From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from www.zeus03.de ([194.117.254.33]:56266 "EHLO mail.zeus03.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752480AbcLAWE4 (ORCPT ); Thu, 1 Dec 2016 17:04:56 -0500 From: Wolfram Sang To: linux-pm@vger.kernel.org Cc: linux-renesas-soc@vger.kernel.org, Zhang Rui , Eduardo Valentin , Khiem Nguyen , Kuninori Morimoto , Geert Uytterhoeven , Wolfram Sang , Hien Dang Subject: [PATCH v4 1/4] thermal: rcar_gen3_thermal: Document the R-Car Gen3 Date: Thu, 1 Dec 2016 23:04:39 +0100 Message-Id: <20161201220442.22057-2-wsa+renesas@sang-engineering.com> In-Reply-To: <20161201220442.22057-1-wsa+renesas@sang-engineering.com> References: <20161201220442.22057-1-wsa+renesas@sang-engineering.com> Sender: linux-renesas-soc-owner@vger.kernel.org List-ID: Signed-off-by: Hien Dang Signed-off-by: Khiem Nguyen Signed-off-by: Wolfram Sang --- .../bindings/thermal/rcar-gen3-thermal.txt | 56 ++++++++++++++++++++++ 1 file changed, 56 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 00000000000000..07a9713ae6a757 --- /dev/null +++ b/Documentation/devicetree/bindings/thermal/rcar-gen3-thermal.txt @@ -0,0 +1,56 @@ +* DT bindings for Renesas R-Car Gen3 Thermal Sensor driver + +On R-Car Gen3 SoCs, the thermal sensor controllers (TSC) control the thermal +sensors (THS) which are the analog circuits for measuring temperature (Tj) +inside the LSI. + +Required properties: +- compatible : "renesas,-thermal", + Examples with soctypes are: + - "renesas,r8a7795-thermal" (R-Car H3) + - "renesas,r8a7796-thermal" (R-Car M3-W) +- reg : Address ranges of the thermal registers. Each sensor + needs one address range. Sorting must be done in + increasing order according to datasheet, i.e. + TSC1, TSC2, ... +- clocks : Must contain a reference to the functional clock. +- #thermal-sensor-cells : must be <1>. + +Optional properties: + +- interrupts : interrupts routed to the TSC (3 for H3 and M3-W) +- 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: + + tsc: thermal@e6198000 { + compatible = "renesas,r8a7795-thermal"; + reg = <0 0xe6198000 0 0x68>, + <0 0xe61a0000 0 0x5c>, + <0 0xe61a8000 0 0x5c>; + interrupts = , + , + ; + clocks = <&cpg CPG_MOD 522>; + power-domains = <&sysc R8A7795_PD_ALWAYS_ON>; + #thermal-sensor-cells = <1>; + status = "okay"; + }; + + thermal-zones { + sensor_thermal1: sensor-thermal1 { + polling-delay-passive = <250>; + polling-delay = <1000>; + thermal-sensors = <&tsc 0>; + + trips { + sensor1_crit: sensor1-crit { + temperature = <90000>; + hysteresis = <2000>; + type = "critical"; + }; + }; + }; + }; -- 2.10.2