From patchwork Tue Feb 20 12:19:35 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Baruch Siach X-Patchwork-Id: 10229995 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 B6FBB602B1 for ; Tue, 20 Feb 2018 12:39:37 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A6DDB285F0 for ; Tue, 20 Feb 2018 12:39:37 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 9ABA32864E; Tue, 20 Feb 2018 12:39:37 +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=-1.9 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2D108285F0 for ; Tue, 20 Feb 2018 12:39:37 +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=XjyVDvE5thdktMKxBboQnfeYrxO1+noS8YYADPp9OUw=; b=XydPQMfSdot2z5AX1AhHUh6JVw CQkzVWKcVW56l+Uq4MeHHYMGB4MaM9cIO01OuDbRjEWXWD/KQnLIYwnwVW0jFzxgaSAL6i3nY23// pVXpZlc8DlMT9cBu6Wr/SrwmVUeAlI5JThURruSdTwtsfBrPPcY2aWoGGnCXRifD+1VTHANU+zXgd 6tMSA+SaTrUh6y0FayiTr77vbe2BaDkeGDSfpYMhIhuAwJlOZFuc+T5pD58DHFDfXWsqALj1GdjCM Q5L9Dk0DMrM6fS5VMdyEF0UYViXY4+xPfhLDoA30bpnh0GQPSChYqFqP57//MoVMJWAsDzNVv/Obz 7VTBgsow==; 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 1eo7Co-0003Gy-Fn; Tue, 20 Feb 2018 12:39:34 +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 1eo6vP-0003Nn-QS; Tue, 20 Feb 2018 12:21:45 +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 275E5440A24; Tue, 20 Feb 2018 14:21:08 +0200 (IST) From: Baruch Siach To: Linus Walleij , Dave Stevenson , Eric Anholt , Stefan Wahren Subject: [PATCH v5 5/5] ARM: dts: bcm2837-rpi-3-b: add GPIO expander Date: Tue, 20 Feb 2018 14:19:35 +0200 Message-Id: X-Mailer: git-send-email 2.16.1 In-Reply-To: References: X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20180220_042136_403753_529A3B80 X-CRM114-Status: GOOD ( 10.49 ) 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 Add a description of the RPi3 GPIO expander that the VC4 firmware controls. Acked-by: Stefan Wahren Signed-off-by: Baruch Siach Reviewed-by: Linus Walleij --- v5: * Drop the 'firmware' property v4: * Move the gpio node under the firmware node * Rename the gpio node to plain 'gpio' * Add Stefan's ack v3: * List GPIO names one per line. v2: * Move GPIO expander node out of the soc container * Rename compatible string * Add gpio-line-names property --- arch/arm/boot/dts/bcm2837-rpi-3-b.dts | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts index 3e4ed7c5b0b3..0b31d995a066 100644 --- a/arch/arm/boot/dts/bcm2837-rpi-3-b.dts +++ b/arch/arm/boot/dts/bcm2837-rpi-3-b.dts @@ -25,6 +25,23 @@ }; }; +&firmware { + expgpio: gpio { + compatible = "raspberrypi,firmware-gpio"; + gpio-controller; + #gpio-cells = <2>; + gpio-line-names = "BT_ON", + "WL_ON", + "STATUS_LED", + "LAN_RUN", + "HPD_N", + "CAM_GPIO0", + "CAM_GPIO1", + "PWR_LOW_N"; + status = "okay"; + }; +}; + /* uart0 communicates with the BT module */ &uart0 { pinctrl-names = "default";