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=-6.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,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 D88B2C2BB55 for ; Thu, 16 Apr 2020 13:59:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B50BC217D8 for ; Thu, 16 Apr 2020 13:59:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587045554; bh=IFWJtKO8b6hb9xBju8DtQHaiyO8+G0f/3xvR3wpJ/4I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=IjNLatS5qLVwY4pPxUpUNuVGcd8UNmco8b3wykyyAPjpIrhlQScf7vaOWZB83u0Cd JrlmJA2GyAKO8CCwypXZuRorsrX+yTS3TewWLFzwFzNJ4opjctUrzo0XLq5NN7+j2J LNiXbvGP7oFm4+PT4LcZjSZma2MmmgT5OPJZdICM= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2898821AbgDPN7M (ORCPT ); Thu, 16 Apr 2020 09:59:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:52458 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2898029AbgDPNj5 (ORCPT ); Thu, 16 Apr 2020 09:39:57 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id DA5DF218AC; Thu, 16 Apr 2020 13:39:56 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1587044397; bh=IFWJtKO8b6hb9xBju8DtQHaiyO8+G0f/3xvR3wpJ/4I=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=cHYVQCth3xyMVRXxTodAtOKUhDqGFIqYC6ffgcvMUuBLPtlMHluRNvZE8gfw8Mq8w 2WlEiWKIQ2L7uWzeUqAHaTEjtnRtQ7mp8V9LvckcodINJjADwXDsB9/glf4+Ll/HS6 NWcS6pbf4sHP4YzVYQ9T2OL68jAsCiajSON1krHo= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Marek Szyprowski , Andrzej Hajda , Krzysztof Kozlowski Subject: [PATCH 5.5 199/257] ARM: dts: exynos: Fix polarity of the LCD SPI bus on UniversalC210 board Date: Thu, 16 Apr 2020 15:24:10 +0200 Message-Id: <20200416131350.996178690@linuxfoundation.org> X-Mailer: git-send-email 2.26.1 In-Reply-To: <20200416131325.891903893@linuxfoundation.org> References: <20200416131325.891903893@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Marek Szyprowski commit 32a1671ff8e84f0dfff3a50d4b2091d25e91f5e2 upstream. Recent changes in the SPI core and the SPI-GPIO driver revealed that the GPIO lines for the LD9040 LCD controller on the UniversalC210 board are defined incorrectly. Fix the polarity for those lines to match the old behavior and hardware requirements to fix LCD panel operation with recent kernels. Cc: # 5.0.x Signed-off-by: Marek Szyprowski Reviewed-by: Andrzej Hajda Signed-off-by: Krzysztof Kozlowski Signed-off-by: Greg Kroah-Hartman --- arch/arm/boot/dts/exynos4210-universal_c210.dts | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) --- a/arch/arm/boot/dts/exynos4210-universal_c210.dts +++ b/arch/arm/boot/dts/exynos4210-universal_c210.dts @@ -115,7 +115,7 @@ gpio-sck = <&gpy3 1 GPIO_ACTIVE_HIGH>; gpio-mosi = <&gpy3 3 GPIO_ACTIVE_HIGH>; num-chipselects = <1>; - cs-gpios = <&gpy4 3 GPIO_ACTIVE_HIGH>; + cs-gpios = <&gpy4 3 GPIO_ACTIVE_LOW>; lcd@0 { compatible = "samsung,ld9040"; @@ -124,8 +124,6 @@ vci-supply = <&ldo17_reg>; reset-gpios = <&gpy4 5 GPIO_ACTIVE_HIGH>; spi-max-frequency = <1200000>; - spi-cpol; - spi-cpha; power-on-delay = <10>; reset-delay = <10>; panel-width-mm = <90>;