Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752685AbdHKHbm (ORCPT ); Fri, 11 Aug 2017 03:31:42 -0400 Received: from mail-pg0-f67.google.com ([74.125.83.67]:32803 "EHLO mail-pg0-f67.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752659AbdHKHbk (ORCPT ); Fri, 11 Aug 2017 03:31:40 -0400 From: Lin Huang To: broonie@kernel.org, arnaud.pouliquen@st.com, dgreif@chromium.org Cc: perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org, briannorris@chromium.org, dianders@chromium.org, lgirdwood@gmail.com, Lin Huang Subject: [PATCH 2/2] dt-bindings: sound: add dmicen property in dmic driver Date: Fri, 11 Aug 2017 15:31:29 +0800 Message-Id: <1502436689-21123-2-git-send-email-hl@rock-chips.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1502436689-21123-1-git-send-email-hl@rock-chips.com> References: <1502436689-21123-1-git-send-email-hl@rock-chips.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 847 Lines: 27 there may use enable pin to control dmic start and stop, so add this property in dt-bindings. Signed-off-by: Lin Huang --- Documentation/devicetree/bindings/sound/dmic.txt | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/dmic.txt b/Documentation/devicetree/bindings/sound/dmic.txt index a0c58f2..54c8ef6 100644 --- a/Documentation/devicetree/bindings/sound/dmic.txt +++ b/Documentation/devicetree/bindings/sound/dmic.txt @@ -5,8 +5,12 @@ This device support generic PDM digital microphone. Required properties: - compatible: should be "dmic-codec". +Optional properties: + - dmicen-gpios: GPIO specifier for dmic to control start and stop + Example node: dmic_codec: dmic@0 { compatible = "dmic-codec"; + dmicen-gpios = <&gpio4 3 GPIO_ACTIVE_HIGH>; }; -- 2.7.4