71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
|
/*
|
||
|
|
* Structures and registers for GPIO access in the Nomadik SoC
|
||
|
|
*
|
||
|
|
* Copyright (C) 2008 STMicroelectronics
|
||
|
|
* Author: Prafulla WADASKAR <prafulla.wadaskar@st.com>
|
||
|
|
* Copyright (C) 2009 Alessandro Rubini <rubini@unipv.it>
|
||
|
|
*
|
||
|
|
* 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 __ASM_PLAT_GPIO_H
|
||
|
|
#define __ASM_PLAT_GPIO_H
|
||
|
|
|
||
|
|
#include <asm-generic/gpio.h>
|
||
|
|
|
||
|
|
/*
|
||
|
|
* These currently cause a function call to happen, they may be optimized
|
||
|
|
* if needed by adding cpu-specific defines to identify blocks
|
||
|
|
* (see mach-pxa/include/mach/gpio.h as an example using GPLR etc)
|
||
|
|
*/
|
||
|
|
#define gpio_get_value __gpio_get_value
|
||
|
|
#define gpio_set_value __gpio_set_value
|
||
|
|
#define gpio_cansleep __gpio_cansleep
|
||
|
|
#define gpio_to_irq __gpio_to_irq
|
||
|
|
|
||
|
|
/*
|
||
|
|
* "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_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)
|
||
|
|
|
||
|
|
extern int nmk_gpio_set_mode(int gpio, int gpio_mode);
|
||
|
|
extern int nmk_gpio_get_mode(int gpio);
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Platform data to register a block: only the initial gpio/irq number.
|
||
|
|
*/
|
||
|
|
struct nmk_gpio_platform_data {
|
||
|
|
char *name;
|
||
|
|
int first_gpio;
|
||
|
|
int first_irq;
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif /* __ASM_PLAT_GPIO_H */
|