From patchwork Tue Sep 13 16:41:03 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Torokhov X-Patchwork-Id: 12974983 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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 6FFE3C54EE9 for ; Tue, 13 Sep 2022 16:46:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=PeBflY0urff+O+MOx9WaQU2uXWMEGnUihs3F4TXaNmE=; b=sk4HVGz5VkoRee d3eU1ARR6GyzwJ/XmKXxOrLSVFAlFCKPkUGJVCcpTmZXn4Pl6Am0fVEI4xIXuRcjdO4i7z5eXuTph c0PJKJ8ds9FJwJQG26WIHMM0C4mA7hpQCqRkLrxq1TCoPghoDiM2ZljQ49TAAmZhh6AEeYJF/xWEj dUB90T3WdhPWSoJ61surnYUuCYVjBlyomBqZi2qtt/xLgtl+rdfRBKsCD9ODzmP1Li0ECLT6+nkR1 qwB6+og3q0Q51++M5pdFQLlnwv9QhxLi4J67DXa33sX7nKx5t3n+XLGzGUlf8I/98wUP+7kpQ90J0 VNyX/DFoWZLIzxfA794Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oY91w-00DWf6-Qq; Tue, 13 Sep 2022 16:45:01 +0000 Received: from mail-pj1-x102d.google.com ([2607:f8b0:4864:20::102d]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oY8yF-00DU2Q-8b for linux-arm-kernel@lists.infradead.org; Tue, 13 Sep 2022 16:41:12 +0000 Received: by mail-pj1-x102d.google.com with SMTP id x1-20020a17090ab00100b001fda21bbc90so16182335pjq.3 for ; Tue, 13 Sep 2022 09:41:09 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date; bh=A2Rj9sS1Fjs/+fiIRS4OKQZgMWnN/d2vmPGQj8QoUOc=; b=JoxbvLwkdMyeGanYCTnaRBN2DRM/rPM8P6QeFl2hBucjmx5QFD+IBAOb5AlnDmCVWZ 2mrTN3uilrdOUaEUHxWOxkPLJD32AGcC8WTtVbxtbbB/JgwczNJoF6JohCYAq+Qog00B UKl9dy+sY/mAhgB+CG0h/G1dpMLKvVKfMTvNKWm9LpWjz+bGce/Wf1SShTCo8vXAg8iJ 5yl8Jxe02gHo5XL8P5fP2fFXgKvsQWAZ6KhIxUFrjozvb+TWWrnfTNH9YljiEnhpip8u EoEMc83Zeu9CKRPTG5X6Ll0dCKlH9HGrUxV9y1/krNA11TARNDE39MHs9sPiNXOM9TBv EJUA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date; bh=A2Rj9sS1Fjs/+fiIRS4OKQZgMWnN/d2vmPGQj8QoUOc=; b=qTpKbLg1/juoLA50NkOt0V+FicxkPsCh5esOrL1sfv0N6ZNrB13/NvS2kaxe8gi7x2 tECNKoi3fSBJQbYou+mWO6lzzjqTqzfDjDA/Shf8xpxGelfMbp6AmiComIJEqHB6+2zd xBJ40Vq+JvqfW6yB6SJK/7U5/AAmNJ+7PemYjDuVsMWIzioHiL05LoS9x2dHFrXc+JKG 44OUIvO3PjAhDMMJfjqoZQE3iU8ZLWrlaffgN2EK6hySci1z+iq81A5VwKHKVYA5rm8h kC6Zax7CWEUUgRRVVebmH0mniQ9QXvAfvWNCwcQbVWf68GYhGNgvrlCbonO7eGK4Ndtg z4qg== X-Gm-Message-State: ACgBeo1UYQV6annlC/AdYYKPc+D0MS4WFVO4wJ69mdrDrVG3vd/EE032 Z0hgXc+22pEhJrjQXdHOGzA= X-Google-Smtp-Source: AA6agR5F+IVKnrECVDn3p+yIBcUysGjy3zydDPF8816rl1m7DIno6uJ83cFOyLfmocT/NP3Gff/JGA== X-Received: by 2002:a17:902:8d8a:b0:16f:21fb:b97a with SMTP id v10-20020a1709028d8a00b0016f21fbb97amr32266273plo.160.1663087268831; Tue, 13 Sep 2022 09:41:08 -0700 (PDT) Received: from dtor-ws.mtv.corp.google.com ([2620:15c:202:201:b126:15e1:55ae:d9eb]) by smtp.gmail.com with ESMTPSA id g3-20020aa79f03000000b005465ffaa89dsm1798449pfr.184.2022.09.13.09.41.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 13 Sep 2022 09:41:08 -0700 (PDT) From: Dmitry Torokhov To: Mauro Carvalho Chehab , Alim Akhtar , Krzysztof Kozlowski , Linus Walleij Cc: linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-samsung-soc@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] ARM: dts: exynos: correct s5k6a3 reset polarity on Midas family Date: Tue, 13 Sep 2022 09:41:03 -0700 Message-Id: <20220913164104.203957-1-dmitry.torokhov@gmail.com> X-Mailer: git-send-email 2.37.2.789.g6183377224-goog MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220913_094111_493691_72A528F7 X-CRM114-Status: GOOD ( 15.64 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org According to s5k6a3 driver code, the reset line for the chip appears to be active low. This also matches the typical polarity of reset lines in general. Let's fix it up as having correct polarity in DTS is important when the driver will be switched over to gpiod API. Fixes: b4fec64758ab ("ARM: dts: Add camera device nodes for Exynos4412 TRATS2 board") Signed-off-by: Dmitry Torokhov Reviewed-by: Linus Walleij --- arch/arm/boot/dts/exynos4412-midas.dtsi | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/arm/boot/dts/exynos4412-midas.dtsi b/arch/arm/boot/dts/exynos4412-midas.dtsi index b967397a46c5..8e1c19a8ad06 100644 --- a/arch/arm/boot/dts/exynos4412-midas.dtsi +++ b/arch/arm/boot/dts/exynos4412-midas.dtsi @@ -586,7 +586,7 @@ image-sensor@10 { clocks = <&camera 1>; clock-names = "extclk"; samsung,camclk-out = <1>; - gpios = <&gpm1 6 GPIO_ACTIVE_HIGH>; + gpios = <&gpm1 6 GPIO_ACTIVE_LOW>; port { is_s5k6a3_ep: endpoint {