From patchwork Sat Jul 16 20:16:15 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 649165 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 3rsLLK1Nfpz9svs for ; Sun, 17 Jul 2016 06:16:25 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751751AbcGPUQX (ORCPT ); Sat, 16 Jul 2016 16:16:23 -0400 Received: from mx1.redhat.com ([209.132.183.28]:60985 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751666AbcGPUQX (ORCPT ); Sat, 16 Jul 2016 16:16:23 -0400 Received: from int-mx11.intmail.prod.int.phx2.redhat.com (int-mx11.intmail.prod.int.phx2.redhat.com [10.5.11.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 590EC8553D; Sat, 16 Jul 2016 20:16:22 +0000 (UTC) Received: from localhost.localdomain.com (ovpn-112-22.ams2.redhat.com [10.36.112.22]) by int-mx11.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u6GKGHDb007313; Sat, 16 Jul 2016 16:16:18 -0400 From: Hans de Goede To: Ulf Hansson , Rob Herring Cc: linux-mmc@vger.kernel.org, Maxime Ripard , Chen-Yu Tsai , devicetree , Hans de Goede , Arnd Bergmann Subject: [PATCH] dt: bindings: Make compatible optional for mmc function nodes Date: Sat, 16 Jul 2016 22:16:15 +0200 Message-Id: <1468700175-31836-1-git-send-email-hdegoede@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.24 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.28]); Sat, 16 Jul 2016 20:16:22 +0000 (UTC) Sender: devicetree-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org mmc/sdio is an enumerable bus, so usually the os can find out which device is attached without needing a compatible. Sometimes it is desirable to have a mmc function node, without having to make up an otherwise unused compatible for the node, so make the compatible properties optional. Cc: Arnd Bergmann Cc: Maxime Ripard Signed-off-by: Hans de Goede --- Documentation/devicetree/bindings/mmc/mmc.txt | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/Documentation/devicetree/bindings/mmc/mmc.txt b/Documentation/devicetree/bindings/mmc/mmc.txt index ed23b9b..a96c338 100644 --- a/Documentation/devicetree/bindings/mmc/mmc.txt +++ b/Documentation/devicetree/bindings/mmc/mmc.txt @@ -98,11 +98,13 @@ Required host node properties when using function subnodes: - #size-cells: should be zero. Required function subnode properties: -- compatible: name of SDIO function following generic names recommended practice - reg: Must contain the SDIO function number of the function this subnode describes. A value of 0 denotes the memory SD function, values from 1 to 7 denote the SDIO functions. +Optional function subnode properties: +- compatible: name of SDIO function following generic names recommended practice + Examples --------