From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S939288AbdAFCpC (ORCPT ); Thu, 5 Jan 2017 21:45:02 -0500 Received: from vern.gendns.com ([206.190.152.46]:56119 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754290AbdAFCoA (ORCPT ); Thu, 5 Jan 2017 21:44:00 -0500 From: David Lechner To: Dmitry Torokhov , Rob Herring , Mark Rutland Cc: David Lechner , linux-input@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 2/3] dt-bindings: Input: Add enable-gpios to pwm-beeper Date: Thu, 5 Jan 2017 20:43:53 -0600 Message-Id: <1483670635-25060-3-git-send-email-david@lechnology.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1483670635-25060-1-git-send-email-david@lechnology.com> References: <1483670635-25060-1-git-send-email-david@lechnology.com> X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - vern.gendns.com X-AntiAbuse: Original Domain - vger.kernel.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - lechnology.com X-Get-Message-Sender-Via: vern.gendns.com: authenticated_id: davidmain+lechnology.com/only user confirmed/virtual account not confirmed X-Authenticated-Sender: vern.gendns.com: davidmain@lechnology.com X-Source: X-Source-Args: X-Source-Dir: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This adds an optional enable-gpios property to pwm-beeper. This gpio is used to enable the beeper. For example, the beeper may have an amplifier that needs to be switched on. Signed-off-by: David Lechner --- Documentation/devicetree/bindings/input/pwm-beeper.txt | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/Documentation/devicetree/bindings/input/pwm-beeper.txt b/Documentation/devicetree/bindings/input/pwm-beeper.txt index be332ae..1c6bcf8 100644 --- a/Documentation/devicetree/bindings/input/pwm-beeper.txt +++ b/Documentation/devicetree/bindings/input/pwm-beeper.txt @@ -5,3 +5,14 @@ Registers a PWM device as beeper. Required properties: - compatible: should be "pwm-beeper" - pwms: phandle to the physical PWM device + +Optional properties: +- enable-gpios: phandle to gpio to enable the beeper + +Example: + +beeper { + compatible = "pwm-beeper"; + pwms = <&pwm0>; + enable-gpios = <&gpio0 1 GPIO_ACTIVE_LOW>; +}; -- 2.7.4