Hi
2009/2/4 Guennadi Liakhovetski <l...@denx.de>:
> 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 <l...@denx.de>
> ---
>
> Jean-Christophe: also an ack from you, please.
>
> drivers/gpio/Makefile | 3 +-
> drivers/gpio/mx31_gpio.c | 71
> ++++++++++++++++++++++++++++++++++++++
> include/asm-arm/arch-mx31/mx31.h | 9 +++++
> 3 files changed, 82 insertions(+), 1 deletions(-)
> create mode 100644 drivers/gpio/mx31_gpio.c
>
> diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
> index dd618ed..ce049e4 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-$(CONFIG_PCA953X) += pca953x.o
> +COBJS-$(CONFIG_MX31_GPIO) += mx31_gpio.o
Might want to sort these in alphabetically order.
...
> diff --git a/include/asm-arm/arch-mx31/mx31.h
> b/include/asm-arm/arch-mx31/mx31.h
> index 0552c27..fb8d8c0 100644
> --- a/include/asm-arm/arch-mx31/mx31.h
> +++ b/include/asm-arm/arch-mx31/mx31.h
> @@ -27,4 +27,13 @@
> extern u32 mx31_get_ipg_clk(void);
> extern void mx31_gpio_mux(unsigned long mode);
'extern' is not needed here. Some header files seems to have extern
while some don't.
>
> +enum mx31_gpio_direction {
> + MX31_GPIO_DIRECTION_IN,
> + MX31_GPIO_DIRECTION_OUT,
> +};
> +
> +extern void mx31_gpio_direction(unsigned int gpio,
> + enum mx31_gpio_direction direction);
> +extern void mx31_gpio_set(unsigned int gpio, unsigned int value);
'extern' is not needed here.
Regards, Magnus
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