| /* |
| * This file is part of the coreboot project. |
| * |
| * Copyright 2014 Rockchip Inc. |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; version 2 of the License. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| #ifndef __SOC_ROCKCHIP_RK3288_GPIO_H__ |
| #define __SOC_ROCKCHIP_RK3288_GPIO_H__ |
| |
| #include "addressmap.h" |
| #include "grf.h" |
| |
| struct rk3288_gpio_regs { |
| u32 swporta_dr; |
| u32 swporta_ddr; |
| u32 reserved0[(0x30 - 0x08) / 4]; |
| u32 inten; |
| u32 intmask; |
| u32 inttype_level; |
| u32 int_polarity; |
| u32 int_status; |
| u32 int_rawstatus; |
| u32 debounce; |
| u32 porta_eoi; |
| u32 ext_porta; |
| u32 reserved1[(0x60 - 0x54) / 4]; |
| u32 ls_sync; |
| }; |
| check_member(rk3288_gpio_regs, ls_sync, 0x60); |
| |
| typedef union { |
| u32 raw; |
| struct { |
| u16 port; |
| union { |
| struct { |
| u16 num:5; |
| u16 :11; |
| }; |
| struct { |
| u16 idx:3; |
| u16 bank:2; |
| u16 :11; |
| }; |
| }; |
| }; |
| } gpio_t; |
| |
| enum { |
| GPIO_A = 0, |
| GPIO_B, |
| GPIO_C, |
| GPIO_D, |
| }; |
| |
| void gpio_input(gpio_t gpio); |
| void gpio_input_pulldown(gpio_t gpio); |
| void gpio_input_pullup(gpio_t gpio); |
| void gpio_output(gpio_t gpio, int value); |
| int gpio_get_in_value(gpio_t gpio); |
| |
| #endif /* _ASM_ROCKCHIP_GPIO_H_ */ |