linux-kernel - [PATCH v3 6/7] dt-bindings: soc: qcom: Extend RPMh power controller binding to describe thermal warming device

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Date:   Wed, 16 Oct 2019 15:37:20 -0400
From:   Thara Gopinath <thara.gopinath@...aro.org>
To:     edubezval@...il.com, rui.zhang@...el.com, ulf.hansson@...aro.org,
        daniel.lezcano@...aro.org, bjorn.andersson@...aro.org,
        agross@...nel.org
Cc:     amit.kucheria@...durent.com, mark.rutland@....com,
        rjw@...ysocki.net, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH v3 6/7] dt-bindings: soc: qcom: Extend RPMh power controller binding to describe thermal warming device

RPMh power controller hosts mx domain that can be used as thermal
warming device. Add a sub-node to specify this.

Signed-off-by: Thara Gopinath <thara.gopinath@...aro.org>
---
 Documentation/devicetree/bindings/power/qcom,rpmpd.txt | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/Documentation/devicetree/bindings/power/qcom,rpmpd.txt b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
index eb35b22..fff695d 100644
--- a/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
+++ b/Documentation/devicetree/bindings/power/qcom,rpmpd.txt
@@ -18,6 +18,16 @@ Required Properties:
 Refer to <dt-bindings/power/qcom-rpmpd.h> for the level values for
 various OPPs for different platforms as well as Power domain indexes
 
+= SUBNODES
+RPMh alsp hosts power domains that can behave as thermal warming device.
+These are expressed as subnodes of the RPMh. The name of the node is used
+to identify the power domain and must therefor be "mx".
+
+- #cooling-cells:
+	Usage: optional
+	Value type: <u32>
+	Definition: must be 2
+
 Example: rpmh power domain controller and OPP table
 
 #include <dt-bindings/power/qcom-rpmhpd.h>
-- 
2.1.4