[alsa-devel] [PATCH 1/2] slimbus: ngd: dt-bindings: Add slim ngd dt bindings
Srinivas Kandagatla
srinivas.kandagatla at linaro.org
Wed May 23 19:17:23 CEST 2018
Thanks Rob for review,
On 23/05/18 17:40, Rob Herring wrote:
> On Wed, May 16, 2018 at 05:51:17PM +0100, Srinivas Kandagatla wrote:
>> This patch adds bindings for Qualcomm SLIMBus NGD controller found in
>> all new SoCs starting from B family.
>> SLIMBus NGD controller is a light-weight driver responsible for
>> communicating with SLIMBus slaves directly over the bus using messaging
>> interface and communicating with master component residing on ADSP for
>> bandwidth and data-channel management
>>
>> Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla at linaro.org>
>> ---
>> .../bindings/slimbus/slim-ngd-qcom-ctrl.txt | 70 ++++++++++++++++++++++
>> 1 file changed, 70 insertions(+)
>> create mode 100644 Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt
>>
>> diff --git a/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt b/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt
>> new file mode 100644
>> index 000000000000..c948fb098819
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/slimbus/slim-ngd-qcom-ctrl.txt
>> @@ -0,0 +1,70 @@
>> +Qualcomm SLIMBus Non Generic Device (NGD) Controller binding
>> +
>> +SLIMBus NGD controller is a light-weight driver responsible for communicating
>> +with SLIMBus slaves directly over the bus using messaging interface and
>> +communicating with master component residing on ADSP for bandwidth and
>> +data-channel management
>> +
>> +Please refer to slimbus/bus.txt for details of the common SLIMBus bindings.
>> +
>> +- compatible:
>> + Usage: required
>> + Value type: <stringlist>
>> + Definition: must be "qcom,slim-ngd"
>
> SoC specific compatible needed.
Yes, I will add that in v2.
>
>> +
>> +- reg:
>> + Usage: required
>> + Value type: <prop-encoded-array>
>> + Definition: must specify the base address and size of the controller
>> + register blocks.
>
> blocks? Is there more than one? If so, how many?
Its just one. I will fix the text to reflect this.
>
>> +
>> +- reg-names:
>> + Usage: required
>> + Value type: <stringlist>
>> + Definition: must be "ctrl"
>
> reg-names is pointless when there is only 1.
>
>> +
>> +- qcom,ngd-id
>> + Usage: required
>> + Value type: <u32>
>> + Definition: ngd instance id in the controller
>
> Why do you need this?
I have removed this totally in my next version, which I will be posting
soon.
Thanks,
srini
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