/* * Structures and registers for GPIO access in the Nomadik SoC * * Copyright (C) 2008 STMicroelectronics * Author: Prafulla WADASKAR * Copyright (C) 2009 Alessandro Rubini * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef __PLAT_NOMADIK_GPIO #define __PLAT_NOMADIK_GPIO /* * "nmk_gpio" and "NMK_GPIO" stand for "Nomadik GPIO", leaving * the "gpio" namespace for generic and cross-machine functions */ /* Register in the logic block */ #define NMK_GPIO_DAT 0x00 #define NMK_GPIO_DATS 0x04 #define NMK_GPIO_DATC 0x08 #define NMK_GPIO_PDIS 0x0c #define NMK_GPIO_DIR 0x10 #define NMK_GPIO_DIRS 0x14 #define NMK_GPIO_DIRC 0x18 #define NMK_GPIO_SLPC 0x1c #define NMK_GPIO_AFSLA 0x20 #define NMK_GPIO_AFSLB 0x24 #define NMK_GPIO_LOWEMI 0x28 #define NMK_GPIO_RIMSC 0x40 #define NMK_GPIO_FIMSC 0x44 #define NMK_GPIO_IS 0x48 #define NMK_GPIO_IC 0x4c #define NMK_GPIO_RWIMSC 0x50 #define NMK_GPIO_FWIMSC 0x54 #define NMK_GPIO_WKS 0x58 /* Alternate functions: function C is set in hw by setting both A and B */ #define NMK_GPIO_ALT_GPIO 0 #define NMK_GPIO_ALT_A 1 #define NMK_GPIO_ALT_B 2 #define NMK_GPIO_ALT_C (NMK_GPIO_ALT_A | NMK_GPIO_ALT_B) #define NMK_GPIO_ALT_CX_SHIFT 2 #define NMK_GPIO_ALT_C1 ((1<