On Tue, 2015-07-07 at 17:47 +0800, Dongsheng Wang wrote:
> From: Wang Dongsheng <dongsheng.wang@xxxxxxxxxxxxx>
>
> SCFG provides SoC specific configuration and status registers for
> the chip. Add this for powerpc platform.
>
> Signed-off-by: Wang Dongsheng <dongsheng.wang@xxxxxxxxxxxxx>
>
> diff --git a/Documentation/devicetree/bindings/powerpc/fsl/board.txt
> b/Documentation/devicetree/bindings/powerpc/fsl/board.txt
> index cff38bd..55604fe 100644
> --- a/Documentation/devicetree/bindings/powerpc/fsl/board.txt
> +++ b/Documentation/devicetree/bindings/powerpc/fsl/board.txt
> @@ -3,6 +3,25 @@ Freescale Reference Board Bindings
> This document describes device tree bindings for various devices that
> exist on some Freescale reference boards.
>
> +* Supplement configuration unit (SCFG)
> +
> +SCFG is the supplemental configuration unit, that provides SoC specific
> +configuration and status registers for the chip. Such as getting PEX port
> +status.
> +
> +Required properties:
> +
> +- compatible: should be "fsl,<board>-scfg"
fsl,<chip>-scfg
> +- reg: should contain base address and length of SCFG memory-mapped
> +registers
> +
> +Example:
> +
> + scfg: global-utilities@fc000{
> + compatible = "fsl,t1040-scfg";
> + reg = <0xfc000 0x1000>;
> + };
> +
I don't think board.txt is the right place for this, since it's part of the
SoC, not the board. Put it in its own file.
-Scott
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