From patchwork Thu Aug 29 09:27:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yao Zi X-Patchwork-Id: 824555 Received: from layka.disroot.org (layka.disroot.org [178.21.23.139]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 1CE1918EFC3; Thu, 29 Aug 2024 09:28:56 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724923739; cv=none; b=Z8I+aRcC6C7itvxt9ukrDmaNc92+QDhxz3GwyK08v1IC86hssoBYjJIO+Hj5FZvEfjwIT1O8gkAe2kyTZGX5kPRjxfSMxRg69ExWXD2z73+X5M/sRghUvkAKh9yeM/tNB1qFLp689v4GypM5Hz8Gh3fC1KZnoYNT1/xfnNPnIiM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1724923739; c=relaxed/simple; bh=2P0Td7MQRwxgzR/oEw63fn6PAcBhuVmzzMMKyak/cQU=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=qpvorxDYIKK1h4g3QoFDuIMo6Yndi5wFbK6dfJ/3cv++wV0Oq0chATVhF8k5kti2bprrznnZKRqz1G9PCqsmUiQ5SLPwcXwwvubGxSscjThnce0G9TJE7olInlWsuYlmNGr6RzXtFTeZ6K3OeT4MLuIkh5DmmRm8n0wSb/kv2IM= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org; spf=pass smtp.mailfrom=disroot.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b=FWj/1gfC; arc=none smtp.client-ip=178.21.23.139 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=reject dis=none) header.from=disroot.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=disroot.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=disroot.org header.i=@disroot.org header.b="FWj/1gfC" Received: from localhost (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 2011641029; Thu, 29 Aug 2024 11:28:55 +0200 (CEST) X-Virus-Scanned: SPAM Filter at disroot.org Received: from layka.disroot.org ([127.0.0.1]) by localhost (disroot.org [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id cJzsqCRBOUbj; Thu, 29 Aug 2024 11:28:54 +0200 (CEST) From: Yao Zi DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1724923734; bh=2P0Td7MQRwxgzR/oEw63fn6PAcBhuVmzzMMKyak/cQU=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=FWj/1gfCevGRgaKQ2jL7NK6SPZHghka/KRbAqhfQG21GGbeEYOBTIBwJwdMZTzWws PkEFiNmrUqBVrnc3R1AIAK9Q7s6Sr6M/Gx8toElXWuEMJpfHSkw6TlSYdjCP5cdKwr SSmtKM1jEpgDFWvxE+RiT57H0Sh8sUr/6rcHLOkOfRTXa9oHcaekv1AugatczkgkZQ Mu/CPLxiIzEIGtG4J/A1UpH6yRLhH93XndwpTzInYWJeGDwhB9zPmkrJxpg4shn5Iv XFCrCzKUcb3zn8BA0Ptu5upehhN94ApxeBMRh+iRTpxngdplPyu58wo4W7FkP76v4b fbRHOHsyQ4e/w== To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Heiko Stuebner , Greg Kroah-Hartman , Jiri Slaby , Chris Morgan , Jonas Karlman , Tim Lunn , Andy Yan , Muhammed Efe Cetin , Jagan Teki , Dragan Simic , Ondrej Jirman , devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-rockchip@lists.infradead.org, linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org Cc: Celeste Liu , Yao Zi Subject: [PATCH v4 3/4] arm64: dts: rockchip: Add base DT for rk3528 SoC Date: Thu, 29 Aug 2024 09:27:04 +0000 Message-ID: <20240829092705.6241-4-ziyao@disroot.org> In-Reply-To: <20240829092705.6241-1-ziyao@disroot.org> References: <20240829092705.6241-1-ziyao@disroot.org> Precedence: bulk X-Mailing-List: linux-serial@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 This initial device tree describes CPU, interrupts and UART on the chip and is able to boot into basic kernel with only UART. Cache information is omitted for now as there is no precise documentation. Support for other features will be added later. Signed-off-by: Yao Zi --- arch/arm64/boot/dts/rockchip/rk3528.dtsi | 189 +++++++++++++++++++++++ 1 file changed, 189 insertions(+) create mode 100644 arch/arm64/boot/dts/rockchip/rk3528.dtsi diff --git a/arch/arm64/boot/dts/rockchip/rk3528.dtsi b/arch/arm64/boot/dts/rockchip/rk3528.dtsi new file mode 100644 index 000000000000..e58faa985aa4 --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi @@ -0,0 +1,189 @@ +// SPDX-License-Identifier: (GPL-2.0+ OR MIT) +/* + * Copyright (c) 2022 Rockchip Electronics Co., Ltd. + * Copyright (c) 2024 Yao Zi + */ + +#include +#include + +/ { + compatible = "rockchip,rk3528"; + + interrupt-parent = <&gic>; + #address-cells = <2>; + #size-cells = <2>; + + aliases { + serial0 = &uart0; + serial1 = &uart1; + serial2 = &uart2; + serial3 = &uart3; + serial4 = &uart4; + serial5 = &uart5; + serial6 = &uart6; + serial7 = &uart7; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu-map { + cluster0 { + core0 { + cpu = <&cpu0>; + }; + core1 { + cpu = <&cpu1>; + }; + core2 { + cpu = <&cpu2>; + }; + core3 { + cpu = <&cpu3>; + }; + }; + }; + + cpu0: cpu@0 { + compatible = "arm,cortex-a53"; + reg = <0x0>; + device_type = "cpu"; + enable-method = "psci"; + }; + + cpu1: cpu@1 { + compatible = "arm,cortex-a53"; + reg = <0x1>; + device_type = "cpu"; + enable-method = "psci"; + }; + + cpu2: cpu@2 { + compatible = "arm,cortex-a53"; + reg = <0x2>; + device_type = "cpu"; + enable-method = "psci"; + }; + + cpu3: cpu@3 { + compatible = "arm,cortex-a53"; + reg = <0x3>; + device_type = "cpu"; + enable-method = "psci"; + }; + }; + + psci { + compatible = "arm,psci-1.0", "arm,psci-0.2"; + method = "smc"; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , + , + , + ; + }; + + xin24m: clock-xin24m { + compatible = "fixed-clock"; + clock-frequency = <24000000>; + clock-output-names = "xin24m"; + #clock-cells = <0>; + }; + + soc { + compatible = "simple-bus"; + ranges = <0x0 0xfe000000 0x0 0xfe000000 0x0 0x2000000>; + #address-cells = <2>; + #size-cells = <2>; + + gic: interrupt-controller@fed01000 { + compatible = "arm,gic-400"; + reg = <0x0 0xfed01000 0 0x1000>, + <0x0 0xfed02000 0 0x2000>, + <0x0 0xfed04000 0 0x2000>, + <0x0 0xfed06000 0 0x2000>; + interrupts = ; + interrupt-controller; + #address-cells = <0>; + #interrupt-cells = <3>; + }; + + uart0: serial@ff9f0000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xff9f0000 0x0 0x100>; + clock-frequency = <24000000>; + interrupts = ; + reg-io-width = <4>; + reg-shift = <2>; + status = "disabled"; + }; + + uart1: serial@ff9f8000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xff9f8000 0x0 0x100>; + interrupts = ; + reg-io-width = <4>; + reg-shift = <2>; + status = "disabled"; + }; + + uart2: serial@ffa00000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa00000 0x0 0x100>; + interrupts = ; + reg-io-width = <4>; + reg-shift = <2>; + status = "disabled"; + }; + + uart3: serial@ffa08000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa08000 0x0 0x100>; + reg-io-width = <4>; + reg-shift = <2>; + status = "disabled"; + }; + + uart4: serial@ffa10000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa10000 0x0 0x100>; + interrupts = ; + reg-io-width = <4>; + reg-shift = <2>; + status = "disabled"; + }; + + uart5: serial@ffa18000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa18000 0x0 0x100>; + interrupts = ; + reg-io-width = <4>; + reg-shift = <2>; + status = "disabled"; + }; + + uart6: serial@ffa20000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa20000 0x0 0x100>; + interrupts = ; + reg-io-width = <4>; + reg-shift = <2>; + status = "disabled"; + }; + + uart7: serial@ffa28000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa28000 0x0 0x100>; + interrupts = ; + reg-io-width = <4>; + reg-shift = <2>; + status = "disabled"; + }; + }; +};