From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754362AbaGHLDH (ORCPT ); Tue, 8 Jul 2014 07:03:07 -0400 Received: from mail-qa0-f48.google.com ([209.85.216.48]:43926 "EHLO mail-qa0-f48.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754318AbaGHLDF (ORCPT ); Tue, 8 Jul 2014 07:03:05 -0400 From: Harini Katakam To: linus.walleij@linaro.org, gnurou@gmail.com, grant.likely@linaro.org, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, rob@landley.net Cc: michal.simek@xilinx.com, soren.brinkmann@xilinx.com, linux-gpio@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, harinikatakamlinux@gmail.com, Harini Katakam , Harini Katakam Subject: [PATCH v3 2/2] devicetree: Add Zynq GPIO devicetree bindings documentation Date: Tue, 8 Jul 2014 16:32:36 +0530 Message-Id: <1404817356-21568-2-git-send-email-harinik@xilinx.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1404817356-21568-1-git-send-email-harinik@xilinx.com> References: <1404817356-21568-1-git-send-email-harinik@xilinx.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Harini Katakam Add gpio-zynq bindings documentation. Signed-off-by: Harini Katakam Signed-off-by: Soren Brinkmann --- v3 changes: Change description of #gpio-cells - use 'gpio-line' instead of 'pin' v2 changes: Improve description. --- .../devicetree/bindings/gpio/gpio-zynq.txt | 26 ++++++++++++++++++++ 1 file changed, 26 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-zynq.txt diff --git a/Documentation/devicetree/bindings/gpio/gpio-zynq.txt b/Documentation/devicetree/bindings/gpio/gpio-zynq.txt new file mode 100644 index 0000000..986371a --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-zynq.txt @@ -0,0 +1,26 @@ +Xilinx Zynq 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 : Should be "xlnx,zynq-gpio-1.0" +- clocks : Clock specifier (see clock bindings for details) +- gpio-controller : Marks the device node as a GPIO controller. +- interrupts : Interrupt specifier (see interrupt bindings for + details) +- interrupt-parent : Must be core interrupt controller +- reg : Address and length of the register set for the device + +Example: + gpio@e000a000 { + #gpio-cells = <2>; + compatible = "xlnx,zynq-gpio-1.0"; + clocks = <&clkc 42>; + gpio-controller; + interrupt-parent = <&intc>; + interrupts = <0 20 4>; + reg = <0xe000a000 0x1000>; + }; -- 1.7.9.5