| Message ID | 20211110105922.217895-7-bhupesh.sharma@linaro.org (mailing list archive) |
|---|---|
| State | Not Applicable |
| Headers | show |
| Series | Enable Qualcomm Crypto Engine on sm8150 & sm8250 | expand |
Hi Bhupesh, On 11/10/21 12:59 PM, Bhupesh Sharma wrote: > In some configurations, the BAM DMA controller is set up by a remote > processor and the local processor can simply start making use of it > without setting up the BAM. This is already supported using the > "qcom,controlled-remotely" property. > > However, for some reason another possible configuration is that the > remote processor is responsible for powering up the BAM, but we are > still responsible for initializing it (e.g. resetting it etc). Add > a "qcom,powered-remotely" property to describe that configuration. > > Cc: Thara Gopinath <thara.gopinath@linaro.org> > Cc: Bjorn Andersson <bjorn.andersson@linaro.org> > Cc: Rob Herring <robh+dt@kernel.org> > Signed-off-by: Bhupesh Sharma <bhupesh.sharma@linaro.org> > [moved Stephan's change to the YAML dt-binding format] > Signed-off-by: Stephan Gerhold <stephan@gerhold.net> > --- > Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml > index cfff3a2286fb..bf0a59e8a2bf 100644 > --- a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml > +++ b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml > @@ -73,6 +73,12 @@ properties: > Indicates that the bam is controlled by remote proccessor i.e. > execution environment. > > + qcom,powered-remotely: > + $ref: /schemas/types.yaml#/definitions/flag > + description: > + Indicates that the bam is powered up by a remote processor > + but must be initialized by the local processor. > + > qcom,num-ees: > $ref: /schemas/types.yaml#/definitions/uint32 > minimum: 0 > after rebasing the change on top of master this particular patch won't be needed anymore. See my review comment to v5 03/22. -- Best wishes, Vladimir
diff --git a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml index cfff3a2286fb..bf0a59e8a2bf 100644 --- a/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml +++ b/Documentation/devicetree/bindings/dma/qcom_bam_dma.yaml @@ -73,6 +73,12 @@ properties: Indicates that the bam is controlled by remote proccessor i.e. execution environment. + qcom,powered-remotely: + $ref: /schemas/types.yaml#/definitions/flag + description: + Indicates that the bam is powered up by a remote processor + but must be initialized by the local processor. + qcom,num-ees: $ref: /schemas/types.yaml#/definitions/uint32 minimum: 0