Messages in this thread | | | From | Rob Herring <> | Date | Wed, 23 May 2018 14:28:53 -0500 | Subject | Re: [PATCH 1/2] slimbus: ngd: dt-bindings: Add slim ngd dt bindings |
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On Wed, May 23, 2018 at 1:11 PM, Srinivas Kandagatla <srinivas.kandagatla@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
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