[PATCH RESEND v4] spi/pl022: add devicetree support

Rob Herring robherring2 at gmail.com
Tue Aug 21 01:53:35 EST 2012


On 08/20/2012 10:33 AM, Roland Stigge wrote:
> On 08/20/2012 04:22 PM, Rob Herring wrote:
>>>  .../devicetree/bindings/spi/spi_pl022.txt          |   15 +++
>>>  drivers/spi/spi-pl022.c                            |  114 ++++++++++++++++----
>>>  2 files changed, 110 insertions(+), 19 deletions(-)
>>>
>>> diff --git a/Documentation/devicetree/bindings/spi/spi_pl022.txt b/Documentation/devicetree/bindings/spi/spi_pl022.txt
>>> index 306ec3f..b089ec7 100644
>>> --- a/Documentation/devicetree/bindings/spi/spi_pl022.txt
>>> +++ b/Documentation/devicetree/bindings/spi/spi_pl022.txt
>>> @@ -6,7 +6,22 @@ Required properties:
>>>  - interrupts : Should contain SPI controller interrupt
>>>  
>>>  Optional properties:
>>> +- pl022,num-chipselects : total number of chipselects
>>
>> We have this for other spi controllers too. Define a generic property.
> 
> Currently, we have:
> 
> num-cs
> ti,spi-num-cs
> fsl,spi-num-chipselects
> fsl,espi-num-chipselects
> (pl022,num-chipselects)
> 
> Would "num-cs" be the right one to use?

Well, it is either that or invent something new, so I think num-cs is fine.

Rob


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