1 /* 2 * Copyright (c) 2013 Xilinx, Inc. 3 * Copyright (c) 2015 DAVE Embedded Systems 4 * 5 * SPDX-License-Identifier: GPL-2.0+ 6 */ 7 8 #ifndef _ZYNQ_GPIO_H 9 #define _ZYNQ_GPIO_H 10 11 #define ZYNQ_GPIO_BASE_ADDRESS 0xE000A000 12 13 /* Maximum banks */ 14 #define ZYNQ_GPIO_MAX_BANK 4 15 16 #define ZYNQ_GPIO_BANK0_NGPIO 32 17 #define ZYNQ_GPIO_BANK1_NGPIO 22 18 #define ZYNQ_GPIO_BANK2_NGPIO 32 19 #define ZYNQ_GPIO_BANK3_NGPIO 32 20 21 #define ZYNQ_GPIO_NR_GPIOS (ZYNQ_GPIO_BANK0_NGPIO + \ 22 ZYNQ_GPIO_BANK1_NGPIO + \ 23 ZYNQ_GPIO_BANK2_NGPIO + \ 24 ZYNQ_GPIO_BANK3_NGPIO) 25 26 #define ZYNQ_GPIO_BANK0_PIN_MIN 0 27 #define ZYNQ_GPIO_BANK0_PIN_MAX (ZYNQ_GPIO_BANK0_PIN_MIN + \ 28 ZYNQ_GPIO_BANK0_NGPIO - 1) 29 #define ZYNQ_GPIO_BANK1_PIN_MIN (ZYNQ_GPIO_BANK0_PIN_MAX + 1) 30 #define ZYNQ_GPIO_BANK1_PIN_MAX (ZYNQ_GPIO_BANK1_PIN_MIN + \ 31 ZYNQ_GPIO_BANK1_NGPIO - 1) 32 #define ZYNQ_GPIO_BANK2_PIN_MIN (ZYNQ_GPIO_BANK1_PIN_MAX + 1) 33 #define ZYNQ_GPIO_BANK2_PIN_MAX (ZYNQ_GPIO_BANK2_PIN_MIN + \ 34 ZYNQ_GPIO_BANK2_NGPIO - 1) 35 #define ZYNQ_GPIO_BANK3_PIN_MIN (ZYNQ_GPIO_BANK2_PIN_MAX + 1) 36 #define ZYNQ_GPIO_BANK3_PIN_MAX (ZYNQ_GPIO_BANK3_PIN_MIN + \ 37 ZYNQ_GPIO_BANK3_NGPIO - 1) 38 39 /* Register offsets for the GPIO device */ 40 /* LSW Mask & Data -WO */ 41 #define ZYNQ_GPIO_DATA_LSW_OFFSET(BANK) (0x000 + (8 * BANK)) 42 /* MSW Mask & Data -WO */ 43 #define ZYNQ_GPIO_DATA_MSW_OFFSET(BANK) (0x004 + (8 * BANK)) 44 /* Data Register-RW */ 45 #define ZYNQ_GPIO_DATA_RO_OFFSET(BANK) (0x060 + (4 * BANK)) 46 /* Direction mode reg-RW */ 47 #define ZYNQ_GPIO_DIRM_OFFSET(BANK) (0x204 + (0x40 * BANK)) 48 /* Output enable reg-RW */ 49 #define ZYNQ_GPIO_OUTEN_OFFSET(BANK) (0x208 + (0x40 * BANK)) 50 /* Interrupt mask reg-RO */ 51 #define ZYNQ_GPIO_INTMASK_OFFSET(BANK) (0x20C + (0x40 * BANK)) 52 /* Interrupt enable reg-WO */ 53 #define ZYNQ_GPIO_INTEN_OFFSET(BANK) (0x210 + (0x40 * BANK)) 54 /* Interrupt disable reg-WO */ 55 #define ZYNQ_GPIO_INTDIS_OFFSET(BANK) (0x214 + (0x40 * BANK)) 56 /* Interrupt status reg-RO */ 57 #define ZYNQ_GPIO_INTSTS_OFFSET(BANK) (0x218 + (0x40 * BANK)) 58 /* Interrupt type reg-RW */ 59 #define ZYNQ_GPIO_INTTYPE_OFFSET(BANK) (0x21C + (0x40 * BANK)) 60 /* Interrupt polarity reg-RW */ 61 #define ZYNQ_GPIO_INTPOL_OFFSET(BANK) (0x220 + (0x40 * BANK)) 62 /* Interrupt on any, reg-RW */ 63 #define ZYNQ_GPIO_INTANY_OFFSET(BANK) (0x224 + (0x40 * BANK)) 64 65 /* Disable all interrupts mask */ 66 #define ZYNQ_GPIO_IXR_DISABLE_ALL 0xFFFFFFFF 67 68 /* Mid pin number of a bank */ 69 #define ZYNQ_GPIO_MID_PIN_NUM 16 70 71 /* GPIO upper 16 bit mask */ 72 #define ZYNQ_GPIO_UPPER_MASK 0xFFFF0000 73 74 #define BIT(x) (1<<x) 75 76 #endif /* _ZYNQ_GPIO_H */ 77