From nobody Tue Feb 10 10:18:37 2026 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 726D215E5C3; Wed, 10 Apr 2024 13:19:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712755156; cv=none; b=hrqLoWwLuNbGAw5vOkBfac+fTRoMDEMK4GvdubyZ0/HjSwG+On4CHZ/zj8crQ34I9BOtDQAoK1vsvG+WxYeekkHShha4+r08pymmPyCgDJHvekCDw+quHtudCrFkug+acqmNq4M3NOt7llEocfuOBdosq+WdGmq1H45OmeHxvGA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712755156; c=relaxed/simple; bh=5O4fmy2vjH3L0s3zrjGmErdy2p3sZ4emy2NNtUuD/Vs=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=JektFyQfyUoRp43d86yKrS9jcH4CQK5sZf/QzyPa4tZfFPu8PFHk2etcaZxu9Z3eDs+088sCUUDet/gdmb1vh/GmlSFOtEYOxuFVwTEcwXZeu+lJI/43H7AK+yqJuPtjKqJy4B3v9GIeZpSLscBRC+lD5oI1xy2b8zs8oeAxgVY= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id E6B14C433C7; Wed, 10 Apr 2024 13:19:13 +0000 (UTC) From: Huacai Chen To: Huacai Chen Cc: loongarch@lists.linux.dev, Xuefeng Li , Guo Ren , Xuerui Wang , Jiaxun Yang , linux-kernel@vger.kernel.org, loongson-kernel@lists.loongnix.cn, Huacai Chen Subject: [PATCH 1/4] LoongArch: Update dts for Loongson-2K1000 to support ISA/LPC Date: Wed, 10 Apr 2024 21:18:01 +0800 Message-ID: <20240410131804.2165848-2-chenhuacai@loongson.cn> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240410131804.2165848-1-chenhuacai@loongson.cn> References: <20240410131804.2165848-1-chenhuacai@loongson.cn> 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" Some Loongson-2K1000 platforms have ISA/LPC devices such as Super-IO, define an ISA node in the dts file to avoid access error. Signed-off-by: Huacai Chen --- arch/loongarch/boot/dts/loongson-2k1000.dtsi | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/loongarch/boot/dts/loongson-2k1000.dtsi b/arch/loongarch/= boot/dts/loongson-2k1000.dtsi index 49a70f8c3cab..b6aeb1f70e2a 100644 --- a/arch/loongarch/boot/dts/loongson-2k1000.dtsi +++ b/arch/loongarch/boot/dts/loongson-2k1000.dtsi @@ -100,6 +100,13 @@ bus@10000000 { #size-cells =3D <2>; dma-coherent; =20 + isa@18000000 { + compatible =3D "isa"; + #size-cells =3D <1>; + #address-cells =3D <2>; + ranges =3D <1 0x0 0x0 0x18000000 0x4000>; + }; + liointc0: interrupt-controller@1fe01400 { compatible =3D "loongson,liointc-2.0"; reg =3D <0x0 0x1fe01400 0x0 0x40>, --=20 2.43.0