From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_SANE_2 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5E7D1C4360C for ; Sat, 12 Oct 2019 11:34:50 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 298222089C for ; Sat, 12 Oct 2019 11:34:50 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570880090; bh=BCxxTG4TWZSsQkLAgEQ+idXegdIsvgmu3X/imdZBric=; h=Date:From:To:Cc:Subject:In-Reply-To:References:List-ID:From; b=vFl5kA8dPCZL+hMnSC2Ejxr1I0CDggbXsiX0mlhVOfPGguKsQ/AVTwcTJefg9DFHD owlZDgIBMVq8C82nqJiGzxjzCt6PbSzEgIntZ+0B6cDr1dPt938IldzOZNggzeo7gi yRjCKogv3EU+LWoIBR6piDX6CqMLmM1q6npaiO4U= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729305AbfJLLet (ORCPT ); Sat, 12 Oct 2019 07:34:49 -0400 Received: from mail.kernel.org ([198.145.29.99]:41822 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729279AbfJLLen (ORCPT ); Sat, 12 Oct 2019 07:34:43 -0400 Received: from archlinux (cpc149474-cmbg20-2-0-cust94.5-4.cable.virginm.net [82.4.196.95]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id AE2652089F; Sat, 12 Oct 2019 11:34:40 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1570880082; bh=BCxxTG4TWZSsQkLAgEQ+idXegdIsvgmu3X/imdZBric=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=PTWcoD6SUQ++iL/Ug8wSa9TUJi63y43ywd+tCJXhA1hXp8192HZbI5L9AkZPh4PnY GRNNIp5MIWqHXD0yC+MHZKBdF552a3tydA09TpBIgKYvWq7SXxBFCs952CYOlCQ9xi n60rvrRwCa86RyBJs7v2DfKiaBcmF+uSrrOkOuxs= Date: Sat, 12 Oct 2019 12:31:55 +0100 From: Jonathan Cameron To: Miquel Raynal Cc: Hartmut Knaack , Lars-Peter Clausen , Peter Meerwald-Stadler , Rob Herring , Mark Rutland , , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Thomas Petazzoni Subject: Re: [PATCH v4 6/8] dt-bindings: iio: adc: max1027: Mark interrupts as optional Message-ID: <20191012123155.1a0df894@archlinux> In-Reply-To: <20191011144347.19146-7-miquel.raynal@bootlin.com> References: <20191011144347.19146-1-miquel.raynal@bootlin.com> <20191011144347.19146-7-miquel.raynal@bootlin.com> X-Mailer: Claws Mail 3.17.4 (GTK+ 2.24.32; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Fri, 11 Oct 2019 16:43:45 +0200 Miquel Raynal wrote: > The chips have a 'start conversion' and a 'end of conversion' pair of > pins. They can be used but this is absolutely not mandatory as regular > polling is supported by the chip depending on its internal clocking > setup. > > There is no physical reason to force the use of interrupts so turn > them optional. > > Also, once the interrupt turned optional, these devices fit perfectly > the "trivial devices" described in the generic (yaml) bindings file, so > instead of converting this text file to json schema, we can just add > the relevant compatibles in: > Documentation/devicetree/bindings/trivial-devices.yaml. > > Signed-off-by: Miquel Raynal I guess this keeps things consistent event if we are about to delete it ;) Applied. > --- > Documentation/devicetree/bindings/iio/adc/max1027-adc.txt | 2 ++ > 1 file changed, 2 insertions(+) > > diff --git a/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt > index e680c61dfb84..7b23d68f655c 100644 > --- a/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt > +++ b/Documentation/devicetree/bindings/iio/adc/max1027-adc.txt > @@ -3,6 +3,8 @@ > Required properties: > - compatible: Should be "maxim,max1027" or "maxim,max1029" or "maxim,max1031" > - reg: SPI chip select number for the device > + > +Optional properties: > - interrupts: IRQ line for the ADC > see: Documentation/devicetree/bindings/interrupt-controller/interrupts.txt >