From nobody Fri Dec 19 14:46:40 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 EC0482F3E; Fri, 23 May 2025 09:54:42 +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=1747994085; cv=none; b=hKRGgVb2pSz+nbitBy/3m1GrYP7ZHsrWWRRLafqpbsYvuwfHyY1HoTRzH4w7XDhT01peKP7Th55034t8C1bVffXFWrHpb1LPHgwBm3VhR3l2UjzuLcjuGNm6ihyc+Pcgy/yV0C9at2wxtZYo8g3VMs8AvdCvArToH7uoQD8BdRE= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747994085; c=relaxed/simple; bh=sRRjPUmIqYUdwSQpeIZVUP6SShzlUr9KqJp8thVkl6Q=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=U7FHP0JkEZ9vW7pZv3926jsLPNIkbUnTgaFoHIm2Yz6VCV6/UX/o3WuDMLXSnAvcQdK087HcxDWOrbK5QalMvm7NlbLza4YEILVnXeLYYkUa47/NDBm+f7pE8y92sbD+K4QiVngH4+C+sGwNGH/8Vnm1vweB0MowDtzn03J3Kyk= 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=Qi4OieKX; 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="Qi4OieKX" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 1F2E726144; Fri, 23 May 2025 11:54:41 +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 GPAIPWj2ALs0; Fri, 23 May 2025 11:54:39 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1747994079; bh=sRRjPUmIqYUdwSQpeIZVUP6SShzlUr9KqJp8thVkl6Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=Qi4OieKXc5Jb29iv2NOxZ/RtFw8udWZOcDNkg8vVIujwZDJ99jtiJvsQ4N28XFo9r s05HzTjUQnaV6Gs6vPLvfVXUu0TVtz+POIvL1quwv8yHiCyuT5BwHSQm7lEdNRehJw RzAjzu+4uljU6sCE3c38ummNpksAeS/yYzLIykCrZ2D410jcjc1qt2ohruyQ4CU/3z 0986d9hCP6Cjr92oTn3h2WpohjiNewIZi6E5kJ+gNFHhp9L3lnkL4wVQqsMMGxioOM TxSY9yqEd5d//iJcRpf2LZLpzXm2gvrRYuU96LBzZan2ZKV/jHnwoINWTNcte61rZa Ae7BqieE96v1A== 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 , Yanteng Si Subject: [PATCH v3 1/4] dt-bindings: vendor-prefixes: Add CTCISZ Technology Co., LTD. Date: Fri, 23 May 2025 09:54:05 +0000 Message-ID: <20250523095408.25919-2-ziyao@disroot.org> In-Reply-To: <20250523095408.25919-1-ziyao@disroot.org> References: <20250523095408.25919-1-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 14:46:40 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 0725622B8A4; Fri, 23 May 2025 09:54:49 +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=1747994091; cv=none; b=WP9a0Ku2QZrBH9QMTR0Q3+DCHM2ErWjR2p2lirsF0LAw3DCERlufUQQZ47G7cKqK7iB4IOtR/D5E8F+GhJrC24o0o6EmXTGZS1ZCmu+8VO2fhiNS2tPFkAGb7K51qQlZlLlTI6mp03eEl1QbiePmiMUkRQOfTtAAcjHu4e+x0rg= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747994091; c=relaxed/simple; bh=hRSFkOL2tHma6126XgLKEa3jEbfh8rjzKzgSKNVJvc0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=hBdHCaDvrONcb/h+Kbyl3cVQzeZcSNJQa7ND61JxCHhUwlJaW7PtSQxGjckfyrBgfzrPO88cPjM1JH5ikKgmkLG5vyo59vl6PZrohzsjOowvL9dllV5Bz2oyl5i6+C56kfw6ScaSTz9LziZmkrnMJCsxfliBWWVMH2kghX3Ws6E= 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=hy/vlxde; 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="hy/vlxde" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 88FB226282; Fri, 23 May 2025 11:54:48 +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 rCvei-nVa1yr; Fri, 23 May 2025 11:54:47 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1747994086; bh=hRSFkOL2tHma6126XgLKEa3jEbfh8rjzKzgSKNVJvc0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=hy/vlxdeyX+zFtzpnt40EFL6JZbAdvGoBrnoH4JwxJaZ6ovm4gXc0bCBA9t49WVNl l3cEUmgx6L/gfsIsG4sxvVnuAM5jnXP/bjowMJH359NDq9dO30Jb910myyoyEQ7ADc gGAqjeWBI8EJx4oqOovbhdzsp05ctizVdwVWErScM9yZWILzpNnm+Wo9E6UiANYbe3 27G1txw0fBqASQXGgBayjhKaays+a7V15aJ2KlXppPV5sPSEd7P51uEOcSUYDPSLnl 7Byi+YmDEZWZypkGxfU+YyOBgLWasxKpWlfaHoTDd/MXD5iT6dDbKAPqQF4eZvbU1R JagDMyRkpANdg== 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 , Yanteng Si Subject: [PATCH v3 2/4] dt-bindings: LoongArch: Add CTCISZ Forever Pi Date: Fri, 23 May 2025 09:54:06 +0000 Message-ID: <20250523095408.25919-3-ziyao@disroot.org> In-Reply-To: <20250523095408.25919-1-ziyao@disroot.org> References: <20250523095408.25919-1-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 14:46:40 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 2A05F226520; Fri, 23 May 2025 09:55:40 +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=1747994141; cv=none; b=jXyzvHFEMV1HYmFtVtALusDiQfwo6gKjg7GJ3NrcWoZu0tesp7knKnwrX/tNhPPNm9z7nyp7D5d3F+I40mxUIfCFYBRenaRt+KcL4x9mlZlK0sfJ7TUsKFH+3VnDpW3lHpP5cUmZ48SDCfeG10ssvYifhAEVZUBsb+EtDuoPK7w= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1747994141; c=relaxed/simple; bh=xmcxm8zXlY3JxLhM6Le0g34yc0uuqIUg1cL1s1NW+gQ=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=uiHMnbyRb1hZXp3rZjOgHME+KrYGvQLIl+Vlqhqdf8eI82WmMAPHDv80XfuY9iXJTaht+mw7P+tNTIyMLViujD9ePmGOrGau9SpzBsoN84l0aHf1yrvscDjJeeP5w+SBdIGc1zzv6KtWSVmlS0zW6YGTIsj1kfIUCU59p78+f74= 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=DHW2P26u; 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="DHW2P26u" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id E0D4E260B3; Fri, 23 May 2025 11:55:38 +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 JPNLdbaquUsh; Fri, 23 May 2025 11:55:38 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1747994130; bh=xmcxm8zXlY3JxLhM6Le0g34yc0uuqIUg1cL1s1NW+gQ=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=DHW2P26utvklz6UtQ7pcQyTnEVw3XQPekH9iAoNyW0HwegG0ja6Lp52jXG/UOM8uJ y55r9u/0U8r4LfoqNXqIPMB5cXO6J+Y4UKXV4PF3cywKwHpl3aAP7G81SMjUrdpJ1u S/aFZ3qnqogOMvJGSRrl/gB3d+WldmmRIX5pIJAmd1/fQcwxuK6O0qFEanmxAkMGpn PwceZwnRmojcXUjfTBLk7B7KQ389S0E0NzeJUBGVVsTU4+9SPbGDEkqYqB3K5eQk8S VQkp9csxmjf0ZUSzG77Z8iP87GBHgqA71elkw3AEERPw6kAvgv00beeXyGbYfgf+so MtS+2TBmU/Aew== 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 v3 3/4] LoongArch: dts: Add initial SoC devicetree for Loongson 2K0300 Date: Fri, 23 May 2025 09:54:07 +0000 Message-ID: <20250523095408.25919-4-ziyao@disroot.org> In-Reply-To: <20250523095408.25919-1-ziyao@disroot.org> References: <20250523095408.25919-1-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 --- 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..ce3574691aa9 --- /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@10000000 { + 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 14:46:40 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 1A20C227E9E; Fri, 23 May 2025 09:55:46 +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="UbxLhciA" Received: from mail01.disroot.lan (localhost [127.0.0.1]) by disroot.org (Postfix) with ESMTP id 8C05B260B3; Fri, 23 May 2025 11:55:45 +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 Aw79C621TUhH; Fri, 23 May 2025 11:55:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=disroot.org; s=mail; t=1747994135; bh=KI9W0PaJOZE+WeFTaHv7gChpyhppsRJpx6lgKEplro0=; h=From:To:Cc:Subject:Date:In-Reply-To:References; b=UbxLhciApViRIkpz0p5I057PCtNTKj6gecYXv83Nag3ui55ix6swl5De41Ne6A3IG S4VCqK+iXxKRe+nLvpBFLEl+qz1QyQ9oLdPe6thDnPgXHQJ8M1vzVzB2xAdgZSrq4a NeoMqJD0ccmCyDJCT887mnUaeHxlZR63WRJ4aTN/BVESYgJTnpH3TzKjaNCGezqTR0 tsjuxmQqMwKNUj0ozdhaKlUsGhhPZzxwYYWXT1/CS/e79Y4UUyAL+YxHcZmZuA87Sc nIGsbQuIpcVcNndkR/1V44JJhplniYwRxaEJD1rWbeglMx0nSUnC8cwpLfRqESqcLU 7EhYrI+dhe+pQ== 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 v3 4/4] LoongArch: dts: Add initial devicetree for CTCISZ Forever Pi Date: Fri, 23 May 2025 09:54:08 +0000 Message-ID: <20250523095408.25919-5-ziyao@disroot.org> In-Reply-To: <20250523095408.25919-1-ziyao@disroot.org> References: <20250523095408.25919-1-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 --- arch/loongarch/boot/dts/Makefile | 1 + .../dts/loongson-2k0300-ctcisz-forever-pi.dts | 45 +++++++++++++++++++ 2 files changed, 46 insertions(+) create mode 100644 arch/loongarch/boot/dts/loongson-2k0300-ctcisz-forever-= pi.dts diff --git a/arch/loongarch/boot/dts/Makefile b/arch/loongarch/boot/dts/Mak= efile index 15d5e14fe418..cf7f74d4b1a4 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 loongson-2k0300-ctcisz-forever-pi.dtb diff --git a/arch/loongarch/boot/dts/loongson-2k0300-ctcisz-forever-pi.dts = b/arch/loongarch/boot/dts/loongson-2k0300-ctcisz-forever-pi.dts new file mode 100644 index 000000000000..a033c086461f --- /dev/null +++ b/arch/loongarch/boot/dts/loongson-2k0300-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