From patchwork Tue Aug 30 07:54:23 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andrew Jeffery X-Patchwork-Id: 664035 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3sNgqr4lKnz9ryQ for ; Tue, 30 Aug 2016 17:58:16 +1000 (AEST) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=aj.id.au header.i=@aj.id.au header.b=ZEQseM+D; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=messagingengine.com header.i=@messagingengine.com header.b=Fx0cP2HF; dkim-atps=neutral Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751756AbcH3H4N (ORCPT ); Tue, 30 Aug 2016 03:56:13 -0400 Received: from out4-smtp.messagingengine.com ([66.111.4.28]:51780 "EHLO out4-smtp.messagingengine.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756531AbcH3HzE (ORCPT ); Tue, 30 Aug 2016 03:55:04 -0400 Received: from compute7.internal (compute7.nyi.internal [10.202.2.47]) by mailout.nyi.internal (Postfix) with ESMTP id 3CB72203F4; Tue, 30 Aug 2016 03:55:03 -0400 (EDT) Received: from frontend2 ([10.202.2.161]) by compute7.internal (MEProxy); Tue, 30 Aug 2016 03:55:03 -0400 DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d=aj.id.au; h=cc :date:from:in-reply-to:message-id:references:subject:to :x-sasl-enc:x-sasl-enc; s=mesmtp; bh=RZ5u6RhCqZzqoYtjUPVObAamWNg =; b=ZEQseM+DIwpdNI2x7/i+LbM/yxIFs4Ts6qPXXMihfiuTbFot+Ue2NoB/OIh /Y1B3NyEwBiln7D6yD/iWB7OGGp1RDQ1MM5z029HfqvsnqsNSDi0AeB2jKdXjulQ w0R/4WALJF3aw8RO30lws/j53aSskya4NKBUclyhFp4RFyNw= DKIM-Signature: v=1; a=rsa-sha1; c=relaxed/relaxed; d= messagingengine.com; h=cc:date:from:in-reply-to:message-id :references:subject:to:x-sasl-enc:x-sasl-enc; s=smtpout; bh=RZ5u 6RhCqZzqoYtjUPVObAamWNg=; b=Fx0cP2HF8XvExaZrfn7nXkeDzqwRIM6xjn7I EdtdEBWs/C2qnXJf1q3iadA8dvDfdwNFBdJqf2uAT6ci66LpJqibfdPQs1xDGTK+ M9cKm1gy454VqyrFjl6b9fTneUay/CdQio4VkDhVaOMiURgkKoOB3GwdKXJw34U3 9bSHZLE= X-Sasl-enc: qvMjXvJKebL3WoUHCURr28zIA6/+A1NFiKOn+cPWp/Wm 1472543702 Received: from keelia.au.ibm.com (unknown [203.0.153.9]) by mail.messagingengine.com (Postfix) with ESMTPA id 5364DCCE83; Tue, 30 Aug 2016 03:54:59 -0400 (EDT) From: Andrew Jeffery To: Linus Walleij , Joel Stanley Cc: Alexandre Courbot , Mark Rutland , Rob Herring , Benjamin Herrenschmidt , Jeremy Kerr , linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, Andrew Jeffery Subject: [PATCH v3 4/8] gpio: dt-bindings: Add documentation for Aspeed GPIO controllers Date: Tue, 30 Aug 2016 17:24:23 +0930 Message-Id: <20160830075427.11493-5-andrew@aj.id.au> X-Mailer: git-send-email 2.9.3.1.g0db844e In-Reply-To: <20160830075427.11493-1-andrew@aj.id.au> References: <20160830075427.11493-1-andrew@aj.id.au> Sender: linux-gpio-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-gpio@vger.kernel.org Signed-off-by: Andrew Jeffery Acked-by: Joel Stanley Acked-by: Rob Herring --- .../devicetree/bindings/gpio/gpio-aspeed.txt | 36 ++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-aspeed.txt diff --git a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt new file mode 100644 index 000000000000..09f26cac18d1 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt @@ -0,0 +1,36 @@ +Aspeed GPIO controller Device Tree Bindings +------------------------------------------- + +Required properties: +- #gpio-cells : Should be two + - First cell is the GPIO line number + - Second cell is used to specify optional + parameters (unused) + +- compatible : Either "aspeed,ast2400-gpio" or "aspeed,ast2500-gpio" + +- reg : Address and length of the register set for the device +- gpio-controller : Marks the device node as a GPIO controller. +- interrupts : Interrupt specifier (see interrupt bindings for + details) +- interrupt-controller : Mark the GPIO controller as an interrupt-controller + +Optional properties: + +- interrupt-parent : The parent interrupt controller, optional if inherited + +The gpio and interrupt properties are further described in their respective +bindings documentation: + +- Documentation/devicetree/bindings/gpio/gpio.txt +- Documentation/devicetree/bindings/interrupt-controller/interrupts.txt + + Example: + gpio@1e780000 { + #gpio-cells = <2>; + compatible = "aspeed,ast2400-gpio"; + gpio-controller; + interrupts = <20>; + reg = <0x1e780000 0x1000>; + interrupt-controller; + };