From nobody Fri Dec 19 17:17:27 2025 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 C39AD188CB1; Sun, 18 May 2025 08:04:31 +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=1747555473; cv=none; b=mwIctffR0weRNydDWBpRpBHL+JqO7pmUZlaF8gVg66cMHcsjrYoFu4fnKrPO36D/U60yiYHMu72Pt3VaNw8lirWiXG/C7K6k6eZgqJkNmV5/TS+vdaaB3oj0Lb/Ul7mYzBvh2jKCNAEUbaQOP1lRNW401ZBSNpCgPrMOAWsqlu8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747555473; c=relaxed/simple; bh=4kTselMSX3qhJVX2g5hVPG/pZaQRbrwMDnvZHbpjioM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=NGE1vkeQ+/jcskDFxWCWw+Nd0KxZazIfBMr/SMTeP/2YRR5ssjk7mRmhQe3Zw5xFPVfoR01bli31H4Q20WGBy+Tq+aDruvWD7SSUeCMJXuZ6d9al9NqYzvkkG6ugsZ/9b/Uf2LTNUfiSUTi52s5vekMoovqEgKWplUQZujoGOTE= 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=PjidECWP; 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="PjidECWP" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id B994525EF1; Sun, 18 May 2025 10:04:23 +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 BEADBvbzyKv1; Sun, 18 May 2025 10:04:22 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1747555462; bh=4kTselMSX3qhJVX2g5hVPG/pZaQRbrwMDnvZHbpjioM=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=PjidECWPLcLc0GdlG+TBd5cd21DiefWYf6ipk8OkSMGg0ZBPFAJ9AvR3tcu24caT4 OuIDkj9RvvuLlYW+jWGz2P04OvnhFZjIXJXwYw4h7ukutOs3SVdI2YCBcNnu8+AZyj 6QCThavnK+EOBEX3VriR8wh2SFhNCOiiEfUXb73eNtzbKoqXFQ2gHaVyOGcU1/ovyM V8FEdgzOag4GUsBmRTnb8TJ9oxaJKOqvOe2QikaMOEqH21TeK9EuQqEkBMqdN+ovue 7ZyunveknSc2iyppREA/fNrOUPvpZplAoMOmzLTm0EsptR7a0DEUfrB1S5SKJwUSHC SrrxeqE5fCcuw== 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 Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Mingcong Bai , Kexy Biscuit , Krzysztof Kozlowski Subject: [PATCH v2 1/4] dt-bindings: vendor-prefixes: Add CTCISZ Technology Co., LTD. Date: Sun, 18 May 2025 08:03:53 +0000 Message-ID: <20250518080356.43885-2-ziyao@disroot.org> In-Reply-To: <20250518080356.43885-1-ziyao@disroot.org> References: <20250518080356.43885-1-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 Fri Dec 19 17:17:27 2025 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 63DB2207A27; Sun, 18 May 2025 08:04:32 +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=1747555473; cv=none; b=N1Yxm7foTQ6cph3nWnbw/vYKtiGhPfMQyOXahumG2dda2iJ9XFL5Vishg5KrWH+LbBxQTxQJjpAlR3HG8KKlKO9W4B3FwgZFjuDO6yL1kpE2/KokCuo+BQqU+DWPLLG2wq0BZ6Gq9BE9MNTVR7J4WXiQDWNoZgjtOarXdqXmJcI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747555473; c=relaxed/simple; bh=5KHmBBvl01x1E1rXj0OjY30i7zTUdOxC7pZWcecdwV4=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=l3g1uTIEB1ckEDUp7KrJSbU+HGde6RGZh3+kVseDFC/Zjh3EHErxAH8csuIIfeaa6inqYdMW8T+BeM04eaX2ma6nueMVhpgwJosymAITcBjy5Nrc7SeVUBhSetccgBlnQKozbSQK9wQxXuIs8ymIYm9bqHDL0xdU2w8ZwUCxH4I= 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=QSejKNCS; 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="QSejKNCS" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id DB38C25FD8; Sun, 18 May 2025 10:04:30 +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 nAc9ptVaQyOZ; Sun, 18 May 2025 10:04:30 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1747555470; bh=5KHmBBvl01x1E1rXj0OjY30i7zTUdOxC7pZWcecdwV4=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=QSejKNCSHkfp/0OonOyuR1GcPm9InJ9Cpy+eZqtfyI1Znbz+2qkXR6BslY/5c4d7k DpfsSW9KM7sfrz2UpEQJ2TavbK0xgWSZt4IEnr54t5DL713mcCOsnXLT8beTmpC5TY zG2mRPj9pZGP1nLF/vxSoCFSLr4a+Sp+IKzw9JNIwe738HqsB2fe4MABCzrQisCiE1 0s8podtDZ/rLgJtfh6o4sHCCK2D7EZutTTHP+gPg7K3bgqAn6Z40QvsoNIVex4D/wS wKFJdmjsdYXIwjQ7LGERjQm/vPBPeOYmt3vbRKwDeLA/HTBLHnQMLMJv7TXYMIR0Yn F5ckVehRSY+Ow== 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 Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Mingcong Bai , Kexy Biscuit Subject: [PATCH v2 2/4] dt-bindings: LoongArch: Add CTCISZ Forever Pi Date: Sun, 18 May 2025 08:03:54 +0000 Message-ID: <20250518080356.43885-3-ziyao@disroot.org> In-Reply-To: <20250518080356.43885-1-ziyao@disroot.org> References: <20250518080356.43885-1-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" Forever 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..2479174ed454 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 Forever Pi + items: + - const: ctcisz,forever-pi + - const: loongson,ls2k0300 + - description: Loongson-2K0500 processor based boards items: - const: loongson,ls2k0500-ref --=20 2.49.0 From nobody Fri Dec 19 17:17:27 2025 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 08F8A1FF1C9; Sun, 18 May 2025 08:05:21 +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=1747555523; cv=none; b=WXbRVzUggTO125ZK0RCFFmDLFSqFyI+U0eUhUzWko/L4aKogUKu8fhItrM5xbG88OCHpknymNx5qake8tkYTgDiKX+hlPE2MkamlZeyNTqSN0MGJC3KfnPON826/KsJZy5HtZ0Lwb+6L3lzQrC4ZR95QaMYnE2uFAio+M4mmPa8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747555523; c=relaxed/simple; bh=kyjrt2gVQm0QUSTC0VroF3yfPupvMlqBv7Ib8FAXvGI=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=mvy+GVpa1Uz9vo0n1f6IHtFqiiCdmy8sNfllfI5VJzZeVJ6gfI7OUJkxHwAbFSYMF6rv7bFwu0Yyj9gIzeHpyqKTbqut8G3RY/2u7TZCrtE7lAqPzv4MkTfiqEwsCZrhOEy48j7cfFECZ4GJTYywEMRu3KRrImVnivqzd8etNa0= 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=bGaX4cPy; 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="bGaX4cPy" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 8E109260B0; Sun, 18 May 2025 10:05:20 +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 wqwnw0caStk5; Sun, 18 May 2025 10:05:19 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1747555519; bh=kyjrt2gVQm0QUSTC0VroF3yfPupvMlqBv7Ib8FAXvGI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=bGaX4cPyHYPr+7opKgf8zoGolHBcYMRC5BqTr0+lksAjbAYcegzl7eTzQzyPJp6xs C6gkswymvb/388jkHFvJi//okoZvtNIyMEpRqXMs6yoY+H8nR+cZKsto25r0XHDssw R6wkZbNYHKRx39D5YfRLDpGpLcAh9H3gpfU/97GudpF7IYQMvdvRtFz7NkhwXHKrss ENGM2lmbESPseNJrZp8htwgZNG0nnTkEDe4muLvk9ndGL5f2bmr5lL6qSAOwpEjUNx J9lZhQ4kCBzLK8rvl+A6+ti4qEgximm17lZNnYtvV9SJeGGImf7eCUk97huF0YvNM8 lcM8LDKKd32bw== 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 Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Mingcong Bai , Kexy Biscuit Subject: [PATCH v2 3/4] LoongArch: dts: Add initial SoC devicetree for Loongson 2K0300 Date: Sun, 18 May 2025 08:03:55 +0000 Message-ID: <20250518080356.43885-4-ziyao@disroot.org> In-Reply-To: <20250518080356.43885-1-ziyao@disroot.org> References: <20250518080356.43885-1-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 reviewed-by tag with the change? --- arch/loongarch/boot/dts/loongson-2k0300.dtsi | 184 +++++++++++++++++++ 1 file changed, 184 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..17974f793947 --- /dev/null +++ b/arch/loongarch/boot/dts/loongson-2k0300.dtsi @@ -0,0 +1,184 @@ +// 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>; + + 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 Fri Dec 19 17:17:27 2025 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 3E37520469E; Sun, 18 May 2025 08:05:30 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=178.21.23.139 ARC-Seal: i=1; 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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="YUAWNiCW" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id C815625EF1; Sun, 18 May 2025 10:05:28 +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 Qb1e6sMMhXKr; Sun, 18 May 2025 10:05:28 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1747555526; bh=kUum+s06Epp4NTsR7VML30ERzpyL7pQgoo6iAkUvDtI=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=YUAWNiCWhPA2gzMy0dxj4Q6AKUTWCA6elOc4a706RKhAOV4l98pvrz/spEjEFMxMl OCiFKH7UTyPnOkRjKOJxUZ3g6F60u/CkN+kLIfGmWlDgq/5qP/FqZWMbbniWqGCpp/ 8Hlul6jf5TsiikqyBtapGKj/aTKTf36gjHeRXPKDep/X9xl8/HJWJETj9bIfzNGsxn hM3BFzEQwu+4zFLMkKsDjMIR+DoVM/LmkbvFyjY6wNRArLgixFGIKtSlSoZjTKPGse dltQWI+6GBGIaqyGb/DruXCMK4Y+i8Ah2b55MDWmcBmN598APodhXyMRF0e4INUA+/ Y30GVn5+uWTgQ== 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 Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, loongarch@lists.linux.dev, Mingcong Bai , Kexy Biscuit Subject: [PATCH v2 4/4] LoongArch: dts: Add initial devicetree for CTCISZ Forever Pi Date: Sun, 18 May 2025 08:03:56 +0000 Message-ID: <20250518080356.43885-5-ziyao@disroot.org> In-Reply-To: <20250518080356.43885-1-ziyao@disroot.org> References: <20250518080356.43885-1-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-forever-pi.dts | 45 +++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 arch/loongarch/boot/dts/ls2k0300-ctcisz-forever-pi.dts diff --git a/arch/loongarch/boot/dts/Makefile b/arch/loongarch/boot/dts/Mak= efile index 15d5e14fe418..9fff9e8be3de 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-forever-pi.dtb diff --git a/arch/loongarch/boot/dts/ls2k0300-ctcisz-forever-pi.dts b/arch/= loongarch/boot/dts/ls2k0300-ctcisz-forever-pi.dts new file mode 100644 index 000000000000..a033c086461f --- /dev/null +++ b/arch/loongarch/boot/dts/ls2k0300-ctcisz-forever-pi.dts @@ -0,0 +1,45 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright (C) 2025 Yao Zi + */ + +/dts-v1/; + +#include "loongson-2k0300.dtsi" + +/ { + compatible =3D "ctcisz,forever-pi", "loongson,ls2k0300"; + model =3D "CTCISZ Forever Pi"; + + aliases { + serial0 =3D &uart0; + }; + + 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