/* SPDX-License-Identifier: GPL-2.0 * * SuperH Pin Function Controller Support * * Copyright (c) 2008 Magnus Damm */ #ifndef __SH_PFC_H #define __SH_PFC_H #include enum { PINMUX_TYPE_NONE, PINMUX_TYPE_FUNCTION, PINMUX_TYPE_GPIO, PINMUX_TYPE_OUTPUT, PINMUX_TYPE_INPUT, }; #define SH_PFC_PIN_NONE U16_MAX #define SH_PFC_PIN_CFG_INPUT (1 << 0) #define SH_PFC_PIN_CFG_OUTPUT (1 << 1) #define SH_PFC_PIN_CFG_PULL_UP (1 << 2) #define SH_PFC_PIN_CFG_PULL_DOWN (1 << 3) #define SH_PFC_PIN_CFG_PULL_UP_DOWN (SH_PFC_PIN_CFG_PULL_UP | \ SH_PFC_PIN_CFG_PULL_DOWN) #define SH_PFC_PIN_CFG_IO_VOLTAGE_MASK GENMASK(5, 4) #define SH_PFC_PIN_CFG_IO_VOLTAGE_18_25 (1 << 4) #define SH_PFC_PIN_CFG_IO_VOLTAGE_18_33 (2 << 4) #define SH_PFC_PIN_CFG_IO_VOLTAGE_25_33 (3 << 4) #define SH_PFC_PIN_CFG_DRIVE_STRENGTH (1 << 6) #define SH_PFC_PIN_CFG_NO_GPIO (1 << 31) struct sh_pfc_pin { const char *name; unsigned int configs; u16 pin; u16 enum_id; }; #define SH_PFC_PIN_GROUP_ALIAS(alias, _name) { \ .name = #alias, \ .pins = _name##_pins, \ .mux = _name##_mux, \ .nr_pins = ARRAY_SIZE(_name##_pins) + \ BUILD_BUG_ON_ZERO(sizeof(_name##_pins) != sizeof(_name##_mux)), \ } #define SH_PFC_PIN_GROUP(name) SH_PFC_PIN_GROUP_ALIAS(name, name) /* * Define a pin group referring to a subset of an array of pins. */ #define SH_PFC_PIN_GROUP_SUBSET(_name, data, first, n) { \ .name = #_name, \ .pins = data##_pins + first, \ .mux = data##_mux + first, \ .nr_pins = n + \ BUILD_BUG_ON_ZERO(first + n > ARRAY_SIZE(data##_pins)) + \ BUILD_BUG_ON_ZERO(first + n > ARRAY_SIZE(data##_mux)), \ } /* * Define a pin group for the data pins of a resizable bus. * An optional 'suffix' argument is accepted, to be used when the same group * can appear on a different set of pins. */ #define BUS_DATA_PIN_GROUP(base, n, ...) \ SH_PFC_PIN_GROUP_SUBSET(base##n##__VA_ARGS__, base##__VA_ARGS__, 0, n) struct sh_pfc_pin_group { const char *name; const unsigned int *pins; const unsigned int *mux; unsigned int nr_pins; }; #define SH_PFC_FUNCTION(n) { \ .name = #n, \ .groups = n##_groups, \ .nr_groups = ARRAY_SIZE(n##_groups), \ } struct sh_pfc_function { const char *name; const char * const *groups; unsigned int nr_groups; }; struct pinmux_func { u16 enum_id; const char *name; }; struct pinmux_cfg_reg { u32 reg; u8 reg_width, field_width; #ifdef DEBUG u16 nr_enum_ids; /* for variable width regs only */ #define SET_NR_ENUM_IDS(n) .nr_enum_ids = n, #else #define SET_NR_ENUM_IDS(n) #endif const u16 *enum_ids; const s8 *var_field_width; }; #define GROUP(...) __VA_ARGS__ /* * Describe a config register consisting of several fields of the same width * - name: Register name (unused, for documentation purposes only) * - r: Physical register address * - r_width: Width of the register (in bits) * - f_width: Width of the fixed-width register fields (in bits) * - ids: For each register field (from left to right, i.e. MSB to LSB), * 2^f_width enum IDs must be specified, one for each possible * combination of the register field bit values, all wrapped using * the GROUP() macro. */ #define PINMUX_CFG_REG(name, r, r_width, f_width, ids) \ .reg = r, .reg_width = r_width, \ .field_width = f_width + BUILD_BUG_ON_ZERO(r_width % f_width) + \ BUILD_BUG_ON_ZERO(sizeof((const u16 []) { ids }) / sizeof(u16) != \ (r_width / f_width) << f_width), \ .enum_ids = (const u16 [(r_width / f_width) << f_width]) { ids } /* * Describe a config register consisting of several fields of different widths * - name: Register name (unused, for documentation purposes only) * - r: Physical register address * - r_width: Width of the register (in bits) * - f_widths: List of widths of the register fields (in bits), from left * to right (i.e. MSB to LSB), wrapped using the GROUP() macro. * Reserved fields are indicated by negating the field width. * - ids: For each non-reserved register field (from left to right, i.e. MSB * to LSB), 2^f_widths[i] enum IDs must be specified, one for each * possible combination of the register field bit values, all wrapped * using the GROUP() macro. */ #define PINMUX_CFG_REG_VAR(name, r, r_width, f_widths, ids) \ .reg = r, .reg_width = r_width, \ .var_field_width = (const s8 []) { f_widths, 0 }, \ SET_NR_ENUM_IDS(sizeof((const u16 []) { ids }) / sizeof(u16)) \ .enum_ids = (const u16 []) { ids } struct pinmux_drive_reg_field { u16 pin; u8 offset; u8 size; }; struct pinmux_drive_reg { u32 reg; const struct pinmux_drive_reg_field fields[10]; }; #define PINMUX_DRIVE_REG(name, r) \ .reg = r, \ .fields = struct pinmux_bias_reg { /* At least one of puen/pud must exist */ u32 puen; /* Pull-enable or pull-up control register */ u32 pud; /* Pull-up/down or pull-down control register */ const u16 pins[32]; }; #define PINMUX_BIAS_REG(name1, r1, name2, r2) \ .puen = r1, \ .pud = r2, \ .pins = struct pinmux_ioctrl_reg { u32 reg; }; struct pinmux_data_reg { u32 reg; u8 reg_width; const u16 *enum_ids; }; /* * Describe a data register * - name: Register name (unused, for documentation purposes only) * - r: Physical register address * - r_width: Width of the register (in bits) * - ids: For each register bit (from left to right, i.e. MSB to LSB), one * enum ID must be specified, all wrapped using the GROUP() macro. */ #define PINMUX_DATA_REG(name, r, r_width, ids) \ .reg = r, .reg_width = r_width + \ BUILD_BUG_ON_ZERO(sizeof((const u16 []) { ids }) / sizeof(u16) != \ r_width), \ .enum_ids = (const u16 [r_width]) { ids } struct pinmux_irq { const short *gpios; }; /* * Describe the mapping from GPIOs to a single IRQ * - ids...: List of GPIOs that are mapped to the same IRQ */ #define PINMUX_IRQ(ids...) { \ .gpios = (const short []) { ids, -1 } \ } struct pinmux_range { u16 begin; u16 end; u16 force; }; struct sh_pfc_window { phys_addr_t phys; void __iomem *virt; unsigned long size; }; struct sh_pfc_pin_range; struct sh_pfc { struct device *dev; const struct sh_pfc_soc_info *info; void *regs; struct sh_pfc_pin_range *ranges; unsigned int nr_ranges; unsigned int nr_gpio_pins; struct sh_pfc_chip *gpio; }; struct sh_pfc_soc_operations { int (*init)(struct sh_pfc *pfc); unsigned int (*get_bias)(struct sh_pfc *pfc, unsigned int pin); void (*set_bias)(struct sh_pfc *pfc, unsigned int pin, unsigned int bias); int (*pin_to_pocctrl)(unsigned int pin, u32 *pocctrl); int (*pin_to_portcr)(unsigned int pin); }; struct sh_pfc_soc_info { const char *name; const struct sh_pfc_soc_operations *ops; struct pinmux_range input; struct pinmux_range output; struct pinmux_range function; const struct sh_pfc_pin *pins; unsigned int nr_pins; const struct sh_pfc_pin_group *groups; unsigned int nr_groups; const struct sh_pfc_function *functions; unsigned int nr_functions; const struct pinmux_cfg_reg *cfg_regs; const struct pinmux_drive_reg *drive_regs; const struct pinmux_bias_reg *bias_regs; const struct pinmux_ioctrl_reg *ioctrl_regs; const struct pinmux_data_reg *data_regs; const u16 *pinmux_data; unsigned int pinmux_data_size; u32 unlock_reg; /* can be literal address or mask */ }; u32 sh_pfc_read(struct sh_pfc *pfc, u32 reg); void sh_pfc_write(struct sh_pfc *pfc, u32 reg, u32 data); extern const struct sh_pfc_soc_info emev2_pinmux_info; extern const struct sh_pfc_soc_info r8a73a4_pinmux_info; extern const struct sh_pfc_soc_info r8a7740_pinmux_info; extern const struct sh_pfc_soc_info r8a7742_pinmux_info; extern const struct sh_pfc_soc_info r8a7743_pinmux_info; extern const struct sh_pfc_soc_info r8a7744_pinmux_info; extern const struct sh_pfc_soc_info r8a7745_pinmux_info; extern const struct sh_pfc_soc_info r8a77470_pinmux_info; extern const struct sh_pfc_soc_info r8a774a1_pinmux_info; extern const struct sh_pfc_soc_info r8a774b1_pinmux_info; extern const struct sh_pfc_soc_info r8a774c0_pinmux_info; extern const struct sh_pfc_soc_info r8a774e1_pinmux_info; extern const struct sh_pfc_soc_info r8a7778_pinmux_info; extern const struct sh_pfc_soc_info r8a7779_pinmux_info; extern const struct sh_pfc_soc_info r8a7790_pinmux_info; extern const struct sh_pfc_soc_info r8a7791_pinmux_info; extern const struct sh_pfc_soc_info r8a7792_pinmux_info; extern const struct sh_pfc_soc_info r8a7793_pinmux_info; extern const struct sh_pfc_soc_info r8a7794_pinmux_info; extern const struct sh_pfc_soc_info r8a77951_pinmux_info; extern const struct sh_pfc_soc_info r8a77960_pinmux_info; extern const struct sh_pfc_soc_info r8a77961_pinmux_info; extern const struct sh_pfc_soc_info r8a77965_pinmux_info; extern const struct sh_pfc_soc_info r8a77970_pinmux_info; extern const struct sh_pfc_soc_info r8a77980_pinmux_info; extern const struct sh_pfc_soc_info r8a77990_pinmux_info; extern const struct sh_pfc_soc_info r8a77995_pinmux_info; extern const struct sh_pfc_soc_info r8a779a0_pinmux_info; extern const struct sh_pfc_soc_info r8a779f0_pinmux_info; extern const struct sh_pfc_soc_info r8a779g0_pinmux_info; /* ----------------------------------------------------------------------------- * Helper macros to create pin and port lists */ /* * sh_pfc_soc_info pinmux_data array macros */ /* * Describe generic pinmux data * - data_or_mark: *_DATA or *_MARK enum ID * - ids...: List of enum IDs to associate with data_or_mark */ #define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0 /* * Describe a pinmux configuration without GPIO function that needs * configuration in a Peripheral Function Select Register (IPSR) * - ipsr: IPSR field (unused, for documentation purposes only) * - fn: Function name, referring to a field in the IPSR */ #define PINMUX_IPSR_NOGP(ipsr, fn) \ PINMUX_DATA(fn##_MARK, FN_##fn) /* * Describe a pinmux configuration with GPIO function that needs configuration * in both a Peripheral Function Select Register (IPSR) and in a * GPIO/Peripheral Function Select Register (GPSR) * - ipsr: IPSR field * - fn: Function name, also referring to the IPSR field */ #define PINMUX_IPSR_GPSR(ipsr, fn) \ PINMUX_DATA(fn##_MARK, FN_##fn, FN_##ipsr) /* * Describe a pinmux configuration without GPIO function that needs * configuration in a Peripheral Function Select Register (IPSR), and where the * pinmux function has a representation in a Module Select Register (MOD_SEL). * - ipsr: IPSR field (unused, for documentation purposes only) * - fn: Function name, also referring to the IPSR field * - msel: Module selector */ #define PINMUX_IPSR_NOGM(ipsr, fn, msel) \ PINMUX_DATA(fn##_MARK, FN_##fn, FN_##msel) /* * Describe a pinmux configuration with GPIO function where the pinmux function * has no representation in a Peripheral Function Select Register (IPSR), but * instead solely depends on a group selection. * - gpsr: GPSR field * - fn: Function name, also referring to the GPSR field * - gsel: Group selector */ #define PINMUX_IPSR_NOFN(gpsr, fn, gsel) \ PINMUX_DATA(fn##_MARK, FN_##gpsr, FN_##gsel) /* * Describe a pinmux configuration with GPIO function that needs configuration * in both a Peripheral Function Select Register (IPSR) and a GPIO/Peripheral * Function Select Register (GPSR), and where the pinmux function has a * representation in a Module Select Register (MOD_SEL). * - ipsr: IPSR field * - fn: Function name, also referring to the IPSR field * - msel: Module selector */ #define PINMUX_IPSR_MSEL(ipsr, fn, msel) \ PINMUX_DATA(fn##_MARK, FN_##msel, FN_##fn, FN_##ipsr) /* * Describe a pinmux configuration similar to PINMUX_IPSR_MSEL, but with * an additional select register that controls physical multiplexing * with another pin. * - ipsr: IPSR field * - fn: Function name, also referring to the IPSR field * - psel: Physical multiplexing selector * - msel: Module selector */ #define PINMUX_IPSR_PHYS_MSEL(ipsr, fn, psel, msel) \ PINMUX_DATA(fn##_MARK, FN_##psel, FN_##msel, FN_##fn, FN_##ipsr) /* * Describe a pinmux configuration in which a pin is physically multiplexed * with other pins. * - ipsr: IPSR field * - fn: Function name * - psel: Physical multiplexing selector */ #define PINMUX_IPSR_PHYS(ipsr, fn, psel) \ PINMUX_DATA(fn##_MARK, FN_##psel, FN_##ipsr) /* * Describe a pinmux configuration for a single-function pin with GPIO * capability. * - fn: Function name */ #define PINMUX_SINGLE(fn) \ PINMUX_DATA(fn##_MARK, FN_##fn) /* * GP port style (32 ports banks) */ #define PORT_GP_CFG_1(bank, pin, fn, sfx, cfg) \ fn(bank, pin, GP_##bank##_##pin, sfx, cfg) #define PORT_GP_1(bank, pin, fn, sfx) PORT_GP_CFG_1(bank, pin, fn, sfx, 0) #define PORT_GP_CFG_2(bank, fn, sfx, cfg) \ PORT_GP_CFG_1(bank, 0, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 1, fn, sfx, cfg) #define PORT_GP_2(bank, fn, sfx) PORT_GP_CFG_2(bank, fn, sfx, 0) #define PORT_GP_CFG_4(bank, fn, sfx, cfg) \ PORT_GP_CFG_2(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 2, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 3, fn, sfx, cfg) #define PORT_GP_4(bank, fn, sfx) PORT_GP_CFG_4(bank, fn, sfx, 0) #define PORT_GP_CFG_6(bank, fn, sfx, cfg) \ PORT_GP_CFG_4(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 4, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 5, fn, sfx, cfg) #define PORT_GP_6(bank, fn, sfx) PORT_GP_CFG_6(bank, fn, sfx, 0) #define PORT_GP_CFG_7(bank, fn, sfx, cfg) \ PORT_GP_CFG_6(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 6, fn, sfx, cfg) #define PORT_GP_7(bank, fn, sfx) PORT_GP_CFG_7(bank, fn, sfx, 0) #define PORT_GP_CFG_8(bank, fn, sfx, cfg) \ PORT_GP_CFG_7(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 7, fn, sfx, cfg) #define PORT_GP_8(bank, fn, sfx) PORT_GP_CFG_8(bank, fn, sfx, 0) #define PORT_GP_CFG_9(bank, fn, sfx, cfg) \ PORT_GP_CFG_8(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 8, fn, sfx, cfg) #define PORT_GP_9(bank, fn, sfx) PORT_GP_CFG_9(bank, fn, sfx, 0) #define PORT_GP_CFG_10(bank, fn, sfx, cfg) \ PORT_GP_CFG_9(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 9, fn, sfx, cfg) #define PORT_GP_10(bank, fn, sfx) PORT_GP_CFG_10(bank, fn, sfx, 0) #define PORT_GP_CFG_11(bank, fn, sfx, cfg) \ PORT_GP_CFG_10(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 10, fn, sfx, cfg) #define PORT_GP_11(bank, fn, sfx) PORT_GP_CFG_11(bank, fn, sfx, 0) #define PORT_GP_CFG_12(bank, fn, sfx, cfg) \ PORT_GP_CFG_11(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 11, fn, sfx, cfg) #define PORT_GP_12(bank, fn, sfx) PORT_GP_CFG_12(bank, fn, sfx, 0) #define PORT_GP_CFG_13(bank, fn, sfx, cfg) \ PORT_GP_CFG_12(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 12, fn, sfx, cfg) #define PORT_GP_13(bank, fn, sfx) PORT_GP_CFG_13(bank, fn, sfx, 0) #define PORT_GP_CFG_14(bank, fn, sfx, cfg) \ PORT_GP_CFG_13(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 13, fn, sfx, cfg) #define PORT_GP_14(bank, fn, sfx) PORT_GP_CFG_14(bank, fn, sfx, 0) #define PORT_GP_CFG_15(bank, fn, sfx, cfg) \ PORT_GP_CFG_14(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 14, fn, sfx, cfg) #define PORT_GP_15(bank, fn, sfx) PORT_GP_CFG_15(bank, fn, sfx, 0) #define PORT_GP_CFG_16(bank, fn, sfx, cfg) \ PORT_GP_CFG_15(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 15, fn, sfx, cfg) #define PORT_GP_16(bank, fn, sfx) PORT_GP_CFG_16(bank, fn, sfx, 0) #define PORT_GP_CFG_17(bank, fn, sfx, cfg) \ PORT_GP_CFG_16(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 16, fn, sfx, cfg) #define PORT_GP_17(bank, fn, sfx) PORT_GP_CFG_17(bank, fn, sfx, 0) #define PORT_GP_CFG_18(bank, fn, sfx, cfg) \ PORT_GP_CFG_17(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 17, fn, sfx, cfg) #define PORT_GP_18(bank, fn, sfx) PORT_GP_CFG_18(bank, fn, sfx, 0) #define PORT_GP_CFG_19(bank, fn, sfx, cfg) \ PORT_GP_CFG_18(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 18, fn, sfx, cfg) #define PORT_GP_19(bank, fn, sfx) PORT_GP_CFG_19(bank, fn, sfx, 0) #define PORT_GP_CFG_20(bank, fn, sfx, cfg) \ PORT_GP_CFG_19(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 19, fn, sfx, cfg) #define PORT_GP_20(bank, fn, sfx) PORT_GP_CFG_20(bank, fn, sfx, 0) #define PORT_GP_CFG_21(bank, fn, sfx, cfg) \ PORT_GP_CFG_20(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 20, fn, sfx, cfg) #define PORT_GP_21(bank, fn, sfx) PORT_GP_CFG_21(bank, fn, sfx, 0) #define PORT_GP_CFG_22(bank, fn, sfx, cfg) \ PORT_GP_CFG_21(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 21, fn, sfx, cfg) #define PORT_GP_22(bank, fn, sfx) PORT_GP_CFG_22(bank, fn, sfx, 0) #define PORT_GP_CFG_23(bank, fn, sfx, cfg) \ PORT_GP_CFG_22(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 22, fn, sfx, cfg) #define PORT_GP_23(bank, fn, sfx) PORT_GP_CFG_23(bank, fn, sfx, 0) #define PORT_GP_CFG_24(bank, fn, sfx, cfg) \ PORT_GP_CFG_23(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 23, fn, sfx, cfg) #define PORT_GP_24(bank, fn, sfx) PORT_GP_CFG_24(bank, fn, sfx, 0) #define PORT_GP_CFG_25(bank, fn, sfx, cfg) \ PORT_GP_CFG_24(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 24, fn, sfx, cfg) #define PORT_GP_25(bank, fn, sfx) PORT_GP_CFG_25(bank, fn, sfx, 0) #define PORT_GP_CFG_26(bank, fn, sfx, cfg) \ PORT_GP_CFG_25(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 25, fn, sfx, cfg) #define PORT_GP_26(bank, fn, sfx) PORT_GP_CFG_26(bank, fn, sfx, 0) #define PORT_GP_CFG_27(bank, fn, sfx, cfg) \ PORT_GP_CFG_26(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 26, fn, sfx, cfg) #define PORT_GP_27(bank, fn, sfx) PORT_GP_CFG_27(bank, fn, sfx, 0) #define PORT_GP_CFG_28(bank, fn, sfx, cfg) \ PORT_GP_CFG_27(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 27, fn, sfx, cfg) #define PORT_GP_28(bank, fn, sfx) PORT_GP_CFG_28(bank, fn, sfx, 0) #define PORT_GP_CFG_29(bank, fn, sfx, cfg) \ PORT_GP_CFG_28(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 28, fn, sfx, cfg) #define PORT_GP_29(bank, fn, sfx) PORT_GP_CFG_29(bank, fn, sfx, 0) #define PORT_GP_CFG_30(bank, fn, sfx, cfg) \ PORT_GP_CFG_29(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 29, fn, sfx, cfg) #define PORT_GP_30(bank, fn, sfx) PORT_GP_CFG_30(bank, fn, sfx, 0) #define PORT_GP_CFG_31(bank, fn, sfx, cfg) \ PORT_GP_CFG_30(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 30, fn, sfx, cfg) #define PORT_GP_31(bank, fn, sfx) PORT_GP_CFG_31(bank, fn, sfx, 0) #define PORT_GP_CFG_32(bank, fn, sfx, cfg) \ PORT_GP_CFG_31(bank, fn, sfx, cfg), \ PORT_GP_CFG_1(bank, 31, fn, sfx, cfg) #define PORT_GP_32(bank, fn, sfx) PORT_GP_CFG_32(bank, fn, sfx, 0) #define PORT_GP_32_REV(bank, fn, sfx) \ PORT_GP_1(bank, 31, fn, sfx), PORT_GP_1(bank, 30, fn, sfx), \ PORT_GP_1(bank, 29, fn, sfx), PORT_GP_1(bank, 28, fn, sfx), \ PORT_GP_1(bank, 27, fn, sfx), PORT_GP_1(bank, 26, fn, sfx), \ PORT_GP_1(bank, 25, fn, sfx), PORT_GP_1(bank, 24, fn, sfx), \ PORT_GP_1(bank, 23, fn, sfx), PORT_GP_1(bank, 22, fn, sfx), \ PORT_GP_1(bank, 21, fn, sfx), PORT_GP_1(bank, 20, fn, sfx), \ PORT_GP_1(bank, 19, fn, sfx), PORT_GP_1(bank, 18, fn, sfx), \ PORT_GP_1(bank, 17, fn, sfx), PORT_GP_1(bank, 16, fn, sfx), \ PORT_GP_1(bank, 15, fn, sfx), PORT_GP_1(bank, 14, fn, sfx), \ PORT_GP_1(bank, 13, fn, sfx), PORT_GP_1(bank, 12, fn, sfx), \ PORT_GP_1(bank, 11, fn, sfx), PORT_GP_1(bank, 10, fn, sfx), \ PORT_GP_1(bank, 9, fn, sfx), PORT_GP_1(bank, 8, fn, sfx), \ PORT_GP_1(bank, 7, fn, sfx), PORT_GP_1(bank, 6, fn, sfx), \ PORT_GP_1(bank, 5, fn, sfx), PORT_GP_1(bank, 4, fn, sfx), \ PORT_GP_1(bank, 3, fn, sfx), PORT_GP_1(bank, 2, fn, sfx), \ PORT_GP_1(bank, 1, fn, sfx), PORT_GP_1(bank, 0, fn, sfx) /* GP_ALL(suffix) - Expand to a list of GP_#_#_suffix */ #define _GP_ALL(bank, pin, name, sfx, cfg) name##_##sfx #define GP_ALL(str) CPU_ALL_GP(_GP_ALL, str) /* PINMUX_GPIO_GP_ALL - Expand to a list of sh_pfc_pin entries */ #define _GP_GPIO(bank, _pin, _name, sfx, cfg) { \ .pin = (bank * 32) + _pin, \ .name = __stringify(_name), \ .enum_id = _name##_DATA, \ .configs = cfg, \ } #define PINMUX_GPIO_GP_ALL() CPU_ALL_GP(_GP_GPIO, unused) /* PINMUX_DATA_GP_ALL - Expand to a list of name_DATA, name_FN marks */ #define _GP_DATA(bank, pin, name, sfx, cfg) PINMUX_DATA(name##_DATA, name##_FN) #define PINMUX_DATA_GP_ALL() CPU_ALL_GP(_GP_DATA, unused) /* * GP_ASSIGN_LAST() - Expand to an enum definition for the last GP pin * * The largest GP pin index is obtained by taking the size of a union, * containing one array per GP pin, sized by the corresponding pin index. * As the fields in the CPU_ALL_GP() macro definition are separated by commas, * while the members of a union must be terminated by semicolons, the commas * are absorbed by wrapping them inside dummy attributes. */ #define _GP_ENTRY(bank, pin, name, sfx, cfg) \ deprecated)); char name[(bank * 32) + pin] __attribute__((deprecated #define GP_ASSIGN_LAST() \ GP_LAST = sizeof(union { \ char dummy[0] __attribute__((deprecated, \ CPU_ALL_GP(_GP_ENTRY, unused), \ deprecated)); \ }) /* * PORT style (linear pin space) */ #define PORT_1(pn, fn, pfx, sfx) fn(pn, pfx, sfx) #define PORT_10(pn, fn, pfx, sfx) \ PORT_1(pn, fn, pfx##0, sfx), PORT_1(pn+1, fn, pfx##1, sfx), \ PORT_1(pn+2, fn, pfx##2, sfx), PORT_1(pn+3, fn, pfx##3, sfx), \ PORT_1(pn+4, fn, pfx##4, sfx), PORT_1(pn+5, fn, pfx##5, sfx), \ PORT_1(pn+6, fn, pfx##6, sfx), PORT_1(pn+7, fn, pfx##7, sfx), \ PORT_1(pn+8, fn, pfx##8, sfx), PORT_1(pn+9, fn, pfx##9, sfx) #define PORT_90(pn, fn, pfx, sfx) \ PORT_10(pn+10, fn, pfx##1, sfx), PORT_10(pn+20, fn, pfx##2, sfx), \ PORT_10(pn+30, fn, pfx##3, sfx), PORT_10(pn+40, fn, pfx##4, sfx), \ PORT_10(pn+50, fn, pfx##5, sfx), PORT_10(pn+60, fn, pfx##6, sfx), \ PORT_10(pn+70, fn, pfx##7, sfx), PORT_10(pn+80, fn, pfx##8, sfx), \ PORT_10(pn+90, fn, pfx##9, sfx) /* PORT_ALL(suffix) - Expand to a list of PORT_#_suffix */ #define _PORT_ALL(pn, pfx, sfx) pfx##_##sfx #define PORT_ALL(str) CPU_ALL_PORT(_PORT_ALL, PORT, str) /* PINMUX_GPIO - Expand to a sh_pfc_pin entry */ #define PINMUX_GPIO(_pin) \ [GPIO_##_pin] = { \ .pin = (u16)-1, \ .name = __stringify(GPIO_##_pin), \ .enum_id = _pin##_DATA, \ } /* SH_PFC_PIN_CFG - Expand to a sh_pfc_pin entry (named PORT#) with config */ #define SH_PFC_PIN_CFG(_pin, cfgs) { \ .pin = _pin, \ .name = __stringify(PORT##_pin), \ .enum_id = PORT##_pin##_DATA, \ .configs = cfgs, \ } /* PINMUX_DATA_ALL - Expand to a list of PORT_name_DATA, PORT_name_FN0, * PORT_name_OUT, PORT_name_IN marks */ #define _PORT_DATA(pn, pfx, sfx) \ PINMUX_DATA(PORT##pfx##_DATA, PORT##pfx##_FN0, \ PORT##pfx##_OUT, PORT##pfx##_IN) #define PINMUX_DATA_ALL() CPU_ALL_PORT(_PORT_DATA, , unused) /* * PORT_ASSIGN_LAST() - Expand to an enum definition for the last PORT pin * * The largest PORT pin index is obtained by taking the size of a union, * containing one array per PORT pin, sized by the corresponding pin index. * As the fields in the CPU_ALL_PORT() macro definition are separated by * commas, while the members of a union must be terminated by semicolons, the * commas are absorbed by wrapping them inside dummy attributes. */ #define _PORT_ENTRY(pn, pfx, sfx) \ deprecated)); char pfx[pn] __attribute__((deprecated #define PORT_ASSIGN_LAST() \ PORT_LAST = sizeof(union { \ char dummy[0] __attribute__((deprecated, \ CPU_ALL_PORT(_PORT_ENTRY, PORT, unused), \ deprecated)); \ }) /* GPIO_FN(name) - Expand to a sh_pfc_pin entry for a function GPIO */ #define PINMUX_GPIO_FN(gpio, base, data_or_mark) \ [gpio - (base)] = { \ .name = __stringify(gpio), \ .enum_id = data_or_mark, \ } #define GPIO_FN(str) \ PINMUX_GPIO_FN(GPIO_FN_##str, PINMUX_FN_BASE, str##_MARK) /* * Pins not associated with a GPIO port */ #define PIN_NOGP_CFG(pin, name, fn, cfg) fn(pin, name, cfg) #define PIN_NOGP(pin, name, fn) fn(pin, name, 0) /* NOGP_ALL - Expand to a list of PIN_id */ #define _NOGP_ALL(pin, name, cfg) PIN_##pin #define NOGP_ALL() CPU_ALL_NOGP(_NOGP_ALL) /* PINMUX_NOGP_ALL - Expand to a list of sh_pfc_pin entries */ #define _NOGP_PINMUX(_pin, _name, cfg) { \ .pin = PIN_##_pin, \ .name = "PIN_" _name, \ .configs = SH_PFC_PIN_CFG_NO_GPIO | cfg, \ } #define PINMUX_NOGP_ALL() CPU_ALL_NOGP(_NOGP_PINMUX) /* * PORTnCR helper macro for SH-Mobile/R-Mobile */ #define PORTCR(nr, reg) { \ PINMUX_CFG_REG_VAR("PORT" nr "CR", reg, 8, GROUP(-2, 2, -1, 3), \ GROUP( \ /* PULMD[1:0], handled by .set_bias() */ \ /* IE and OE */ \ 0, PORT##nr##_OUT, PORT##nr##_IN, 0, \ /* SEC, not supported */ \ /* PTMD[2:0] */ \ PORT##nr##_FN0, PORT##nr##_FN1, \ PORT##nr##_FN2, PORT##nr##_FN3, \ PORT##nr##_FN4, PORT##nr##_FN5, \ PORT##nr##_FN6, PORT##nr##_FN7 \ )) \ } /* * GPIO number helper macro for R-Car */ #define RCAR_GP_PIN(bank, pin) (((bank) * 32) + (pin)) /* * Bias helpers */ const struct pinmux_bias_reg * rcar_pin_to_bias_reg(const struct sh_pfc_soc_info *info, unsigned int pin, unsigned int *bit); unsigned int rcar_pinmux_get_bias(struct sh_pfc *pfc, unsigned int pin); void rcar_pinmux_set_bias(struct sh_pfc *pfc, unsigned int pin, unsigned int bias); #endif /* __SH_PFC_H */