Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3512EC64EC4 for ; Fri, 17 Feb 2023 12:42:20 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230061AbjBQMmT (ORCPT ); Fri, 17 Feb 2023 07:42:19 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44688 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229809AbjBQMmP (ORCPT ); Fri, 17 Feb 2023 07:42:15 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.153.233]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 32A7A6607E; Fri, 17 Feb 2023 04:42:14 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1676637734; x=1708173734; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=egnooPJpNM4o/gc+8fNo8gZUG2pwChKFBH3+nnb+9yo=; b=m1bKx1amD5fEm9qfWXuoocpz/fnVBHt4RVdm9XjjnCMPBI9IGju2Fq59 lB3cPCViNstj0cZkFXwLrzGCHlh5RU+PZm4ibFl1eJd8NkDD+1u49F1T4 3Kuo+K8qzKyR+yQJDE6tGzEAhVzHOcY+S4+vHwhRaaVQrNGB4kqJqXTj5 44/sQy6NP75LX3mZGr+JZXAEQM8tWmUdxHfijseU4N8szJRN7iFrZVZLQ zpppazZ2BErsZLTmyImoCgDn8Uv4mKtnLJmAg1MKbzgyBE0f6H/H57DNU 2fZc0DrP363cTB5g9CQ6V4QJrKeGM/6N8sAJOL9kzgyw3/L/+QG+OVWeU w==; X-IronPort-AV: E=Sophos;i="5.97,304,1669100400"; d="scan'208";a="212504683" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa1.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 17 Feb 2023 05:42:13 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex02.mchp-main.com (10.10.85.144) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Fri, 17 Feb 2023 05:42:13 -0700 Received: from m18063-ThinkPad-T460p.mchp-main.com (10.10.115.15) by chn-vm-ex01.mchp-main.com (10.10.85.143) with Microsoft SMTP Server id 15.1.2507.16 via Frontend Transport; Fri, 17 Feb 2023 05:42:08 -0700 From: Claudiu Beznea To: , , , , , , , CC: , , , , Claudiu Beznea , Krzysztof Kozlowski Subject: [PATCH v2 2/3] ASoC: dt-bindings: sama7g5-pdmc: add microchip,startup-delay-us binding Date: Fri, 17 Feb 2023 14:41:50 +0200 Message-ID: <20230217124151.236216-3-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230217124151.236216-1-claudiu.beznea@microchip.com> References: <20230217124151.236216-1-claudiu.beznea@microchip.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add microchip,startup-delay-us binding to let PDMC users to specify startup delay. Signed-off-by: Claudiu Beznea Reviewed-by: Krzysztof Kozlowski --- .../devicetree/bindings/sound/microchip,sama7g5-pdmc.yaml | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/Documentation/devicetree/bindings/sound/microchip,sama7g5-pdmc.yaml b/Documentation/devicetree/bindings/sound/microchip,sama7g5-pdmc.yaml index c4cf1e5ab84b..9b40268537cb 100644 --- a/Documentation/devicetree/bindings/sound/microchip,sama7g5-pdmc.yaml +++ b/Documentation/devicetree/bindings/sound/microchip,sama7g5-pdmc.yaml @@ -67,6 +67,12 @@ properties: maxItems: 4 uniqueItems: true + microchip,startup-delay-us: + description: | + Specifies the delay in microseconds that needs to be applied after + enabling the PDMC microphones to avoid unwanted noise due to microphones + not being ready. + required: - compatible - reg -- 2.34.1