linux-kernel - [PATCH RFC 2/6] dt-bindings: introduce System PM bindings for Qualcomm SoCs

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Message-Id: <1535141188-29731-3-git-send-email-rplsssn@codeaurora.org>
Date:   Sat, 25 Aug 2018 01:36:24 +0530
From:   "Raju P.L.S.S.S.N" <rplsssn@...eaurora.org>
To:     andy.gross@...aro.org, david.brown@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-soc@...r.kernel.org,
        linux-pm@...r.kernel.org
Cc:     rnayak@...eaurora.org, bjorn.andersson@...aro.org,
        linux-kernel@...r.kernel.org, lorenzo.pieralisi@....com,
        rafael@...nel.org, drake@...lessm.com, sboyd@...nel.org,
        evgreen@...omium.org, dianders@...omium.org, mka@...omium.org,
        ilina@...eaurora.org, "Raju P.L.S.S.S.N" <rplsssn@...eaurora.org>,
        devicetree@...r.kernel.org
Subject: [PATCH RFC 2/6] dt-bindings: introduce System PM bindings for Qualcomm SoCs

Add device binding documentation for Qualcomm Technology Inc's System PM
driver. The driver is used for managing system sleep activities that are
required when application processor is going to deepest low power mode.

Cc: devicetree@...r.kernel.org
Signed-off-by: Raju P.L.S.S.S.N <rplsssn@...eaurora.org>
---
 .../devicetree/bindings/soc/qcom/system_pm.txt     | 28 ++++++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/soc/qcom/system_pm.txt

diff --git a/Documentation/devicetree/bindings/soc/qcom/system_pm.txt b/Documentation/devicetree/bindings/soc/qcom/system_pm.txt
new file mode 100644
index 0000000..0915760
--- /dev/null
+++ b/Documentation/devicetree/bindings/soc/qcom/system_pm.txt
@@ -0,0 +1,28 @@
+System PM
+---------
+
+System PM device handles the tasks that need to be performed during application
+processor deeper low power mode entry for QCOM SoCs which have hardened IP blocks
+combinedly called as RPMH (Resource Power Manager Hardened) for shared resource
+management. System PM is a client of APPS_RSC. Flushing the buffered requests to
+TCSs in RSC and programming the wakeup timer in PDC for timer based wakeup are
+handled by this device.
+
+The bindings for System PM is specified in the RSC section in devicetree.
+
+Properties:
+- compatible:
+	Usage: required
+	Value type: <string>
+	Definition: must be "qcom,system-pm".
+
+Example:
+
+	apps_rsc: rsc@...c0000 {
+		[...]
+		system_pm {
+			compatible = "qcom,system-pm";
+		};
+	};
+
+
-- 
QUALCOMM INDIA, on behalf of Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, hosted by The Linux Foundation.