From patchwork Tue Jan 11 08:51:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zong Li X-Patchwork-Id: 12709632 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 C5BB8C433F5 for ; Tue, 11 Jan 2022 08:51:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349009AbiAKIvo (ORCPT ); Tue, 11 Jan 2022 03:51:44 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35510 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1349014AbiAKIvm (ORCPT ); Tue, 11 Jan 2022 03:51:42 -0500 Received: from mail-pj1-x102b.google.com (mail-pj1-x102b.google.com [IPv6:2607:f8b0:4864:20::102b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0EAFDC061756 for ; Tue, 11 Jan 2022 00:51:42 -0800 (PST) Received: by mail-pj1-x102b.google.com with SMTP id rj2-20020a17090b3e8200b001b1944bad25so4594096pjb.5 for ; Tue, 11 Jan 2022 00:51:42 -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=dhVYdWw7PREA2x6EIZ4xujgcUvHYDPBvCt58d97/WsIX21uIzkZiCc2rXn6tw/8ef+ N59TsHOZYauZ8NIBcMJjjYvDiYsFlqTLhkJtJaxu8O4qr38BnNaXg9WbqDAR6OEQ3MWX thmy55rc30zJKjDoRD0OdJKhs1Or9+tNIVskVu+8IDN0hFpKlzwprBCUI789q1AmzO6H SXEj/uSp87gr+stzL4xBYBR7Iqolh7Gt8E6pK1vnVj8htrZ9pgAmCRnu5fJpXGRyerNt K2S4VjfTTzAOuEkbIz0uCUPEKWg/iHzHXdvOqZVaMz/ysUKrbS2rDn/K7qfFN1DXQ5oR 3wMQ== 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=2goizusGL6l8zMjAhaEBw3HLXe1Z1/gaXfK99R0lrEYGZ0ih8BWoOU2uTyf1ch3BAJ 0acYhiRvaBYjvbO3eqD1Ij9Y5anj86bEcO3pYHKejxEi3M6+uDtR3yPdWjY/Rn6mCn0e iydr/KyjmrInf3HIrKuKcHdMIfDoBxEPXvDSx8nHi3dmDPJNX0SVl6hloIvdPjMkI/Ff eWpuqVuMqeJoLZJcwyqwxUnDHiE8fhtdw83+6ufUXxjA6eQQk74txmEX1ZVPwzlJG/2P ta13CxLCH2yeew77g4yrrpddk4WPArDO1bzfY16CwppXIz+/Jc+4T8r7Xg/EXv3t7HGV 1ySw== X-Gm-Message-State: AOAM532M0f7/Tes8wfSBahbACsACVMw83GIUPoo7YSh2UTEkWnmHP7mU +mqcZbwv3J+DxBXJvayNXDRQ3A== X-Google-Smtp-Source: ABdhPJyyRNf9d57sKUsXdmiRpvG67UAK/JRDnkTqjiyNt2dbhjIL4gIaHj1J+p3aF75oTpbWw45k8g== X-Received: by 2002:a17:902:7c84:b0:149:9481:bbb9 with SMTP id y4-20020a1709027c8400b001499481bbb9mr3638418pll.148.1641891101607; Tue, 11 Jan 2022 00:51:41 -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 j4sm9447598pfa.149.2022.01.11.00.51.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 11 Jan 2022 00:51:41 -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 v2 1/3] riscv: dts: Add dma-channels property in dma node Date: Tue, 11 Jan 2022 16:51:25 +0800 Message-Id: <163a2cf11b2aceee2a1b8dc83251576d2371d4a6.1641890718.git.zong.li@sifive.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: References: MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: dmaengine@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 {