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

Commit Message

Maulik Shah Oct. 13, 2021, 6:38 a.m. UTC

From: Mahesh Sivasubramanian <[e-mail]>

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: [e-mail]
Signed-off-by: Mahesh Sivasubramanian <[e-mail]>
Signed-off-by: Lina Iyer <[e-mail]>
Signed-off-by: Maulik Shah <[e-mail]>
Reviewed-by: Rob Herring <[e-mail]>
Reviewed-by: Bjorn Andersson <[e-mail]>
Reviewed-by: Stephen Boyd <[e-mail]>
---
 .../devicetree/bindings/soc/qcom/qcom-stats.yaml   | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom-stats.yaml

Patch

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 <[e-mail]>
+
+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>;
+    };
+...