From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jonas Bonn Subject: [PATCH v3 13/19] OpenRISC: GPIO Date: Sun, 17 Jul 2011 17:08:23 +0200 Message-ID: References: Return-path: In-Reply-To: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: Jonas Bonn List-Id: linux-arch.vger.kernel.org Signed-off-by: Jonas Bonn Reviewed-by: Arnd Bergmann --- arch/openrisc/include/asm/gpio.h | 65 ++++++++++++++++++++++++++++++++++++++ 1 files changed, 65 insertions(+), 0 deletions(-) create mode 100644 arch/openrisc/include/asm/gpio.h diff --git a/arch/openrisc/include/asm/gpio.h b/arch/openrisc/include/asm/gpio.h new file mode 100644 index 0000000..0b0d174 --- /dev/null +++ b/arch/openrisc/include/asm/gpio.h @@ -0,0 +1,65 @@ +/* + * OpenRISC Linux + * + * Linux architectural port borrowing liberally from similar works of + * others. All original copyrights apply as per the original source + * declaration. + * + * OpenRISC implementation: + * Copyright (C) 2003 Matjaz Breskvar + * Copyright (C) 2010-2011 Jonas Bonn + * et al. + * + * 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. + */ + +#ifndef __ASM_OPENRISC_GPIO_H +#define __ASM_OPENRISC_GPIO_H + +#include +#include + +#ifdef CONFIG_GPIOLIB + +/* + * OpenRISC (or1k) does not have on-chip GPIO's so there is not really + * any standardized implementation that makes sense here. If passing + * through gpiolib becomes a bottleneck then it may make sense, on a + * case-by-case basis, to implement these inlined/rapid versions. + * + * Just call gpiolib. + */ +static inline int gpio_get_value(unsigned int gpio) +{ + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned int gpio, int value) +{ + __gpio_set_value(gpio, value); +} + +static inline int gpio_cansleep(unsigned int gpio) +{ + return __gpio_cansleep(gpio); +} + +/* + * Not implemented, yet. + */ +static inline int gpio_to_irq(unsigned int gpio) +{ + return -ENOSYS; +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return -EINVAL; +} + +#endif /* CONFIG_GPIOLIB */ + +#endif /* __ASM_OPENRISC_GPIO_H */ -- 1.7.4.1 From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail.southpole.se ([193.12.106.18]:34899 "EHLO mail.southpole.se" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756076Ab1GQPJk (ORCPT ); Sun, 17 Jul 2011 11:09:40 -0400 From: Jonas Bonn Subject: [PATCH v3 13/19] OpenRISC: GPIO Date: Sun, 17 Jul 2011 17:08:23 +0200 Message-ID: In-Reply-To: References: In-Reply-To: References: Sender: linux-arch-owner@vger.kernel.org List-ID: To: linux-kernel@vger.kernel.org, linux-arch@vger.kernel.org Cc: Jonas Bonn Message-ID: <20110717150823.YLOWm8pIOzH9ZoZokhy2ShipJlCSJqnEIut29kIJM3M@z> Signed-off-by: Jonas Bonn Reviewed-by: Arnd Bergmann --- arch/openrisc/include/asm/gpio.h | 65 ++++++++++++++++++++++++++++++++++++++ 1 files changed, 65 insertions(+), 0 deletions(-) create mode 100644 arch/openrisc/include/asm/gpio.h diff --git a/arch/openrisc/include/asm/gpio.h b/arch/openrisc/include/asm/gpio.h new file mode 100644 index 0000000..0b0d174 --- /dev/null +++ b/arch/openrisc/include/asm/gpio.h @@ -0,0 +1,65 @@ +/* + * OpenRISC Linux + * + * Linux architectural port borrowing liberally from similar works of + * others. All original copyrights apply as per the original source + * declaration. + * + * OpenRISC implementation: + * Copyright (C) 2003 Matjaz Breskvar + * Copyright (C) 2010-2011 Jonas Bonn + * et al. + * + * 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. + */ + +#ifndef __ASM_OPENRISC_GPIO_H +#define __ASM_OPENRISC_GPIO_H + +#include +#include + +#ifdef CONFIG_GPIOLIB + +/* + * OpenRISC (or1k) does not have on-chip GPIO's so there is not really + * any standardized implementation that makes sense here. If passing + * through gpiolib becomes a bottleneck then it may make sense, on a + * case-by-case basis, to implement these inlined/rapid versions. + * + * Just call gpiolib. + */ +static inline int gpio_get_value(unsigned int gpio) +{ + return __gpio_get_value(gpio); +} + +static inline void gpio_set_value(unsigned int gpio, int value) +{ + __gpio_set_value(gpio, value); +} + +static inline int gpio_cansleep(unsigned int gpio) +{ + return __gpio_cansleep(gpio); +} + +/* + * Not implemented, yet. + */ +static inline int gpio_to_irq(unsigned int gpio) +{ + return -ENOSYS; +} + +static inline int irq_to_gpio(unsigned int irq) +{ + return -EINVAL; +} + +#endif /* CONFIG_GPIOLIB */ + +#endif /* __ASM_OPENRISC_GPIO_H */ -- 1.7.4.1