From patchwork Tue Feb 20 12:19:34 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baruch Siach X-Patchwork-Id: 875515 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=linux-gpio-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3zm08Y71Btz9sWK for ; Tue, 20 Feb 2018 23:21:17 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751501AbeBTMVL (ORCPT ); Tue, 20 Feb 2018 07:21:11 -0500 Received: from guitar.tcltek.co.il ([192.115.133.116]:35580 "EHLO mx.tkos.co.il" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751533AbeBTMVJ (ORCPT ); Tue, 20 Feb 2018 07:21:09 -0500 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 0EB1D440A21; Tue, 20 Feb 2018 14:21:07 +0200 (IST) From: Baruch Siach To: Linus Walleij , Dave Stevenson , Eric Anholt , Stefan Wahren 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 Subject: [PATCH v5 4/5] ARM: dts: bcm2835: make the firmware node into a bus Date: Tue, 20 Feb 2018 14:19:34 +0200 Message-Id: <43f9082a6835df6d7bcd3e16d79db687c52826d2.1519128054.git.baruch@tkos.co.il> X-Mailer: git-send-email 2.16.1 In-Reply-To: References: Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org 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 Reviewed-by: Linus Walleij --- 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>; };