From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from sender4-op-o15.zoho.com (sender4-op-o15.zoho.com [136.143.188.15]) (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 76D2F37F313; Tue, 28 Jul 2026 16:38:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.15 ARC-Seal:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785256708; cv=pass; b=fCCSHyujjfBz3F9WssZUknB1YtsnEucaxZ59IuTxxa9aoSGRVO+E5K5erk+k8D/DDvInAovpmQgSbtOtdhLcdyJfyEjDrwj4KOQl7uXGGHfM0TVCgKrZ2PRQpbUVNOMosRkpXi2AKh1daJ9UwnoEb7A6ckaCdNZto2I1tuOW4OQ= ARC-Message-Signature:i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1785256708; c=relaxed/simple; bh=+5G8cvlJjulcmfNzDKWNll7nfoUV4L6iexOHRij9dqE=; h=From:Date:Subject:MIME-Version:Content-Type:Message-Id:References: In-Reply-To:To:Cc; b=oTX4DmlA2qSn9t+PhzpCLD+6SEMWNVIIz6uEJ1EWwKesnr/qIF1xttWrlwXpyef6MT1KTIHvAGrfOXaDkGadPh3grtDZRYHNrUN0orPt9w9IQqAw06YmaFxWwnL9f1/KOMRrN2Lq43q4G9ZW+dwa5s0sB1ndrLtiA1/LYD5wlA0= ARC-Authentication-Results:i=2; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pigmoral.tech; spf=pass smtp.mailfrom=pigmoral.tech; dkim=pass (1024-bit key) header.d=pigmoral.tech header.i=junhui.liu@pigmoral.tech header.b=XIb9yVEN; arc=pass smtp.client-ip=136.143.188.15 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=pigmoral.tech Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=pigmoral.tech Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=pigmoral.tech header.i=junhui.liu@pigmoral.tech header.b="XIb9yVEN" ARC-Seal: i=1; a=rsa-sha256; t=1785256690; cv=none; d=zohomail.com; s=zohoarc; b=gtuVlS8jE6weiIBLWg+KEoMkEHT1geascO8dYPOHeMxXrGa6vzzU1gxaLT7nU2gycbjvPJ3ao8Rh0zduVi7aB9R4YGGcc0ssC2IJGztd9oqZwBBtlAvnX5TNV7yihMF4I8NWQImScxl+T6C3PD06nnuHsWImZmnLNV/TJt9mygU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1785256690; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=9qRsFI5qSJbVI7G3iUiLm7Rbu9EHQZmcbEMF8jjImyw=; b=HkdO/zEH0PCaPzKzJTtgM9xsgE9/3HqTG3PPBb8tEOQwqGBbOjdeAFQBCwhMK31GrDuAzYc+XLrChx7k6RbtfE6aDkm0VMZT9FHLN2i7qK3P7+5o490q2JeiNEicyKht2d8l0aJNukvvCC5ubQkRbJ5agS+CDlbzoHoGUHG+bUg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=pigmoral.tech; spf=pass smtp.mailfrom=junhui.liu@pigmoral.tech; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1785256690; s=zmail; d=pigmoral.tech; i=junhui.liu@pigmoral.tech; h=From:From:Date:Date:Subject:Subject:MIME-Version:Content-Type:Content-Transfer-Encoding:Message-Id:Message-Id:In-Reply-To:To:To:Cc:Cc:Reply-To; bh=9qRsFI5qSJbVI7G3iUiLm7Rbu9EHQZmcbEMF8jjImyw=; b=XIb9yVEN+rBZPjr+FcBFcNJDW6OAOwLUR/DxAodnmB0jRVEqcnAJPEvT4XNiEbm3 Bp+Q0LzUMRCmwbeE1EtKb6RzJUun3psfy3xf02242fd0/Wv1gIIUJwctIyExUtsi7fv k7IXPW1RdxWE+u49t6ig6UOPqjoOzcFFkNImR2NM= Received: by mx.zohomail.com with SMTPS id 1785256689184465.8660851625341; Tue, 28 Jul 2026 09:38:09 -0700 (PDT) From: Junhui Liu Date: Wed, 29 Jul 2026 00:36:27 +0800 Subject: [PATCH RFC 1/7] dt-bindings: timer: thead,c900-aclint-mtimer: Add SpacemiT K3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20260729-k3-aclint-v1-1-aef88614d3a5@pigmoral.tech> References: <20260729-k3-aclint-v1-0-aef88614d3a5@pigmoral.tech> In-Reply-To: <20260729-k3-aclint-v1-0-aef88614d3a5@pigmoral.tech> To: Daniel Lezcano , Thomas Gleixner , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Inochi Amaoto , Samuel Holland , Anup Patel , Guodong Xu Cc: linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, spacemit@lists.linux.dev, Conor Dooley , Junhui Liu X-Mailer: b4 0.15.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1048; i=junhui.liu@pigmoral.tech; h=from:subject:message-id; bh=+5G8cvlJjulcmfNzDKWNll7nfoUV4L6iexOHRij9dqE=; b=owGbwMvMwCWWvDb1VEXc8j+Mp9WSGLIybp0y5VFrdBaOjrMuOFhlvnaf1mflhqUdN0syDrTmd V6vf7azo5SFQYyLQVZMkYXLX/yftQ7PtyMCrfdh5rAygQxh4OIUgInUJzL8L7ugoqlUqHjolsX+ 6M3L8uWt7k3kWXT7geKsx5/qtqrdM2Jk2KL06KDq58jLDFeY1mz7GbUvauHeTfpRFqIh562l80T 7uQE= X-Developer-Key: i=junhui.liu@pigmoral.tech; a=openpgp; fpr=15B30CC69C4BF0CC3C08F85A2A90CDC122DF37BF X-ZohoMailClient: External Add support for the ACLINT MTIMER found in the SpacemiT K3 SoC. The hardware provides a ACLINT TIMER unit. Adding riscv,aclint-mtimer as a fallback compatible allows direct reuse of existing OpenSBI driver. Signed-off-by: Junhui Liu --- Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml b/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml index cf7c82e980f6..c9429a2fa364 100644 --- a/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml +++ b/Documentation/devicetree/bindings/timer/thead,c900-aclint-mtimer.yaml @@ -21,6 +21,10 @@ properties: - enum: - anlogic,dr1v90-aclint-mtimer - const: nuclei,ux900-aclint-mtimer + - items: + - enum: + - spacemit,k3-aclint-mtimer + - const: riscv,aclint-mtimer reg: items: -- 2.55.0