From patchwork Fri Dec 9 08:33:38 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Alexander Stein X-Patchwork-Id: 13069372 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 gabe.freedesktop.org (gabe.freedesktop.org [131.252.210.177]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B7A45C4332F for ; Fri, 9 Dec 2022 08:34:21 +0000 (UTC) Received: from gabe.freedesktop.org (localhost [127.0.0.1]) by gabe.freedesktop.org (Postfix) with ESMTP id CC69710E4F9; Fri, 9 Dec 2022 08:34:02 +0000 (UTC) Received: from mx1.tq-group.com (mx1.tq-group.com [93.104.207.81]) by gabe.freedesktop.org (Postfix) with ESMTPS id BEE1810E4F9 for ; Fri, 9 Dec 2022 08:33:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1670574830; x=1702110830; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=luhwqP615gaIKUHkckaMaynP8Q6kPKzrxxIa8K9DBHA=; b=FrdVyamlLppZeYRTNy2LAsET4RVaX92FVd1XFWcV4d7ksdqGMSDG8pSv kOGKOSGh7dEW4XYizkHIlI6AP+QFbDGDHjDFckSBnQ9Qgp+GOHxQSr6/U FwFjt9R8TwhJ63qZTnyElMZjt8B1kne5zTit6ZZh3waMotvcvYTUUuCfU ALQvQX/NUp8a7zrpnHbQ6SPzyiN/YaTz7YwTIVj2jksMJXA/xYiMfwx9C OZQgsNoOjki2wKiAmwXp+Bq9ZztN2pMy9J2hHBdBhqeUOYrapEavJdZ+m o4iJZzQnNRRyv2sN7mFjbEVMwc+tBmt02l6XO53hCbzs2HptELZu4MT6L Q==; X-IronPort-AV: E=Sophos;i="5.96,230,1665439200"; d="scan'208";a="27857152" Received: from unknown (HELO tq-pgp-pr1.tq-net.de) ([192.168.6.15]) by mx1-pgp.tq-group.com with ESMTP; 09 Dec 2022 09:33:47 +0100 Received: from mx1.tq-group.com ([192.168.6.7]) by tq-pgp-pr1.tq-net.de (PGP Universal service); Fri, 09 Dec 2022 09:33:47 +0100 X-PGP-Universal: processed; by tq-pgp-pr1.tq-net.de on Fri, 09 Dec 2022 09:33:47 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=tq-group.com; i=@tq-group.com; q=dns/txt; s=key1; t=1670574827; x=1702110827; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=luhwqP615gaIKUHkckaMaynP8Q6kPKzrxxIa8K9DBHA=; b=EWMMD5Tu+d4kwwTJ5UTLE9HHPazaYNiGjw72Gsyv/IvccQRwX455jsj5 d+xFG/NdwrXJ4riNbCiYN98QMH5SOzfGwsS3qQODq28AQ6DTT7PPvdRSw uinhkUzO2BhHuUQfrDCqspJOPsm75RSBI5oy7EbiRc7g/TrguaakgiNTg ++gMTroK2v7QQTBJ7ryz+OaowDNGCRQ6TbV0gullKXu9ipxI1CS8M2ZNq 2u76lEsshCl6+SjOQ3W68JzaP2J1b8n2h2wsuXYDiNw7gZBPs0H1o3vhl N9brsvQTIbJyEdpSu5g31FiecPIOdm4+YG7BeuzPp3HXtHOwh0EW5XtU7 A==; X-IronPort-AV: E=Sophos;i="5.96,230,1665439200"; d="scan'208";a="27857146" Received: from vtuxmail01.tq-net.de ([10.115.0.20]) by mx1.tq-group.com with ESMTP; 09 Dec 2022 09:33:46 +0100 Received: from steina-w.tq-net.de (unknown [10.123.53.21]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)) (No client certificate requested) by vtuxmail01.tq-net.de (Postfix) with ESMTPSA id C79EA280072; Fri, 9 Dec 2022 09:33:45 +0100 (CET) From: Alexander Stein To: Andrzej Hajda , Neil Armstrong , Robert Foss , Laurent Pinchart , Jonas Karlman , Jernej Skrabec , David Airlie , Daniel Vetter , Rob Herring , Krzysztof Kozlowski Subject: [PATCH 1/2] dt-bindings: drm/bridge: ti-sn65dsi83: Add enable delay property Date: Fri, 9 Dec 2022 09:33:38 +0100 Message-Id: <20221209083339.3780776-2-alexander.stein@ew.tq-group.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221209083339.3780776-1-alexander.stein@ew.tq-group.com> References: <20221209083339.3780776-1-alexander.stein@ew.tq-group.com> MIME-Version: 1.0 X-BeenThere: dri-devel@lists.freedesktop.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Direct Rendering Infrastructure - Development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Alexander Stein , Marek Vasut , dri-devel@lists.freedesktop.org, Frieder Schrempf , devicetree@vger.kernel.org Errors-To: dri-devel-bounces@lists.freedesktop.org Sender: "dri-devel" It takes some time until the enable GPIO has settled when turning on. This delay is platform specific and may be caused by e.g. voltage shifts, capacitors etc. Signed-off-by: Alexander Stein --- .../devicetree/bindings/display/bridge/ti,sn65dsi83.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml index 48a97bb3e2e0d..3f50d497cf8ac 100644 --- a/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml +++ b/Documentation/devicetree/bindings/display/bridge/ti,sn65dsi83.yaml @@ -32,6 +32,10 @@ properties: maxItems: 1 description: GPIO specifier for bridge_en pin (active high). + ti,enable-delay-us: + default: 10000 + description: Enable time delay for enable-gpios + vcc-supply: description: A 1.8V power supply (see regulator/regulator.yaml).