From patchwork Wed Feb 7 18:35:25 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baruch Siach X-Patchwork-Id: 10205843 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id C59F76020F for ; Wed, 7 Feb 2018 18:36:33 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id B44DF29091 for ; Wed, 7 Feb 2018 18:36:33 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id A6B762909C; Wed, 7 Feb 2018 18:36:33 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [65.50.211.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 89E1E29091 for ; Wed, 7 Feb 2018 18:36:32 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:MIME-Version:Cc:List-Subscribe: List-Help:List-Post:List-Archive:List-Unsubscribe:List-Id:References: In-Reply-To:Message-Id:Date:Subject:To:From:Reply-To:Content-ID: Content-Description:Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc :Resent-Message-ID:List-Owner; bh=+/XGkBx9093XxAa/X8BGhIfHOvOtwOVVuOr3xlPQI8E=; b=RC9uchB+83cJvCgP+llAI0GC+X JXzMWvVjCeofjfv21dxazVULS6slvJ/GGHgzc0y2LOt3pSmlaoZ/NRCpQELJfuWWNUBH2ItnBnkvE bIlxe94tQdEhQFvIbzxOwz27Gq/a8CCGPvlhds0qTbrKjHTozm6BNDm0fN9OivboaqgErlNiLowwG NoKxuFTfT7OzK9VTcqlVn32PulVMS0jqU2MrRvg6+1jFpOu7VEYBf5Qwsc6qRp9QajRhtSyHgBIIG tPwjpEJ3Lr7pMXNlbrypnu5yIJqkmxHFdEEVzz63RcTmTv2TLa7T7mNInYo/8kpdtaPYLre+ktF+e k7W3cBbQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.89 #1 (Red Hat Linux)) id 1ejUa3-00066f-IM; Wed, 07 Feb 2018 18:36:27 +0000 Received: from guitar.tcltek.co.il ([192.115.133.116] helo=mx.tkos.co.il) by bombadil.infradead.org with esmtps (Exim 4.89 #1 (Red Hat Linux)) id 1ejUa0-00064E-8b; Wed, 07 Feb 2018 18:36:26 +0000 Received: from tarshish.tkos.co.il (unknown [10.0.8.6]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mx.tkos.co.il (Postfix) with ESMTPSA id 643A0440A27; Wed, 7 Feb 2018 20:35:51 +0200 (IST) From: Baruch Siach To: Linus Walleij , Dave Stevenson , Eric Anholt , Stefan Wahren Subject: [PATCH v4 4/5] ARM: dts: bcm2835: make the firmware node into a bus Date: Wed, 7 Feb 2018 20:35:25 +0200 Message-Id: X-Mailer: git-send-email 2.15.1 In-Reply-To: References: X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Baruch Siach , linux-gpio@vger.kernel.org, Michael Zoran , Rob Herring , linux-rpi-kernel@lists.infradead.org, Frank Rowand , linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP This allows adding devices for which the firmware exposes control interface via the mailbox. An example of such device is the GPIO expander. Signed-off-by: Baruch Siach --- v4: New patch in this series --- arch/arm/boot/dts/bcm2835-rpi.dtsi | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/bcm2835-rpi.dtsi b/arch/arm/boot/dts/bcm2835-rpi.dtsi index e36c392a2b8f..0198bd46ef7c 100644 --- a/arch/arm/boot/dts/bcm2835-rpi.dtsi +++ b/arch/arm/boot/dts/bcm2835-rpi.dtsi @@ -18,7 +18,9 @@ soc { firmware: firmware { - compatible = "raspberrypi,bcm2835-firmware"; + compatible = "raspberrypi,bcm2835-firmware", "simple-bus"; + #address-cells = <0>; + #size-cells = <0>; mboxes = <&mailbox>; };