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ramips: move GPIO definitions into a separate header file

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@26325 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2011-03-27 19:19:57 +00:00
parent 8e5950efc5
commit 5045f0c4da
5 changed files with 52 additions and 63 deletions
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1
target/linux/ramips/files/arch/mips/include/asm/mach-ralink/common.h
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@@ -16,7 +16,6 @@ void ramips_intc_irq_init(unsigned intc_base, unsigned irq, unsigned irq_base);
u32 ramips_intc_get_status(void);
void ramips_soc_setup(void);
void ramips_gpio_init(void);
void ramips_early_serial_setup(int line, unsigned base, unsigned freq,
unsigned irq);

48
target/linux/ramips/files/arch/mips/include/asm/mach-ralink/ramips_gpio.h Normal file
View File

@@ -0,0 +1,48 @@
/*
* Ralink SoC specific GPIO support
*
* Copyright (C) 2011 Gabor Juhos <juhosg@openwrt.org>
*
* 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 _RAMIPS_GPIO_H
#define _RAMIPS_GPIO_H
#include <linux/gpio.h>
#include <linux/spinlock.h>
enum ramips_gpio_reg {
RAMIPS_GPIO_REG_INT = 0, /* Interrupt status */
RAMIPS_GPIO_REG_EDGE,
RAMIPS_GPIO_REG_RENA,
RAMIPS_GPIO_REG_FENA,
RAMIPS_GPIO_REG_DATA,
RAMIPS_GPIO_REG_DIR, /* Direction, 0:in, 1: out */
RAMIPS_GPIO_REG_POL, /* Polarity, 0: normal, 1: invert */
RAMIPS_GPIO_REG_SET,
RAMIPS_GPIO_REG_RESET,
RAMIPS_GPIO_REG_TOGGLE,
RAMIPS_GPIO_REG_MAX
};
struct ramips_gpio_chip {
struct gpio_chip chip;
unsigned long map_base;
unsigned long map_size;
u8 regs[RAMIPS_GPIO_REG_MAX];
spinlock_t lock;
void __iomem *regs_base;
};
struct ramips_gpio_data {
unsigned int num_chips;
struct ramips_gpio_chip *chips;
};
int ramips_gpio_init(struct ramips_gpio_data *data);
#endif /* _RAMIPS_GPIO_H */