linux-kernel - [PATCH v11 1/5] dt-bindings: Introduce QCOM Sleep stats bindings

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Message-Id: <1633600649-7164-2-git-send-email-mkshah@codeaurora.org>
Date:   Thu,  7 Oct 2021 15:27:25 +0530
From:   Maulik Shah <mkshah@...eaurora.org>
To:     swboyd@...omium.org, mka@...omium.org, evgreen@...omium.org,
        bjorn.andersson@...aro.org
Cc:     linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        agross@...nel.org, dianders@...omium.org, linux@...ck-us.net,
        rnayak@...eaurora.org, lsrao@...eaurora.org,
        Mahesh Sivasubramanian <msivasub@...eaurora.org>,
        devicetree@...r.kernel.org, Lina Iyer <ilina@...eaurora.org>,
        Maulik Shah <mkshah@...eaurora.org>
Subject: [PATCH v11 1/5] dt-bindings: Introduce QCOM Sleep stats bindings

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

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@...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>
Reviewed-by: Stephen Boyd <swboyd@...omium.org>
---
 .../bindings/soc/qcom/qcom-sleep-stats.yaml        | 47 ++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom-sleep-stats.yaml

diff --git a/Documentation/devicetree/bindings/soc/qcom/qcom-sleep-stats.yaml b/Documentation/devicetree/bindings/soc/qcom/qcom-sleep-stats.yaml
new file mode 100644
index 0000000..5213daf
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/qcom-sleep-stats.yaml
@@ -0,0 +1,47 @@
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/soc/qcom/qcom-sleep-stats.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Qualcomm Technologies, Inc. (QTI) Sleep stats bindings
+
+maintainers:
+  - Maulik Shah <mkshah@...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
+
+additionalProperties: false
+
+examples:
+  # Example of rpmh sleep stats
+  - |
+    sram@...0000 {
+      compatible = "qcom,rpmh-sleep-stats";
+      reg = <0x0c3f0000 0x400>;
+    };
+  # Example of rpm sleep stats
+  - |
+    sram@...0000 {
+      compatible = "qcom,rpm-sleep-stats";
+      reg = <0x04690000 0x400>;
+    };
+...
-- 
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