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[V3,1/2] dt-bindings: thermal: add support for Broadcom's Northstar thermal

Message ID 20170331073132.21457-1-zajec5@gmail.com
State New
Headers show

Commit Message

Rafał Miłecki March 31, 2017, 7:31 a.m. UTC 
From: Rafał Miłecki <rafal@milecki.pl>

This commit documents binding for thermal used in Northstar family SoCs.

Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
---
V3: Add thermal-zones to the example
    Rob: Because of this update, I didn't include Acked-by I got for V2
---
 .../devicetree/bindings/thermal/brcm,ns-thermal    | 26 ++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/thermal/brcm,ns-thermal
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Patch

diff --git a/Documentation/devicetree/bindings/thermal/brcm,ns-thermal b/Documentation/devicetree/bindings/thermal/brcm,ns-thermal
new file mode 100644
index 000000000000..c561c7349f17
--- /dev/null
+++ b/Documentation/devicetree/bindings/thermal/brcm,ns-thermal
@@ -0,0 +1,26 @@ 
+* Broadcom Northstar Thermal
+
+This binding describes thermal sensor that is part of Northstar's DMU (Device
+Management Unit).
+
+Required properties:
+- compatible : Must be "brcm,ns-thermal"
+- reg : iomem address range of PVTMON registers
+- #thermal-sensor-cells : Should be <0>
+
+Example:
+
+thermal: thermal@1800c2c0 {
+	compatible = "brcm,ns-thermal";
+	reg = <0x1800c2c0 0x10>;
+	#thermal-sensor-cells = <0>;
+};
+
+thermal-zones {
+	cpu_thermal: cpu-thermal {
+		polling-delay-passive = <0>;
+		polling-delay = <1000>;
+		coefficients = <(-556) 418000>;
+		thermal-sensors = <&thermal>;
+	};
+};