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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD7B2C07E8C for ; Tue, 15 Aug 2023 15:45:53 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238245AbjHOPpY (ORCPT ); Tue, 15 Aug 2023 11:45:24 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49186 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238191AbjHOPo7 (ORCPT ); Tue, 15 Aug 2023 11:44:59 -0400 Received: from mail-pf1-x42b.google.com (mail-pf1-x42b.google.com [IPv6:2607:f8b0:4864:20::42b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0A785E72 for ; Tue, 15 Aug 2023 08:44:59 -0700 (PDT) Received: by mail-pf1-x42b.google.com with SMTP id d2e1a72fcca58-68859ba3a93so378274b3a.1 for ; Tue, 15 Aug 2023 08:44:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; t=1692114298; x=1692719098; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=tA3QjSCigQ8q8wip9gFTKQkaEIdBJK1A3l6+t1K7Bv0=; b=ejBR2jtUerzx5wnrj86G8N+bYfois34YCppqR75oLTPLq7/QzDutph+WKgbHb9TqkQ BRwskwQ64WTnA2SvrsJQrwU2R/Yf0P8FKH2BrA2mU1DIq1lqfoHLYujw3hlFqPKexAE0 PjCMKLHX9eH8M7wWAqubZGqfJFjytNf2qHyGE= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1692114298; x=1692719098; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=tA3QjSCigQ8q8wip9gFTKQkaEIdBJK1A3l6+t1K7Bv0=; b=C/pw1J3Bn7B/0uLCA2tm4JcNI8l46U63PFS2qpSTx5M2IHRhksRQScKztu1ruF7TQJ UTXVUM2GU3YkZO8qs3p1jwSaEgZa6PPuxWI3BWaUQMaqnJR+ev/T/I/W/UtyaGrBJ0R7 PwwDZWfUmZsHAuJQnlmxXHEU3MpXskhd1qpVXurzySLNDK45CJvvF1dx3BoQ6qkUxoRA SZjd8F40scKj9DsudhSVKuBC7zMXtB6QTltthqyFtutykYCbo65QJLWsD61iiZGZmQtj zXwnmeB+1jQdcd4fNmdwKrevyKbDbZDVJtNPtUx3PdZwACP7DsuE6ZKzyzTB4L7JA+oU Sf+A== X-Gm-Message-State: AOJu0Ywa9Aqv82rmjplDKoe2jCynm474UHUdjd4xRihWz3OoCb2oJQhA XmjGOAzZWy/EvXbO9mTKImm05g== X-Google-Smtp-Source: AGHT+IG+MhhXs3J/eE7KIJtSsSOonQIqrRHLUlpGdM77zZQi1lncYBUpQPdXQrlw7WkocLYr2AbghA== X-Received: by 2002:a05:6a00:2305:b0:687:2fa9:532d with SMTP id h5-20020a056a00230500b006872fa9532dmr11655270pfh.17.1692114298463; Tue, 15 Aug 2023 08:44:58 -0700 (PDT) Received: from hsinyi-z840.tpe.corp.google.com ([2401:fa00:1:10:40cf:3807:f8c8:2d76]) by smtp.gmail.com with ESMTPSA id n13-20020aa78a4d000000b0065e154bac6dsm9431247pfa.133.2023.08.15.08.44.55 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Aug 2023 08:44:58 -0700 (PDT) From: Hsin-Yi Wang To: Tudor Ambarus , Krzysztof Kozlowski , Conor Dooley , Matthias Brugger , Bjorn Andersson Cc: Pratyush Yadav , Michael Walle , "Miquel Raynal )" , "Richard Weinberger )" , "Vignesh Raghavendra )" , Rob Herring , linux-mtd@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, AngeloGioacchino Del Regno , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, cros-qcom-dts-watchers@chromium.org, Andy Gross , Konrad Dybcio Subject: [PATCH 3/4] arm64: dts: mediatek: mt8183: disable quad mode for spi nor Date: Tue, 15 Aug 2023 23:31:54 +0800 Message-ID: <20230815154412.713846-4-hsinyi@chromium.org> X-Mailer: git-send-email 2.41.0.694.ge786442a9b-goog In-Reply-To: <20230815154412.713846-1-hsinyi@chromium.org> References: <20230815154412.713846-1-hsinyi@chromium.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Some of the SKUs are using gigadevice gd25lq64c flash chip. The chip default enables quad mode, which results in the write protect pin set to IO pin. In mt8183 kukui, we won't use quad enable for all SKUs, so apply the property to disable spi nor's quad mode. Signed-off-by: Hsin-Yi Wang --- arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi index 6ce16a265e053..8e4761e2b8ff4 100644 --- a/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi +++ b/arch/arm64/boot/dts/mediatek/mt8183-kukui.dtsi @@ -877,6 +877,7 @@ w25q64dw: flash@0 { compatible = "winbond,w25q64dw", "jedec,spi-nor"; reg = <0>; spi-max-frequency = <25000000>; + disable-quad-mode; }; }; -- 2.41.0.694.ge786442a9b-goog