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SubjectRe: [PATCH 8/9] arm64: dts: qcom: sc7280: Add AOSS QMP node
On 2021-03-23 09:08, Stephen Boyd wrote:
> Quoting Sibi Sankar (2021-03-08 21:58:21)
>> On 2021-02-27 19:26, Sai Prakash Ranjan wrote:
>> > On 2021-02-27 00:16, Stephen Boyd wrote:
>> >> Quoting Sai Prakash Ranjan (2021-02-25 23:51:00)
>> >>> On 2021-02-26 01:11, Stephen Boyd wrote:
>> >>> > Quoting Sai Prakash Ranjan (2021-02-25 01:30:24)
>> >>> >> Add a DT node for the AOSS QMP on SC7280 SoC.
>> >>> >>
>> >>> >> Signed-off-by: Sai Prakash Ranjan <saiprakash.ranjan@codeaurora.org>
>> >>> >> ---
>> >>> >> arch/arm64/boot/dts/qcom/sc7280.dtsi | 14 ++++++++++++++
>> >>> >> 1 file changed, 14 insertions(+)
>> >>> >>
>> >>> >> diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> >>> >> b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> >>> >> index 65c1e0f2fb56..cbd567ccc04e 100644
>> >>> >> --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> >>> >> +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi
>> >>> >> @@ -9,6 +9,7 @@
>> >>> >> #include <dt-bindings/clock/qcom,rpmh.h>
>> >>> >> #include <dt-bindings/interrupt-controller/arm-gic.h>
>> >>> >> #include <dt-bindings/mailbox/qcom-ipcc.h>
>> >>> >> +#include <dt-bindings/power/qcom-aoss-qmp.h>
>> >>> >> #include <dt-bindings/soc/qcom,rpmh-rsc.h>
>> >>> >>
>> >>> >> / {
>> >>> >> @@ -368,6 +369,19 @@ pdc: interrupt-controller@b220000 {
>> >>> >> interrupt-controller;
>> >>> >> };
>> >>> >>
>> >>> >> + aoss_qmp: qmp@c300000 {
>> >>> >
>> >>> > power-domain-controller@c300000? power-controller@c300000?
>> >>> >
>> >>>
>> >>> Its an AOSS message RAM and all other SM* SoCs have as qmp@
>> >>> and the dt binding as well, I see only SM8150 with power-controller,
>> >>> that should probably be fixed?
>> >>
>> >> Node name should be generic while still being meaningful. Nobody knows
>> >> what qmp is, but power-controller makes sense. Can you fix this and
>> >> the
>> >> others to be power-controller?
>> >>
>>
>> we probably would be changing them back
>> to qmp or something more generic soon
>> since the consensus was qmp wasn't a
>> power-controller. So not sure if its
>> worth the effort here.
>>
>
> Hmm alright. Maybe mailbox? qmp is not generic. What does it stand for?
> qualcomm messaging protocol?

It's documented as ^^ in the git log
but I guess it should be called qualcomm
mailbox protocol instead. I don't think
it can be called mailbox since it doesn't
have mbox cells in its bindings.

--
Qualcomm Innovation Center, Inc. is a member of Code Aurora Forum,
a Linux Foundation Collaborative Project.

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