From mboxrd@z Thu Jan 1 00:00:00 1970 Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.remote-ip=209.85.128.53 ARC-Seal: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; cv=none; t=1793610451; b=HqT8sgUwuwXJ3GhdSjyFsNA6zNODH5ec3HE5Sw/u9q2LPMHi/usdqwqTSqVBALbpm+ja SBql5k5uzXhy0CaO1Ga37w4jI5QsrvfrpDBkt6QxSSsQVZs/UVW092SUn3o95SpOkRv4G ruVt+IQQq/oL0h/gKdy/nhROHn8L8+VqiZcMD4b0vWfrmVDIeUI7CnLacJiEqlKHbfNS6 cxtW20QjgUqJvRjKh4O7UmJUXWcs2oVN72USNq4gfIRBPqRM6vn39mMaX6rg76rdMXgZw gUBl/8gp+aZoRVoJHc6tjQw14cf+VBjDLgOWV9t/INVPXFjk1FUVGMP5ml9/4AZhj0Q== ARC-Message-Signature: i=1; d=subspace.kernel.org; s=arc20261015; a=rsa-sha256; c=relaxed/relaxed; t=1793610451; h=DMARC-Filter:Received:DKIM-Signature:X-Google-DKIM-Signature: X-Forwarded-Encrypted:X-Gm-Message-State:X-Gm-Gg:X-Received:Received: From:To:Cc:Subject:Date:Message-ID:X-Mailer:In-Reply-To:References: MIME-Version:Content-Transfer-Encoding; bh=aQeMR6moZU6rMmQ102B8sJtQ895cbKKrODc45qACMhE=; b=sudkzBBHhtzJi19EbvoabjBjOhNkNFp6HLlA0bkrkJ7Lt3E0+yetHWScHGRhf3+4eGVM SsTLAH0SgZukVL2wKhzPuSP8DhSvhz4SbMskdw+vj+8LZVpGCQIRyu33zosqLyZVBt1rM 0ow4jaxlX7PKfLmjDZAEINMraVhZlqM+HB3UUVPmdVohgO4iFz917Clw99QXRRZeGLKqc IM9ox5H04a4uIKVa4FhrPXSLFg9mEQU18sBaSwyyx2oYDFkqdLxbpQ4bVwK4eBmp6XUPz Iqz/BzmDVrM4tG3rgC9GME55HyYY9MIseLx4fwnXNxnwM/e5QCudYx+MPaJPkWUNqCg== ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b=uoc2XBtq; arc=none smtp.remote-ip=209.85.128.53 Received: from mail-wm1-f53.google.com (mail-wm1-f53.google.com [209.85.128.53]) (using TLSv1.3 with cipher TLS_AES_128_GCM_SHA256 (128/128 bits) key-exchange X25519 server-signature ECDSA (prime256v1) server-digest SHA256) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id B0C5B606A32D for ; Mon, 2 Nov 2026 09:07:30 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.2 smtp.subspace.kernel.org B0C5B606A32D Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key, unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256 header.s=20260707 header.b=uoc2XBtq Received: by mail-wm1-f53.google.com with SMTP id 5b1f17b1804b1-4a207b02a2cso17735925e9.1 for ; Mon, 02 Nov 2026 01:07:30 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20260707; t=1793610449; x=1794215249; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to:content-type; bh=aQeMR6moZU6rMmQ102B8sJtQ895cbKKrODc45qACMhE=; b=uoc2XBtqKfZ+hMXPe3UCuX0BRP+sFw959+aYH2jbGIYYhxkcYv2h/KoNuiy/0Tiw9i tYyvMOrbBaRT9m/PqT/9zJrFNkpZfJvH8OZoj281PsijCoJgjAU+qRMWVZEhtK7uZNct 7xnFztglEUxPcbMnrUH0BQhj50VggeSQQv3rgs9lRYS+Gp5cIbhu1kBEaoajF2Agvh4v YhvBnU8e+enhVLMGtBuZ56vzWL0dSWgY7Fi+sojZpMK+Upw4xJRdpAfXbBpV+O1JqJDw 4XyYsG+kWXFpqoUDRIZTp5mnP1uOSILbyq+6ChKbB3V+ybgYs+NjNISPY8bv2gIe2Dik 74iw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20260707; t=1793610449; x=1794215249; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to:content-type; bh=aQeMR6moZU6rMmQ102B8sJtQ895cbKKrODc45qACMhE=; b=eHcSPxWoN+FOUZ2vrl2gUEAKVWeieEIRmwO0eFZKbib0HDvcwbj8AyTG4GGHUJ0ZCl VL4mPYfWNluP5e9gwHeALCyRy6lrflKprQERXceOqPV2YqI51DuU3stAM78dXMBEHQg+ QDSaY7Spkd7xWFQUBpfq9Q7yaCCc2uTt/zYWX6UD6J/6FAKPQgPhn0bxw17NfpbJBEYN kZqJmjK+rpkMXdQ9AaAlkwEIeGcXDzZgUA19NGUzbN47qx1LihMHOtIY/7S0BhOjDtr1 5jEjQMJP7/8IxoNfRCM9aTIGjG/NNs7pLzyPsaVQyGWO26Tyr6sl5qdHV2ITVHiPPwOt 1EDg== X-Forwarded-Encrypted: i=1; AKwUvBw1F37qT5l+UG+WAXYklx8sH3FwaB9gmFgH02Q4UhzmTsDvjTRXmzKDnGSaQ2U/amX33Keyfjj8YA8=@vger.kernel.org X-Gm-Message-State: AFq9FYLgTRvnV1Q9ZIRP0G7Bd9lrr3HYo6z3p0E1b+CtxS8lz6EUf7uH PQ/DJm6gti+vzsKuSbBfdP9nDJOO9zOTyDnIANF4qe0ka/C9EDhQ3cW6 X-Gm-Gg: AYBFou3MWRohi9Z9I6gGeB6NiTdW4VcblIOzKQMQG4ArHoS/niCsVtyCGZxvBlWqTub FFi1BbmlqrULHYEbg2i4ES8Z7Mqj/wRCChr4iV2VRPfUwMZL002lJUpQevKI7SBP4UitMNbvS2Z 1GXZHAuGJ0COawMpuNx3m6qKbSWnot9jfwE+34tkh+lXJWTTScAZ1iqEWIwcLTlWQLKh6slPZ+U tXS+NF7gYELTVsh4eBC10ZdMLeAfLX61h2Dw4W6cDagLLeVK8Cg15rO0h3RPc2RBKXUahjugPrV v8HM11tL0uQcdlYfW89yK8RYXLjbRi8Q3tCAQMcrbQy9aoao39DRk5wSvthCsl2VUp4iKqjNycw nJu9LXb0/PrUFncnnXSzgKbYTyCmCzt86P2Fyz0ms+nddRK5RhYaHsqbt6hGS0642RIxdQwXQFH aUcoodVcQui7zIGxST+r4c1fcHz40PXQFbYGaDoQyTJQy2OJ3qgAS2CpYyTt95wks681td1ndr7 U2excgjbLK0coKMLL1OW+JKZJowfTFi6tum0teLbkBbZGf/dQfASd8++4cipAoZ+1gC+bxscH0q UNYxRGEYOJ6MKcYDrsX2elglq0SxPWKyq64SkA5DILpF7RATDPo90ziAxn4mqyRTH+bz/4CRtcJ LKVP8L/u5HW7YxrJkFpHE/ZhdCQZu6pjlKF5dOL1NYYd7eF5znWEh9ZEdbeXE8M2w2m9nbI38+b vCNphevYvEsUoh X-Received: by 2002:a05:600c:540f:b0:4a3:18ca:806 with SMTP id 5b1f17b1804b1-4ac17d1a1f1mr235827335e9.20.1793610448975; Mon, 02 Nov 2026 01:07:28 -0800 (PST) Received: from cypher.home.roving-it.com ([2001:8b0:fb11:0:3889:86e0:d449:e2e1]) by smtp.googlemail.com with ESMTPSA id 5b1f17b1804b1-4abf5b27e46sm417879945e9.3.2026.11.02.01.07.28 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 02 Nov 2026 01:07:28 -0800 (PST) From: Peter Robinson To: Florian Fainelli , Dave Stevenson , Ray Jui , Scott Branden , Vinod Koul , Frank Li , dmaengine@vger.kernel.org, devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org, linux-arm-kernel@lists.infradead.org, bcm-kernel-feedback-list@broadcom.com Cc: Peter Robinson Subject: [PATCH 6/9] ARM: dts: bcm2711: Add 40-bit DMA controller Date: Mon, 2 Nov 2026 09:06:56 +0000 Message-ID: <20261102090713.896324-7-pbrobinson@gmail.com> X-Mailer: git-send-email 2.56.0 In-Reply-To: <20261102090713.896324-1-pbrobinson@gmail.com> References: <20261102090713.896324-1-pbrobinson@gmail.com> X-Mailing-List: dmaengine@vger.kernel.org List-Id: List-Post: List-Help: List-Subscribe: List-Unsubscribe: List-Owner: Precedence: list MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Describe the four DMA4 channels (11-14) of BCM2711. They sit on the SCB so they can reach all of memory. Signed-off-by: Peter Robinson --- arch/arm/boot/dts/broadcom/bcm2711.dtsi | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/arch/arm/boot/dts/broadcom/bcm2711.dtsi b/arch/arm/boot/dts/broadcom/bcm2711.dtsi index 5e3b4bb393967..9d70bea17b11c 100644 --- a/arch/arm/boot/dts/broadcom/bcm2711.dtsi +++ b/arch/arm/boot/dts/broadcom/bcm2711.dtsi @@ -602,6 +602,22 @@ genet_mdio: mdio@e14 { }; }; + dma40: dma-controller@7e007b00 { + compatible = "brcm,bcm2711-dma"; + reg = <0x0 0x7e007b00 0x400>; + interrupts = , /* dma4 11 */ + , /* dma4 12 */ + , /* dma4 13 */ + ; /* dma4 14 */ + interrupt-names = "dma11", + "dma12", + "dma13", + "dma14"; + #dma-cells = <1>; + brcm,dma-channel-mask = <0x7800>; + status = "disabled"; + }; + xhci: usb@7e9c0000 { compatible = "brcm,bcm2711-xhci", "brcm,xhci-brcm-v2"; reg = <0x0 0x7e9c0000 0x100000>; -- 2.56.0