linux-kernel - [PATCH 3/5] dt-bindings: thermal: Add generic power domain warming device binding

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Message-Id: <1568135676-9328-4-git-send-email-thara.gopinath@linaro.org>
Date:   Tue, 10 Sep 2019 13:14:34 -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,
        robh+dt@...nel.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 3/5] dt-bindings: thermal: Add generic power domain warming device binding

Add binding to define power domains as thermal warming
devices.

Signed-off-by: Thara Gopinath <thara.gopinath@...aro.org>
---
 .../bindings/thermal/pwr-domain-warming.txt        | 32 ++++++++++++++++++++++
 1 file changed, 32 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/pwr-domain-warming.txt

diff --git a/Documentation/devicetree/bindings/thermal/pwr-domain-warming.txt b/Documentation/devicetree/bindings/thermal/pwr-domain-warming.txt
new file mode 100644
index 0000000..25fc568
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/pwr-domain-warming.txt
@@ -0,0 +1,32 @@
+* Generic power domain based thermal warming device.
+
+This binding describes the power domains that can be used as a
+thermal warming device.
+
+- compatible:
+	Usage: required
+	Value type: <string>
+	Definition: must be "thermal-power-domain-wdev"
+
+- #temp-reg-cells:
+	Usage: required
+	Value type: <u32>
+	Definition: Must be 2
+
+- power-domains:
+	Usage: required
+	Value type: <phandle>
+	Definition: reference to power-domains that match power-domain-names
+
+- power-domain-names:
+	Usage: required
+	Value type: <stringlist>
+	Definition: The power-domains that can behave as warming devices
+
+Example 1
+thermal_wdev: rpmhpd_mx_wdev {
+		compatible = "thermal-power-domain-wdev";
+		#cooling-cells = <2>;
+		power-domains =  <&rpmhpd SDM845_MX>;
+		power-domain-names = "mx";
+	};
-- 
2.1.4