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yaml
---
r: 100712
b: refs/heads/master
c: 63f385c
h: refs/heads/master
v: v3
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Arnaud Patard authored and Russell King committed Jul 9, 2008
1 parent 02f17f2 commit ba1e2a4
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Showing 7 changed files with 133 additions and 6 deletions.
2 changes: 1 addition & 1 deletion [refs]
Original file line number Diff line number Diff line change
@@ -1,2 +1,2 @@
---
refs/heads/master: 0c5d5b70449eddb7e2c8a5fdaf71b6108c1a9afc
refs/heads/master: 63f385cd1f649b3f4f2d59fc609e051981215fd7
4 changes: 4 additions & 0 deletions trunk/arch/arm/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -299,6 +299,8 @@ config ARCH_IOP32X
depends on MMU
select PLAT_IOP
select PCI
select GENERIC_GPIO
select HAVE_GPIO_LIB
help
Support for Intel's 80219 and IOP32X (XScale) family of
processors.
Expand All @@ -308,6 +310,8 @@ config ARCH_IOP33X
depends on MMU
select PLAT_IOP
select PCI
select GENERIC_GPIO
select HAVE_GPIO_LIB
help
Support for Intel's IOP33X (XScale) family of processors.

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5 changes: 0 additions & 5 deletions trunk/arch/arm/mach-ep93xx/clock.c
Original file line number Diff line number Diff line change
Expand Up @@ -74,7 +74,6 @@ struct clk *clk_get(struct device *dev, const char *id)

return ERR_PTR(-ENOENT);
}
EXPORT_SYMBOL(clk_get);

int clk_enable(struct clk *clk)
{
Expand All @@ -87,7 +86,6 @@ int clk_enable(struct clk *clk)

return 0;
}
EXPORT_SYMBOL(clk_enable);

void clk_disable(struct clk *clk)
{
Expand All @@ -98,18 +96,15 @@ void clk_disable(struct clk *clk)
__raw_writel(value & ~clk->enable_mask, clk->enable_reg);
}
}
EXPORT_SYMBOL(clk_disable);

unsigned long clk_get_rate(struct clk *clk)
{
return clk->rate;
}
EXPORT_SYMBOL(clk_get_rate);

void clk_put(struct clk *clk)
{
}
EXPORT_SYMBOL(clk_put);



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43 changes: 43 additions & 0 deletions trunk/arch/arm/plat-iop/gpio.c
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Expand Up @@ -11,6 +11,10 @@
*/

#include <linux/device.h>
#include <linux/init.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/gpio.h>
#include <asm/hardware/iop3xx.h>

void gpio_line_config(int line, int direction)
Expand Down Expand Up @@ -46,3 +50,42 @@ void gpio_line_set(int line, int value)
local_irq_restore(flags);
}
EXPORT_SYMBOL(gpio_line_set);

static int iop3xx_gpio_direction_input(struct gpio_chip *chip, unsigned gpio)
{
gpio_line_config(gpio, GPIO_IN);
return 0;
}

static int iop3xx_gpio_direction_output(struct gpio_chip *chip, unsigned gpio, int level)
{
gpio_line_set(gpio, level);
gpio_line_config(gpio, GPIO_OUT);
return 0;
}

static int iop3xx_gpio_get_value(struct gpio_chip *chip, unsigned gpio)
{
return gpio_line_get(gpio);
}

static void iop3xx_gpio_set_value(struct gpio_chip *chip, unsigned gpio, int value)
{
gpio_line_set(gpio, value);
}

static struct gpio_chip iop3xx_chip = {
.label = "iop3xx",
.direction_input = iop3xx_gpio_direction_input,
.get = iop3xx_gpio_get_value,
.direction_output = iop3xx_gpio_direction_output,
.set = iop3xx_gpio_set_value,
.base = 0,
.ngpio = IOP3XX_N_GPIOS,
};

static int __init iop3xx_gpio_setup(void)
{
return gpiochip_add(&iop3xx_chip);
}
arch_initcall(iop3xx_gpio_setup);
6 changes: 6 additions & 0 deletions trunk/include/asm-arm/arch-iop32x/gpio.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
#ifndef __ASM_ARCH_IOP32X_GPIO_H
#define __ASM_ARCH_IOP32X_GPIO_H

#include <asm/hardware/iop3xx-gpio.h>

#endif
6 changes: 6 additions & 0 deletions trunk/include/asm-arm/arch-iop33x/gpio.h
Original file line number Diff line number Diff line change
@@ -0,0 +1,6 @@
#ifndef __ASM_ARCH_IOP33X_GPIO_H
#define __ASM_ARCH_IOP33X_GPIO_H

#include <asm/hardware/iop3xx-gpio.h>

#endif
73 changes: 73 additions & 0 deletions trunk/include/asm-arm/hardware/iop3xx-gpio.h
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@@ -0,0 +1,73 @@
/*
* linux/include/asm-arm/hardware/iop3xx-gpio.h
*
* IOP3xx GPIO wrappers
*
* Copyright (c) 2008 Arnaud Patard <arnaud.patard@rtp-net.org>
* Based on IXP4XX gpio.h file
*
* 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_ARM_HARDWARE_IOP3XX_GPIO_H
#define __ASM_ARM_HARDWARE_IOP3XX_GPIO_H

#include <asm/hardware.h>
#include <asm-generic/gpio.h>

#define IOP3XX_N_GPIOS 8

static inline int gpio_get_value(unsigned gpio)
{
if (gpio > IOP3XX_N_GPIOS)
return __gpio_get_value(gpio);

return gpio_line_get(gpio);
}

static inline void gpio_set_value(unsigned gpio, int value)
{
if (gpio > IOP3XX_N_GPIOS) {
__gpio_set_value(gpio, value);
return;
}
gpio_line_set(gpio, value);
}

static inline int gpio_cansleep(unsigned gpio)
{
if (gpio < IOP3XX_N_GPIOS)
return 0;
else
return __gpio_cansleep(gpio);
}

/*
* The GPIOs are not generating any interrupt
* Note : manuals are not clear about this
*/
static inline int gpio_to_irq(int gpio)
{
return -EINVAL;
}

static inline int irq_to_gpio(int gpio)
{
return -EINVAL;
}

#endif

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