From 4a5510e6e6f069ed922fe020302239c4208ba647 Mon Sep 17 00:00:00 2001 From: Jingchang Lu Date: Mon, 2 Jul 2012 17:22:51 +0800 Subject: Add GPIO support for Vybrid platform Signed-off-by: TsiChung Liew --- arch/arm/include/asm/arch-vybrid/gpio.h | 35 +++++++++++++++++++ drivers/gpio/Makefile | 1 + drivers/gpio/vybrid_gpio.c | 60 +++++++++++++++++++++++++++++++++ 3 files changed, 96 insertions(+) create mode 100644 arch/arm/include/asm/arch-vybrid/gpio.h create mode 100644 drivers/gpio/vybrid_gpio.c diff --git a/arch/arm/include/asm/arch-vybrid/gpio.h b/arch/arm/include/asm/arch-vybrid/gpio.h new file mode 100644 index 0000000000..d5d307b3ad --- /dev/null +++ b/arch/arm/include/asm/arch-vybrid/gpio.h @@ -0,0 +1,35 @@ +/* + * Copyright (C) 2011 + * Stefano Babic, DENX Software Engineering, + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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_ARCH_VYBRID_GPIO_H +#define __ASM_ARCH_VYBRID_GPIO_H + +/* GPIO registers */ +struct gpio_regs { + u32 gpio_dr; + u32 gpio_dir; + u32 gpio_psr; +}; + +#endif diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile index fb3b09ae74..f9b50e46c6 100644 --- a/drivers/gpio/Makefile +++ b/drivers/gpio/Makefile @@ -39,6 +39,7 @@ COBJS-$(CONFIG_TEGRA2_GPIO) += tegra2_gpio.o COBJS-$(CONFIG_DA8XX_GPIO) += da8xx_gpio.o COBJS-$(CONFIG_ALTERA_PIO) += altera_pio.o COBJS-$(CONFIG_MPC83XX_GPIO) += mpc83xx_gpio.o +COBJS-$(CONFIG_VYBRID_GPIO) += vybrid_gpio.o COBJS := $(COBJS-y) SRCS := $(COBJS:.o=.c) diff --git a/drivers/gpio/vybrid_gpio.c b/drivers/gpio/vybrid_gpio.c new file mode 100644 index 0000000000..5d5a550b54 --- /dev/null +++ b/drivers/gpio/vybrid_gpio.c @@ -0,0 +1,60 @@ +/* + * Copyright (C) 2009 + * Guennadi Liakhovetski, DENX Software Engineering, + * + * Copyright (C) 2011 + * Stefano Babic, DENX Software Engineering, + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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 + */ +#include +#include +#include +#include +#include + +int gpio_set_value(unsigned gpio, int value) +{ + return 0; +} + +int gpio_get_value(unsigned gpio) +{ + return 0; +} + +int gpio_request(unsigned gpio, const char *label) +{ + return 0; +} + +int gpio_free(unsigned gpio) +{ + return 0; +} + +int gpio_direction_input(unsigned gpio) +{ + return 0; +} + +int gpio_direction_output(unsigned gpio, int value) +{ + return 0; +} -- cgit v1.2.3