1 /* SPDX-License-Identifier: GPL-2.0+ */ 2 /* 3 * (C) Copyright 2015 Google, Inc 4 */ 5 6 #ifndef _ASM_ARCH_GPIO_H 7 #define _ASM_ARCH_GPIO_H 8 9 struct rockchip_gpio_regs { 10 u32 swport_dr; 11 u32 swport_ddr; 12 u32 reserved0[(0x30 - 0x08) / 4]; 13 u32 inten; 14 u32 intmask; 15 u32 inttype_level; 16 u32 int_polarity; 17 u32 int_status; 18 u32 int_rawstatus; 19 u32 debounce; 20 u32 porta_eoi; 21 u32 ext_port; 22 u32 reserved1[(0x60 - 0x54) / 4]; 23 u32 ls_sync; 24 }; 25 check_member(rockchip_gpio_regs, ls_sync, 0x60); 26 27 enum gpio_pu_pd { 28 GPIO_PULL_NORMAL = 0, 29 GPIO_PULL_UP, 30 GPIO_PULL_DOWN, 31 GPIO_PULL_REPEAT, 32 }; 33 34 /* These defines are only used by spl_gpio.h */ 35 enum { 36 /* Banks have 8 GPIOs, so 3 bits, and there are 4 banks, so 2 bits */ 37 GPIO_BANK_SHIFT = 3, 38 GPIO_BANK_MASK = 3 << GPIO_BANK_SHIFT, 39 40 GPIO_OFFSET_MASK = 0x1f, 41 }; 42 43 #define GPIO(bank, offset) ((bank) << GPIO_BANK_SHIFT | (offset)) 44 45 enum gpio_bank_t { 46 BANK_A = 0, 47 BANK_B, 48 BANK_C, 49 BANK_D, 50 }; 51 52 enum gpio_dir_t { 53 GPIO_INPUT = 0, 54 GPIO_OUTPUT, 55 }; 56 57 #endif 58