From mboxrd@z Thu Jan 1 00:00:00 1970 From: Khiem Nguyen Subject: [PATCH 1/4] thermal: rcar_gen3_thermal: Document the R-Car Gen3 thermal bindings Date: Sun, 19 Jun 2016 10:33:36 +0700 Message-ID: <57661290.9000501@rvc.renesas.com> References: <57661211.7010900@rvc.renesas.com> Mime-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <57661211.7010900@rvc.renesas.com> Sender: linux-kernel-owner@vger.kernel.org To: Kuninori Morimoto Cc: Wolfram Sang , Geert Uytterhoeven , Magnus Damm , Zhang Rui , Eduardo Valentin , Rob Herring , Mark Rutland , "linux-pm@vger.kernel.org" , "devicetree@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "Thao Phuong Le. Nguyen" , "Hien Duy. Dang" , Toru Oishi , "Khiem Trong. Nguyen" List-Id: devicetree@vger.kernel.org Signed-off-by: Hien Dang Signed-off-by: Khiem Nguyen --- .../bindings/thermal/rcar-gen3-thermal.txt | 79 ++++++++++++++++++++++ 1 file changed, 79 insertions(+) create mode 100644 Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt diff --git a/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt new file mode 100644 index 0000000..ed6ce45 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt @@ -0,0 +1,79 @@ +* DT bindings for Renesas R-Car Gen3 Thermal Sensor driver + +Required properties: +- compatible : "renesas,thermal-", + Examples with soctypes are: + - "renesas,thermal-r8a7795" (R-Car H3) + - "renesas,thermal-r8a7796" (R-Car M3) + - "renesas,rcar-gen3-thermal" as fallback +- reg : Address range of the thermal registers. +- clocks : Must contain a reference to the functional clock. +- #thermal-sensor-cells : Please see ./thermal.txt + +Option properties: + +- interrupts : Use interrupt +- power-domain : Must contain a reference to the power domain. This property is + mandatory if the thermal sensor instance is part of a controllable power + domain. + +Example (non interrupt support): + + tsc1: thermal@e6198000 { + compatible = "renesas,thermal-r8a7795", + "renesas,rcar-gen3-thermal"; + reg = <0 0xe6198000 0 0x5c>; + clocks = <&cpg CPG_MOD 522>; + power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; + #thermal-sensor-cells = <0>; + status = "okay"; + }; + + thermal-zones { + sensor_thermal1: sensor-thermal1 { + polling-delay-passive = <250>; + polling-delay = <1000>; + + /* sensor ID */ + thermal-sensors = <&tsc1>; + + trips { + sensor1_crit: sensor1-crit { + temperature = <90000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; + +Example (interrupt support): + + tsc1: thermal@e6198000 { + compatible = "renesas,thermal-r8a7795", + "renesas,rcar-gen3-thermal"; + reg = <0 0xe6198000 0 0x5c>; + interrupts = ; + clocks = <&cpg CPG_MOD 522>; + power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; + #thermal-sensor-cells = <0>; + status = "okay"; + }; + + thermal-zones { + sensor_thermal1: sensor-thermal1 { + polling-delay-passive = <250>; + polling-delay = <0>; + + /* sensor ID */ + thermal-sensors = <&tsc1>; + + trips { + sensor1_crit: sensor1-crit { + temperature = <90000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; -- 1.9.1