From patchwork Sat Aug 3 12:55:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Yao Zi X-Patchwork-Id: 13752378 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 33E98C49EA1 for ; Sat, 3 Aug 2024 12:58:34 +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:References:In-Reply-To:Message-ID:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=+4jOaE3jvszsviydksa4bKXCEkns/79oYqTGkua/9s4=; b=t/XN2oCibJG7RH5a2EeE6RLmBx IpfKhWADBfIwO1aqiXWYq6CguNgIHuUc4NNTGTCGK4RumEFAtoS25pDJDn4TbjjPGFI30H1StgI9Z EPQAlUwhSi1zgyqeIV2HgURHy0/USfli27tXkkAuzXSKxTDyNgkTu7djDvCj6ebQR9RqpNaB3HWNL xL8eAMba6p5hMyf2adX5o0E8IhnQlfJ7dwYTnfWeV1fGDeUHgnuUsydZbPxltWHuCUEYfZcixVJxI tEl+goILosSMxDSUShkn7R7w5m7RIsE4VbfEgSTXfA+ZSSZnIZ5Na/Pqb3BH6QGizfi48ndLpblzJ 7WlvDi5Q==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.97.1 #2 (Red Hat Linux)) id 1saEL2-0000000BRBD-2xNR; Sat, 03 Aug 2024 12:58:24 +0000 Received: from layka.disroot.org ([178.21.23.139]) by bombadil.infradead.org with esmtps (Exim 4.97.1 #2 (Red Hat Linux)) id 1saEJL-0000000BQfW-21Uv; Sat, 03 Aug 2024 12:56:41 +0000 Received: from localhost (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id E7F7741543; Sat, 3 Aug 2024 14:56:37 +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 dGS0zS6EjaY3; Sat, 3 Aug 2024 14:56:37 +0200 (CEST) From: Yao Zi DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1722689796; bh=lfSq/X6YRD5PkpNYt4Z/eClK/AGs8PNzLbbGY0txUPA=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Uk9/diFyJhG1KLzh7G9qKA3W8lAx3fwAuPQPeIM4WKH+1O5FELJJ+UEKm9JlK9sVn ubrkRcYJ7FSAveevxzbHx5iuNHxAPNk05F49VR9Ko/RtM8AQkgckEZ0sM35MM20IpQ OGSDu5cU04/05tr57iUgnyg2sS4kg7mmMBzhh2rSJwWB1N4U6sdo8VOFN5XbkqilMi aAmsTWtAFWajmxenJGfAJYFQnjC+0hIBvJrj7gSyZYQu4x9KAEfxUI7gzmuOMGdrYw apReQWbztd7ZPuax3RkSMMpaQc6X6ksQa1vLVYCkil/CcIVsn26rKRjKRnE+g/mMju lKq0RqITxWPcQ== 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 Cc: 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, Yao Zi Subject: [PATCH 3/4] arm64: dts: rockchip: Add base DT for rk3528 SoC Date: Sat, 3 Aug 2024 12:55:10 +0000 Message-ID: <20240803125510.4699-5-ziyao@disroot.org> In-Reply-To: <20240803125510.4699-2-ziyao@disroot.org> References: <20240803125510.4699-2-ziyao@disroot.org> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240803_055640_279549_B0F01676 X-CRM114-Status: GOOD ( 13.59 ) 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 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 | 182 +++++++++++++++++++++++ 1 file changed, 182 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..77687d9e7e80 --- /dev/null +++ b/arch/arm64/boot/dts/rockchip/rk3528.dtsi @@ -0,0 +1,182 @@ +// 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 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x0>; + enable-method = "psci"; + }; + + cpu1: cpu@1 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x1>; + enable-method = "psci"; + }; + + cpu2: cpu@2 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x2>; + enable-method = "psci"; + }; + + cpu3: cpu@3 { + device_type = "cpu"; + compatible = "arm,cortex-a53"; + reg = <0x3>; + enable-method = "psci"; + }; + }; + + psci { + compatible = "arm,psci-1.0", "arm,psci-0.2"; + method = "smc"; + }; + + timer { + compatible = "arm,armv8-timer"; + interrupts = , + , + , + ; + }; + + xin24m: xin24m { + compatible = "fixed-clock"; + #clock-cells = <0>; + clock-frequency = <24000000>; + clock-output-names = "xin24m"; + }; + + gic: interrupt-controller@fed01000 { + compatible = "arm,gic-400"; + #interrupt-cells = <3>; + #address-cells = <0>; + interrupt-controller; + reg = <0x0 0xfed01000 0 0x1000>, + <0x0 0xfed02000 0 0x2000>, + <0x0 0xfed04000 0 0x2000>, + <0x0 0xfed06000 0 0x2000>; + interrupts = ; + }; + + uart0: serial@ff9f0000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xff9f0000 0x0 0x100>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + clock-frequency = <24000000>; + status = "disabled"; + }; + + uart1: serial@ff9f8000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xff9f8000 0x0 0x100>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart2: serial@ffa00000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa00000 0x0 0x100>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart3: serial@ffa08000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa08000 0x0 0x100>; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart4: serial@ffa10000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa10000 0x0 0x100>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart5: serial@ffa18000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa18000 0x0 0x100>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart6: serial@ffa20000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa20000 0x0 0x100>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; + + uart7: serial@ffa28000 { + compatible = "rockchip,rk3528-uart", "snps,dw-apb-uart"; + reg = <0x0 0xffa28000 0x0 0x100>; + interrupts = ; + reg-shift = <2>; + reg-io-width = <4>; + status = "disabled"; + }; +};