| /* SPDX-License-Identifier: GPL-2.0+ */ |
| /* |
| * [origin: Linux kernel include/asm-arm/arch-at91/gpio.h] |
| * |
| * Copyright (C) 2005 HP Labs |
| */ |
| |
| #ifndef __ASM_ARCH_AT91_GPIO_H |
| #define __ASM_ARCH_AT91_GPIO_H |
| |
| #include <asm/io.h> |
| #include <linux/errno.h> |
| #include <asm/arch/at91_pio.h> |
| #include <asm/arch/hardware.h> |
| |
| #ifdef CONFIG_ATMEL_LEGACY |
| |
| #define PIN_BASE 0 |
| |
| #define MAX_GPIO_BANKS 5 |
| |
| /* these pin numbers double as IRQ numbers, like AT91xxx_ID_* values */ |
| |
| #define AT91_PIN_PA0 (PIN_BASE + 0x00 + 0) |
| #define AT91_PIN_PA1 (PIN_BASE + 0x00 + 1) |
| #define AT91_PIN_PA2 (PIN_BASE + 0x00 + 2) |
| #define AT91_PIN_PA3 (PIN_BASE + 0x00 + 3) |
| #define AT91_PIN_PA4 (PIN_BASE + 0x00 + 4) |
| #define AT91_PIN_PA5 (PIN_BASE + 0x00 + 5) |
| #define AT91_PIN_PA6 (PIN_BASE + 0x00 + 6) |
| #define AT91_PIN_PA7 (PIN_BASE + 0x00 + 7) |
| #define AT91_PIN_PA8 (PIN_BASE + 0x00 + 8) |
| #define AT91_PIN_PA9 (PIN_BASE + 0x00 + 9) |
| #define AT91_PIN_PA10 (PIN_BASE + 0x00 + 10) |
| #define AT91_PIN_PA11 (PIN_BASE + 0x00 + 11) |
| #define AT91_PIN_PA12 (PIN_BASE + 0x00 + 12) |
| #define AT91_PIN_PA13 (PIN_BASE + 0x00 + 13) |
| #define AT91_PIN_PA14 (PIN_BASE + 0x00 + 14) |
| #define AT91_PIN_PA15 (PIN_BASE + 0x00 + 15) |
| #define AT91_PIN_PA16 (PIN_BASE + 0x00 + 16) |
| #define AT91_PIN_PA17 (PIN_BASE + 0x00 + 17) |
| #define AT91_PIN_PA18 (PIN_BASE + 0x00 + 18) |
| #define AT91_PIN_PA19 (PIN_BASE + 0x00 + 19) |
| #define AT91_PIN_PA20 (PIN_BASE + 0x00 + 20) |
| #define AT91_PIN_PA21 (PIN_BASE + 0x00 + 21) |
| #define AT91_PIN_PA22 (PIN_BASE + 0x00 + 22) |
| #define AT91_PIN_PA23 (PIN_BASE + 0x00 + 23) |
| #define AT91_PIN_PA24 (PIN_BASE + 0x00 + 24) |
| #define AT91_PIN_PA25 (PIN_BASE + 0x00 + 25) |
| #define AT91_PIN_PA26 (PIN_BASE + 0x00 + 26) |
| #define AT91_PIN_PA27 (PIN_BASE + 0x00 + 27) |
| #define AT91_PIN_PA28 (PIN_BASE + 0x00 + 28) |
| #define AT91_PIN_PA29 (PIN_BASE + 0x00 + 29) |
| #define AT91_PIN_PA30 (PIN_BASE + 0x00 + 30) |
| #define AT91_PIN_PA31 (PIN_BASE + 0x00 + 31) |
| |
| #define AT91_PIN_PB0 (PIN_BASE + 0x20 + 0) |
| #define AT91_PIN_PB1 (PIN_BASE + 0x20 + 1) |
| #define AT91_PIN_PB2 (PIN_BASE + 0x20 + 2) |
| #define AT91_PIN_PB3 (PIN_BASE + 0x20 + 3) |
| #define AT91_PIN_PB4 (PIN_BASE + 0x20 + 4) |
| #define AT91_PIN_PB5 (PIN_BASE + 0x20 + 5) |
| #define AT91_PIN_PB6 (PIN_BASE + 0x20 + 6) |
| #define AT91_PIN_PB7 (PIN_BASE + 0x20 + 7) |
| #define AT91_PIN_PB8 (PIN_BASE + 0x20 + 8) |
| #define AT91_PIN_PB9 (PIN_BASE + 0x20 + 9) |
| #define AT91_PIN_PB10 (PIN_BASE + 0x20 + 10) |
| #define AT91_PIN_PB11 (PIN_BASE + 0x20 + 11) |
| #define AT91_PIN_PB12 (PIN_BASE + 0x20 + 12) |
| #define AT91_PIN_PB13 (PIN_BASE + 0x20 + 13) |
| #define AT91_PIN_PB14 (PIN_BASE + 0x20 + 14) |
| #define AT91_PIN_PB15 (PIN_BASE + 0x20 + 15) |
| #define AT91_PIN_PB16 (PIN_BASE + 0x20 + 16) |
| #define AT91_PIN_PB17 (PIN_BASE + 0x20 + 17) |
| #define AT91_PIN_PB18 (PIN_BASE + 0x20 + 18) |
| #define AT91_PIN_PB19 (PIN_BASE + 0x20 + 19) |
| #define AT91_PIN_PB20 (PIN_BASE + 0x20 + 20) |
| #define AT91_PIN_PB21 (PIN_BASE + 0x20 + 21) |
| #define AT91_PIN_PB22 (PIN_BASE + 0x20 + 22) |
| #define AT91_PIN_PB23 (PIN_BASE + 0x20 + 23) |
| #define AT91_PIN_PB24 (PIN_BASE + 0x20 + 24) |
| #define AT91_PIN_PB25 (PIN_BASE + 0x20 + 25) |
| #define AT91_PIN_PB26 (PIN_BASE + 0x20 + 26) |
| #define AT91_PIN_PB27 (PIN_BASE + 0x20 + 27) |
| #define AT91_PIN_PB28 (PIN_BASE + 0x20 + 28) |
| #define AT91_PIN_PB29 (PIN_BASE + 0x20 + 29) |
| #define AT91_PIN_PB30 (PIN_BASE + 0x20 + 30) |
| #define AT91_PIN_PB31 (PIN_BASE + 0x20 + 31) |
| |
| #define AT91_PIN_PC0 (PIN_BASE + 0x40 + 0) |
| #define AT91_PIN_PC1 (PIN_BASE + 0x40 + 1) |
| #define AT91_PIN_PC2 (PIN_BASE + 0x40 + 2) |
| #define AT91_PIN_PC3 (PIN_BASE + 0x40 + 3) |
| #define AT91_PIN_PC4 (PIN_BASE + 0x40 + 4) |
| #define AT91_PIN_PC5 (PIN_BASE + 0x40 + 5) |
| #define AT91_PIN_PC6 (PIN_BASE + 0x40 + 6) |
| #define AT91_PIN_PC7 (PIN_BASE + 0x40 + 7) |
| #define AT91_PIN_PC8 (PIN_BASE + 0x40 + 8) |
| #define AT91_PIN_PC9 (PIN_BASE + 0x40 + 9) |
| #define AT91_PIN_PC10 (PIN_BASE + 0x40 + 10) |
| #define AT91_PIN_PC11 (PIN_BASE + 0x40 + 11) |
| #define AT91_PIN_PC12 (PIN_BASE + 0x40 + 12) |
| #define AT91_PIN_PC13 (PIN_BASE + 0x40 + 13) |
| #define AT91_PIN_PC14 (PIN_BASE + 0x40 + 14) |
| #define AT91_PIN_PC15 (PIN_BASE + 0x40 + 15) |
| #define AT91_PIN_PC16 (PIN_BASE + 0x40 + 16) |
| #define AT91_PIN_PC17 (PIN_BASE + 0x40 + 17) |
| #define AT91_PIN_PC18 (PIN_BASE + 0x40 + 18) |
| #define AT91_PIN_PC19 (PIN_BASE + 0x40 + 19) |
| #define AT91_PIN_PC20 (PIN_BASE + 0x40 + 20) |
| #define AT91_PIN_PC21 (PIN_BASE + 0x40 + 21) |
| #define AT91_PIN_PC22 (PIN_BASE + 0x40 + 22) |
| #define AT91_PIN_PC23 (PIN_BASE + 0x40 + 23) |
| #define AT91_PIN_PC24 (PIN_BASE + 0x40 + 24) |
| #define AT91_PIN_PC25 (PIN_BASE + 0x40 + 25) |
| #define AT91_PIN_PC26 (PIN_BASE + 0x40 + 26) |
| #define AT91_PIN_PC27 (PIN_BASE + 0x40 + 27) |
| #define AT91_PIN_PC28 (PIN_BASE + 0x40 + 28) |
| #define AT91_PIN_PC29 (PIN_BASE + 0x40 + 29) |
| #define AT91_PIN_PC30 (PIN_BASE + 0x40 + 30) |
| #define AT91_PIN_PC31 (PIN_BASE + 0x40 + 31) |
| |
| #define AT91_PIN_PD0 (PIN_BASE + 0x60 + 0) |
| #define AT91_PIN_PD1 (PIN_BASE + 0x60 + 1) |
| #define AT91_PIN_PD2 (PIN_BASE + 0x60 + 2) |
| #define AT91_PIN_PD3 (PIN_BASE + 0x60 + 3) |
| #define AT91_PIN_PD4 (PIN_BASE + 0x60 + 4) |
| #define AT91_PIN_PD5 (PIN_BASE + 0x60 + 5) |
| #define AT91_PIN_PD6 (PIN_BASE + 0x60 + 6) |
| #define AT91_PIN_PD7 (PIN_BASE + 0x60 + 7) |
| #define AT91_PIN_PD8 (PIN_BASE + 0x60 + 8) |
| #define AT91_PIN_PD9 (PIN_BASE + 0x60 + 9) |
| #define AT91_PIN_PD10 (PIN_BASE + 0x60 + 10) |
| #define AT91_PIN_PD11 (PIN_BASE + 0x60 + 11) |
| #define AT91_PIN_PD12 (PIN_BASE + 0x60 + 12) |
| #define AT91_PIN_PD13 (PIN_BASE + 0x60 + 13) |
| #define AT91_PIN_PD14 (PIN_BASE + 0x60 + 14) |
| #define AT91_PIN_PD15 (PIN_BASE + 0x60 + 15) |
| #define AT91_PIN_PD16 (PIN_BASE + 0x60 + 16) |
| #define AT91_PIN_PD17 (PIN_BASE + 0x60 + 17) |
| #define AT91_PIN_PD18 (PIN_BASE + 0x60 + 18) |
| #define AT91_PIN_PD19 (PIN_BASE + 0x60 + 19) |
| #define AT91_PIN_PD20 (PIN_BASE + 0x60 + 20) |
| #define AT91_PIN_PD21 (PIN_BASE + 0x60 + 21) |
| #define AT91_PIN_PD22 (PIN_BASE + 0x60 + 22) |
| #define AT91_PIN_PD23 (PIN_BASE + 0x60 + 23) |
| #define AT91_PIN_PD24 (PIN_BASE + 0x60 + 24) |
| #define AT91_PIN_PD25 (PIN_BASE + 0x60 + 25) |
| #define AT91_PIN_PD26 (PIN_BASE + 0x60 + 26) |
| #define AT91_PIN_PD27 (PIN_BASE + 0x60 + 27) |
| #define AT91_PIN_PD28 (PIN_BASE + 0x60 + 28) |
| #define AT91_PIN_PD29 (PIN_BASE + 0x60 + 29) |
| #define AT91_PIN_PD30 (PIN_BASE + 0x60 + 30) |
| #define AT91_PIN_PD31 (PIN_BASE + 0x60 + 31) |
| |
| #define AT91_PIN_PE0 (PIN_BASE + 0x80 + 0) |
| #define AT91_PIN_PE1 (PIN_BASE + 0x80 + 1) |
| #define AT91_PIN_PE2 (PIN_BASE + 0x80 + 2) |
| #define AT91_PIN_PE3 (PIN_BASE + 0x80 + 3) |
| #define AT91_PIN_PE4 (PIN_BASE + 0x80 + 4) |
| #define AT91_PIN_PE5 (PIN_BASE + 0x80 + 5) |
| #define AT91_PIN_PE6 (PIN_BASE + 0x80 + 6) |
| #define AT91_PIN_PE7 (PIN_BASE + 0x80 + 7) |
| #define AT91_PIN_PE8 (PIN_BASE + 0x80 + 8) |
| #define AT91_PIN_PE9 (PIN_BASE + 0x80 + 9) |
| #define AT91_PIN_PE10 (PIN_BASE + 0x80 + 10) |
| #define AT91_PIN_PE11 (PIN_BASE + 0x80 + 11) |
| #define AT91_PIN_PE12 (PIN_BASE + 0x80 + 12) |
| #define AT91_PIN_PE13 (PIN_BASE + 0x80 + 13) |
| #define AT91_PIN_PE14 (PIN_BASE + 0x80 + 14) |
| #define AT91_PIN_PE15 (PIN_BASE + 0x80 + 15) |
| #define AT91_PIN_PE16 (PIN_BASE + 0x80 + 16) |
| #define AT91_PIN_PE17 (PIN_BASE + 0x80 + 17) |
| #define AT91_PIN_PE18 (PIN_BASE + 0x80 + 18) |
| #define AT91_PIN_PE19 (PIN_BASE + 0x80 + 19) |
| #define AT91_PIN_PE20 (PIN_BASE + 0x80 + 20) |
| #define AT91_PIN_PE21 (PIN_BASE + 0x80 + 21) |
| #define AT91_PIN_PE22 (PIN_BASE + 0x80 + 22) |
| #define AT91_PIN_PE23 (PIN_BASE + 0x80 + 23) |
| #define AT91_PIN_PE24 (PIN_BASE + 0x80 + 24) |
| #define AT91_PIN_PE25 (PIN_BASE + 0x80 + 25) |
| #define AT91_PIN_PE26 (PIN_BASE + 0x80 + 26) |
| #define AT91_PIN_PE27 (PIN_BASE + 0x80 + 27) |
| #define AT91_PIN_PE28 (PIN_BASE + 0x80 + 28) |
| #define AT91_PIN_PE29 (PIN_BASE + 0x80 + 29) |
| #define AT91_PIN_PE30 (PIN_BASE + 0x80 + 30) |
| #define AT91_PIN_PE31 (PIN_BASE + 0x80 + 31) |
| |
| static unsigned long at91_pios[] = { |
| ATMEL_BASE_PIOA, |
| ATMEL_BASE_PIOB, |
| ATMEL_BASE_PIOC, |
| #ifdef ATMEL_BASE_PIOD |
| ATMEL_BASE_PIOD, |
| #ifdef ATMEL_BASE_PIOE |
| ATMEL_BASE_PIOE |
| #endif |
| #endif |
| }; |
| |
| static inline void *pin_to_controller(unsigned pin) |
| { |
| pin -= PIN_BASE; |
| pin /= 32; |
| return (void *)(at91_pios[pin]); |
| } |
| |
| static inline unsigned pin_to_mask(unsigned pin) |
| { |
| pin -= PIN_BASE; |
| return 1 << (pin % 32); |
| } |
| |
| /* The following macros are need for backward compatibility */ |
| #define at91_set_GPIO_periph(x, y) \ |
| at91_set_pio_periph((x - PIN_BASE) / 32,(x % 32), y) |
| #define at91_set_A_periph(x, y) \ |
| at91_set_a_periph((x - PIN_BASE) / 32,(x % 32), y) |
| #define at91_set_B_periph(x, y) \ |
| at91_set_b_periph((x - PIN_BASE) / 32,(x % 32), y) |
| #define at91_set_gpio_deglitch(x, y) \ |
| at91_set_pio_deglitch((x - PIN_BASE) / 32,(x % 32), y) |
| #define at91_set_gpio_output(x, y) \ |
| at91_set_pio_output((x - PIN_BASE) / 32,(x % 32), y) |
| #define at91_set_gpio_input(x, y) \ |
| at91_set_pio_input((x - PIN_BASE) / 32,(x % 32), y) |
| #endif |
| |
| #define at91_set_gpio_value(x, y) \ |
| at91_set_pio_value((x / 32), (x % 32), y) |
| #define at91_get_gpio_value(x) \ |
| at91_get_pio_value((x / 32), (x % 32)) |
| |
| #define GPIO_PIOA_BASE (0) |
| #define GPIO_PIOB_BASE (GPIO_PIOA_BASE + 32) |
| #define GPIO_PIOC_BASE (GPIO_PIOB_BASE + 32) |
| #define GPIO_PIOD_BASE (GPIO_PIOC_BASE + 32) |
| #define GPIO_PIOE_BASE (GPIO_PIOD_BASE + 32) |
| #define GPIO_PIN_PA(x) (GPIO_PIOA_BASE + (x)) |
| #define GPIO_PIN_PB(x) (GPIO_PIOB_BASE + (x)) |
| #define GPIO_PIN_PC(x) (GPIO_PIOC_BASE + (x)) |
| #define GPIO_PIN_PD(x) (GPIO_PIOD_BASE + (x)) |
| #define GPIO_PIN_PE(x) (GPIO_PIOE_BASE + (x)) |
| |
| static inline unsigned at91_gpio_to_port(unsigned gpio) |
| { |
| return gpio / 32; |
| } |
| |
| static inline unsigned at91_gpio_to_pin(unsigned gpio) |
| { |
| return gpio % 32; |
| } |
| |
| /* Platform data for each GPIO port */ |
| struct at91_port_plat { |
| uint32_t base_addr; |
| const char *bank_name; |
| }; |
| |
| #endif /* __ASM_ARCH_AT91_GPIO_H */ |
