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[PATCH v12 1/5] dt-bindings: Introduce QCOM Sleep stats bindings

From: Maulik Shah <hidden>
Date: 2021-10-13 06:38:53
Also in: linux-arm-msm, lkml
Subsystem: arm/qualcomm mailing list, arm/qualcomm support, open firmware and flattened device tree bindings, the rest · Maintainers: Bjorn Andersson, Konrad Dybcio, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds

From: Mahesh Sivasubramanian <redacted>

Add device binding documentation for Qualcomm Technologies, Inc. (QTI)
Sleep stats driver. The driver is used for displaying Sleep statistic maintained
by Always On Processor or Resource Power Manager.

Cc: devicetree@vger.kernel.org
Signed-off-by: Mahesh Sivasubramanian <redacted>
Signed-off-by: Lina Iyer <redacted>
Signed-off-by: Maulik Shah <redacted>
Reviewed-by: Rob Herring <robh@kernel.org>
Reviewed-by: Bjorn Andersson <redacted>
Reviewed-by: Stephen Boyd <redacted>
---
 .../devicetree/bindings/soc/qcom/qcom-stats.yaml   | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml
diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml
new file mode 100644
index 0000000..99dff7d
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom-stats.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. (QTI) Stats bindings
+
+maintainers:
+  - Maulik Shah <mkshah@codeaurora.org>
+
+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-stats
+      - qcom,rpm-stats
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+additionalProperties: false
+
+examples:
+  # Example of rpmh sleep stats
+  - |
+    sram@c3f0000 {
+      compatible = "qcom,rpmh-stats";
+      reg = <0x0c3f0000 0x400>;
+    };
+  # Example of rpm sleep stats
+  - |
+    sram@4690000 {
+      compatible = "qcom,rpm-stats";
+      reg = <0x04690000 0x10000>;
+    };
+...
-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member
of Code Aurora Forum, hosted by The Linux Foundation
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