linux-kernel - [PATCH v3 1/4] dt-bindings: Introduce SoC sleep stats bindings

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Message-Id: <1583479412-18320-2-git-send-email-mkshah@codeaurora.org>
Date:   Fri,  6 Mar 2020 12:53:29 +0530
From:   Maulik Shah <mkshah@...eaurora.org>
To:     swboyd@...omium.org, mka@...omium.org, evgreen@...omium.org,
        bjorn.andersson@...aro.org
Cc:     linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        agross@...nel.org, dianders@...omium.org, rnayak@...eaurora.org,
        ilina@...eaurora.org, lsrao@...eaurora.org,
        Mahesh Sivasubramanian <msivasub@...eaurora.org>,
        devicetree@...r.kernel.org, Maulik Shah <mkshah@...eaurora.org>
Subject: [PATCH v3 1/4] dt-bindings: Introduce SoC sleep stats bindings

From: Mahesh Sivasubramanian <msivasub@...eaurora.org>

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@...r.kernel.org
Signed-off-by: Mahesh Sivasubramanian <msivasub@...eaurora.org>
Signed-off-by: Lina Iyer <ilina@...eaurora.org>
Signed-off-by: Maulik Shah <mkshah@...eaurora.org>
Reviewed-by: Rob Herring <robh@...nel.org>
Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
---
 .../bindings/soc/qcom/soc-sleep-stats.yaml         | 46 ++++++++++++++++++++++
 1 file changed, 46 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 00000000..7c29c61
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/soc-sleep-stats.yaml
@@ -0,0 +1,46 @@
+# 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@...eaurora.org>
+  - Lina Iyer <ilina@...eaurora.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-sleep-stats
+      - qcom,rpm-sleep-stats
+
+  reg:
+    maxItems: 1
+
+required:
+  - compatible
+  - reg
+
+examples:
+  # Example of rpmh sleep stats
+  - |
+    rpmh_sleep_stats@...0000 {
+      compatible = "qcom,rpmh-sleep-stats";
+      reg = <0 0xc3f0000 0 0x400>;
+    };
+  # Example of rpm sleep stats
+  - |
+    rpm_sleep_stats@...0000 {
+      compatible = "qcom,rpm-sleep-stats";
+      reg = <0 0x04690000 0 0x400>;
+    };
+...
-- 
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of Code Aurora Forum, hosted by The Linux Foundation