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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 7EB31F54ACF for ; Tue, 24 Mar 2026 16:19:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:Cc:To:From:Reply-To:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=leOlxLANT+C3xgMs59z/YGP1AA9RAUAS+voGaGnrJwI=; b=hSTRzrtLP8lqeDHTBM97XM13X/ jLon9icws+E+Dvf+5BSTVnuI7fRp7BiH3QfbHxRfRtqDTmzgSuH/LnMhUmuoBJrleMO7w5DfPZDwD rfeupBymNnHInJ0eOpPHfnidPjMksEzRHdvY5ffHf1cVZE0PzPgRq/vYIf7vvs3S2vJ8iYYGj7i+K NX++qUCQ97TMbn4q0hQ0J7wBJ914FMjZo8s7IdJzmuFXwGq1D937rE/uchmpAVaWqeZ2aF/bhzoOH qhdddKJkGH8K6zitf23OkGdKe7uvRnGPVfIrQMGo5NwWVQoHxPdrmUvlejmvLT8dk4T9PJaSgbrTy YOjaeV6A==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w54Tj-00000001sYH-3f48; Tue, 24 Mar 2026 16:19:39 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w54Th-00000001sXY-39bf for linux-arm-kernel@lists.infradead.org; Tue, 24 Mar 2026 16:19:37 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id E038D600AC; Tue, 24 Mar 2026 16:19:36 +0000 (UTC) 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 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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