Re: [PATCH v3 04/20] ARM: sun8i: dt: Add DT bindings documentation for Allwinner syscon
From: Maxime Ripard
Date: Mon Apr 03 2017 - 07:20:01 EST
On Mon, Apr 03, 2017 at 11:14:28AM +0200, Corentin Labbe wrote:
> Signed-off-by: Corentin Labbe <clabbe.montjoie@xxxxxxxxx>
> ---
> .../devicetree/bindings/misc/allwinner,syscon.txt | 19 +++++++++++++++++++
> 1 file changed, 19 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/misc/allwinner,syscon.txt
>
> diff --git a/Documentation/devicetree/bindings/misc/allwinner,syscon.txt b/Documentation/devicetree/bindings/misc/allwinner,syscon.txt
> new file mode 100644
> index 0000000..9f5f1f5
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/misc/allwinner,syscon.txt
> @@ -0,0 +1,19 @@
> +* Allwinner sun8i system controller
> +
> +This file describes the bindings for the system controller present in
> +Allwinner SoC H3, A83T and A64.
> +The principal function of this syscon is to control EMAC PHY choice and
> +config.
> +
> +Required properties for the system controller:
> +- reg: address and length of the register for the device.
> +- compatible: should be "syscon" and one of the following string:
> + "allwinner,sun8i-h3-system-controller"
> + "allwinner,sun8i-a64-system-controller"
> + "allwinner,sun8i-a83t-system-controller"
> +
> +Example:
> +syscon: syscon@01c00000 {
> + compatible = "syscon", "allwinner,sun8i-h3-system-controller";
The syntax is the more specific first, so your compatibles should be
the other way around.
Maxime
--
Maxime Ripard, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com
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