From 849369d6c66d3054688672f97d31fceb8e8230fb Mon Sep 17 00:00:00 2001 From: root Date: Fri, 25 Dec 2015 04:40:36 +0000 Subject: initial_commit --- arch/arm/include/asm/hardware/iop3xx-gpio.h | 73 +++++++++++++++++++++++++++++ 1 file changed, 73 insertions(+) create mode 100644 arch/arm/include/asm/hardware/iop3xx-gpio.h (limited to 'arch/arm/include/asm/hardware/iop3xx-gpio.h') diff --git a/arch/arm/include/asm/hardware/iop3xx-gpio.h b/arch/arm/include/asm/hardware/iop3xx-gpio.h new file mode 100644 index 00000000..b69d972b --- /dev/null +++ b/arch/arm/include/asm/hardware/iop3xx-gpio.h @@ -0,0 +1,73 @@ +/* + * arch/arm/include/asm/hardware/iop3xx-gpio.h + * + * IOP3xx GPIO wrappers + * + * Copyright (c) 2008 Arnaud Patard + * 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 +#include + +#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 + -- cgit v1.2.3