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

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Date:   Tue, 11 Apr 2017 06:36:14 +0200
From:   Oleksij Rempel <ore@...gutronix.de>
To:     Rob Herring <robh@...nel.org>,
        Oleksij Rempel <o.rempel@...gutronix.de>
Cc:     Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
        Maxime Ripard <maxime.ripard@...e-electrons.com>,
        Mark Rutland <mark.rutland@....com>,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 3/3] nvmem: dt: document SNVS LPGPR binding

Hi,

On 04/10/2017 08:22 PM, Rob Herring wrote:
> 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@...gutronix.de>
>> Cc: Srinivas Kandagatla <srinivas.kandagatla@...aro.org>
>> Cc: Maxime Ripard <maxime.ripard@...e-electrons.com>
>> Cc: Rob Herring <robh+dt@...nel.org>
>> Cc: Mark Rutland <mark.rutland@....com>
>> Cc: devicetree@...r.kernel.org
>> Cc: linux-kernel@...r.kernel.org
>> ---
>>  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

ok.

>  +- 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.

Jes, it is refereed by other driver.

Thank you.