From patchwork Tue Aug 16 07:23:10 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Mike Looijmans X-Patchwork-Id: 659507 Return-Path: X-Original-To: incoming-dt@patchwork.ozlabs.org Delivered-To: patchwork-incoming-dt@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3sD3kL6PtGz9t1t for ; Tue, 16 Aug 2016 17:23:38 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753176AbcHPHXS (ORCPT ); Tue, 16 Aug 2016 03:23:18 -0400 Received: from atl4mhob12.myregisteredsite.com ([209.17.115.50]:41782 "EHLO atl4mhob12.myregisteredsite.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753163AbcHPHXR (ORCPT ); Tue, 16 Aug 2016 03:23:17 -0400 Received: from mailpod.hostingplatform.com ([10.30.71.207]) by atl4mhob12.myregisteredsite.com (8.14.4/8.14.4) with ESMTP id u7G7NDDG012047 for ; Tue, 16 Aug 2016 03:23:14 -0400 Received: (qmail 3419 invoked by uid 0); 16 Aug 2016 07:23:13 -0000 X-TCPREMOTEIP: 37.74.225.130 X-Authenticated-UID: mike@milosoftware.com Received: from unknown (HELO mikebuntu.TOPIC.LOCAL) (mike@milosoftware.com@37.74.225.130) by 0 with ESMTPA; 16 Aug 2016 07:23:13 -0000 From: Mike Looijmans To: robh+dt@kernel.org, devicetree@vger.kernel.org Cc: hjk@hansjkoch.de, linux@roeck-us.net, linux-hwmon@vger.kernel.org, linux-kernel@vger.kernel.org, mark.rutland@arm.com, Mike Looijmans Subject: [PATCH] hwmon: (max6650.c) Add devicetree support documentation Date: Tue, 16 Aug 2016 09:23:10 +0200 Message-Id: <1471332190-14638-1-git-send-email-mike.looijmans@topic.nl> X-Mailer: git-send-email 1.9.1 Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org This adds the devicetree binding documentation for the max6650 fan controller. Signed-off-by: Mike Looijmans Acked-by: Rob Herring --- Associated code changes sent as a separate patch as requested. .../devicetree/bindings/hwmon/max6650.txt | 23 ++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 Documentation/devicetree/bindings/hwmon/max6650.txt diff --git a/Documentation/devicetree/bindings/hwmon/max6650.txt b/Documentation/devicetree/bindings/hwmon/max6650.txt new file mode 100644 index 0000000..2e46e69 --- /dev/null +++ b/Documentation/devicetree/bindings/hwmon/max6650.txt @@ -0,0 +1,23 @@ +Bindings for MAX6651 and MAX6650 I2C fan controllers + +Reference: +[1] https://datasheets.maximintegrated.com/en/ds/MAX6650-MAX6651.pdf + +Required properties: +- compatible : One of "maxim,max6650" or "maxim,max6651" +- reg : I2C address, one of 0x1b, 0x1f, 0x4b, 0x48. + +Optional properties, default is to retain the chip's current setting: +- maxim,fan-microvolt : The supply voltage of the fan, sets the ADC range to + either 5V or 12V. Max value 13500000. +- maxim,fan-prescale : Pre-scaling value, as per datasheet [1]. Lower values + allow more fine-grained control of slower fans. + Valid: 1, 2, 4, 8, 16. + +Example: + fan-max6650: max6650@1b { + reg = <0x1b>; + compatible = "maxim,max6650"; + maxim,fan-microvolt = <12000000>; + maxim,fan-prescale = <4>; + };