[U-Boot] [PATCH 2/9 v3] i.MX31: add a simple gpio driver
Jean-Christophe PLAGNIOL-VILLARD
plagnioj at jcrosoft.com
Fri Feb 6 22:27:19 CET 2009
On 10:37 Fri 06 Feb , Guennadi Liakhovetski wrote:
> This is a minimal driver, so far only managing output. It will
> be used by the mxc_spi.c driver.
>
> Signed-off-by: Guennadi Liakhovetski <lg at denx.de>
> ---
>
> Changes since v1: alphabetical order, typo in copyright fixed, use
> ARRAY_SIZE.
> Changes since v2: fixed wrong indentation in int mx31_gpio_direction()
> declaration.
>
> drivers/gpio/Makefile | 3 +-
> drivers/gpio/mx31_gpio.c | 73 ++++++++++++++++++++++++++++++++++++++
> include/asm-arm/arch-mx31/mx31.h | 20 ++++++++++
> 3 files changed, 95 insertions(+), 1 deletions(-)
> create mode 100644 drivers/gpio/mx31_gpio.c
>
> diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
> index dd618ed..f10144f 100644
> --- a/drivers/gpio/Makefile
> +++ b/drivers/gpio/Makefile
> @@ -25,7 +25,8 @@ include $(TOPDIR)/config.mk
>
> LIB := $(obj)libgpio.a
>
> -COBJS-$(CONFIG_PCA953X) += pca953x.o
> +COBJS-$(CONFIG_MX31_GPIO) += mx31_gpio.o
> +COBJS-$(CONFIG_PCA953X) += pca953x.o
>
> COBJS := $(COBJS-y)
> SRCS := $(COBJS:.o=.c)
> diff --git a/drivers/gpio/mx31_gpio.c b/drivers/gpio/mx31_gpio.c
> new file mode 100644
> index 0000000..166deaf
> --- /dev/null
> +++ b/drivers/gpio/mx31_gpio.c
> @@ -0,0 +1,73 @@
> +/*
> + * Copyright (C) 2009
> + * Guennadi Liakhovetski, DENX Software Engineering, <lg at denx.de>
> + *
> + * 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 <common.h>
> +#include <asm/arch/mx31.h>
> +#include <asm/arch/mx31-regs.h>
> +
> +/* GPIO port description */
> +static unsigned long gpio_ports[] = {
> + [0] = 0x53fcc000,
> + [1] = 0x53fd0000,
> + [2] = 0x53fa4000,
> +};
I'll add qong patch before yours
please fix it
Best Regards,
J.
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