mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-27 06:05:12 +07:00
5ae30b477e
This saves us from soc level dispatching in generic files Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
67 lines
2.1 KiB
C
67 lines
2.1 KiB
C
/*
|
|
* Copyright 2007 Freescale Semiconductor, Inc. All Rights Reserved.
|
|
* Copyright 2008 Juergen Beisert, kernel@pengutronix.de
|
|
*
|
|
* 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; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
* 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 Street, Fifth Floor, Boston, MA 02110-1301, USA.
|
|
*/
|
|
|
|
#ifndef __ASM_ARCH_MXC_GPIO_H__
|
|
#define __ASM_ARCH_MXC_GPIO_H__
|
|
|
|
#include <linux/spinlock.h>
|
|
#include <mach/hardware.h>
|
|
#include <asm-generic/gpio.h>
|
|
|
|
|
|
/* There's a off-by-one betweem the gpio bank number and the gpiochip */
|
|
/* range e.g. GPIO_1_5 is gpio 5 under linux */
|
|
#define IMX_GPIO_NR(bank, nr) (((bank) - 1) * 32 + (nr))
|
|
|
|
/* use gpiolib dispatchers */
|
|
#define gpio_get_value __gpio_get_value
|
|
#define gpio_set_value __gpio_set_value
|
|
#define gpio_cansleep __gpio_cansleep
|
|
|
|
#define gpio_to_irq(gpio) (MXC_GPIO_IRQ_START + (gpio))
|
|
#define irq_to_gpio(irq) ((irq) - MXC_GPIO_IRQ_START)
|
|
|
|
struct mxc_gpio_port {
|
|
void __iomem *base;
|
|
int irq;
|
|
int irq_high;
|
|
int virtual_irq_start;
|
|
struct gpio_chip chip;
|
|
u32 both_edges;
|
|
spinlock_t lock;
|
|
};
|
|
|
|
#define DEFINE_IMX_GPIO_PORT_IRQ_HIGH(soc, _id, _hwid, _irq, _irq_high) \
|
|
{ \
|
|
.chip.label = "gpio-" #_id, \
|
|
.irq = _irq, \
|
|
.irq_high = _irq_high, \
|
|
.base = soc ## _IO_ADDRESS( \
|
|
soc ## _GPIO ## _hwid ## _BASE_ADDR), \
|
|
.virtual_irq_start = MXC_GPIO_IRQ_START + (_id) * 32, \
|
|
}
|
|
|
|
#define DEFINE_IMX_GPIO_PORT_IRQ(soc, _id, _hwid, _irq) \
|
|
DEFINE_IMX_GPIO_PORT_IRQ_HIGH(soc, _id, _hwid, _irq, 0)
|
|
#define DEFINE_IMX_GPIO_PORT(soc, _id, _hwid) \
|
|
DEFINE_IMX_GPIO_PORT_IRQ(soc, _id, _hwid, 0)
|
|
|
|
int mxc_gpio_init(struct mxc_gpio_port*, int);
|
|
|
|
#endif
|