From patchwork Mon Feb 7 06:30:39 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zong Li X-Patchwork-Id: 12736932 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 BC3FCC433F5 for ; Mon, 7 Feb 2022 06:31:16 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To: Message-Id:Date:Subject:Cc:To:From:Reply-To:Content-ID:Content-Description: Resent-Date:Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID: List-Owner; bh=wGrrcrCxRAe6AyVCKW9JL06V2GNq6o2o16ShzjbJMMA=; b=nsCfJ/f/h5ztth O5ShdQuqcyF59ER2u+DTOSvpPcMjPGc0lO3bVzroWVTjUB5ldJIQJIv7GlCnDQOX8yOfNwBcoK2Ha fe+pRXCrIkwauGzJu2qAPE2Aa9pTNm1D4l/qJiiH/N/rYqKfWBaV5gXzVFnL6ibQMzsnH/agq2xht r6Ycf2XqBXUSZl+27FOhV69kGV22Eucg2QAzjJT5pDSmaC6OMMSldwe2E4wxkFA3K40RjsEKPxYsj WvBCgXFAS7aXei7riyyCBkChN9kkbyrZhet611/Juy4Y0fsjIK3DgCFEH61Ru8gnL+kmLkKmNsAWR m5wBXIuSFqUum44Jq5kw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1nGxYH-0098XI-44; Mon, 07 Feb 2022 06:31:05 +0000 Received: from mail-pl1-x635.google.com ([2607:f8b0:4864:20::635]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1nGxY6-0098U2-HG for linux-riscv@lists.infradead.org; Mon, 07 Feb 2022 06:30:55 +0000 Received: by mail-pl1-x635.google.com with SMTP id y18so776858plb.11 for ; Sun, 06 Feb 2022 22:30:54 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sifive.com; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=O3fmm4nvalmQleWa1byPzKYwRMYCW7Pxtk8Gk5epwAE=; b=Mev+fmMrEndOiPaIwMiostWKbCgoFUolVWzZCS5uUOeb6YzZKZEj6A9J+rHrqQqR1b FfCWf6jS25cRBOHFXTGitsymEc26oKLYlLLr4D4R0sNOup6+y6vzmEnPUbVKelaVdhFg F03jL7I3xrKN6prjd7rT616gqxvZcctqtMaWnyXsuQNlrEkD/GbYCOXrEZfqeuDGJh9+ oFz365NpbqYAz4kSJOv6L1wQBP8D7yXOe8Unverh0JpEvOQvoMIA0+i3rH4v57fyrLOf Ps15s79JTNhaF4VRgNZYkbR6r0o9WR6DTFOTFXw3AqgmOZarWyVpad9aRR1sKCPoxEUM CLaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=O3fmm4nvalmQleWa1byPzKYwRMYCW7Pxtk8Gk5epwAE=; b=Fdi16CVNSchNsRxI1rRnXBwMPbUTb3532YDbJkP6bqrnFFuNeG0B7vdY/csyAHACxs dFU46nL+cgciMhkmP2n9KWIfUOm4B8O7ucn0I/W2ogsd1OIFN3Xt7uWGyKDHT25iow6J N0rHt1egri2of+HOAbQY47JkmzVGQEHoplGJihkS5fedlLXeF5dc1b6WwKJgZQNRflRT i1BjBNzZEFD3wDn3zTcbne5IxsUvmvbB0BhlS/vbMnw1GtS6tEoZQyfml3HanxZYOgWN TctwO9uezuvaUrTWJJtZAwxFsgdWW3j00lCgLogIyLg+Vsqnqtx0Gi3a9prtg/yBa/LD p4Qg== X-Gm-Message-State: AOAM531y3v7F7l0eIlQ0tJQe/1j8+ub9RO5znRuSa7rtofgJ/eTCEfKe IdOEV/JbIr79hGK/eyjG28aMxA== X-Google-Smtp-Source: ABdhPJz8oBJ3w7oZV38zeOV4odPSlf2oJfYGXKEsseSqcLYbDUnaotjNjwPZV1gk/z/pgQvbgRWgyg== X-Received: by 2002:a17:90a:5a01:: with SMTP id b1mr7252147pjd.134.1644215453808; Sun, 06 Feb 2022 22:30:53 -0800 (PST) Received: from hsinchu16.internal.sifive.com (59-124-168-89.hinet-ip.hinet.net. [59.124.168.89]) by smtp.gmail.com with ESMTPSA id i10sm5266634pjd.2.2022.02.06.22.30.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 06 Feb 2022 22:30:53 -0800 (PST) From: Zong Li To: robh+dt@kernel.org, paul.walmsley@sifive.com, palmer@dabbelt.com, aou@eecs.berkeley.edu, krzysztof.kozlowski@canonical.com, conor.dooley@microchip.com, geert@linux-m68k.org, bin.meng@windriver.com, green.wan@sifive.com, vkoul@kernel.org, dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org Cc: Zong Li , Palmer Dabbelt Subject: [PATCH v5 2/3] riscv: dts: Add dma-channels property and modify compatible Date: Mon, 7 Feb 2022 14:30:39 +0800 Message-Id: X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220206_223054_607675_CEBE5253 X-CRM114-Status: UNSURE ( 8.82 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-riscv@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-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org Add dma-channels property, then we can determine how many channels there by device tree, in addition, we add the pdma versioning scheme for compatible. Signed-off-by: Zong Li Reviewed-by: Palmer Dabbelt Acked-by: Palmer Dabbelt Acked-by: Conor Dooley --- arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi | 3 ++- arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 3 ++- 2 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi index 869aaf0d5c06..d8869ec99945 100644 --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi @@ -187,11 +187,12 @@ plic: interrupt-controller@c000000 { }; dma@3000000 { - compatible = "sifive,fu540-c000-pdma"; + compatible = "sifive,fu540-c000-pdma", "sifive,pdma0"; reg = <0x0 0x3000000 0x0 0x8000>; interrupt-parent = <&plic>; interrupts = <23>, <24>, <25>, <26>, <27>, <28>, <29>, <30>; + dma-channels = <4>; #dma-cells = <1>; }; diff --git a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi index 3eef52b1a59b..6a3011180846 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -168,11 +168,12 @@ uart0: serial@10010000 { status = "disabled"; }; dma: dma@3000000 { - compatible = "sifive,fu540-c000-pdma"; + compatible = "sifive,fu540-c000-pdma", "sifive,pdma0"; reg = <0x0 0x3000000 0x0 0x8000>; interrupt-parent = <&plic0>; interrupts = <23>, <24>, <25>, <26>, <27>, <28>, <29>, <30>; + dma-channels = <4>; #dma-cells = <1>; }; uart1: serial@10011000 {