diff options
Diffstat (limited to 'src/soc/rockchip/rk3288/gpio.h')
-rwxr-xr-x | src/soc/rockchip/rk3288/gpio.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/src/soc/rockchip/rk3288/gpio.h b/src/soc/rockchip/rk3288/gpio.h new file mode 100755 index 0000000000..6cac6cbdec --- /dev/null +++ b/src/soc/rockchip/rk3288/gpio.h @@ -0,0 +1,75 @@ +/* + * 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_ */ |