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MIPS: OCTEON: Select ARCH_REQUIRE_GPIOLIB

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... and create asm/mach-cavium-octeon/gpio.h so that things continue
to build.

This allows us to use the existing I2C connected GPIO expanders.

Signed-off-by: David Daney <david.daney@cavium.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org
Cc: linux-mips@linux-mips.org
Cc: linux-kernel@vger.kernel.org
Patchwork: https://patchwork.linux-mips.org/patch/5632/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
David Daney 2013-07-29 14:29:09 -07:00 committed by Ralf Baechle
parent 36b0f79b30
commit 99cab4bb4f
2 changed files with 22 additions and 0 deletions
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1
arch/mips/Kconfig
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@ -732,6 +732,7 @@ config CAVIUM_OCTEON_SOC
select USB_ARCH_HAS_OHCI
select USB_ARCH_HAS_EHCI
select HOLES_IN_ZONE
select ARCH_REQUIRE_GPIOLIB
help
This option supports all of the Octeon reference boards from Cavium
Networks. It builds a kernel that dynamically determines the Octeon

21
arch/mips/include/asm/mach-cavium-octeon/gpio.h Normal file
View file

@ -0,0 +1,21 @@
#ifndef __ASM_MACH_CAVIUM_OCTEON_GPIO_H
#define __ASM_MACH_CAVIUM_OCTEON_GPIO_H
#ifdef CONFIG_GPIOLIB
#define gpio_get_value __gpio_get_value
#define gpio_set_value __gpio_set_value
#define gpio_cansleep __gpio_cansleep
#else
int gpio_request(unsigned gpio, const char *label);
void gpio_free(unsigned gpio);
int gpio_direction_input(unsigned gpio);
int gpio_direction_output(unsigned gpio, int value);
int gpio_get_value(unsigned gpio);
void gpio_set_value(unsigned gpio, int value);
#endif
#include <asm-generic/gpio.h>
#define gpio_to_irq __gpio_to_irq
#endif /* __ASM_MACH_GENERIC_GPIO_H */