1 /* SPDX-License-Identifier: GPL-2.0
3 * SuperH Pin Function Controller Support
5 * Copyright (c) 2008 Magnus Damm
11 #include <linux/stringify.h>
21 #define SH_PFC_PIN_NONE U16_MAX
23 #define SH_PFC_PIN_CFG_INPUT (1 << 0)
24 #define SH_PFC_PIN_CFG_OUTPUT (1 << 1)
25 #define SH_PFC_PIN_CFG_PULL_UP (1 << 2)
26 #define SH_PFC_PIN_CFG_PULL_DOWN (1 << 3)
27 #define SH_PFC_PIN_CFG_PULL_UP_DOWN (SH_PFC_PIN_CFG_PULL_UP | \
28 SH_PFC_PIN_CFG_PULL_DOWN)
30 #define SH_PFC_PIN_CFG_IO_VOLTAGE_MASK GENMASK(5, 4)
31 #define SH_PFC_PIN_CFG_IO_VOLTAGE_18_25 (1 << 4)
32 #define SH_PFC_PIN_CFG_IO_VOLTAGE_18_33 (2 << 4)
33 #define SH_PFC_PIN_CFG_IO_VOLTAGE_25_33 (3 << 4)
35 #define SH_PFC_PIN_CFG_DRIVE_STRENGTH (1 << 6)
37 #define SH_PFC_PIN_CFG_NO_GPIO (1 << 31)
46 #define SH_PFC_PIN_GROUP_ALIAS(alias, _name) { \
48 .pins = _name##_pins, \
50 .nr_pins = ARRAY_SIZE(_name##_pins) + \
51 BUILD_BUG_ON_ZERO(sizeof(_name##_pins) != sizeof(_name##_mux)), \
53 #define SH_PFC_PIN_GROUP(name) SH_PFC_PIN_GROUP_ALIAS(name, name)
56 * Define a pin group referring to a subset of an array of pins.
58 #define SH_PFC_PIN_GROUP_SUBSET(_name, data, first, n) { \
60 .pins = data##_pins + first, \
61 .mux = data##_mux + first, \
63 BUILD_BUG_ON_ZERO(first + n > ARRAY_SIZE(data##_pins)) + \
64 BUILD_BUG_ON_ZERO(first + n > ARRAY_SIZE(data##_mux)), \
68 * Define a pin group for the data pins of a resizable bus.
69 * An optional 'suffix' argument is accepted, to be used when the same group
70 * can appear on a different set of pins.
72 #define BUS_DATA_PIN_GROUP(base, n, ...) \
73 SH_PFC_PIN_GROUP_SUBSET(base##n##__VA_ARGS__, base##__VA_ARGS__, 0, n)
75 struct sh_pfc_pin_group {
77 const unsigned int *pins;
78 const unsigned int *mux;
82 #define SH_PFC_FUNCTION(n) { \
84 .groups = n##_groups, \
85 .nr_groups = ARRAY_SIZE(n##_groups), \
88 struct sh_pfc_function {
90 const char * const *groups;
91 unsigned int nr_groups;
99 struct pinmux_cfg_reg {
101 u8 reg_width, field_width;
103 u16 nr_enum_ids; /* for variable width regs only */
104 #define SET_NR_ENUM_IDS(n) .nr_enum_ids = n,
106 #define SET_NR_ENUM_IDS(n)
109 const s8 *var_field_width;
112 #define GROUP(...) __VA_ARGS__
115 * Describe a config register consisting of several fields of the same width
116 * - name: Register name (unused, for documentation purposes only)
117 * - r: Physical register address
118 * - r_width: Width of the register (in bits)
119 * - f_width: Width of the fixed-width register fields (in bits)
120 * - ids: For each register field (from left to right, i.e. MSB to LSB),
121 * 2^f_width enum IDs must be specified, one for each possible
122 * combination of the register field bit values, all wrapped using
125 #define PINMUX_CFG_REG(name, r, r_width, f_width, ids) \
126 .reg = r, .reg_width = r_width, \
127 .field_width = f_width + BUILD_BUG_ON_ZERO(r_width % f_width) + \
128 BUILD_BUG_ON_ZERO(sizeof((const u16 []) { ids }) / sizeof(u16) != \
129 (r_width / f_width) << f_width), \
130 .enum_ids = (const u16 [(r_width / f_width) << f_width]) { ids }
133 * Describe a config register consisting of several fields of different widths
134 * - name: Register name (unused, for documentation purposes only)
135 * - r: Physical register address
136 * - r_width: Width of the register (in bits)
137 * - f_widths: List of widths of the register fields (in bits), from left
138 * to right (i.e. MSB to LSB), wrapped using the GROUP() macro.
139 * Reserved fields are indicated by negating the field width.
140 * - ids: For each non-reserved register field (from left to right, i.e. MSB
141 * to LSB), 2^f_widths[i] enum IDs must be specified, one for each
142 * possible combination of the register field bit values, all wrapped
143 * using the GROUP() macro.
145 #define PINMUX_CFG_REG_VAR(name, r, r_width, f_widths, ids) \
146 .reg = r, .reg_width = r_width, \
147 .var_field_width = (const s8 []) { f_widths, 0 }, \
148 SET_NR_ENUM_IDS(sizeof((const u16 []) { ids }) / sizeof(u16)) \
149 .enum_ids = (const u16 []) { ids }
151 struct pinmux_drive_reg_field {
157 struct pinmux_drive_reg {
159 const struct pinmux_drive_reg_field fields[10];
162 #define PINMUX_DRIVE_REG(name, r) \
166 struct pinmux_bias_reg { /* At least one of puen/pud must exist */
167 u32 puen; /* Pull-enable or pull-up control register */
168 u32 pud; /* Pull-up/down or pull-down control register */
172 #define PINMUX_BIAS_REG(name1, r1, name2, r2) \
177 struct pinmux_ioctrl_reg {
181 struct pinmux_data_reg {
188 * Describe a data register
189 * - name: Register name (unused, for documentation purposes only)
190 * - r: Physical register address
191 * - r_width: Width of the register (in bits)
192 * - ids: For each register bit (from left to right, i.e. MSB to LSB), one
193 * enum ID must be specified, all wrapped using the GROUP() macro.
195 #define PINMUX_DATA_REG(name, r, r_width, ids) \
196 .reg = r, .reg_width = r_width + \
197 BUILD_BUG_ON_ZERO(sizeof((const u16 []) { ids }) / sizeof(u16) != \
199 .enum_ids = (const u16 [r_width]) { ids }
206 * Describe the mapping from GPIOs to a single IRQ
207 * - ids...: List of GPIOs that are mapped to the same IRQ
209 #define PINMUX_IRQ(ids...) { \
210 .gpios = (const short []) { ids, -1 } \
213 struct pinmux_range {
219 struct sh_pfc_window {
225 struct sh_pfc_pin_range;
229 const struct sh_pfc_soc_info *info;
233 struct sh_pfc_pin_range *ranges;
234 unsigned int nr_ranges;
236 unsigned int nr_gpio_pins;
238 struct sh_pfc_chip *gpio;
241 struct sh_pfc_soc_operations {
242 int (*init)(struct sh_pfc *pfc);
243 unsigned int (*get_bias)(struct sh_pfc *pfc, unsigned int pin);
244 void (*set_bias)(struct sh_pfc *pfc, unsigned int pin,
246 int (*pin_to_pocctrl)(unsigned int pin, u32 *pocctrl);
247 int (*pin_to_portcr)(unsigned int pin);
250 struct sh_pfc_soc_info {
252 const struct sh_pfc_soc_operations *ops;
254 struct pinmux_range input;
255 struct pinmux_range output;
256 struct pinmux_range function;
258 const struct sh_pfc_pin *pins;
259 unsigned int nr_pins;
260 const struct sh_pfc_pin_group *groups;
261 unsigned int nr_groups;
262 const struct sh_pfc_function *functions;
263 unsigned int nr_functions;
265 const struct pinmux_cfg_reg *cfg_regs;
266 const struct pinmux_drive_reg *drive_regs;
267 const struct pinmux_bias_reg *bias_regs;
268 const struct pinmux_ioctrl_reg *ioctrl_regs;
269 const struct pinmux_data_reg *data_regs;
271 const u16 *pinmux_data;
272 unsigned int pinmux_data_size;
274 u32 unlock_reg; /* can be literal address or mask */
277 u32 sh_pfc_read(struct sh_pfc *pfc, u32 reg);
278 void sh_pfc_write(struct sh_pfc *pfc, u32 reg, u32 data);
280 extern const struct sh_pfc_soc_info emev2_pinmux_info;
281 extern const struct sh_pfc_soc_info r8a73a4_pinmux_info;
282 extern const struct sh_pfc_soc_info r8a7740_pinmux_info;
283 extern const struct sh_pfc_soc_info r8a7742_pinmux_info;
284 extern const struct sh_pfc_soc_info r8a7743_pinmux_info;
285 extern const struct sh_pfc_soc_info r8a7744_pinmux_info;
286 extern const struct sh_pfc_soc_info r8a7745_pinmux_info;
287 extern const struct sh_pfc_soc_info r8a77470_pinmux_info;
288 extern const struct sh_pfc_soc_info r8a774a1_pinmux_info;
289 extern const struct sh_pfc_soc_info r8a774b1_pinmux_info;
290 extern const struct sh_pfc_soc_info r8a774c0_pinmux_info;
291 extern const struct sh_pfc_soc_info r8a774e1_pinmux_info;
292 extern const struct sh_pfc_soc_info r8a7778_pinmux_info;
293 extern const struct sh_pfc_soc_info r8a7779_pinmux_info;
294 extern const struct sh_pfc_soc_info r8a7790_pinmux_info;
295 extern const struct sh_pfc_soc_info r8a7791_pinmux_info;
296 extern const struct sh_pfc_soc_info r8a7792_pinmux_info;
297 extern const struct sh_pfc_soc_info r8a7793_pinmux_info;
298 extern const struct sh_pfc_soc_info r8a7794_pinmux_info;
299 extern const struct sh_pfc_soc_info r8a77951_pinmux_info;
300 extern const struct sh_pfc_soc_info r8a77960_pinmux_info;
301 extern const struct sh_pfc_soc_info r8a77961_pinmux_info;
302 extern const struct sh_pfc_soc_info r8a77965_pinmux_info;
303 extern const struct sh_pfc_soc_info r8a77970_pinmux_info;
304 extern const struct sh_pfc_soc_info r8a77980_pinmux_info;
305 extern const struct sh_pfc_soc_info r8a77990_pinmux_info;
306 extern const struct sh_pfc_soc_info r8a77995_pinmux_info;
307 extern const struct sh_pfc_soc_info r8a779a0_pinmux_info;
308 extern const struct sh_pfc_soc_info r8a779f0_pinmux_info;
309 extern const struct sh_pfc_soc_info r8a779g0_pinmux_info;
310 extern const struct sh_pfc_soc_info r8a779h0_pinmux_info;
312 /* -----------------------------------------------------------------------------
313 * Helper macros to create pin and port lists
317 * sh_pfc_soc_info pinmux_data array macros
321 * Describe generic pinmux data
322 * - data_or_mark: *_DATA or *_MARK enum ID
323 * - ids...: List of enum IDs to associate with data_or_mark
325 #define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
328 * Describe a pinmux configuration without GPIO function that needs
329 * configuration in a Peripheral Function Select Register (IPSR)
330 * - ipsr: IPSR field (unused, for documentation purposes only)
331 * - fn: Function name, referring to a field in the IPSR
333 #define PINMUX_IPSR_NOGP(ipsr, fn) \
334 PINMUX_DATA(fn##_MARK, FN_##fn)
337 * Describe a pinmux configuration with GPIO function that needs configuration
338 * in both a Peripheral Function Select Register (IPSR) and in a
339 * GPIO/Peripheral Function Select Register (GPSR)
341 * - fn: Function name, also referring to the IPSR field
343 #define PINMUX_IPSR_GPSR(ipsr, fn) \
344 PINMUX_DATA(fn##_MARK, FN_##fn, FN_##ipsr)
347 * Describe a pinmux configuration without GPIO function that needs
348 * configuration in a Peripheral Function Select Register (IPSR), and where the
349 * pinmux function has a representation in a Module Select Register (MOD_SEL).
350 * - ipsr: IPSR field (unused, for documentation purposes only)
351 * - fn: Function name, also referring to the IPSR field
352 * - msel: Module selector
354 #define PINMUX_IPSR_NOGM(ipsr, fn, msel) \
355 PINMUX_DATA(fn##_MARK, FN_##fn, FN_##msel)
358 * Describe a pinmux configuration with GPIO function where the pinmux function
359 * has no representation in a Peripheral Function Select Register (IPSR), but
360 * instead solely depends on a group selection.
362 * - fn: Function name, also referring to the GPSR field
363 * - gsel: Group selector
365 #define PINMUX_IPSR_NOFN(gpsr, fn, gsel) \
366 PINMUX_DATA(fn##_MARK, FN_##gpsr, FN_##gsel)
369 * Describe a pinmux configuration with GPIO function that needs configuration
370 * in both a Peripheral Function Select Register (IPSR) and a GPIO/Peripheral
371 * Function Select Register (GPSR), and where the pinmux function has a
372 * representation in a Module Select Register (MOD_SEL).
374 * - fn: Function name, also referring to the IPSR field
375 * - msel: Module selector
377 #define PINMUX_IPSR_MSEL(ipsr, fn, msel) \
378 PINMUX_DATA(fn##_MARK, FN_##msel, FN_##fn, FN_##ipsr)
381 * Describe a pinmux configuration similar to PINMUX_IPSR_MSEL, but with
382 * an additional select register that controls physical multiplexing
385 * - fn: Function name, also referring to the IPSR field
386 * - psel: Physical multiplexing selector
387 * - msel: Module selector
389 #define PINMUX_IPSR_PHYS_MSEL(ipsr, fn, psel, msel) \
390 PINMUX_DATA(fn##_MARK, FN_##psel, FN_##msel, FN_##fn, FN_##ipsr)
393 * Describe a pinmux configuration in which a pin is physically multiplexed
396 * - fn: Function name
397 * - psel: Physical multiplexing selector
399 #define PINMUX_IPSR_PHYS(ipsr, fn, psel) \
400 PINMUX_DATA(fn##_MARK, FN_##psel, FN_##ipsr)
403 * Describe a pinmux configuration for a single-function pin with GPIO
405 * - fn: Function name
407 #define PINMUX_SINGLE(fn) \
408 PINMUX_DATA(fn##_MARK, FN_##fn)
411 * GP port style (32 ports banks)
414 #define PORT_GP_CFG_1(bank, pin, fn, sfx, cfg) \
415 fn(bank, pin, GP_##bank##_##pin, sfx, cfg)
416 #define PORT_GP_1(bank, pin, fn, sfx) PORT_GP_CFG_1(bank, pin, fn, sfx, 0)
418 #define PORT_GP_CFG_2(bank, fn, sfx, cfg) \
419 PORT_GP_CFG_1(bank, 0, fn, sfx, cfg), \
420 PORT_GP_CFG_1(bank, 1, fn, sfx, cfg)
421 #define PORT_GP_2(bank, fn, sfx) PORT_GP_CFG_2(bank, fn, sfx, 0)
423 #define PORT_GP_CFG_4(bank, fn, sfx, cfg) \
424 PORT_GP_CFG_2(bank, fn, sfx, cfg), \
425 PORT_GP_CFG_1(bank, 2, fn, sfx, cfg), \
426 PORT_GP_CFG_1(bank, 3, fn, sfx, cfg)
427 #define PORT_GP_4(bank, fn, sfx) PORT_GP_CFG_4(bank, fn, sfx, 0)
429 #define PORT_GP_CFG_6(bank, fn, sfx, cfg) \
430 PORT_GP_CFG_4(bank, fn, sfx, cfg), \
431 PORT_GP_CFG_1(bank, 4, fn, sfx, cfg), \
432 PORT_GP_CFG_1(bank, 5, fn, sfx, cfg)
433 #define PORT_GP_6(bank, fn, sfx) PORT_GP_CFG_6(bank, fn, sfx, 0)
435 #define PORT_GP_CFG_7(bank, fn, sfx, cfg) \
436 PORT_GP_CFG_6(bank, fn, sfx, cfg), \
437 PORT_GP_CFG_1(bank, 6, fn, sfx, cfg)
438 #define PORT_GP_7(bank, fn, sfx) PORT_GP_CFG_7(bank, fn, sfx, 0)
440 #define PORT_GP_CFG_8(bank, fn, sfx, cfg) \
441 PORT_GP_CFG_7(bank, fn, sfx, cfg), \
442 PORT_GP_CFG_1(bank, 7, fn, sfx, cfg)
443 #define PORT_GP_8(bank, fn, sfx) PORT_GP_CFG_8(bank, fn, sfx, 0)
445 #define PORT_GP_CFG_9(bank, fn, sfx, cfg) \
446 PORT_GP_CFG_8(bank, fn, sfx, cfg), \
447 PORT_GP_CFG_1(bank, 8, fn, sfx, cfg)
448 #define PORT_GP_9(bank, fn, sfx) PORT_GP_CFG_9(bank, fn, sfx, 0)
450 #define PORT_GP_CFG_10(bank, fn, sfx, cfg) \
451 PORT_GP_CFG_9(bank, fn, sfx, cfg), \
452 PORT_GP_CFG_1(bank, 9, fn, sfx, cfg)
453 #define PORT_GP_10(bank, fn, sfx) PORT_GP_CFG_10(bank, fn, sfx, 0)
455 #define PORT_GP_CFG_11(bank, fn, sfx, cfg) \
456 PORT_GP_CFG_10(bank, fn, sfx, cfg), \
457 PORT_GP_CFG_1(bank, 10, fn, sfx, cfg)
458 #define PORT_GP_11(bank, fn, sfx) PORT_GP_CFG_11(bank, fn, sfx, 0)
460 #define PORT_GP_CFG_12(bank, fn, sfx, cfg) \
461 PORT_GP_CFG_11(bank, fn, sfx, cfg), \
462 PORT_GP_CFG_1(bank, 11, fn, sfx, cfg)
463 #define PORT_GP_12(bank, fn, sfx) PORT_GP_CFG_12(bank, fn, sfx, 0)
465 #define PORT_GP_CFG_13(bank, fn, sfx, cfg) \
466 PORT_GP_CFG_12(bank, fn, sfx, cfg), \
467 PORT_GP_CFG_1(bank, 12, fn, sfx, cfg)
468 #define PORT_GP_13(bank, fn, sfx) PORT_GP_CFG_13(bank, fn, sfx, 0)
470 #define PORT_GP_CFG_14(bank, fn, sfx, cfg) \
471 PORT_GP_CFG_13(bank, fn, sfx, cfg), \
472 PORT_GP_CFG_1(bank, 13, fn, sfx, cfg)
473 #define PORT_GP_14(bank, fn, sfx) PORT_GP_CFG_14(bank, fn, sfx, 0)
475 #define PORT_GP_CFG_15(bank, fn, sfx, cfg) \
476 PORT_GP_CFG_14(bank, fn, sfx, cfg), \
477 PORT_GP_CFG_1(bank, 14, fn, sfx, cfg)
478 #define PORT_GP_15(bank, fn, sfx) PORT_GP_CFG_15(bank, fn, sfx, 0)
480 #define PORT_GP_CFG_16(bank, fn, sfx, cfg) \
481 PORT_GP_CFG_15(bank, fn, sfx, cfg), \
482 PORT_GP_CFG_1(bank, 15, fn, sfx, cfg)
483 #define PORT_GP_16(bank, fn, sfx) PORT_GP_CFG_16(bank, fn, sfx, 0)
485 #define PORT_GP_CFG_17(bank, fn, sfx, cfg) \
486 PORT_GP_CFG_16(bank, fn, sfx, cfg), \
487 PORT_GP_CFG_1(bank, 16, fn, sfx, cfg)
488 #define PORT_GP_17(bank, fn, sfx) PORT_GP_CFG_17(bank, fn, sfx, 0)
490 #define PORT_GP_CFG_18(bank, fn, sfx, cfg) \
491 PORT_GP_CFG_17(bank, fn, sfx, cfg), \
492 PORT_GP_CFG_1(bank, 17, fn, sfx, cfg)
493 #define PORT_GP_18(bank, fn, sfx) PORT_GP_CFG_18(bank, fn, sfx, 0)
495 #define PORT_GP_CFG_19(bank, fn, sfx, cfg) \
496 PORT_GP_CFG_18(bank, fn, sfx, cfg), \
497 PORT_GP_CFG_1(bank, 18, fn, sfx, cfg)
498 #define PORT_GP_19(bank, fn, sfx) PORT_GP_CFG_19(bank, fn, sfx, 0)
500 #define PORT_GP_CFG_20(bank, fn, sfx, cfg) \
501 PORT_GP_CFG_19(bank, fn, sfx, cfg), \
502 PORT_GP_CFG_1(bank, 19, fn, sfx, cfg)
503 #define PORT_GP_20(bank, fn, sfx) PORT_GP_CFG_20(bank, fn, sfx, 0)
505 #define PORT_GP_CFG_21(bank, fn, sfx, cfg) \
506 PORT_GP_CFG_20(bank, fn, sfx, cfg), \
507 PORT_GP_CFG_1(bank, 20, fn, sfx, cfg)
508 #define PORT_GP_21(bank, fn, sfx) PORT_GP_CFG_21(bank, fn, sfx, 0)
510 #define PORT_GP_CFG_22(bank, fn, sfx, cfg) \
511 PORT_GP_CFG_21(bank, fn, sfx, cfg), \
512 PORT_GP_CFG_1(bank, 21, fn, sfx, cfg)
513 #define PORT_GP_22(bank, fn, sfx) PORT_GP_CFG_22(bank, fn, sfx, 0)
515 #define PORT_GP_CFG_23(bank, fn, sfx, cfg) \
516 PORT_GP_CFG_22(bank, fn, sfx, cfg), \
517 PORT_GP_CFG_1(bank, 22, fn, sfx, cfg)
518 #define PORT_GP_23(bank, fn, sfx) PORT_GP_CFG_23(bank, fn, sfx, 0)
520 #define PORT_GP_CFG_24(bank, fn, sfx, cfg) \
521 PORT_GP_CFG_23(bank, fn, sfx, cfg), \
522 PORT_GP_CFG_1(bank, 23, fn, sfx, cfg)
523 #define PORT_GP_24(bank, fn, sfx) PORT_GP_CFG_24(bank, fn, sfx, 0)
525 #define PORT_GP_CFG_25(bank, fn, sfx, cfg) \
526 PORT_GP_CFG_24(bank, fn, sfx, cfg), \
527 PORT_GP_CFG_1(bank, 24, fn, sfx, cfg)
528 #define PORT_GP_25(bank, fn, sfx) PORT_GP_CFG_25(bank, fn, sfx, 0)
530 #define PORT_GP_CFG_26(bank, fn, sfx, cfg) \
531 PORT_GP_CFG_25(bank, fn, sfx, cfg), \
532 PORT_GP_CFG_1(bank, 25, fn, sfx, cfg)
533 #define PORT_GP_26(bank, fn, sfx) PORT_GP_CFG_26(bank, fn, sfx, 0)
535 #define PORT_GP_CFG_27(bank, fn, sfx, cfg) \
536 PORT_GP_CFG_26(bank, fn, sfx, cfg), \
537 PORT_GP_CFG_1(bank, 26, fn, sfx, cfg)
538 #define PORT_GP_27(bank, fn, sfx) PORT_GP_CFG_27(bank, fn, sfx, 0)
540 #define PORT_GP_CFG_28(bank, fn, sfx, cfg) \
541 PORT_GP_CFG_27(bank, fn, sfx, cfg), \
542 PORT_GP_CFG_1(bank, 27, fn, sfx, cfg)
543 #define PORT_GP_28(bank, fn, sfx) PORT_GP_CFG_28(bank, fn, sfx, 0)
545 #define PORT_GP_CFG_29(bank, fn, sfx, cfg) \
546 PORT_GP_CFG_28(bank, fn, sfx, cfg), \
547 PORT_GP_CFG_1(bank, 28, fn, sfx, cfg)
548 #define PORT_GP_29(bank, fn, sfx) PORT_GP_CFG_29(bank, fn, sfx, 0)
550 #define PORT_GP_CFG_30(bank, fn, sfx, cfg) \
551 PORT_GP_CFG_29(bank, fn, sfx, cfg), \
552 PORT_GP_CFG_1(bank, 29, fn, sfx, cfg)
553 #define PORT_GP_30(bank, fn, sfx) PORT_GP_CFG_30(bank, fn, sfx, 0)
555 #define PORT_GP_CFG_31(bank, fn, sfx, cfg) \
556 PORT_GP_CFG_30(bank, fn, sfx, cfg), \
557 PORT_GP_CFG_1(bank, 30, fn, sfx, cfg)
558 #define PORT_GP_31(bank, fn, sfx) PORT_GP_CFG_31(bank, fn, sfx, 0)
560 #define PORT_GP_CFG_32(bank, fn, sfx, cfg) \
561 PORT_GP_CFG_31(bank, fn, sfx, cfg), \
562 PORT_GP_CFG_1(bank, 31, fn, sfx, cfg)
563 #define PORT_GP_32(bank, fn, sfx) PORT_GP_CFG_32(bank, fn, sfx, 0)
565 #define PORT_GP_32_REV(bank, fn, sfx) \
566 PORT_GP_1(bank, 31, fn, sfx), PORT_GP_1(bank, 30, fn, sfx), \
567 PORT_GP_1(bank, 29, fn, sfx), PORT_GP_1(bank, 28, fn, sfx), \
568 PORT_GP_1(bank, 27, fn, sfx), PORT_GP_1(bank, 26, fn, sfx), \
569 PORT_GP_1(bank, 25, fn, sfx), PORT_GP_1(bank, 24, fn, sfx), \
570 PORT_GP_1(bank, 23, fn, sfx), PORT_GP_1(bank, 22, fn, sfx), \
571 PORT_GP_1(bank, 21, fn, sfx), PORT_GP_1(bank, 20, fn, sfx), \
572 PORT_GP_1(bank, 19, fn, sfx), PORT_GP_1(bank, 18, fn, sfx), \
573 PORT_GP_1(bank, 17, fn, sfx), PORT_GP_1(bank, 16, fn, sfx), \
574 PORT_GP_1(bank, 15, fn, sfx), PORT_GP_1(bank, 14, fn, sfx), \
575 PORT_GP_1(bank, 13, fn, sfx), PORT_GP_1(bank, 12, fn, sfx), \
576 PORT_GP_1(bank, 11, fn, sfx), PORT_GP_1(bank, 10, fn, sfx), \
577 PORT_GP_1(bank, 9, fn, sfx), PORT_GP_1(bank, 8, fn, sfx), \
578 PORT_GP_1(bank, 7, fn, sfx), PORT_GP_1(bank, 6, fn, sfx), \
579 PORT_GP_1(bank, 5, fn, sfx), PORT_GP_1(bank, 4, fn, sfx), \
580 PORT_GP_1(bank, 3, fn, sfx), PORT_GP_1(bank, 2, fn, sfx), \
581 PORT_GP_1(bank, 1, fn, sfx), PORT_GP_1(bank, 0, fn, sfx)
583 /* GP_ALL(suffix) - Expand to a list of GP_#_#_suffix */
584 #define _GP_ALL(bank, pin, name, sfx, cfg) name##_##sfx
585 #define GP_ALL(str) CPU_ALL_GP(_GP_ALL, str)
587 /* PINMUX_GPIO_GP_ALL - Expand to a list of sh_pfc_pin entries */
588 #define _GP_GPIO(bank, _pin, _name, sfx, cfg) { \
589 .pin = (bank * 32) + _pin, \
590 .name = __stringify(_name), \
591 .enum_id = _name##_DATA, \
594 #define PINMUX_GPIO_GP_ALL() CPU_ALL_GP(_GP_GPIO, unused)
596 /* PINMUX_DATA_GP_ALL - Expand to a list of name_DATA, name_FN marks */
597 #define _GP_DATA(bank, pin, name, sfx, cfg) PINMUX_DATA(name##_DATA, name##_FN)
598 #define PINMUX_DATA_GP_ALL() CPU_ALL_GP(_GP_DATA, unused)
601 * GP_ASSIGN_LAST() - Expand to an enum definition for the last GP pin
603 * The largest GP pin index is obtained by taking the size of a union,
604 * containing one array per GP pin, sized by the corresponding pin index.
605 * As the fields in the CPU_ALL_GP() macro definition are separated by commas,
606 * while the members of a union must be terminated by semicolons, the commas
607 * are absorbed by wrapping them inside dummy attributes.
609 #define _GP_ENTRY(bank, pin, name, sfx, cfg) \
610 deprecated)); char name[(bank * 32) + pin] __attribute__((deprecated
611 #define GP_ASSIGN_LAST() \
612 GP_LAST = sizeof(union { \
613 char dummy[0] __attribute__((deprecated, \
614 CPU_ALL_GP(_GP_ENTRY, unused), \
619 * PORT style (linear pin space)
622 #define PORT_1(pn, fn, pfx, sfx) fn(pn, pfx, sfx)
624 #define PORT_10(pn, fn, pfx, sfx) \
625 PORT_1(pn, fn, pfx##0, sfx), PORT_1(pn+1, fn, pfx##1, sfx), \
626 PORT_1(pn+2, fn, pfx##2, sfx), PORT_1(pn+3, fn, pfx##3, sfx), \
627 PORT_1(pn+4, fn, pfx##4, sfx), PORT_1(pn+5, fn, pfx##5, sfx), \
628 PORT_1(pn+6, fn, pfx##6, sfx), PORT_1(pn+7, fn, pfx##7, sfx), \
629 PORT_1(pn+8, fn, pfx##8, sfx), PORT_1(pn+9, fn, pfx##9, sfx)
631 #define PORT_90(pn, fn, pfx, sfx) \
632 PORT_10(pn+10, fn, pfx##1, sfx), PORT_10(pn+20, fn, pfx##2, sfx), \
633 PORT_10(pn+30, fn, pfx##3, sfx), PORT_10(pn+40, fn, pfx##4, sfx), \
634 PORT_10(pn+50, fn, pfx##5, sfx), PORT_10(pn+60, fn, pfx##6, sfx), \
635 PORT_10(pn+70, fn, pfx##7, sfx), PORT_10(pn+80, fn, pfx##8, sfx), \
636 PORT_10(pn+90, fn, pfx##9, sfx)
638 /* PORT_ALL(suffix) - Expand to a list of PORT_#_suffix */
639 #define _PORT_ALL(pn, pfx, sfx) pfx##_##sfx
640 #define PORT_ALL(str) CPU_ALL_PORT(_PORT_ALL, PORT, str)
642 /* PINMUX_GPIO - Expand to a sh_pfc_pin entry */
643 #define PINMUX_GPIO(_pin) \
646 .name = __stringify(GPIO_##_pin), \
647 .enum_id = _pin##_DATA, \
650 /* SH_PFC_PIN_CFG - Expand to a sh_pfc_pin entry (named PORT#) with config */
651 #define SH_PFC_PIN_CFG(_pin, cfgs) { \
653 .name = __stringify(PORT##_pin), \
654 .enum_id = PORT##_pin##_DATA, \
658 /* PINMUX_DATA_ALL - Expand to a list of PORT_name_DATA, PORT_name_FN0,
659 * PORT_name_OUT, PORT_name_IN marks
661 #define _PORT_DATA(pn, pfx, sfx) \
662 PINMUX_DATA(PORT##pfx##_DATA, PORT##pfx##_FN0, \
663 PORT##pfx##_OUT, PORT##pfx##_IN)
664 #define PINMUX_DATA_ALL() CPU_ALL_PORT(_PORT_DATA, , unused)
667 * PORT_ASSIGN_LAST() - Expand to an enum definition for the last PORT pin
669 * The largest PORT pin index is obtained by taking the size of a union,
670 * containing one array per PORT pin, sized by the corresponding pin index.
671 * As the fields in the CPU_ALL_PORT() macro definition are separated by
672 * commas, while the members of a union must be terminated by semicolons, the
673 * commas are absorbed by wrapping them inside dummy attributes.
675 #define _PORT_ENTRY(pn, pfx, sfx) \
676 deprecated)); char pfx[pn] __attribute__((deprecated
677 #define PORT_ASSIGN_LAST() \
678 PORT_LAST = sizeof(union { \
679 char dummy[0] __attribute__((deprecated, \
680 CPU_ALL_PORT(_PORT_ENTRY, PORT, unused), \
684 /* GPIO_FN(name) - Expand to a sh_pfc_pin entry for a function GPIO */
685 #define PINMUX_GPIO_FN(gpio, base, data_or_mark) \
686 [gpio - (base)] = { \
687 .name = __stringify(gpio), \
688 .enum_id = data_or_mark, \
690 #define GPIO_FN(str) \
691 PINMUX_GPIO_FN(GPIO_FN_##str, PINMUX_FN_BASE, str##_MARK)
694 * Pins not associated with a GPIO port
697 #define PIN_NOGP_CFG(pin, name, fn, cfg) fn(pin, name, cfg)
698 #define PIN_NOGP(pin, name, fn) fn(pin, name, 0)
700 /* NOGP_ALL - Expand to a list of PIN_id */
701 #define _NOGP_ALL(pin, name, cfg) PIN_##pin
702 #define NOGP_ALL() CPU_ALL_NOGP(_NOGP_ALL)
704 /* PINMUX_NOGP_ALL - Expand to a list of sh_pfc_pin entries */
705 #define _NOGP_PINMUX(_pin, _name, cfg) { \
707 .name = "PIN_" _name, \
708 .configs = SH_PFC_PIN_CFG_NO_GPIO | cfg, \
710 #define PINMUX_NOGP_ALL() CPU_ALL_NOGP(_NOGP_PINMUX)
713 * PORTnCR helper macro for SH-Mobile/R-Mobile
715 #define PORTCR(nr, reg) { \
716 PINMUX_CFG_REG_VAR("PORT" nr "CR", reg, 8, GROUP(-2, 2, -1, 3), \
718 /* PULMD[1:0], handled by .set_bias() */ \
720 0, PORT##nr##_OUT, PORT##nr##_IN, 0, \
721 /* SEC, not supported */ \
723 PORT##nr##_FN0, PORT##nr##_FN1, \
724 PORT##nr##_FN2, PORT##nr##_FN3, \
725 PORT##nr##_FN4, PORT##nr##_FN5, \
726 PORT##nr##_FN6, PORT##nr##_FN7 \
731 * GPIO number helper macro for R-Car
733 #define RCAR_GP_PIN(bank, pin) (((bank) * 32) + (pin))
738 const struct pinmux_bias_reg *
739 rcar_pin_to_bias_reg(const struct sh_pfc_soc_info *info, unsigned int pin,
741 unsigned int rcar_pinmux_get_bias(struct sh_pfc *pfc, unsigned int pin);
742 void rcar_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin,
745 #endif /* __SH_PFC_H */