From nobody Fri Feb 13 23:30:06 2026 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 A15A7CE79AD for ; Wed, 20 Sep 2023 06:40:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233367AbjITGkd (ORCPT ); Wed, 20 Sep 2023 02:40:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:34994 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233350AbjITGk3 (ORCPT ); Wed, 20 Sep 2023 02:40:29 -0400 Received: from mail-ot1-x32e.google.com (mail-ot1-x32e.google.com [IPv6:2607:f8b0:4864:20::32e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 49F0DC6; Tue, 19 Sep 2023 23:40:23 -0700 (PDT) Received: by mail-ot1-x32e.google.com with SMTP id 46e09a7af769-6bee392fe9dso4081302a34.1; Tue, 19 Sep 2023 23:40:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1695192022; x=1695796822; darn=vger.kernel.org; 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=HvjyR1db7d2pAH1Oe6CLGqKy2lWY6VTA87peNvZDQh4=; b=bKTSTe3DNPtEnSrDeJP1uNJMb1pGo081102nKwOy+DQ7/DPNoEMtE8F0pY1iii4kXF QaZ2ipnv0Wjgi/j+4jHpmojHCMSw4jt2RBVbpK+LBJPesboo+SYbtxFK2T2sZsjO8DJx kwz+UTRZ0gdJHLBc3N6ZzjMJXfv2mr5h54wj4jbmNwL2L4JwlgTXXWyL+aBkTkC3RXkD RaaN3VZtNM3jrnOn/jKhRnw+pVehLir2Vv8JzcZqfKIkt8fL99lyas6cFgbqFtIZVR88 jdAaqgvUqr9xac+grx4Th9grmDNYYCI5auZnNgOv8ArywbHQAaCBG9Ecq9fa9AyvZVib MYQA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695192022; x=1695796822; 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=HvjyR1db7d2pAH1Oe6CLGqKy2lWY6VTA87peNvZDQh4=; b=b80oXV6/Jox4Ds4ku2YNsw8XUSCcuoniAwGcW053NN5UnTyuCRkB2KxDrHq03SlNMu VC151rYc+Ob/YdM+k6mOasZhrwFI13QG2yZk0rGdkBflj3L+kyjR1grqgbIp370S+NgC HbkVb5i6bITJMClvKvKWBj8h83pJlyBWDmkNZuGI0hkFGhIeD20zktbxwkEkejjN9z6V OcZztsKLoadSUn88bWpDouDVZOBmNUDbUqI1fEemLrsrtAM4xBnWA2qsnH1106AEsctn 8a4dbOvrn0MHSjRsET1V7YC3zoEnJfAh6g4VHvjSPAjkdlOY/j1c4xViB9EjRZYoS8vV InJg== X-Gm-Message-State: AOJu0YxAn9NMbA32MjBRFlzx9LVzQfKeROFDpOnxhfvqKHD+s4j0TkGN cV+aZcdn97WhCtyanOIFklW1+VRAmzyLa6G9 X-Google-Smtp-Source: AGHT+IE4D6SNgVtGxMtnCASWGFtAKbY4L4o7i1dznoOhLX1rHn4j63mgSA5ddd38liKZSzACfqWz+g== X-Received: by 2002:a05:6830:4a6:b0:6b9:a926:4a12 with SMTP id l6-20020a05683004a600b006b9a9264a12mr1762757otd.28.1695192022495; Tue, 19 Sep 2023 23:40:22 -0700 (PDT) Received: from localhost.localdomain ([122.8.183.87]) by smtp.gmail.com with ESMTPSA id r10-20020a05683001ca00b006b8c6eb962esm5769619ota.52.2023.09.19.23.40.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Sep 2023 23:40:22 -0700 (PDT) From: Chen Wang X-Google-Original-From: Chen Wang To: aou@eecs.berkeley.edu, chao.wei@sophgo.com, conor@kernel.org, devicetree@vger.kernel.org, emil.renner.berthing@canonical.com, guoren@kernel.org, jszhang@kernel.org, krzysztof.kozlowski+dt@linaro.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, palmer@dabbelt.com, paul.walmsley@sifive.com, robh+dt@kernel.org, xiaoguang.xing@sophgo.com Cc: Chen Wang Subject: [PATCH v2 08/11] serial: 8250_dw: Add Sophgo SG2042 support Date: Wed, 20 Sep 2023 14:40:15 +0800 Message-Id: <888d57a2d5e62affb8e29e0098402e428facd969.1695189879.git.wangchen20@iscas.ac.cn> X-Mailer: git-send-email 2.34.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" From: Emil Renner Berthing Add quirk to skip setting the input clock rate for the uarts on the Sophgo SG2042 SoC similar to the StarFive JH7100. Signed-off-by: Emil Renner Berthing Signed-off-by: Chen Wang Reviewed-by: Guo Ren --- drivers/tty/serial/8250/8250_dw.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/82= 50_dw.c index f4cafca1a7da..6c344877a07f 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -770,7 +770,7 @@ static const struct dw8250_platform_data dw8250_renesas= _rzn1_data =3D { .quirks =3D DW_UART_QUIRK_IS_DMA_FC, }; =20 -static const struct dw8250_platform_data dw8250_starfive_jh7100_data =3D { +static const struct dw8250_platform_data dw8250_skip_set_rate_data =3D { .usr_reg =3D DW_UART_USR, .quirks =3D DW_UART_QUIRK_SKIP_SET_RATE, }; @@ -780,7 +780,8 @@ static const struct of_device_id dw8250_of_match[] =3D { { .compatible =3D "cavium,octeon-3860-uart", .data =3D &dw8250_octeon_386= 0_data }, { .compatible =3D "marvell,armada-38x-uart", .data =3D &dw8250_armada_38x= _data }, { .compatible =3D "renesas,rzn1-uart", .data =3D &dw8250_renesas_rzn1_dat= a }, - { .compatible =3D "starfive,jh7100-uart", .data =3D &dw8250_starfive_jh71= 00_data }, + { .compatible =3D "sophgo,sg2042-uart", .data =3D &dw8250_skip_set_rate_d= ata }, + { .compatible =3D "starfive,jh7100-uart", .data =3D &dw8250_skip_set_rate= _data }, { /* Sentinel */ } }; MODULE_DEVICE_TABLE(of, dw8250_of_match); --=20 2.25.1