From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Lechner Subject: [PATCH v2 2/3] dt-bindings: Input: Add optional amp-supply property to pwm-beeper Date: Wed, 11 Jan 2017 14:02:00 -0600 Message-ID: <1484164921-30587-3-git-send-email-david@lechnology.com> References: <1484164921-30587-1-git-send-email-david@lechnology.com> Return-path: Received: from vern.gendns.com ([206.190.152.46]:49955 "EHLO vern.gendns.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757355AbdAKUCT (ORCPT ); Wed, 11 Jan 2017 15:02:19 -0500 In-Reply-To: <1484164921-30587-1-git-send-email-david@lechnology.com> Sender: linux-input-owner@vger.kernel.org List-Id: linux-input@vger.kernel.org To: linux-input@vger.kernel.org, devicetree@vger.kernel.org Cc: David Lechner , Dmitry Torokhov , Rob Herring , Mark Rutland , linux-kernel@vger.kernel.org This adds an optional amp-supply property to pwm-beeper. This is a regulator that acts as an amplifier for the beeper. Signed-off-by: David Lechner --- Documentation/devicetree/bindings/input/pwm-beeper.txt | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Documentation/devicetree/bindings/input/pwm-beeper.txt b/Documentation/devicetree/bindings/input/pwm-beeper.txt index be332ae..529408b 100644 --- a/Documentation/devicetree/bindings/input/pwm-beeper.txt +++ b/Documentation/devicetree/bindings/input/pwm-beeper.txt @@ -5,3 +5,19 @@ Registers a PWM device as beeper. Required properties: - compatible: should be "pwm-beeper" - pwms: phandle to the physical PWM device + +Optional properties: +- amp-supply: phandle to a regulator that acts as an amplifier for the beeper + +Example: + +beeper_amp: amplifier { + compatible = "fixed-regulator"; + gpios = <&gpio0 1 GPIO_ACTIVE_HIGH>; +}; + +beeper { + compatible = "pwm-beeper"; + pwms = <&pwm0>; + amp-supply = <&beeper_amp>; +}; -- 2.7.4