Hi, Fabio,
2011/5/17 Fabio Estevam <[email protected]>:
> Signed-off-by: Fabio Estevam <[email protected]>
> ---
> Changes since v1:
> - iomuxc was accessed directly in v1, so create a iomux struct
> so that we can use io accessors
>
> arch/arm/include/asm/arch-mx5/imx-regs.h | 11 +++++++++++
> 1 files changed, 11 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/include/asm/arch-mx5/imx-regs.h
> b/arch/arm/include/asm/arch-mx5/imx-regs.h
> index d80e0c0..eb690ec 100644
> --- a/arch/arm/include/asm/arch-mx5/imx-regs.h
> +++ b/arch/arm/include/asm/arch-mx5/imx-regs.h
> @@ -273,6 +273,17 @@ struct weim {
> u32 ear;
> };
>
> +struct iomuxc {
> + u32 gpr0;
> + u32 gpr1;
> + u32 gpr2;
> + u32 omux0;
> + u32 omux1;
> + u32 omux2;
> + u32 omux3;
> + u32 omux4;
> +};
I think iomux register does not limited to the above registers and you
defined some unused register
such as IOMUXC_OBSERVE_MUX_0, if you only use gpr, you can just define
iomuxc_gpr etc.
And what's more, mx51 and mx53 has different layout, on i.mx51, the layout is:
IOMUXC_GPR0,
IOMUXC_GPR1,
IOMUXC_OBSERVE_MUX_0,
IOMUXC_OBSERVE_MUX_1,
IOMUXC_OBSERVE_MUX_2,
IOMUXC_OBSERVE_MUX_3,
so, you can't simply put it to the common head file for all the i.mx5 soc.
> +
> /* GPIO Registers */
> struct gpio_regs {
> u32 gpio_dr;
> --
> 1.6.0.4
>
>
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