On Mon 06 Sep 00:27 CDT 2021, Maulik Shah wrote: > From: Mahesh Sivasubramanian <msivasub@xxxxxxxxxxxxxx> > > Add device binding documentation for Qualcomm Technologies, Inc. (QTI) > SoC sleep stats driver. The driver is used for displaying SoC sleep > statistic maintained by Always On Processor or Resource Power Manager. > > Cc: devicetree@xxxxxxxxxxxxxxx > Signed-off-by: Mahesh Sivasubramanian <msivasub@xxxxxxxxxxxxxx> > Signed-off-by: Lina Iyer <ilina@xxxxxxxxxxxxxx> > Signed-off-by: Maulik Shah <mkshah@xxxxxxxxxxxxxx> > Reviewed-by: Rob Herring <robh@xxxxxxxxxx> > Reviewed-by: Bjorn Andersson <bjorn.andersson@xxxxxxxxxx> > Reviewed-by: Stephen Boyd <swboyd@xxxxxxxxxxxx> > --- > .../bindings/soc/qcom/soc-sleep-stats.yaml | 48 ++++++++++++++++++++++ > 1 file changed, 48 insertions(+) > create mode 100644 Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml > > diff --git a/Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml b/Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml > new file mode 100644 > index 0000000..4161156 > --- /dev/null > +++ b/Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml > @@ -0,0 +1,48 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/soc/qcom/soc-sleep-stats.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Qualcomm Technologies, Inc. (QTI) SoC sleep stats bindings > + > +maintainers: > + - Maulik Shah <mkshah@xxxxxxxxxxxxxx> > + - Lina Iyer <ilina@xxxxxxxxxxxxxx> Lina's address is no longer valid. > + > +description: > + Always On Processor/Resource Power Manager maintains statistics of the SoC > + sleep modes involving powering down of the rails and oscillator clock. > + > + Statistics includes SoC sleep mode type, number of times low power mode were > + entered, time of last entry, time of last exit and accumulated sleep duration. > + > +properties: > + compatible: > + enum: > + - qcom,rpmh-sleep-stats > + - qcom,rpm-sleep-stats > + > + reg: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + > +additionalProperties: false > + > +examples: > + # Example of rpmh sleep stats > + - | > + aop_msgram@c3f0048 { > + compatible = "qcom,rpmh-sleep-stats"; > + reg = <0x0c3f0048 0x400>; As I tested this series I did find it quite odd that the start address of this block is $48 bytes into a page and still the length is an even $400. Is there any single platform where qcom,rpmh-sleep-stats doesn't start at an offset of $48 from the beginning of its msgram? Could we move this number to the driver? Regards, Bjorn > + }; > + # Example of rpm sleep stats > + - | > + rpm_msgram@4690000 { > + compatible = "qcom,rpm-sleep-stats"; > + reg = <0x04690000 0x400>; > + }; > +... > -- > QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member > of Code Aurora Forum, hosted by The Linux Foundation >
