From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <linux-kernel-owner@vger.kernel.org>
Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand
	id S1758848AbcAMLgt (ORCPT <rfc822;w@1wt.eu>);
	Wed, 13 Jan 2016 06:36:49 -0500
Received: from mail.karo-electronics.de ([81.173.242.67]:62677 "EHLO
	mail.karo-electronics.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1752758AbcAMLgr convert rfc822-to-8bit (ORCPT
	<rfc822;linux-kernel@vger.kernel.org>);
	Wed, 13 Jan 2016 06:36:47 -0500
Date: Wed, 13 Jan 2016 12:36:28 +0100
From: Lothar =?UTF-8?B?V2HDn21hbm4=?= <LW@KARO-electronics.de>
To: Fabio Estevam <festevam@gmail.com>
Cc: Ian Campbell <ijc+devicetree@hellion.org.uk>,
        Kumar Gala <galak@codeaurora.org>, Mark Rutland <mark.rutland@arm.com>,
        Pawel Moll <pawel.moll@arm.com>, Rob Herring <robh+dt@kernel.org>,
        Russell King <linux@arm.linux.org.uk>,
        Sascha Hauer <kernel@pengutronix.de>, Shawn Guo <shawnguo@kernel.org>,
        "devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
        "linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>,
        linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: [PATCH 2/3] ARM: dts: imx6ul: add support for Ka-Ro electronics
 TXUL modules
Message-ID: <20160113123628.303ef0d6@ipc1.ka-ro>
In-Reply-To: <CAOMZO5Dhho3whg8p0t6FARG8vyU158mFc7d8BHxThjojm-dcQg@mail.gmail.com>
References: <1452621710-15336-1-git-send-email-LW@KARO-electronics.de>
	<1452621710-15336-2-git-send-email-LW@KARO-electronics.de>
	<1452621710-15336-3-git-send-email-LW@KARO-electronics.de>
	<CAOMZO5Dhho3whg8p0t6FARG8vyU158mFc7d8BHxThjojm-dcQg@mail.gmail.com>
Organization: Ka-Ro electronics GmbH
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8BIT
Sender: linux-kernel-owner@vger.kernel.org
List-ID: <linux-kernel.vger.kernel.org>
X-Mailing-List: linux-kernel@vger.kernel.org

Hi,

> On Tue, Jan 12, 2016 at 4:01 PM, Lothar Waßmann <LW@karo-electronics.de> wrote:
> 
> > +               spi@0 {
> > +                       compatible = "spidev";
> > +                       reg = <0>;
> > +                       spi-max-frequency = <54000000>;
> > +               };
> > +
> > +               spi@1 {
> > +                       compatible = "spidev";
> > +                       reg = <1>;
> > +                       spi-max-frequency = <54000000>;
> > +               };
> > +       };
> 
> If you leave the spidev node, the spi core will complain loudly about it.
>
I know. But this gives the opportunity to test the SPI interface
without any bogus chip definitions.


Lothar Waßmann