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 E49243A0E81; Tue, 24 Mar 2026 16:19:36 +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=1774369177; cv=none; b=LZcR0eEOud8Kw9/DM/5uSykYM/hM1GwpJ4UsDDRfMiLKoudHv7CUt4HS9niGFuzmL8J3ZGgXi6n3PCw45zfa1ihFxzHfX0Og2OqXZM+W6dfhAGbHtY60N8GiELCIA+vcvuGDKe+2r4UUb6Jp8wZNiFQ6vWrdrsdHuFkPXYM2ffc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1774369177; c=relaxed/simple; bh=OOoOHuRKnfY4pEIgmq0rR3HB4Sgy5RohzLtXdcbQlig=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=DLPr5y1YmEu8qaMyTGPk+rSBi2Cc8mozfIaU6EaNW9xmFPrIcLrLXHpD1IMsYNSHxFqpmSJguRkkN4B2Q8+sfvHT4lJOP8EI+v4qKeTwrJnrGGVob4BEzbDo0Ql3DO/FViGTiT9sFWVzTxXKTWZhKaZs6+TNXMzpXhYdcyXwefA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=popDtLTe; 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="popDtLTe" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 79A06C19424; Tue, 24 Mar 2026 16:19:36 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1774369176; bh=OOoOHuRKnfY4pEIgmq0rR3HB4Sgy5RohzLtXdcbQlig=; h=From:To:Cc:Subject:Date:From; b=popDtLTeN25BTHrI27WnsvkVsSv8K+tiyhbH7yJVKfjRGFDKC3yv3MnF+UxqeGDJt P0YeqRYwMDfjrAxQ8+RbOTJHlTwD7722oJtR5LTGt2LFPe4C/vvC+ZvLSNfmy72Es3 r33085vOTy+LeoIsXtvIS9wCyEUDJgyHk9w74SToFX6uNMtrvlNdGdD+5Zjb/Jbu7X zb//NFvP6NpJr0RDU62HSqVzdql0C1npAc7inhWzXoMPWsEeBt0tLZjORXRtq0bxh9 QMH6K7qSWLoxH76f7isidoB95UGc2veq4UoXvP/4scN44Uz9txxxRq0GZXPXGHNjcQ 2w5ztWgtZD46w== Received: by wens.tw (Postfix, from userid 1000) id E883F5FEB2; Wed, 25 Mar 2026 00:19:33 +0800 (CST) From: Chen-Yu Tsai To: Chen-Yu Tsai , Jernej Skrabec , Samuel Holland Cc: linux-sunxi@lists.linux.dev, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] arm64: dts: allwinner: sun50i-a64: add UART DMA channels Date: Wed, 25 Mar 2026 00:19:28 +0800 Message-ID: <20260324161930.1602083-1-wens@kernel.org> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit All the UARTs support DMA and are hooked up to the DMA controller. Add the DMA channels for the UARTs Signed-off-by: Chen-Yu Tsai --- arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi index 0fecf0abb204..04a26762a19a 100644 --- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi +++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi @@ -1000,6 +1000,8 @@ uart0: serial@1c28000 { reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART0>; resets = <&ccu RST_BUS_UART0>; + dmas = <&dma 6>, <&dma 6>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -1011,6 +1013,8 @@ uart1: serial@1c28400 { reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART1>; resets = <&ccu RST_BUS_UART1>; + dmas = <&dma 7>, <&dma 7>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -1022,6 +1026,8 @@ uart2: serial@1c28800 { reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART2>; resets = <&ccu RST_BUS_UART2>; + dmas = <&dma 8>, <&dma 8>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -1033,6 +1039,8 @@ uart3: serial@1c28c00 { reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART3>; resets = <&ccu RST_BUS_UART3>; + dmas = <&dma 9>, <&dma 9>; + dma-names = "tx", "rx"; status = "disabled"; }; @@ -1044,6 +1052,8 @@ uart4: serial@1c29000 { reg-io-width = <4>; clocks = <&ccu CLK_BUS_UART4>; resets = <&ccu RST_BUS_UART4>; + dmas = <&dma 10>, <&dma 10>; + dma-names = "tx", "rx"; status = "disabled"; }; -- 2.47.3