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Subject: Re: [PATCH v7 05/13] dt-bindings: ddr: add LPDDR3 memories
To:     Rob Herring <robh@kernel.org>
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From:   Lukasz Luba <l.luba@partner.samsung.com>
Message-ID: <8ace8d5a-9cb2-4b41-0ed2-bcb33b349d69@partner.samsung.com>
Date:   Wed, 8 May 2019 10:37:15 +0200
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On 5/7/19 7:00 PM, Rob Herring wrote:
> On Mon, May 06, 2019 at 05:11:53PM +0200, Lukasz Luba wrote:
>> Specifies the AC timing parameters of the LPDDR3 memory device.
>>
>> Signed-off-by: Lukasz Luba <l.luba@partner.samsung.com>
>> ---
>>   .../devicetree/bindings/ddr/lpddr3-timings.txt     | 58 +++++++++++++
>>   Documentation/devicetree/bindings/ddr/lpddr3.txt   | 97 ++++++++++++++++++++++
>>   2 files changed, 155 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/ddr/lpddr3-timings.txt
>>   create mode 100644 Documentation/devicetree/bindings/ddr/lpddr3.txt
>>
>> diff --git a/Documentation/devicetree/bindings/ddr/lpddr3-timings.txt b/Documentation/devicetree/bindings/ddr/lpddr3-timings.txt
>> new file mode 100644
>> index 0000000..3a2ef3a
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/ddr/lpddr3-timings.txt
>> @@ -0,0 +1,58 @@
>> +* AC timing parameters of LPDDR3 memories for a given speed-bin.
>> +
>> +The structures are based on LPDDR2 and extended where needed.
>> +
>> +Required properties:
>> +- compatible : Should be "jedec,lpddr3-timings"
>> +- min-freq : minimum DDR clock frequency for the speed-bin. Type is <u32>
>> +- reg : maximum DDR clock frequency for the speed-bin. Type is <u32>
>> +
>> +Optional properties:
>> +
>> +The following properties represent AC timing parameters from the memory
>> +data-sheet of the device for a given speed-bin. All these properties are
>> +of type <u32> and the default unit is ps (pico seconds).
>> +- tRFC
>> +- tRRD
>> +- tRPab
>> +- tRPpb
>> +- tRCD
>> +- tRC
>> +- tRAS
>> +- tWTR
>> +- tWR
>> +- tRTP
>> +- tW2W-C2C
>> +- tR2R-C2C
>> +- tFAW
>> +- tXSR
>> +- tXP
>> +- tCKE
>> +- tCKESR
>> +- tMRD
>> +
>> +Example:
>> +
>> +timings_samsung_K3QF2F20DB_800mhz: lpddr3-timings@0 {
> 
> Now the unit-address should be @800000000
Added @800000000 to the both files.
> 
> With that and the other example fixed,
> 
> Reviewed-by: Rob Herring <robh@kernel.org>
Thank you.

Regards,
Lukasz