx500_pinctrl_ab8505_init(struct abx500_pinctrl_soc_data ** soc)375 abx500_pinctrl_ab8505_init(struct abx500_pinctrl_soc_data **soc)
376 {
377 *soc = &ab8505_soc;
378 }
379
