Documentation: devicetree: add binding for Broadcom STB AVS TMON

Add binding for Broadcom STB thermal.
Signed-off-by: NBrian Norris <computersforpeace@gmail.com>
Acked-by: NRob Herring <robh@kernel.org>
Signed-off-by: NMarkus Mayer <mmayer@broadcom.com>
Signed-off-by: NEduardo Valentin <edubezval@gmail.com>

Documentation/devicetree/bindings/thermal/brcm,avs-tmon.txt

+* Broadcom STB thermal management
+
+Thermal management core, provided by the AVS TMON hardware block.
+
+Required properties:
+- compatible: must be "brcm,avs-tmon" and/or "brcm,avs-tmon-bcm7445"
+- reg: address range for the AVS TMON registers
+- interrupts: temperature monitor interrupt, for high/low threshold triggers
+- interrupt-names: should be "tmon"
+- interrupt-parent: the parent interrupt controller
+
+Example:
+
+	thermal@f04d1500 {
+		compatible = "brcm,avs-tmon-bcm7445", "brcm,avs-tmon";
+		reg = <0xf04d1500 0x28>;
+		interrupts = <0x6>;
+		interrupt-names = "tmon";
+		interrupt-parent = <&avs_host_l2_intc>;
+	};

MAINTAINERS

@@ -2955,6 +2955,14 @@ S:	Maintained
 F:	Documentation/devicetree/bindings/cpufreq/brcm,stb-avs-cpu-freq.txt
 F:	drivers/cpufreq/brcmstb*
 
+BROADCOM STB AVS TMON DRIVER
+M:	Markus Mayer <mmayer@broadcom.com>
+M:	bcm-kernel-feedback-list@broadcom.com
+L:	linux-pm@vger.kernel.org
+S:	Maintained
+F:	Documentation/devicetree/bindings/thermal/brcm,avs-tmon.txt
+F:	drivers/thermal/broadcom/brcmstb*
+
 BROADCOM STB NAND FLASH DRIVER
 M:	Brian Norris <computersforpeace@gmail.com>
 M:	Kamal Dasu <kdasu.kdev@gmail.com>