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 7D423C61DA4 for ; Tue, 14 Feb 2023 16:17:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232197AbjBNQRP (ORCPT ); Tue, 14 Feb 2023 11:17:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59516 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232007AbjBNQRF (ORCPT ); Tue, 14 Feb 2023 11:17:05 -0500 Received: from esa.microchip.iphmx.com (esa.microchip.iphmx.com [68.232.154.123]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EED51F5F0; Tue, 14 Feb 2023 08:17:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=microchip.com; i=@microchip.com; q=dns/txt; s=mchp; t=1676391423; x=1707927423; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=VchhvhX3Fzn+lpKQ+32W3d8wPFXXJZL6OWRPzobNePE=; b=w3oY8zjLcaVewfoDJh8j1G8GJnr+/yAl6FxxzIdfJwT9PPgueyDfY0k0 lI32DDfttIUjN792+RmQBnMZFaS64b2isPgs4HBdI35tj1SmL3WziPSp4 rh3zDIA1y1ZVldYvqDa0foqZS9gimXLp6ciDuKG8GdJ6y+cSBJBH21ops SRiBjaA4cSTFG+C237mUt9Tt1OWfzAb3dJzYiu6ui2Gh8FRh1hN0RuCGp /Q9vDLMWaMPRBkUEn7zpKgeLC30q/nil8noEPLCdvL4f8rRz2CBEvZtWm pVeHnkZbpLGLl8vMgn9h94B9pVWESl26+AFbhax1MNGg41pNali6Ut11f g==; X-IronPort-AV: E=Sophos;i="5.97,297,1669100400"; d="scan'208";a="137145391" Received: from unknown (HELO email.microchip.com) ([170.129.1.10]) by esa6.microchip.iphmx.com with ESMTP/TLS/AES256-SHA256; 14 Feb 2023 09:17:02 -0700 Received: from chn-vm-ex01.mchp-main.com (10.10.85.143) by chn-vm-ex03.mchp-main.com (10.10.85.151) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.16; Tue, 14 Feb 2023 09:17:03 -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; Tue, 14 Feb 2023 09:16:58 -0700 From: Claudiu Beznea To: , , , , , , , , CC: , , , , Claudiu Beznea Subject: [PATCH 2/3] ASoC: dt-bindings: sama7g5-pdmc: add microchip,startup-delay-us binding Date: Tue, 14 Feb 2023 18:14:34 +0200 Message-ID: <20230214161435.1088246-3-claudiu.beznea@microchip.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230214161435.1088246-1-claudiu.beznea@microchip.com> References: <20230214161435.1088246-1-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 --- .../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