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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id E8103C433FE for ; Mon, 17 Jan 2022 01:35:40 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236753AbiAQBfj (ORCPT ); Sun, 16 Jan 2022 20:35:39 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:60980 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236742AbiAQBfi (ORCPT ); Sun, 16 Jan 2022 20:35:38 -0500 Received: from mail-pf1-x430.google.com (mail-pf1-x430.google.com [IPv6:2607:f8b0:4864:20::430]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CAD1DC06173E for ; Sun, 16 Jan 2022 17:35:37 -0800 (PST) Received: by mail-pf1-x430.google.com with SMTP id 128so8790340pfe.12 for ; Sun, 16 Jan 2022 17:35:37 -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=K49u+vw8xuJoyxVWZcA3NU+d4XvPmTqJkyhbFma1tEc=; b=fx5o8gOeg/Q4/nXN2S9EzfZaKH4Lq4w65YWm1MW939pyqPAJnVhF5MI32yLl+mMVxN xKQ7igoeXYDbaz1SoigpFPhD5N/f+iMD7inhwZsZNmOFYwjjReuHVKcXhsY45lqsdY4E kz1H/srdzXbpAR5oubHNCHf0Tpb5MqzWq+mzblEWnvoCf34LDYUqVJ9VtG3FzfDOi9/X RoSzDuzy+cciW0PSMaLlMA20kkL/Unv1fDDGbaEvJF3vCopP+dOQmXLN+rE6ZDUgH2Ha QIDZDJfD63Z2jxFwY/0RnfgMCantTV07P/6WECYOQlwH/e8NsNJIiH91WKb2Avw8Omdv A/JA== 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=K49u+vw8xuJoyxVWZcA3NU+d4XvPmTqJkyhbFma1tEc=; b=heJUn3Vo0h9B88/YaDPE4PQKzEoHyagRVTRi6yNdlPVXAmWVZyvCMHVVOwLJG0ZJcA xEpJ3bl4aeazn5DFbRg3CTpZXj4GbQ9UsCvwL3a9bCuYweBWd0co3Mom/cBEdhqOExjW GY8kQu4Rye0crhhLoecnM+i/8guha97PbkmefVsc/yV2y3AnXJEU4F1rEpkl3BvFJkUl YzzEiXXYLAB/opWed+BDv1doaqN3usVRL32sB8qOmObT4i68IhF/ddhxk1BdiJm/MpUS iVPv8Mvq6U1pWVaubk8X/BJAAxa3ONCnlkQ0h3o8/gczjBRONJ4kBfgu273q20RmrCY/ GSAA== X-Gm-Message-State: AOAM533fmD+1+iK4+cWz1p2V0rc0TsIX75l28Efb0x+EbNc9GgKqbQZ4 EqiQV0/daahOnBCb8UNNn9y2OQ== X-Google-Smtp-Source: ABdhPJy3cCK6M6/ymBigZBfwJeQAU3nzgG2r0QdbcItZb2aPSm1DwimovkWfD1QGC4ROmx67vrk6Vw== X-Received: by 2002:a63:5d0e:: with SMTP id r14mr930560pgb.110.1642383337389; Sun, 16 Jan 2022 17:35:37 -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 l1sm10008335pgn.35.2022.01.16.17.35.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 16 Jan 2022 17:35:36 -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 Subject: [PATCH v4 1/3] riscv: dts: Add dma-channels property in dma node Date: Mon, 17 Jan 2022 09:35:26 +0800 Message-Id: <163a2cf11b2aceee2a1b8dc83251576d2371d4a6.1642383007.git.zong.li@sifive.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Add dma-channels property, then we can determine how many channels there by device tree. Signed-off-by: Zong Li --- arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi | 1 + arch/riscv/boot/dts/sifive/fu540-c000.dtsi | 1 + 2 files changed, 2 insertions(+) diff --git a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi index c9f6d205d2ba..3c48f2d7a4a4 100644 --- a/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi +++ b/arch/riscv/boot/dts/microchip/microchip-mpfs.dtsi @@ -188,6 +188,7 @@ dma@3000000 { 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 0655b5c4201d..2bdfe7f06e4b 100644 --- a/arch/riscv/boot/dts/sifive/fu540-c000.dtsi +++ b/arch/riscv/boot/dts/sifive/fu540-c000.dtsi @@ -171,6 +171,7 @@ dma: dma@3000000 { 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 { -- 2.31.1