Re: [PATCH 1/4] rtc: armada38x: Add the device tree binding documentation

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Hi Arnaud,

First, thanks for your extensive review.

On 14/01/2015 00:02, Arnaud Ebalard wrote:
> Hi Gregory,
> 
> Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx> writes:
> 
>> The Armada 38x SoCs come with a new RTC which differs from the one
>> used in the other mvebu SoCs until now. This patch describes the
>> binding of this RTC.
>>
>> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>
>> ---
>>  .../devicetree/bindings/rtc/armada-380-rtc.txt          | 17 +++++++++++++++++
>>  1 file changed, 17 insertions(+)
>>  create mode 100644 Documentation/devicetree/bindings/rtc/armada-380-rtc.txt
>>
>> diff --git a/Documentation/devicetree/bindings/rtc/armada-380-rtc.txt b/Documentation/devicetree/bindings/rtc/armada-380-rtc.txt
>> new file mode 100644
>> index 000000000000..2c56bef9dd7e
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/rtc/armada-380-rtc.txt
>> @@ -0,0 +1,17 @@
>> +* Real Time Clock of te Armada 38x SoCs
>> +
>> +RTC controller for the Armada 38x SoCs
>> +
>> +Required properties:
>> +- compatible : Should be "marvell,armada-380-rtc"
>> +- reg: physical base address of the controller and length of memory mapped
>> +  region. The second entires is for the IP configuration part.
>                         ^^^^^^^
>                         entry
> 
> I had to read probe function to understand precisely the purpose of each
> region, i.e. IMHO the description could be made a bit clearer.

Right, and as suggested by Maxime I will use reg-names

> 
>> +- interrupts: IRQ line for the RTC.
>>
>> +
>> +Example:
>> +
>> +rtc@184a8 {
>> +	compatible = "marvell,armada-380-rtc";
>> +	reg = <0xa3800 0x20>, <0x184a0 0x0c>;
>> +	interrupts = <GIC_SPI 21 IRQ_TYPE_LEVEL_HIGH>;
>> +};


-- 
Gregory Clement, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com
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