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 X-Spam-Level: X-Spam-Status: No, score=-15.3 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_SANE_1 autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 658EDC63798 for ; Sat, 28 Nov 2020 20:36:22 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id E00A62087C for ; Sat, 28 Nov 2020 20:36:21 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="CnfF+ZGT" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E00A62087C Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=arm.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:Date:Message-ID:From: References:To:Subject:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=KaVmMMNisfg0Q9Qk7OWXNlQEFmZebHI7AgTTwkq/I08=; b=CnfF+ZGT9uEK0Vn+Dte/WPwxC EyVprnidiKffuDYHsC5PB/ofIQLKytnlpq3+Ue+Ws5SfGnyWfZbrQf7/9x3l0hnOJtf6TsmfSVLoa l/UBvtRsIxgk87BAZUOuWdFuHDjuFbgk8Z2Tqp5wRuKpNLwpbPII2fXOZaE87+h0+geuq4bqfJqr/ nIScu+dXCAUQFx+PKxKdcBkqw50nAgi0vmcBDkx+Z7hxCSHWCxdSzxqPK14ocXxyrbIuYfboUONm6 IVLBDVhSlZ0znw5MmbHwVYhPOJWeDbAlTiVTIzTX/3D1nvjpefJYJ7CWnuCVT7Syvbhhx0zhHhzfL tml92Cq7A==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kj6w0-0008RJ-A3; Sat, 28 Nov 2020 20:35:08 +0000 Received: from foss.arm.com ([217.140.110.172]) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1kj6vx-0008Qy-5Y for linux-arm-kernel@lists.infradead.org; Sat, 28 Nov 2020 20:35:06 +0000 Received: from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14]) by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id B23CA30E; Sat, 28 Nov 2020 12:35:03 -0800 (PST) Received: from [192.168.2.22] (unknown [172.31.20.19]) by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 816AF3F23F; Sat, 28 Nov 2020 12:35:02 -0800 (PST) Subject: Re: [RESEND PATCH 06/19] arm64: allwinner: a100: Add device node for DMA controller To: Frank Lee , tiny.windzz@gmail.com References: <1b15266045edbcfff2fc3791c88a5390d7bb3185.1604988979.git.frank@allwinnertech.com> From: =?UTF-8?Q?Andr=c3=a9_Przywara?= Organization: ARM Ltd. Message-ID: <496f7773-1141-5f1b-2187-ac15da4c8576@arm.com> Date: Sat, 28 Nov 2020 20:34:47 +0000 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 MIME-Version: 1.0 In-Reply-To: <1b15266045edbcfff2fc3791c88a5390d7bb3185.1604988979.git.frank@allwinnertech.com> Content-Language: en-GB X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20201128_153505_372925_ABBC9BAF X-CRM114-Status: GOOD ( 18.85 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, Jernej Skrabec , linux-kernel@vger.kernel.org, Maxime Ripard , Chen-Yu Tsai , Rob Herring , linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 10/11/2020 06:29, Frank Lee wrote: > From: Yangtao Li > > The A100 SoC has a DMA controller that supports 8 DMA channels > to and from various peripherals. > > Add a device node for it. > > Signed-off-by: Yangtao Li > --- > arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi | 12 ++++++++++++ > 1 file changed, 12 insertions(+) > > diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi > index cc321c04f121..c34ed8045363 100644 > --- a/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi > +++ b/arch/arm64/boot/dts/allwinner/sun50i-a100.dtsi > @@ -101,6 +101,18 @@ ccu: clock@3001000 { > #reset-cells = <1>; > }; > > + dma: dma-controller@3002000 { > + compatible = "allwinner,sun50i-a100-dma"; So at it appears to work with the exact same settings in the driver as the H6, we should have that as a compatible fallback: compatible = "allwinner,sun50i-a100-dma", "allwinner,sun50i-h6-dma"; Cheers, Andre > + reg = <0x03002000 0x1000>; > + interrupts = ; > + clocks = <&ccu CLK_BUS_DMA>, <&ccu CLK_MBUS_DMA>; > + clock-names = "bus", "mbus"; > + dma-channels = <8>; > + dma-requests = <51>; > + resets = <&ccu RST_BUS_DMA>; > + #dma-cells = <1>; > + }; > + > gic: interrupt-controller@3021000 { > compatible = "arm,gic-400"; > reg = <0x03021000 0x1000>, <0x03022000 0x2000>, > _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel