From nobody Sun Feb 8 08:27:32 2026 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 BC53623183A; Thu, 1 May 2025 04:43:40 +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=1746074622; cv=none; b=lNlO5vxecSEw8Foiapy6kkjQBZX2qAPKQsZnVqlls1XgQmQlgsev0G65BJ7XwjFeUkkl1mDHDyHvb9d7WNXI7/lMtUxg4Rw8zYW528LPZyMMp18Ngpa+Cvt6UVrI9Ft5Xctll6pCufjKuqbA+6yax4OQgW7odbgt1Cpi1227zxM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746074622; c=relaxed/simple; bh=5FPWhBm4X1OTS7xp/ARoIaRaAOjl3Qg4OzcTMaWFyI4=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=VUbB4mfvMfHQqIAiFBC46m7jZ3pJE0+dMi2yTjsg/Omz0O8cqwOSFQCgo0UrIGblBVvPV3tHTEr2VU0v1xptig5vf2Lh3PzRPjc/CnABOM6/nMRuhbugt/V/tlJd9drLQT79jpuKyx9OMWxPF4+/mVpieM6eeFc+Dv1aXwkRW4E= 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=QKGR4Pxf; 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="QKGR4Pxf" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 0045D25BE2; Thu, 1 May 2025 06:43:39 +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]) (amavis, port 10024) with ESMTP id JfSt8HToqoqj; Thu, 1 May 2025 06:43:37 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1746074617; bh=5FPWhBm4X1OTS7xp/ARoIaRaAOjl3Qg4OzcTMaWFyI4=; h=From:To:Subject:Date:In-Reply-To:References; b=QKGR4Pxfm0vsKev0STRjYqRyiJ8pNwuwFVM6ciHT2RNlpoihDYk9bNbiGoARAhpht aPX6ItGqtNvkbrIrBE9bt6tD8MX/xyI1vtHqbxuwJsso0RkEjoSOubiD8o+USMhmCE lGVOmx1D3SuWKJoOiwy4Xt4A/xB0Qxpa5ZBCOepcMusW/Pz9b/FIPVnRPU/rVxMyd6 nXKygsbiRtUZOlL3ZBw0AWUt22gmStI152FX7wQh1qvmCrksYj7d+A2idlaibEvDnu WhCLwB3Vvr2xabHmEZ4vzEpPboN0qahKRfnkg2kO8xhwDw0wNIFfJMVuN/3bfQrEVi 2Y9zzAtyOZtZg== From: Yao Zi To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Huacai Chen , WANG Xuerui , Yao Zi , Neil Armstrong , Heiko Stuebner , Junhao Xie , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Aradhya Bhatia , Manivannan Sadhasivam , Binbin Zhou , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Mingcong Bai , Kexy Biscuit Subject: [PATCH 1/4] dt-bindings: vendor-prefixes: Add CTCISZ Technology Co., LTD. Date: Thu, 1 May 2025 04:42:37 +0000 Message-ID: <20250501044239.9404-3-ziyao@disroot.org> In-Reply-To: <20250501044239.9404-2-ziyao@disroot.org> References: <20250501044239.9404-2-ziyao@disroot.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" CTCISZ Technology Co., LTD. is a company specializing in designing of embedded systems. Document the vendor prefix. Link: http://www.ctcisz.com/ Signed-off-by: Yao Zi Acked-by: Krzysztof Kozlowski Reviewed-by: Yanteng Si --- Documentation/devicetree/bindings/vendor-prefixes.yaml | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Documentation/devicetree/bindings/vendor-prefixes.yaml b/Docum= entation/devicetree/bindings/vendor-prefixes.yaml index 86f6a19b28ae..02f35e583948 100644 --- a/Documentation/devicetree/bindings/vendor-prefixes.yaml +++ b/Documentation/devicetree/bindings/vendor-prefixes.yaml @@ -344,6 +344,8 @@ patternProperties: description: Guangzhou China Star Optoelectronics Technology Co., Ltd "^csq,.*": description: Shenzen Chuangsiqi Technology Co.,Ltd. + "^ctcisz,.*": + description: CTCISZ Technology Co.,Ltd. "^ctera,.*": description: CTERA Networks Intl. "^ctu,.*": --=20 2.49.0 From nobody Sun Feb 8 08:27:32 2026 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 DFA14230996; Thu, 1 May 2025 04:43:44 +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=1746074626; cv=none; b=QCe4jFZAzgILFDntFwKoqH607rbmx5mPcPiZInClqSkuKeCurPBhz9Gqg+i1/pdRrralQHtZZQwWd76eCMaOkYGXWRIZkhfK/uBv7xECXcOmrZDLPklQVRRDZeEnwn23/Ven72pmns0wRC3k9a0kkPsJHD/6Yr9TzR2sOC4UGEE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746074626; c=relaxed/simple; bh=RggON0UjwVa+nbqqp6XR8ixRZig/L4ZZxgT1eqqtdto=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=IgwYyc1RKPwjf+V9/mvlz3r8+9F6NFGDWZpv2/b6szXwRAqVMXdaKACfV+N38jcu6oxqe84+igGPDn5OItt1MWHrrhKRlkmHuzoySA0UIOYZxTlbl2M5PFd/DBtnQfWmJ5Ha5Cc9imKpkpv1+FLHkva4ZiHOJZuTWMCzst9wG1Q= 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=j7VHJL12; 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="j7VHJL12" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 8828F25EBC; Thu, 1 May 2025 06:43:43 +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]) (amavis, port 10024) with ESMTP id LtbNEGX4b9kL; Thu, 1 May 2025 06:43:42 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1746074622; bh=RggON0UjwVa+nbqqp6XR8ixRZig/L4ZZxgT1eqqtdto=; h=From:To:Subject:Date:In-Reply-To:References; b=j7VHJL12eErrouR3BXBI2wHFqjcosCW3XIxpVdDGrE3SGNE2ZUarkVmFy7qNPOzPV Y+UPapI20hv6wr38hlDg7mUT92ExAE8OjF49TsEM6QVotpychccq0lVyZ91DVZX9CW QBtK6x7BudJduElt57coIvFCQHbICnn5uLIBYPVkAp1PdMkpMo8hDXX++ihLpOCi8z hce0Nc+AXaeJ5R189O2CRZVuH7mgWF+dY8ENaNmDuPhD7xIhxCy+HXwp67OhzyPKlo A7+Bo7tS5JH/lDhPV5qMjlQMY6QtbmfqS5VTp52y4Vvk+eCQnbJmCXZQDTFNNjw27Y wnkloDwxdcRUg== From: Yao Zi To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Huacai Chen , WANG Xuerui , Yao Zi , Neil Armstrong , Heiko Stuebner , Junhao Xie , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Aradhya Bhatia , Manivannan Sadhasivam , Binbin Zhou , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Mingcong Bai , Kexy Biscuit Subject: [PATCH 2/4] dt-bindings: LoongArch: Add CTCISZ Ninenine Pi Date: Thu, 1 May 2025 04:42:38 +0000 Message-ID: <20250501044239.9404-4-ziyao@disroot.org> In-Reply-To: <20250501044239.9404-2-ziyao@disroot.org> References: <20250501044239.9404-2-ziyao@disroot.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Ninenine Pi is an Loongson 2K0300-based development board produced by CTCISZ. Features include, - 512MiB DDR4 RAM - On-board eMMC storage - Optional SD Card support - 2 USB 2.0 Ports (OTG and HOST) - 1 GbE Ethernet port - Optional WiFi/BT support - Audio output through 3.5mm phone connector - Optional display output through RAW RGB interface Add compatible string for the board. Signed-off-by: Yao Zi Acked-by: Krzysztof Kozlowski Reviewed-by: Yanteng Si --- Documentation/devicetree/bindings/loongarch/loongson.yaml | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/Documentation/devicetree/bindings/loongarch/loongson.yaml b/Do= cumentation/devicetree/bindings/loongarch/loongson.yaml index e1a4a97b7576..aac4af9ee97a 100644 --- a/Documentation/devicetree/bindings/loongarch/loongson.yaml +++ b/Documentation/devicetree/bindings/loongarch/loongson.yaml @@ -14,6 +14,11 @@ properties: const: '/' compatible: oneOf: + - description: CTCISZ Ninenine Pi + items: + - const: ctcisz,ninenine-pi + - const: loongson,ls2k0300 + - description: Loongson-2K0500 processor based boards items: - const: loongson,ls2k0500-ref --=20 2.49.0 From nobody Sun Feb 8 08:27:32 2026 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 9D0BA23182B; Thu, 1 May 2025 04:44:19 +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=1746074662; cv=none; b=Kb3RjvWQH8yH640uio58zk0gCyAAZT/AA4WgUtK0UFNJluL4ThzDrwc1Se9sK/q1wocbFU2+rUb6b4P7WhfXCZDLjFCs69RdTAN1YcbrVcG33MEmttQMpOwFw77lsweeWeOlZl/KqBZVjWZ6AYYHdzo/qf1tNUm1XVrTg/S7c7o= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1746074662; c=relaxed/simple; bh=SyCJ/reSUubb99ctTUvB3WbQtd7pVrDCg1rAbj9qt2w=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Ny23I2duVdTyvqIpbt/D7n8XorbAIk3OzUNtUiFRhbZRWcKYyT5P3a2/b8S1mik/3yxoXDqRv1z/abQ15cvIq3uLZvVC7RPQNUMzkOl5LeoqVpD/KtKu2rcZUZiynv2Vm7c7yFTHZ4fZVPu+sdJ3+1tyU4cDj+3ydn9UTj8IWj0= 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=XKM99spk; 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="XKM99spk" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 0446B25EBB; Thu, 1 May 2025 06:44:18 +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]) (amavis, port 10024) with ESMTP id QmODMxWgfTDT; Thu, 1 May 2025 06:44:17 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1746074657; bh=SyCJ/reSUubb99ctTUvB3WbQtd7pVrDCg1rAbj9qt2w=; h=From:To:Subject:Date:In-Reply-To:References; b=XKM99spkhBhPCynmOdVdf9G+Lmh/EuEEpVdKg0awDdnw7Pj/ZHQj31UUzMvB5mXoz b/akOQW9mp2V4p/ObraYvPs3Wrfo5Umu8509GZ/RJFj8wxNG9OXrtfMBlqB9Y6NSlD VnTfgjE7NpatwtkRz+cNz26quTHmN3dWaEfKOBAxhwj6G+d7SX4rUFN1uhidWY50UP 2jpgHyyWT1FfrL0GdnDR6l9fSZRPfUKzYoVLC1pYSqB8cpWUiEyj4yfx/jT2KSVPll 84YQgHzMFrpe/b+7T/uCCfo6SJU5nwnp1jE54AM+Bfkn+2gACdhWgF8oGIwsR7yyz3 8GdhNH2ac1z8g== From: Yao Zi To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Huacai Chen , WANG Xuerui , Yao Zi , Neil Armstrong , Heiko Stuebner , Junhao Xie , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Aradhya Bhatia , Manivannan Sadhasivam , Binbin Zhou , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Mingcong Bai , Kexy Biscuit Subject: [PATCH 3/4] LoongArch: dts: Add initial SoC devicetree for Loongson 2K0300 Date: Thu, 1 May 2025 04:42:39 +0000 Message-ID: <20250501044239.9404-5-ziyao@disroot.org> In-Reply-To: <20250501044239.9404-2-ziyao@disroot.org> References: <20250501044239.9404-2-ziyao@disroot.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Add SoC devicetree for 2K0300 SoC, which features one LA264 dual-issue core and targets embedded market. Only CPU core, legacy interrupt controllers and UARTs are defined for now. Signed-off-by: Yao Zi Reviewed-by: Yanteng Si --- arch/loongarch/boot/dts/loongson-2k0300.dtsi | 197 +++++++++++++++++++ 1 file changed, 197 insertions(+) create mode 100644 arch/loongarch/boot/dts/loongson-2k0300.dtsi diff --git a/arch/loongarch/boot/dts/loongson-2k0300.dtsi b/arch/loongarch/= boot/dts/loongson-2k0300.dtsi new file mode 100644 index 000000000000..6991a368ff94 --- /dev/null +++ b/arch/loongarch/boot/dts/loongson-2k0300.dtsi @@ -0,0 +1,197 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 Loongson Technology Corporation Limited + * Copyright (C) 2025 Yao Zi + */ + +/dts-v1/; + +#include + +/ { + compatible =3D "loongson,ls2k0300"; + #address-cells =3D <2>; + #size-cells =3D <2>; + + aliases { + serial0 =3D &uart0; + serial1 =3D &uart1; + serial2 =3D &uart2; + serial3 =3D &uart3; + serial4 =3D &uart4; + serial5 =3D &uart5; + serial6 =3D &uart6; + serial7 =3D &uart7; + serial8 =3D &uart8; + serial9 =3D &uart9; + }; + + cpus { + #address-cells =3D <1>; + #size-cells =3D <0>; + + cpu0: cpu@0 { + compatible =3D "loongson,la264"; + reg =3D <0>; + device_type =3D "cpu"; + clocks =3D <&cpu_clk>; + }; + + }; + + cpuintc: interrupt-controller { + compatible =3D "loongson,cpu-interrupt-controller"; + interrupt-controller; + #interrupt-cells =3D <1>; + }; + + cpu_clk: clock-1000m { + compatible =3D "fixed-clock"; + clock-frequency =3D <1000000000>; + #clock-cells =3D <0>; + }; + + soc { + compatible =3D "simple-bus"; + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges =3D <0x00 0x10000000 0x00 0x10000000 0x0 0x10000000>, + <0x00 0x02000000 0x00 0x02000000 0x0 0x04000000>, + <0x00 0x40000000 0x00 0x40000000 0x0 0x40000000>; + + liointc0: interrupt-controller@16001400{ + compatible =3D "loongson,liointc-2.0"; + reg =3D <0x0 0x16001400 0x0 0x40>, + <0x0 0x16001040 0x0 0x8>; + reg-names =3D "main", "isr0"; + + interrupt-controller; + #interrupt-cells =3D <2>; + + interrupt-parent =3D <&cpuintc>; + interrupts =3D <2>; + interrupt-names =3D "int0"; + + loongson,parent_int_map =3D <0xffffffff>, /* int0 */ + <0x00000000>, /* int1 */ + <0x00000000>, /* int2 */ + <0x00000000>; /* int3 */ + }; + + liointc1: interrupt-controller@16001440 { + compatible =3D "loongson,liointc-2.0"; + reg =3D <0x0 0x16001440 0x0 0x40>, + <0x0 0x16001048 0x0 0x8>; + reg-names =3D "main", "isr0"; + + interrupt-controller; + #interrupt-cells =3D <2>; + + interrupt-parent =3D <&cpuintc>; + interrupts =3D <4>; + interrupt-names =3D "int2"; + + loongson,parent_int_map =3D <0x00000000>, /* int0 */ + <0x00000000>, /* int1 */ + <0xffffffff>, /* int2 */ + <0x00000000>; /* int3 */ + }; + + uart0: serial@16100000 { + compatible =3D "ns16550a"; + reg =3D <0 0x16100000 0 0x10>; + interrupt-parent =3D <&liointc0>; + interrupts =3D <0 IRQ_TYPE_LEVEL_HIGH>; + no-loopback-test; + status =3D "disabled"; + }; + + uart1: serial@16100400 { + compatible =3D "ns16550a"; + reg =3D <0 0x16100400 0 0x10>; + interrupt-parent =3D <&liointc0>; + interrupts =3D <1 IRQ_TYPE_LEVEL_HIGH>; + no-loopback-test; + status =3D "disabled"; + }; + + uart2: serial@16100800 { + compatible =3D "ns16550a"; + reg =3D <0 0x16100800 0 0x10>; + interrupt-parent =3D <&liointc0>; + interrupts =3D <2 IRQ_TYPE_LEVEL_HIGH>; + no-loopback-test; + status =3D "disabled"; + }; + + uart3: serial@16100c00 { + compatible =3D "ns16550a"; + reg =3D <0 0x16100c00 0 0x10>; + interrupt-parent =3D <&liointc0>; + interrupts =3D <2 IRQ_TYPE_LEVEL_HIGH>; + no-loopback-test; + status =3D "disabled"; + }; + + uart4: serial@16101000 { + compatible =3D "ns16550a"; + reg =3D <0 0x16101000 0 0x10>; + interrupt-parent =3D <&liointc0>; + interrupts =3D <2 IRQ_TYPE_LEVEL_HIGH>; + no-loopback-test; + status =3D "disabled"; + }; + + uart5: serial@16101400 { + compatible =3D "ns16550a"; + reg =3D <0 0x16101400 0 0x10>; + interrupt-parent =3D <&liointc0>; + interrupts =3D <2 IRQ_TYPE_LEVEL_HIGH>; + no-loopback-test; + status =3D "disabled"; + }; + + uart6: serial@16101800 { + compatible =3D "ns16550a"; + reg =3D <0 0x16101800 0 0x10>; + interrupt-parent =3D <&liointc0>; + interrupts =3D <3 IRQ_TYPE_LEVEL_HIGH>; + no-loopback-test; + status =3D "disabled"; + }; + + uart7: serial@16101c00 { + compatible =3D "ns16550a"; + reg =3D <0 0x16101c00 0 0x10>; + interrupt-parent =3D <&liointc0>; + interrupts =3D <3 IRQ_TYPE_LEVEL_HIGH>; + no-loopback-test; + status =3D "disabled"; + }; + + uart8: serial@16102000 { + compatible =3D "ns16550a"; + reg =3D <0 0x16102000 0 0x10>; + interrupt-parent =3D <&liointc0>; + interrupts =3D <3 IRQ_TYPE_LEVEL_HIGH>; + no-loopback-test; + status =3D "disabled"; + }; + + uart9: serial@16102400 { + compatible =3D "ns16550a"; + reg =3D <0 0x16102400 0 0x10>; + interrupt-parent =3D <&liointc0>; + interrupts =3D <3 IRQ_TYPE_LEVEL_HIGH>; + no-loopback-test; + status =3D "disabled"; + }; + + isa@16400000 { + compatible =3D "isa"; + #address-cells =3D <2>; + #size-cells =3D <1>; + ranges =3D <1 0x0 0x0 0x16400000 0x4000>; + }; + }; +}; --=20 2.49.0 From nobody Sun Feb 8 08:27:32 2026 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 61F41233149; 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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="OEkw6Tbx" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id B22CE25EF5; Thu, 1 May 2025 06:44:23 +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]) (amavis, port 10024) with ESMTP id PAlZ3cr2ZZX3; Thu, 1 May 2025 06:44:23 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1746074663; bh=/LzP27Kr7PItlbaBuhA2H/AWoUL7f41PHi1KHFImP2Y=; h=From:To:Subject:Date:In-Reply-To:References; b=OEkw6TbxGDtroVG2dOqG4y/dgWTkRXTvBnJXLEqMtQyasWVYLTgYKwoi5ikD2I8nL jYu1PyjJ3wFhu1GP2xRob6s6gr0t++gG4us6008D3SU8delOSy+TbYwyldlriyjgSM 18IM3hRT/GzjOUNrQr+1QNw8RdN90cbY87CLeIE5zIJRiaztTG+42XJAjDFRKjxDFZ ZFlumOJpk9YzaACLEMy2wCPsl5Y1EThmScYIZkj2Pa3T8k6bkunEDaebN80CZhqbe5 gLsTlE2FgUa/YQLs3vshDgEOKPoc6UZTNDvLSfTIyRGpxiMiT6qLOZKPk9OVbGSfHu mVJQ+BivgSD5A== From: Yao Zi To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Huacai Chen , WANG Xuerui , Yao Zi , Neil Armstrong , Heiko Stuebner , Junhao Xie , =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= , Aradhya Bhatia , Manivannan Sadhasivam , Binbin Zhou , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Mingcong Bai , Kexy Biscuit Subject: [PATCH 4/4] LoongArch: dts: Add initial devicetree for CTCISZ Ninenine Pi Date: Thu, 1 May 2025 04:42:40 +0000 Message-ID: <20250501044239.9404-6-ziyao@disroot.org> In-Reply-To: <20250501044239.9404-2-ziyao@disroot.org> References: <20250501044239.9404-2-ziyao@disroot.org> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Enable UART0 as it's the boot UART used by firmware. Signed-off-by: Yao Zi Reviewed-by: Yanteng Si --- arch/loongarch/boot/dts/Makefile | 1 + .../boot/dts/ls2k0300-ctcisz-nineninepi.dts | 41 +++++++++++++++++++ 2 files changed, 42 insertions(+) create mode 100644 arch/loongarch/boot/dts/ls2k0300-ctcisz-nineninepi.dts diff --git a/arch/loongarch/boot/dts/Makefile b/arch/loongarch/boot/dts/Mak= efile index 15d5e14fe418..e55df9f385af 100644 --- a/arch/loongarch/boot/dts/Makefile +++ b/arch/loongarch/boot/dts/Makefile @@ -1,3 +1,4 @@ # SPDX-License-Identifier: GPL-2.0-only =20 dtb-y =3D loongson-2k0500-ref.dtb loongson-2k1000-ref.dtb loongson-2k2000-= ref.dtb +dtb-y +=3D ls2k0300-ctcisz-nineninepi.dtb diff --git a/arch/loongarch/boot/dts/ls2k0300-ctcisz-nineninepi.dts b/arch/= loongarch/boot/dts/ls2k0300-ctcisz-nineninepi.dts new file mode 100644 index 000000000000..a67a8ce4211e --- /dev/null +++ b/arch/loongarch/boot/dts/ls2k0300-ctcisz-nineninepi.dts @@ -0,0 +1,41 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 Yao Zi + */ + +/dts-v1/; + +#include "loongson-2k0300.dtsi" + +/ { + compatible =3D "ctcisz,ninenine-pi", "loongson,ls2k0300"; + model =3D "CTCISZ Ninenine Pi"; + + chosen { + stdout-path =3D "serial0:115200n8"; + }; + + memory@200000 { + device_type =3D "memory"; + reg =3D <0 0x00200000 0 0x0ee00000>, + <0 0x90000000 0 0x10000000>; + }; + + reserved-memory { + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges; + + linux,cma { + compatible =3D "shared-dma-pool"; + reusable; + size =3D <0 0x02000000>; + linux,cma-default; + }; + }; +}; + +&uart0 { + clock-frequency =3D <100000000>; + status =3D "okay"; +}; --=20 2.49.0