From patchwork Sat Apr 21 15:12:47 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Miquel Raynal X-Patchwork-Id: 10354271 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 761B560231 for ; Sat, 21 Apr 2018 15:27:07 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 65B22288E8 for ; Sat, 21 Apr 2018 15:27:07 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 59CC2288F4; Sat, 21 Apr 2018 15:27:07 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-2.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,MAILING_LIST_MULTI autolearn=unavailable version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id A6623288E8 for ; Sat, 21 Apr 2018 15:27:06 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=N5xvpe/bpU2c8fhwhPoiFpybOx1pE6lWyYxBb8k6cR0=; b=pv+WP7UF1fp5ls1vzAJKylZ6EO aBs5gWxPg87Rk++QHVXMS1vRqU9JI/i82Fov+ty1N0U6oRPWxxckL77ioFuzWXHM+KMkPAH/P99Fj kWtGqI1khA8CDBv3G+XALmPFMfVhSPRrKw6MjzorhkTXnCAtBboI1BYAxcV4QT0scrX8z7Lq79WDz 9DU3M46cFimkjeWmehd/x2wpMz/MA1H+u4tVCMn5RoLeZoegXIlcs+IT4Cc3ZokN0/FKlkpu9j/IU szfQHDqlOydFq8MxFkzpThldTatMkJlczVsGrD1vzkKZCCPN/1XV1Nhp/777Fx0nQPatEjdTgBu9p Ej60tlVA==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1f9uPg-0004Rs-Nm; Sat, 21 Apr 2018 15:26:56 +0000 Received: from mail.bootlin.com ([62.4.15.54]) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1f9uCo-0003cN-A0 for linux-arm-kernel@lists.infradead.org; Sat, 21 Apr 2018 15:13:42 +0000 Received: by mail.bootlin.com (Postfix, from userid 110) id 4EA2320DB0; Sat, 21 Apr 2018 17:13:27 +0200 (CEST) Received: from localhost.localdomain (unknown [91.224.148.103]) by mail.bootlin.com (Postfix) with ESMTPSA id 4C6F1207CE; Sat, 21 Apr 2018 17:13:16 +0200 (CEST) From: Miquel Raynal To: Gregory Clement , Jason Cooper , Andrew Lunn , Sebastian Hesselbarth , Zhang Rui , Eduardo Valentin Subject: [PATCH 19/27] dt-bindings: cp110: add the thermal node in the syscon file Date: Sat, 21 Apr 2018 17:12:47 +0200 Message-Id: <20180421151255.29929-20-miquel.raynal@bootlin.com> X-Mailer: git-send-email 2.14.1 In-Reply-To: <20180421151255.29929-1-miquel.raynal@bootlin.com> References: <20180421151255.29929-1-miquel.raynal@bootlin.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180421_081338_544035_EA5BF10C X-CRM114-Status: GOOD ( 14.01 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Mark Rutland , devicetree@vger.kernel.org, linux-pm@vger.kernel.org, Antoine Tenart , Catalin Marinas , Will Deacon , Maxime Chevallier , Nadav Haklai , David Sniatkiwicz , Rob Herring , Thomas Petazzoni , Miquel Raynal , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP Explain the thermal bindings now that the thermal IP is described being inside of a system controller. Add a reference to the thermal-zone node. Signed-off-by: Miquel Raynal --- .../arm/marvell/cp110-system-controller.txt | 42 ++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt index 54b0d64ce819..e372c21d2a57 100644 --- a/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt +++ b/Documentation/devicetree/bindings/arm/marvell/cp110-system-controller.txt @@ -11,6 +11,9 @@ For the top level node: - compatible: must be: "syscon", "simple-mfd"; - reg: register area of the CP110 system controller +SYSTEM CONTROLLER 0 +=================== + Clocks: ------- @@ -186,3 +189,42 @@ CP110_LABEL(syscon0): system-controller@440000 { }; }; + +SYSTEM CONTROLLER 1 +=================== + +Thermal: +-------- + +The thermal IP can probe the temperature all around the processor. It +may feature several channels, each of them wired to one sensor. + +It is possible to setup an overheat interrupt by giving at least one +critical point to any subnode of the thermal-zone node. + +For common binding part and usage, refer to +Documentation/devicetree/bindings/thermal/thermal.txt + +Required properties: +- compatible: "marvell,armada-cp110-thermal" + +Optional properties: +- interrupt-parent/interrupts: overheat interrupt handle. Should point to + line 37 of the SEI irqchip (shared between CPs). + See interrupt-controller/interrupts.txt +- #thermal-sensor-cells: shall be <1> when thermal-zones subnodes refer + to this IP and represents the channel ID. There is one sensor per + channel. O refers to the thermal IP internal channel. + +Example: +CP110_LABEL(syscon1): system-controller@6f8000 { + compatible = "syscon", "simple-mfd"; + reg = <0x6f8000 0x1000>; + + CP110_LABEL(thermal): ap-thermal { + compatible = "marvell,armada-cp110-thermal"; + interrupt-parent = <&sei>; + interrupts = <37>; + #thermal-sensor-cells = <1>; + }; +};