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=-8.5 required=3.0 tests=INCLUDES_PATCH, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,USER_AGENT_MUTT autolearn=ham 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 7FD8FECDE43 for ; Thu, 18 Oct 2018 20:41:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 4B4F720658 for ; Thu, 18 Oct 2018 20:41:33 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 4B4F720658 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727377AbeJSEoR (ORCPT ); Fri, 19 Oct 2018 00:44:17 -0400 Received: from mail-ot1-f67.google.com ([209.85.210.67]:35889 "EHLO mail-ot1-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725934AbeJSEoQ (ORCPT ); Fri, 19 Oct 2018 00:44:16 -0400 Received: by mail-ot1-f67.google.com with SMTP id x4so29722513otg.3; Thu, 18 Oct 2018 13:41:31 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to:user-agent; bh=kF8WkYCTMl50v4ZLFXYn2h/JfOCPQn+MzE3mBFdK6os=; b=qq9c+h/5R42KKr/UySDYpfHESGiWbtSXkXPLzFqCVYQRvdnGhQ/S84WkUob/DembKZ r/OgJ7gk+IwQPZUd4vwTxg/eK4NuFXWEPCiI0Br3JWhzC1lNjrmKcMSbvjmYTz0TmGo6 Vx7uvloeSBYEI866iXYZEOKHkbMEcPpn2l865onN0akM00kVXSGq6xgd4aQXs6nGNLS9 3FU6aQucH4F/3RpK/vN6iZFdfm9HrGah+HhlHHcQvQd+WYU7RiSsu4GDOAfhvWF/CIbR sNRHR6BKL3m/2+mAbbZaad5sTuhaYnpxV/TW9OjkqxBYmHAS6DmpyKhWB+HTm/qqNXBI fA1g== X-Gm-Message-State: ABuFfoimwpa1mJAAY8piq2rXnyssj+cEWd5vcS0T1bI4V5Plgtfs6wLJ VorRv3JtHYIlLkARqgqbiw== X-Google-Smtp-Source: ACcGV63gh8vCsDpPQ4keNGYusa+ixEwtKXtrvfw8NecRqKcDteX0MrZsptZgwXcZvzq9S2O4PDqb8Q== X-Received: by 2002:a9d:11f5:: with SMTP id y50mr21229878oty.306.1539895290736; Thu, 18 Oct 2018 13:41:30 -0700 (PDT) Received: from localhost (24-155-109-49.dyn.grandenetworks.net. [24.155.109.49]) by smtp.gmail.com with ESMTPSA id l56sm7018844otb.65.2018.10.18.13.41.30 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 18 Oct 2018 13:41:30 -0700 (PDT) Date: Thu, 18 Oct 2018 15:41:29 -0500 From: Rob Herring To: Marcel Holtmann Cc: Lars Poeschel , devicetree , Mark Rutland , Peter Rosin , Vadim Pasternak , Lei YU , Andreas =?iso-8859-1?Q?F=E4rber?= , Jonathan =?iso-8859-1?Q?Neusch=E4fer?= , open list Subject: Re: [PATCH v2 2/4] nfc: pn532_uart: Add NXP PN532 to devicetree docs Message-ID: <20181018204129.GA25436@bogus> References: <20181018144251.30028-1-poeschel@lemonage.de> <20181018144251.30028-2-poeschel@lemonage.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: User-Agent: Mutt/1.9.4 (2018-02-28) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, Oct 18, 2018 at 05:03:13PM +0200, Marcel Holtmann wrote: > Hi Lars, > > > Add pn532 to the trivial-devices.txt binding doc. > > > > Signed-off-by: Lars Poeschel > > --- > > Documentation/devicetree/bindings/trivial-devices.txt | 1 + > > 1 file changed, 1 insertion(+) > > > > diff --git a/Documentation/devicetree/bindings/trivial-devices.txt b/Documentation/devicetree/bindings/trivial-devices.txt > > index 763a2808a95c..c580be08a380 100644 > > --- a/Documentation/devicetree/bindings/trivial-devices.txt > > +++ b/Documentation/devicetree/bindings/trivial-devices.txt > > @@ -172,6 +172,7 @@ nxp,pcf2129 Real-time clock > > nxp,pcf8523 Real-time Clock > > nxp,pcf8563 Real-time clock/calendar > > nxp,pcf85063 Tiny Real-Time Clock > > +nxp,pn532-uart NXP PN532 NFC-/RFID-Chip, using UART interface > > is this really such a trivial device? It doesn’t require any GPIO to enable / reset the NFC chip? Considering it supports multiple interfaces, it is not. The '-uart' can be dropped and the same compatible used for any of the bus connections because the device is bound based on the bus type. Rob