Re: [PATCH 1/3] ARM: at91: Add Special Function Registers binding documentation

From: Boris Brezillon
Date: Thu Nov 13 2014 - 04:48:17 EST


On Mon, 10 Nov 2014 16:14:29 +0100
Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx> wrote:

> The special function registers gather some registers that allow to tweak
> features provided by IPs controlled through another register range.
>
> Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>

Once you've fixed your dtsi you can add my

Acked-by: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxxxxxxx>

on the whole series.

> ---
> Documentation/devicetree/bindings/arm/atmel-at91.txt | 17 +++++++++++++++++
> 1 file changed, 17 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/arm/atmel-at91.txt b/Documentation/devicetree/bindings/arm/atmel-at91.txt
> index 562cda9d86d9..a6427de45785 100644
> --- a/Documentation/devicetree/bindings/arm/atmel-at91.txt
> +++ b/Documentation/devicetree/bindings/arm/atmel-at91.txt
> @@ -136,3 +136,20 @@ Example:
> compatible = "atmel,at91sam9260-rstc";
> reg = <0xfffffd00 0x10>;
> };
> +
> +Special Function Registers (SFR)
> +
> +Special Function Registers (SFR) manage specific aspects of the integrated
> +memory, bridge implementations, processor and other functionality not controlled
> +elsewhere.
> +
> +required properties:
> +- compatible: Should be "atmel,<chip>-sfr", "syscon".
> + <chip> can be "at91sam9260", "at91sam9rl" or "at91sam9x5".
> +- reg: Should contain registers location and length
> +
> + sfr@f0038000 {
> + compatible = "atmel,sama5d3-sfr", "syscon";
> + reg = <0xf0038000 0x4000>;
> + };
> +



--
Boris Brezillon, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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