Re: [PATCH v1 3/3] nvmem: dt: document SNVS LPGPR binding

From: Rob Herring
Date: Mon Apr 10 2017 - 14:22:53 EST


On Thu, Apr 06, 2017 at 09:31:07AM +0200, Oleksij Rempel wrote:
> Documenation bindings for the Low Power General Purpose Registe

s/Registe/Register/

> available on i.MX6 SoCs in the Secure Non-Volatile Storage.
>
> Signed-off-by: Oleksij Rempel <o.rempel@xxxxxxxxxxxxxx>
> Cc: Srinivas Kandagatla <srinivas.kandagatla@xxxxxxxxxx>
> Cc: Maxime Ripard <maxime.ripard@xxxxxxxxxxxxxxxxxx>
> Cc: Rob Herring <robh+dt@xxxxxxxxxx>
> Cc: Mark Rutland <mark.rutland@xxxxxxx>
> Cc: devicetree@xxxxxxxxxxxxxxx
> Cc: linux-kernel@xxxxxxxxxxxxxxx
> ---
> Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt | 15 +++++++++++++++
> 1 file changed, 15 insertions(+)
> create mode 100644 Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt
>
> diff --git a/Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt b/Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt
> new file mode 100644
> index 000000000000..9a8be1a2d12e
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/nvmem/snvs-lpgpr.txt
> @@ -0,0 +1,15 @@
> +Device tree bindings for Low Power General Purpose Registe found in i.MX6Q/D
> +Secure Non-Volatile Storage.
> +
> +Required properties:
> +- compatible: should be one of
> + "fsl,imx6q-snvs-lpgpr" (i.MX6Q/D/DL/S).
> +- offset: Should contain the offset relative to syscon parrent node.

typo

+- regmap: Should contain a phandle pointing to syscon.
> +
> +Example:
> + snvs_lpgpr: snvs-lpgpr {
> + compatible = "fsl,imx6q-snvs-lpgpr";
> + regmap = <&snvs>;
> + offset = <0x68>;

Why does this need to be in DT? Is something going to refer to this
node? If not, the &snvs node should be enough information for the OS.

Rob