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 3B60DD46BFA for ; Wed, 28 Jan 2026 20:35:48 +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: Content-Type: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=NEmpOzcIBlkA1huyHqaVTW0k9KksYnxs738QX2I8sa4=; b=kx+1bNJ2YcRdqFNMiv0hn8dz0w 9ndl7GIlzhzNLkqkss27pyVRs17PmWk7WsMh/tZAjCV37mAoalM3ELbA6ziTLwM+9bKYQbBaNZud1 HyGMAMVRhNnFBAGgCgjKxkXujQv0KxwGzWFVfZypmDeiU4resCMslcpuq8svWqgkrzg1JQtvfX6e6 kpr8O4noj/A4b+BiMmbYqpfb1Ot8HxZxtpvZzfHgpmL/RcKz2MuMLsNWaa/Sj0q5ityvOIjKqLGxn OuQ10jK0Ju8oYN7VrCGua6RuqREpj6ttgUChZE7vf/Dqn48T76X3VBO5+Nz2lvyuQeG3tQJ2fa2lB aC31C1Jg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vlCGJ-0000000GmRn-3ZQk; Wed, 28 Jan 2026 20:35:39 +0000 Received: from desiato.infradead.org ([2001:8b0:10b:1:d65d:64ff:fe57:4e05]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vlCGI-0000000GmPk-0Ttj for linux-arm-kernel@bombadil.infradead.org; Wed, 28 Jan 2026 20:35:38 +0000 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=desiato.20200630; h=Content-Transfer-Encoding:Content-Type :MIME-Version:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Sender:Reply-To:Content-ID:Content-Description; bh=NEmpOzcIBlkA1huyHqaVTW0k9KksYnxs738QX2I8sa4=; b=d0LL7e5Z5nWX6E3xxeqT/LXDi7 IUyKDkcVGjcPrqhcNKXCzBgYCxDMPCxZk71cr8ZWG9jpvd8BFUA/D0FiipMao5wXcaAxcaoBxeF8g cDrIXGcS3JcKl4xYI0gjTMpLt4/D56mF/8/vJP2RRj4qJVSN7csnXPnGM2hewTpbx8smxe7juf/N5 cp4mxPownxB6ja23FGJDYHDz1lGs+IVM4eAvI+MX/s4LeeTFHmbria5BnNRUx9JQ1IzwFa6k1YezB NNnSstqQdNhxj6lGjjGnNcjRExb2rh4CVurj8gLsNHx26KDx3WK7YIKl1roELhtzAlvfQ9o56WU90 dfu8IY2w==; Received: from mail-wm1-x331.google.com ([2a00:1450:4864:20::331]) by desiato.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vlCG2-00000009LVt-1b7y for linux-arm-kernel@lists.infradead.org; Wed, 28 Jan 2026 20:35:34 +0000 Received: by mail-wm1-x331.google.com with SMTP id 5b1f17b1804b1-4806fbc6bf3so2424515e9.2 for ; Wed, 28 Jan 2026 12:35:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1769632519; x=1770237319; darn=lists.infradead.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; bh=NEmpOzcIBlkA1huyHqaVTW0k9KksYnxs738QX2I8sa4=; b=MPX6ZYMslhpYU0kRCzKmO+TqF9I9Sy8L8J0st9TX2Kri6zNOWWkLolPmnBfBCDUv99 agStfwfL6EmzKpyCqcgpSMRk8h/flbS1jnpyFZh4r2676kd59MenY9B9JSwIQ1i5Gl6h HWvW77EBA20KLmTzo4PVu1Rs0Lb70JekTSEWd31OS2/tVUiab2zLl9wLYwaXxEHzz0LH FgXGYijkOkmDM2GzeN1jeJxVjlODiZ7uOJaSZrR1U+33J9hbJH0Mqtdng7R9cTtULcRV ophd01yG09oFkUhy60B/Ah4eDca630ATGlROeKSFu8yrtLES/cy34aB9rJy060MB1TRH FT3g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1769632519; x=1770237319; 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; bh=NEmpOzcIBlkA1huyHqaVTW0k9KksYnxs738QX2I8sa4=; b=eiF6iRr3x3uN4m9A5F00PUwEaawGTzaxIMc3wh/Do0+P8g8P37AJkgm+yGSpRdN4Pe Tch9hTpHM5PVaLqzZ3ISSepy5ql9iR49QSXFwyvLXqwAOjW0+g56IDS0/7IlHwo+m9xB Y2o4il4Jvoxbqk74HnabPmjEZA1eCyrle8ujHf01GMNVllg5X1M/Q3+F9jUTGUeeCOYY 1UI7YEtaqExy5nPgJPC3KB26NFEe2s7OzujhvO2OaLJK2tWRpf+P0FloDzLdNAYwCJCG ntSn14smMaVUMIOHfzkPXPNJ196Vo/U79jq313ltBBJGzd+tU5LBYrnZbWegSHmQx63h eP9w== X-Gm-Message-State: AOJu0Yz8zeoAyAN5YTX09KzRI1WrC+DreC5nMcV92SbnDLsPug+5gNkH IHwqQ87PRrumIlALkEg8XlWGosq3JuDdbF50WcFcDIk90duoW97A5EfCNiTEOSpG X-Gm-Gg: AZuq6aJadwCYTNDcmhm/0Gu/fs0ofdIFkevjTtMlJm1xBz/f+8naaLrzU5qxXW6syNZ o8h2s6gIt8Ic9IbhKOqajQfwjoQWg+kPojiynF+5g/Vlk/MTcGCHQvVtN7TTlR6R7OVDHtGrwhg yzlgN9+Umi+lC03dveqj/iRG6DXE2XFYAhGXN+qDJ7eTIaaax+16je9ymClL+/p87RCDWnTZX3/ dJMILRdhq/h6rPEOhvdzaa9Qz+Av1L4zVjBpFTmLQW9EqvRZYhOWONgPEYThlGjbPe3Bmak42Hj rc+vnGHQ44fzzHE8MXB3vIP3a78pID+IgZJtc+smoOcEIBt39d1IgLT63EbTsAo334Kygm965Go hCNOrUNT2URD2SFSMNcY3yqoapzAHHARhaH45jQekf+x44rB9gEP8nn7nVi960nXuaoSgBh92rv VNVTwr+zLNQgsOJMXpWjywLW92o878MY5YzUI= X-Received: by 2002:a05:600c:3f0b:b0:47e:e20e:bbb2 with SMTP id 5b1f17b1804b1-48069c0e198mr86825655e9.7.1769632519415; Wed, 28 Jan 2026 12:35:19 -0800 (PST) Received: from strix.doe.home ([197.250.227.106]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-435e10ee04csm9577644f8f.12.2026.01.28.12.35.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Jan 2026 12:35:19 -0800 (PST) From: =?UTF-8?q?Stefan=20D=C3=B6singer?= To: linux-arm-kernel@lists.infradead.org Cc: soc@lists.linux.dev, linus.walleij@linaro.org, Jun Nie , Arnd Bergmann , Drew Fustini Subject: [RFC PATCH v2 7/7] ARM: dts: Declare UART1 on zx297520v3 boards. Date: Wed, 28 Jan 2026 23:34:55 +0300 Message-ID: <20260128203455.38569-8-stefandoesinger@gmail.com> X-Mailer: git-send-email 2.52.0 In-Reply-To: <20260128203455.38569-1-stefandoesinger@gmail.com> References: <20260128203455.38569-1-stefandoesinger@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20260128_203531_700592_E47415A4 X-CRM114-Status: GOOD ( 13.19 ) 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 This is the UART that sends Uboot messages and is accessible via pins on the boards I have seen so far. UART0 and UART2 exist as well, but don't have pins enabled by the bootloader. They will be added later. Signed-off-by: Stefan Dösinger --- arch/arm/boot/dts/zte/zx297520v3.dtsi | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/arch/arm/boot/dts/zte/zx297520v3.dtsi b/arch/arm/boot/dts/zte/zx297520v3.dtsi index ecd07f3fb8b3..09fbb1d052e3 100644 --- a/arch/arm/boot/dts/zte/zx297520v3.dtsi +++ b/arch/arm/boot/dts/zte/zx297520v3.dtsi @@ -6,6 +6,10 @@ / { #address-cells = <1>; #size-cells = <1>; + aliases { + serial1 = &uart1; + }; + cpus { #address-cells = <1>; #size-cells = <0>; @@ -57,5 +61,23 @@ timer { */ arm,cpu-registers-not-fw-configured; }; + + /* The UART clock defaults to 26 mhz. It will be replaced when the zx29 clock + * framework is added. + */ + uartclk: uartclk: clock-26000000 { + #clock-cells = <0>; + compatible = "fixed-clock"; + clock-frequency = <26000000>; + }; + + uart1: serial@1408000 { + compatible = "arm,pl011", "arm,primecell"; + arm,primecell-periphid = <0x001feffe>; + reg = <0x01408000 0x1000>; + interrupts = ; + clocks = <&uartclk>; + clock-names = "apb_pclk"; + }; }; }; -- 2.52.0