[alsa-devel] [PATCH 1/2] slimbus: ngd: dt-bindings: Add slim ngd dt bindings

[Rob Herring]

On Wed, May 23, 2018 at 1:11 PM, Srinivas Kandagatla
<srinivas.kandagatla at linaro.org> wrote:
>
>
> On 23/05/18 17:40, Rob Herring wrote:
>>>
>>> +
>>> +- qcom,ngd-id
>>> +       Usage: required
>>> +       Value type: <u32>
>>> +       Definition: ngd instance id in the controller
>>
>> Why do you need this?
>>
> Please ignore my comment from previous reply.
>
> There are more than one instances of ngd in this slim controller.
> We need this to make sure we are programming the correct one.

Doesn't the parent-child relationship of devices on the bus provide
that? If you mean to provide consistent numbering to userspace, then
that's not a DT problem (nor one that Linux plans to solve).

> We also need this instance ID during powering it up using QMI.

Wouldn't that be a QMI ID?

Rob