Re: [PATCH 1/3] dt/bindings: arm-pl330: add description of arm,pl330-periph-burst

From: Lars-Peter Clausen
Date: Tue Aug 09 2016 - 04:40:02 EST


On 08/05/2016 09:25 AM, Shawn Lin wrote:
> Hi Vinod,
>
> å 2016/8/5 11:34, Vinod Koul åé:
>> On Fri, Aug 05, 2016 at 10:53:20AM +0800, Shawn Lin wrote:
>>> This patch adds the "arm,pl330-periph-burst" for arm-pl330 to
>>> support busrt mode.
>>
>> why should this be DT property. Only reason I can think of if some hw
>> versions support this and some won't.
>
> yes, if we want to support burst mode, both of the master(pl330) and
> client(several peripherals) should implement it, otherwise it will
> be broken when enabling.

As you said, it is up to the consumer peripheral whether it supports BURST,
SINGLE or both. So this is a per client property, but you specify this as a
a global property on the producer side.