From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0FC89C04AAC for ; Mon, 20 May 2019 13:48:42 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id D81D821479 for ; Mon, 20 May 2019 13:48:41 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Nicb4D2D"; dkim=fail reason="signature verification failed" (2048-bit key) header.d=baylibre-com.20150623.gappssmtp.com header.i=@baylibre-com.20150623.gappssmtp.com header.b="ECz4Hpcn" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D81D821479 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=baylibre.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=lfaCo+Khc411UGSmYNQcTIG40oXeVjNFMgIhyLF0OC4=; b=Nicb4D2DehkkcO H2hmrbKEbaJZddilas1JiomyBH3P19Hc2ZH/Nrw1W/wEvQVj05NWLVrgrmvl4U+6w1pqMEdnxcMod mULxlCEvRqoq51WhbR/M1YCAW2DAhavjhKcL/iyuaq4a1nm57kPqxNjAyK8DeDzFDzFAdCJhWlL8C lyBZGrYXGt1jbmuCGGyLOT3j6e+7dOCCT4ugar5LsvJT1L8CaU3q1SgeuKEplUUfotHjKgIS0Dh6j ISEegjwparr0af8ZiahZqZEmaBiB+8x2Fl48uJbFm9IQ/idZz0L6NmGwUQ8GJcdXxeS67fX8Hx8Uc 51iqtndE3aKjcHNQ8DFQ==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1hSieb-0001Y5-6a; Mon, 20 May 2019 13:48:37 +0000 Received: from mail-wr1-x442.google.com ([2a00:1450:4864:20::442]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1hSieQ-0001KY-W2 for linux-amlogic@lists.infradead.org; Mon, 20 May 2019 13:48:29 +0000 Received: by mail-wr1-x442.google.com with SMTP id g12so14413318wro.8 for ; Mon, 20 May 2019 06:48:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=baylibre-com.20150623.gappssmtp.com; s=20150623; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=WgQQkRup1RP/+DNyWfqO+Epqum0KCIs3YroTyrmMm+M=; b=ECz4HpcncgSFwRp81ULoGgyzEIf01j7MVMVLUZs5icfIEXRflAb/GdIZWzBcr1afr/ WM6xeLK2gQpzHdGOjHFjxZoVP8gTIryAKKa6EUxoGNw7r+rXxtAMkPaNkUAzEfWikVh4 9lGze587fgpcG71LRQ5fv3KjqmA3GizDMCnzJwrHsZ49sUaM33yumda5F1Z9HoR47goe 3pWjQg9XGdwFRxHhxphQAeKvU8UZfYDiA75fbivygOL7h+iJzzckvEaE7f6Y+kQdtLcq pLT015MGQzFCjpLqAN/abu/1p9WpcJbyTEaUZz8tSRRCtpw3ogSH1vxoDjYxasMSBQCV +Zsw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=WgQQkRup1RP/+DNyWfqO+Epqum0KCIs3YroTyrmMm+M=; b=d1CSZwTNIihUSQPmnCSM2aG6l7CT0LjtIdSBVMh1bztlgT7tY+BQwXE4RJvuC88nKK c3aD6Sx+T1V6h+6PmqrvEXRBSxrXqhBtUniBFww/YNA1G7W7Za8W3q5x8xTHoStwP15y 14TmWkOr/UtOHmi5MGK7Q714z5nwfvwKmoSMWlYeBASQ5ZLssCcbTOxDI/jlMqDGhjo3 cWR17Xd+ffftnCBS1jmYPAavcucl9NevoPQgcfMFCXVas80CMTFkX9Q/bSnGy/7gEPVU P/POg6wNFKlPYapQFv7tWn7x052T0GJz5KF1ipQRgMuzVfWCTQUfIoPA59/Ynz3QSxQ6 xVfQ== X-Gm-Message-State: APjAAAXe3cXSetaBB0AZVhiEYksTfJwG5RMchfeJXDLImY7jajcf6828 yuJNlZj7Z7SXVEFdgx3muroRIroyRG9reg== X-Google-Smtp-Source: APXvYqz03Oc3TW8sF7k3k7ydP3/3Hz99odDAm9g4tJMrQuAYQOPdZACa3NTVTLiwAg2Y0+KJDpcBug== X-Received: by 2002:adf:f049:: with SMTP id t9mr25662404wro.17.1558360105562; Mon, 20 May 2019 06:48:25 -0700 (PDT) Received: from bender.baylibre.local (lmontsouris-657-1-212-31.w90-63.abo.wanadoo.fr. [90.63.244.31]) by smtp.gmail.com with ESMTPSA id h12sm12091358wre.14.2019.05.20.06.48.24 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 20 May 2019 06:48:24 -0700 (PDT) From: Neil Armstrong To: khilman@baylibre.com Subject: [PATCH 1/3] arm64: dts: meson: g12a: add drive-strength hdmi ddc pins Date: Mon, 20 May 2019 15:48:15 +0200 Message-Id: <20190520134817.25435-2-narmstrong@baylibre.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20190520134817.25435-1-narmstrong@baylibre.com> References: <20190520134817.25435-1-narmstrong@baylibre.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190520_064827_029777_8582D346 X-CRM114-Status: UNSURE ( 9.73 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-amlogic@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-amlogic@lists.infradead.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Neil Armstrong Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-amlogic" Errors-To: linux-amlogic-bounces+linux-amlogic=archiver.kernel.org@lists.infradead.org With the default boot settings, the DDC drive strength is too weak, set the driver-strengh to 4mA to avoid errors on the DDC line. Signed-off-by: Neil Armstrong --- arch/arm64/boot/dts/amlogic/meson-g12a.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi index 5b4942c73e65..aa678d92238b 100644 --- a/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi +++ b/arch/arm64/boot/dts/amlogic/meson-g12a.dtsi @@ -327,6 +327,7 @@ "hdmitx_sck"; function = "hdmitx"; bias-disable; + drive-strength-microamp = <4000>; }; }; -- 2.21.0 _______________________________________________ linux-amlogic mailing list linux-amlogic@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-amlogic