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 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 11751CAC59A for ; Wed, 17 Sep 2025 11:51:25 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:Message-ID:Date:Subject:To:From:Reply-To:Cc:Content-Type: Content-ID:Content-Description:Resent-Date:Resent-From:Resent-Sender: Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References:List-Owner; bh=C3JLm+WtAgOBOP5ZX8TVm1Cp5vhXuI2GzWj1bb042eU=; b=JGwqjVEAML3w+V2i8GGaTFz+du GZMcK3N6ZnkKizfOEc8WRO1442d1LP1GGcuZItR4pFpe0NBoi/xXzwmfImx4eS7kWsU5T3pYkzzVc G/YzQACpXTn5Q1wjNVMidjNWcCCE/zqmpwc8KB2SATYBcS0hpPX+8IMAerZJxEE4QCNZcHqEZDXW2 p2saYTUEhDExYDTFKI3yKhWoPX9+dKhqz+krLdHGriYoC6JGyr9rbBq0on734A/WUx+9zhxG2Z8xN iKkP61NNyqOX9CDE/Jl6uh9osyE1wNbRTq6PrNEiz1kOLm81VhludFbwSYSB6dC1y/b1P2ukfHJ84 A4iq8waw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1uyqgv-0000000BBRS-2fE3; Wed, 17 Sep 2025 11:51:17 +0000 Received: from mail1.nippynetworks.com ([91.220.24.129]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1uyqgt-0000000BBQX-3uSl; Wed, 17 Sep 2025 11:51:17 +0000 Received: from grunt.nippynetworks.lan (unknown [94.228.36.46]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange ECDHE (P-256) server-signature ECDSA (P-256) server-digest SHA256) (No client certificate requested) (Authenticated sender: lists@wildgooses.com) by mail1.nippynetworks.com (Postfix) with ESMTPSA id 4cRcYC3FT0zkd2v; Wed, 17 Sep 2025 12:51:11 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=wildgooses.com; s=dkim; t=1758109871; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding; bh=C3JLm+WtAgOBOP5ZX8TVm1Cp5vhXuI2GzWj1bb042eU=; b=bmE4l/oziTF0VmvvghpjBK3QAb49FXUE5rBADlKvSbHSr3lK9Wpj2rWXJ8iBGmy3m7olQU 1tGerj1aotI0U8cQOISRLXp4zBnrJL4kqT3AMXk2bzCUyqchkEbCgPRfsbL8xbvTI4RL6v KkSbE8V9DN8Vjuz9X0cjY3SrPsk68p0= From: Ed Wildgoose To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Ed Wildgoose , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH 0/2] arm64: dts: rockchip: fix dma and pinctrl defs Date: Wed, 17 Sep 2025 11:49:29 +0000 Message-ID: <20250917114932.25994-1-lists@wildgooses.com> X-Mailer: git-send-email 2.49.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20250917_045116_212487_7592FCBE X-CRM114-Status: GOOD ( 11.93 ) X-BeenThere: linux-arm-kernel@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-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org The default pinctrl definitions for the Radxa Zero 3W don't match the datasheet. Possibly few people enable extra UARTs and hence it wasn't noticed? I needed all 5 UARTs for a project and the first patch corrects the pinctrl defs. Without this patch, enabling the extra UARTs causes issues such as the MMC devices disappearing, due to collisions. Second patch adds a dma-names property, which appears to be a pre-requisite for enabling DMA on the UARTs. I've applied this to the base rk356x-base.dtsi as it seems like a change that should apply to all SOMs? However, I confess ignorance in this area, so could I ask for a second opinion before anyone applies this? It's tested on my Zero 3W board and appears to function correctly and DMA is reported as enabled. Ed Wildgoose (2): arm64: dts: rockchip: correct uart mux for Radxa ZERO 3 rockchip: dts: Enable UART DMA by adding default dma-names property .../boot/dts/rockchip/rk3566-radxa-zero-3.dtsi | 15 +++++++++++++++ arch/arm64/boot/dts/rockchip/rk356x-base.dtsi | 9 +++++++++ 2 files changed, 24 insertions(+) -- 2.49.0