From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4C1FF40927F; Thu, 13 Aug 2026 10:35:19 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786617319; cv=none; b=u84zlAiAsOlnimxp2/8Gq2Cy+mtKUfMuavsX8riBfgEtpTb+0pxbFPsRC4O7OPwHy4qc7BuFg5/h0nELN5ylVnc7iOljIRlaU7OejgyGoZhQD/sHiatHz9jDbmPXok/OOp1DLOR3qA2+TgD9cwult2NJ1XGcvzZI/DhxJi+Zpkw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1786617319; c=relaxed/simple; bh=HuHAAmFhsnViNBOyFb1R8/0wMc3TeeTHz8YWaouugC0=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=rLDMNtXDGVySO61aSXlPZEMSjdkAdPXsgBPazvQoXp6bS3qZY2XSIOjtZh7NVvtPYIVRkmfnesoBstV9Yz7piiba3xLAffUD6NE+x2WodL+Z5wonrVLE1PJVv6ZIxhItMrBAvKjP1r/cCQVzSn+0MrIY1y2H/6z5ex1SOj7NNKg= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=n3gje18u; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="n3gje18u" Received: by smtp.kernel.org (Postfix) with ESMTPS id C70BDC19425; Thu, 13 Aug 2026 10:35:18 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1786617318; bh=HuHAAmFhsnViNBOyFb1R8/0wMc3TeeTHz8YWaouugC0=; h=From:Subject:Date:To:Cc:Reply-To:From; b=n3gje18uSVLwU7Wcw7vN91Ih+wsVaZpLZTfRnNE0l9Xj/+pPdJ1Kay6BWChkFl14P Z3HArjhbmYb4pv9XLuExKwXQ+IQ8sdouF2pk4p6VHd89JOiqOFhbKaK5lKPCHQS6Qw Ja76TPR432IQ1UrWeyusE8lPPyJht10qW2yQ1ll2lySVX5n9qqdS4SCEj96t2+jKd7 0VCF6l0TQpZGnC/JV1Y22CeS1Nm0UKm49k2maQGQVBkq2mn0UlsUeOpvpAuXBAUkdP fzhYqik+qXdz/8t8jAleEZ9NCO2pBBx+kmupO/YQZtRCNx4KML0LuOu17fWXHukuBI EbjLcriCdFWOg== Received: from aws-us-west-2-korg-lkml-1.web.codeaurora.org (localhost.localdomain [127.0.0.1]) by smtp.lore.kernel.org (Postfix) with ESMTP id A35EBC5CFEB; Thu, 13 Aug 2026 10:35:18 +0000 (UTC) From: Long Zhao via B4 Relay Subject: [PATCH v3 0/2] Ambarella CV75: 8250_dw UART Date: Thu, 13 Aug 2026 18:35:11 +0800 Message-Id: <20260813-cv75-v3-c-v3-0-9352b3fd6026@ambarella.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIAN+dfWoC/6tWKk4tykwtVrJSqFYqSi3LLM7MzwNyjHUUlJIzE vPSU3UzU4B8JSMDIzMDC0Nj3eQyc1PdMiCtm2JpkWhpnmKQZplmqARUX1CUmpZZATYrOhbCLy5 NykpNLgEZoFRbCwCOiWNObQAAAA== X-Change-ID: 20260813-cv75-v3-c-d98a97d0f9f1 To: Greg Kroah-Hartman , Jiri Slaby , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Linus Walleij , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Andy Shevchenko Cc: linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org, devicetree@vger.kernel.org, Long Zhao X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1786617317; l=1249; i=longzhao@ambarella.com; s=20260730; h=from:subject:message-id; bh=HuHAAmFhsnViNBOyFb1R8/0wMc3TeeTHz8YWaouugC0=; b=VMOAORclmZq65HmUV7KltmK8GgBks9rZmr6JcV8hU7pvSSLiyrHr2bDnCg6RXEVcX3/lm+5mJ HUV217J71GkDqo8lmeXGXQ2E+HWxuMoFZJyQOmXm1Yk7VhWZ4mP5PV3 X-Developer-Key: i=longzhao@ambarella.com; a=ed25519; pk=/xGhPTOX0/eYsyTWzyjjgAIW1Z/YD+IlnOnvcdRozow= X-Endpoint-Received: by B4 Relay for longzhao@ambarella.com/20260730 with auth_id=903 X-Original-From: Long Zhao Reply-To: longzhao@ambarella.com This is part C of a 3-part CV75 v3 split: A: bindings + RCT/CCU clocks + SoC/EVK DT + MAINTAINERS B: pinctrl + PL061 GPIO variant C: 8250_dw UART quirks (this series) Depends on series A: https://lore.kernel.org/r/20260813-cv75-v3-a-v3-0-cfdd20b1b4dd@ambarella.com Depends on series B: https://lore.kernel.org/r/20260813-cv75-v3-b-v3-0-1d82e18da09b@ambarella.com Link to v2: https://lore.kernel.org/r/20260806-longzhao-upstream-cv75-v2-v2-0-6b09707c5fe9@ambarella.com Summary: - document ambarella,cv75-uart on snps,dw-apb-uart - Ambarella quirks in 8250_dw Changes since v2 (C scope): - drop custom Ambarella UART driver; reuse 8250_dw (Linus) Verified on CV75 with A+B+C. Signed-off-by: Long Zhao --- Long Zhao (2): dt-bindings: serial: snps-dw-apb-uart: add ambarella,cv75-uart serial: 8250_dw: add Ambarella CV75 quirks .../bindings/serial/snps-dw-apb-uart.yaml | 1 + drivers/tty/serial/8250/8250_dw.c | 30 ++++++++++++++++++++++ 2 files changed, 31 insertions(+) --- base-commit: 378c935cabe003ef440c1c79302a1f8ed7913778 change-id: 20260813-cv75-v3-c-d98a97d0f9f1 Best regards, -- Long Zhao