From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932968AbcA3Quq (ORCPT ); Sat, 30 Jan 2016 11:50:46 -0500 Received: from hqemgate15.nvidia.com ([216.228.121.64]:2634 "EHLO hqemgate15.nvidia.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932126AbcA3Qum (ORCPT ); Sat, 30 Jan 2016 11:50:42 -0500 X-PGP-Universal: processed; by hqnvupgp07.nvidia.com on Sat, 30 Jan 2016 08:51:05 -0800 From: Laxman Dewangan To: , , , , , , , , , , CC: , , , , , , , , , Laxman Dewangan Subject: [PATCH V7 5/8] gpio: add DT binding doc for gpio of PMIC max77620/max20024 Date: Sat, 30 Jan 2016 22:08:48 +0530 Message-ID: <1454171931-27752-6-git-send-email-ldewangan@nvidia.com> X-Mailer: git-send-email 2.1.4 In-Reply-To: <1454171931-27752-1-git-send-email-ldewangan@nvidia.com> References: <1454171931-27752-1-git-send-email-ldewangan@nvidia.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Maxim Semiconductor's PMIC MAX77620/MAX20024 has 8 GPIO pins which act as GPIO as well as special function mode. Add DT binding document to support these pins in GPIO mode via GPIO framework. Signed-off-by: Laxman Dewangan Acked-by: Rob Herring --- .../devicetree/bindings/gpio/gpio-max77620.txt | 25 ++++++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/gpio/gpio-max77620.txt diff --git a/Documentation/devicetree/bindings/gpio/gpio-max77620.txt b/Documentation/devicetree/bindings/gpio/gpio-max77620.txt new file mode 100644 index 0000000..410e716 --- /dev/null +++ b/Documentation/devicetree/bindings/gpio/gpio-max77620.txt @@ -0,0 +1,25 @@ +GPIO driver for MAX77620 Power management IC from Maxim Semiconductor. + +Device has 8 GPIO pins which can be configured as GPIO as well as the +special IO functions. + +Required properties: +------------------- +- gpio-controller : Marks the device node as a gpio controller. +- #gpio-cells : Should be two. The first cell is the pin number and + the second cell is used to specify the gpio polarity: + 0 = active high + 1 = active low +For more details, please refer generic GPIO DT binding document +. + +Example: +-------- +#include +... +max77620@3c { + compatible = "maxim,max77620"; + + gpio-controller; + #gpio-cells = <2>; +}; -- 2.1.4