UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge branches 'fixes' and 'fixes2' into devel-late 

* fixes:
  ixp4xx: fix compilation by adding gpiolib support

* fixes2:
  ARM: LPC32xx: Adjust dts files to gpio dt binding
This commit is contained in:
Olof Johansson 2012-05-30 16:16:12 -07:00
parent 63bda79dc4 9dde0ae376 a035254aef
commit 47e1993d32
5 changed files with 52 additions and 122 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
arch/arm/Kconfig
View File

@ -525,7 +525,7 @@ config ARCH_IXP4XX
select ARCH_HAS_DMA_SET_COHERENT_MASK
select CLKSRC_MMIO
select CPU_XSCALE
select GENERIC_GPIO
select ARCH_REQUIRE_GPIOLIB
select GENERIC_CLOCKEVENTS
select MIGHT_HAVE_PCI
select NEED_MACH_IO_H

41
arch/arm/boot/dts/lpc32xx.dtsi
View File

@ -215,45 +215,8 @@
gpio: gpio@40028000 {
compatible = "nxp,lpc3220-gpio";
reg = <0x40028000 0x1000>;
/* create a private address space for enumeration */
#address-cells = <1>;
#size-cells = <0>;
gpio_p0: gpio-bank@0 {
gpio-controller;
#gpio-cells = <2>;
reg = <0>;
};
gpio_p1: gpio-bank@1 {
gpio-controller;
#gpio-cells = <2>;
reg = <1>;
};
gpio_p2: gpio-bank@2 {
gpio-controller;
#gpio-cells = <2>;
reg = <2>;
};
gpio_p3: gpio-bank@3 {
gpio-controller;
#gpio-cells = <2>;
reg = <3>;
};
gpi_p3: gpio-bank@4 {
gpio-controller;
#gpio-cells = <2>;
reg = <4>;
};
gpo_p3: gpio-bank@5 {
gpio-controller;
#gpio-cells = <2>;
reg = <5>;
};
gpio-controller;
#gpio-cells = <3>; /* bank, pin, flags */
};
watchdog@4003C000 {

4
arch/arm/boot/dts/phy3250.dts
View File

@ -131,13 +131,13 @@
compatible = "gpio-leds";
led0 {
gpios = <&gpo_p3 1 1>; /* GPO_P3 1, GPIO 80, active low */
gpios = <&gpio 5 1 1>; /* GPO_P3 1, GPIO 80, active low */
linux,default-trigger = "heartbeat";
default-state = "off";
};
led1 {
gpios = <&gpo_p3 14 1>; /* GPO_P3 14, GPIO 93, active low */
gpios = <&gpio 5 14 1>; /* GPO_P3 14, GPIO 93, active low */
linux,default-trigger = "timer";
default-state = "off";
};

48
arch/arm/mach-ixp4xx/common.c
View File

@ -28,6 +28,7 @@
#include <linux/clockchips.h>
#include <linux/io.h>
#include <linux/export.h>
#include <linux/gpio.h>
#include <mach/udc.h>
#include <mach/hardware.h>
@ -107,7 +108,7 @@ static signed char irq2gpio[32] = {
7, 8, 9, 10, 11, 12, -1, -1,
};
int gpio_to_irq(int gpio)
static int ixp4xx_gpio_to_irq(struct gpio_chip *chip, unsigned gpio)
{
int irq;
@ -117,7 +118,6 @@ int gpio_to_irq(int gpio)
}
return -EINVAL;
}
EXPORT_SYMBOL(gpio_to_irq);
int irq_to_gpio(unsigned int irq)
{
@ -383,12 +383,56 @@ static struct platform_device *ixp46x_devices[] __initdata = {
unsigned long ixp4xx_exp_bus_size;
EXPORT_SYMBOL(ixp4xx_exp_bus_size);
static int ixp4xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
{
gpio_line_config(gpio, IXP4XX_GPIO_IN);
return 0;
}
static int ixp4xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio,
int level)
{
gpio_line_set(gpio, level);
gpio_line_config(gpio, IXP4XX_GPIO_OUT);
return 0;
}
static int ixp4xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
{
int value;
gpio_line_get(gpio, &value);
return value;
}
static void ixp4xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio,
int value)
{
gpio_line_set(gpio, value);
}
static struct gpio_chip ixp4xx_gpio_chip = {
.label = "IXP4XX_GPIO_CHIP",
.direction_input = ixp4xx_gpio_direction_input,
.direction_output = ixp4xx_gpio_direction_output,
.get = ixp4xx_gpio_get_value,
.set = ixp4xx_gpio_set_value,
.to_irq = ixp4xx_gpio_to_irq,
.base = 0,
.ngpio = 16,
};
void __init ixp4xx_sys_init(void)
{
ixp4xx_exp_bus_size = SZ_16M;
platform_add_devices(ixp4xx_devices, ARRAY_SIZE(ixp4xx_devices));
gpiochip_add(&ixp4xx_gpio_chip);
if (cpu_is_ixp46x()) {
int region;

79
arch/arm/mach-ixp4xx/include/mach/gpio.h
View File

@ -1,79 +1,2 @@
/*
* arch/arm/mach-ixp4xx/include/mach/gpio.h
*
* IXP4XX GPIO wrappers for arch-neutral GPIO calls
*
* Written by Milan Svoboda <msvoboda@ra.rockwell.com>
* Based on PXA implementation by Philipp Zabel <philipp.zabel@gmail.com>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __ASM_ARCH_IXP4XX_GPIO_H
#define __ASM_ARCH_IXP4XX_GPIO_H
#include <linux/kernel.h>
#include <mach/hardware.h>
#define __ARM_GPIOLIB_COMPLEX
static inline int gpio_request(unsigned gpio, const char *label)
{
return 0;
}
static inline void gpio_free(unsigned gpio)
{
might_sleep();
return;
}
static inline int gpio_direction_input(unsigned gpio)
{
gpio_line_config(gpio, IXP4XX_GPIO_IN);
return 0;
}
static inline int gpio_direction_output(unsigned gpio, int level)
{
gpio_line_set(gpio, level);
gpio_line_config(gpio, IXP4XX_GPIO_OUT);
return 0;
}
static inline int gpio_get_value(unsigned gpio)
{
int value;
gpio_line_get(gpio, &value);
return value;
}
static inline void gpio_set_value(unsigned gpio, int value)
{
gpio_line_set(gpio, value);
}
#include <asm-generic/gpio.h> /* cansleep wrappers */
extern int gpio_to_irq(int gpio);
#define gpio_to_irq gpio_to_irq
extern int irq_to_gpio(unsigned int irq);
#endif
/* empty */