From patchwork Tue Nov 10 04:05:40 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Frank Lee X-Patchwork-Id: 11893207 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id CA4E115E6 for ; Tue, 10 Nov 2020 04:06:57 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id BA466206A1 for ; Tue, 10 Nov 2020 04:06:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733026AbgKJEGz (ORCPT ); Mon, 9 Nov 2020 23:06:55 -0500 Received: from smtp2207-205.mail.aliyun.com ([121.197.207.205]:53880 "EHLO smtp2207-205.mail.aliyun.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2387513AbgKJEG3 (ORCPT ); Mon, 9 Nov 2020 23:06:29 -0500 X-Alimail-AntiSpam: AC=CONTINUE;BC=0.1478366|-1;CH=green;DM=|CONTINUE|false|;DS=CONTINUE|ham_system_inform|0.0231434-0.00763199-0.969225;FP=0|0|0|0|0|-1|-1|-1;HT=ay29a033018047199;MF=frank@allwinnertech.com;NM=1;PH=DS;RN=28;RT=28;SR=0;TI=SMTPD_---.IulFdj5_1604981159; Received: from allwinnertech.com(mailfrom:frank@allwinnertech.com fp:SMTPD_---.IulFdj5_1604981159) by smtp.aliyun-inc.com(10.147.42.135); Tue, 10 Nov 2020 12:06:22 +0800 From: Frank Lee To: vkoul@kernel.org, robh+dt@kernel.org, mripard@kernel.org, wens@csie.org, ulf.hansson@linaro.org, kishon@ti.com, wim@linux-watchdog.org, linux@roeck-us.net, dan.j.williams@intel.com, linus.walleij@linaro.org, wsa+renesas@sang-engineering.com, dianders@chromium.org, marex@denx.de, colin.king@canonical.com, rdunlap@infradead.org, krzk@kernel.org, gregkh@linuxfoundation.org, megous@megous.com, rikard.falkeborn@gmail.com, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, linux-watchdog@vger.kernel.org, linux-gpio@vger.kernel.org, tiny.windzz@gmail.com Cc: Yangtao Li Subject: [PATCH 06/19] arm64: allwinner: a100: Add device node for DMA controller Date: Tue, 10 Nov 2020 12:05:40 +0800 Message-Id: <20201110040553.1381-7-frank@allwinnertech.com> X-Mailer: git-send-email 2.28.0 In-Reply-To: <20201110040553.1381-1-frank@allwinnertech.com> References: <20201110040553.1381-1-frank@allwinnertech.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-watchdog@vger.kernel.org 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"; + 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>,