From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1757531AbcH3H4O (ORCPT ); Tue, 30 Aug 2016 03:56:14 -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 X-Sasl-enc: qvMjXvJKebL3WoUHCURr28zIA6/+A1NFiKOn+cPWp/Wm 1472543702 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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Signed-off-by: Andrew Jeffery Acked-by: Joel Stanley --- .../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; + }; -- 2.9.3.1.g0db844e