[PATCH v1.0 3/4] EP93XX: Add more register definition

Ryan Mallon ryan at bluewatersys.com
Sun Oct 4 15:33:26 EDT 2009


Christian Gagneraud wrote:
> Add register definition for GPIO A,B,C and D data and data direction,
> Security, Chip ID, ...
> 
> Signed-off-by: Matthieu Crapet <mcrapet at gmail.com>
> Signed-off-by: Christian Gagneraud <cgagneraud at techworks.ie>
> ---
> 
>  arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h |   15 +++++++++++++++
>  1 files changed, 15 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
> index c5216fc..a5f721e 100644
> --- a/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
> +++ b/arch/arm/mach-ep93xx/include/mach/ep93xx-regs.h
> @@ -111,28 +111,42 @@
>  #define EP93XX_I2S_BASE			EP93XX_APB_IOMEM(0x00020000)
>  
>  #define EP93XX_SECURITY_BASE		EP93XX_APB_IOMEM(0x00030000)
> +#define EP93XX_SECURITY_REG(x)		(EP93XX_SECURITY_BASE + (x))
> +#define EP93XX_SECURITY_UNIQID		EP93XX_SECURITY_REG(0x2440)
>  
>  #define EP93XX_GPIO_BASE		EP93XX_APB_IOMEM(0x00040000)
>  #define EP93XX_GPIO_REG(x)		(EP93XX_GPIO_BASE + (x))
> +#define EP93XX_GPIO_A_DATA		EP93XX_GPIO_REG(0x00)
> +#define EP93XX_GPIO_B_DATA		EP93XX_GPIO_REG(0x04)
> +#define EP93XX_GPIO_C_DATA		EP93XX_GPIO_REG(0x08)
> +#define EP93XX_GPIO_D_DATA		EP93XX_GPIO_REG(0x0C)
> +#define EP93XX_GPIO_A_DIR		EP93XX_GPIO_REG(0x10)
> +#define EP93XX_GPIO_B_DIR		EP93XX_GPIO_REG(0x14)
> +#define EP93XX_GPIO_C_DIR		EP93XX_GPIO_REG(0x18)
> +#define EP93XX_GPIO_D_DIR		EP93XX_GPIO_REG(0x1C)

Are these being used for something? EP93xx already has full gpiolib
support, so there should be no need to define these registers.

~Ryan

-- 
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