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author | Linus Walleij <linus.walleij@linaro.org> | 2011-08-22 08:44:18 +0100 |
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committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2011-08-22 09:13:21 +0100 |
commit | 87f911a38d7964b50b3be20da5c06fab69a90576 (patch) | |
tree | aca8dcfc626086deceefb8e81156f20c57eca777 /arch/arm/mach-ixp2000/include/mach/gpio.h | |
parent | 257af9f9725aa8a863b306659208a031135d59e7 (diff) | |
download | linux-87f911a38d7964b50b3be20da5c06fab69a90576.tar.gz linux-87f911a38d7964b50b3be20da5c06fab69a90576.tar.bz2 linux-87f911a38d7964b50b3be20da5c06fab69a90576.zip |
ARM: 7043/1: mach-ixp2000: rename GPIO header
The ixp2000 abuses the <mach/gpio.h> namespace by not implementing
any generic GPIO nor gpiolib functions in it - just custom GPIO.
Rename the header to <mach/gpio-ixp2000.h> for clarity.
Cc: Lennert Buytenhek <kernel@wantstofly.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/mach-ixp2000/include/mach/gpio.h')
-rw-r--r-- | arch/arm/mach-ixp2000/include/mach/gpio.h | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/arch/arm/mach-ixp2000/include/mach/gpio.h b/arch/arm/mach-ixp2000/include/mach/gpio.h deleted file mode 100644 index 4a88d2c33dac..000000000000 --- a/arch/arm/mach-ixp2000/include/mach/gpio.h +++ /dev/null @@ -1,48 +0,0 @@ -/* - * arch/arm/mach-ixp2000/include/mach/gpio.h - * - * Copyright (C) 2002 Intel Corporation. - * - * 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. - */ - -/* - * IXP2000 GPIO in/out, edge/level detection for IRQs: - * IRQs are generated on Falling-edge, Rising-Edge, Level-low, Level-High - * or both Falling-edge and Rising-edge. - * This must be called *before* the corresponding IRQ is registerd. - * Use this instead of directly setting the GPIO registers. - * GPIOs may also be used as GPIOs (e.g. for emulating i2c/smb) - */ -#ifndef __ASM_ARCH_GPIO_H -#define __ASM_ARCH_GPIO_H - -#ifndef __ASSEMBLY__ - -#define GPIO_IN 0 -#define GPIO_OUT 1 - -#define IXP2000_GPIO_LOW 0 -#define IXP2000_GPIO_HIGH 1 - -extern void gpio_line_config(int line, int direction); - -static inline int gpio_line_get(int line) -{ - return (((*IXP2000_GPIO_PLR) >> line) & 1); -} - -static inline void gpio_line_set(int line, int value) -{ - if (value == IXP2000_GPIO_HIGH) { - ixp2000_reg_write(IXP2000_GPIO_POSR, 1 << line); - } else if (value == IXP2000_GPIO_LOW) { - ixp2000_reg_write(IXP2000_GPIO_POCR, 1 << line); - } -} - -#endif /* !__ASSEMBLY__ */ - -#endif /* ASM_ARCH_IXP2000_GPIO_H_ */ |