From nobody Sun Feb 8 18:28:23 2026 Received: from mail-pl1-f179.google.com (mail-pl1-f179.google.com [209.85.214.179]) (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 0E76F1A9B24 for ; Tue, 30 Dec 2025 15:07:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=209.85.214.179 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767107225; cv=none; b=qJisreIU0i3FVMOF1omFO1nvfewrjP6azGBCEZP4Zs8jYMX3epaFfWltsf0BYv5tnDAT6U8pFbVjN2UWZLqMpvTeufBc5yivJBRlS6BxjZoS1NYO+Yki6Es0WY+t8w/UUyaCvIr9dCE2r6Tf8S6vMD5rx7PleY3+zOq/w6QvK3M= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1767107225; c=relaxed/simple; bh=CCIkxtH/rocO+zZRCAtuXg5JuC2j3kYenNoG5NxM7vI=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=okv81ugKQ39/iF+mJzkIGFkfhevoR4kOTVUi9C9HaWkJnCM/RAPjU82RqK+ccdUnv+Fl6bI5+qU2Hs5KwL8KkXAB9v1Bu7f6nu2cFKZ6CzhZAQDNSB0sVRJFHyKQDXOMTrGFl1S1Xr1EYpWhQXfuUxT9LHWQMB7nNl+Dk3hDKGA= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com; spf=pass smtp.mailfrom=gmail.com; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b=abQNjyij; arc=none smtp.client-ip=209.85.214.179 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=gmail.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="abQNjyij" Received: by mail-pl1-f179.google.com with SMTP id d9443c01a7336-29f102b013fso124902545ad.2 for ; Tue, 30 Dec 2025 07:07:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1767107222; x=1767712022; darn=vger.kernel.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=tIBqKSox5UwnVaoV8Kjau6whEf+LnmnAR93Js9qWwVY=; b=abQNjyijQAxO2jXgqxHOoz2ro+PY0ANdTBunwi93pkgXds0IJj1H0Rf5fdkS1T7HMQ 4FlNXsx3eMOO4ZluPxGX4yWQIzbxmADzWZbqEFz1xaku0QAPiRr7ve5UFvwyxkdM6txQ DmwgXlyOCCjTHp0dgeGgfLGzEO9tXgwuy2SwZwHtyYyr0iy8clBbUPe+LSgwfjMseWRf TmmjBn4OcI/dwY9vLtkKqPwhZI6yv69kViMW+HGNRPN/yEfHzzozcMYAb93Z86aWY0x/ v/PB68EzMSWyZcW6PiQqhVOdFJVGLFDvP3eRzjCPB17Zs9VEsL8SHnNSK4lG7IPOyTfM DbYA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1767107222; x=1767712022; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=tIBqKSox5UwnVaoV8Kjau6whEf+LnmnAR93Js9qWwVY=; b=OF8oO0Fx3gvqYWWFnypypDtCwdgtGSylnJfv+Ts26VS84tpJmiaL8g6H+fQ6MF7Y/F yDynA1nS9ZAarKObJUVKxQ+fIpahWHGpl1zBvGUAvN/aFgnEW5tEbMKHAYbLNcrcG2Gh SuHRKz5bmZ5fu1Qi8sZq5o46SY3Pw/uPNh2cb5cpvNEVBUgjC4aOlQh88JJ29r8cyb7H kT3qSmkT7cnwLSnzOHJ1TppnMxHW6Kn/CHAx2KD77sledY56COdhjEjPM/9Q87Vdfxbi Jt5rld0dfSUMepitWnvFzCD3gurmDggUhLd35hGQfPc8Re9t4f1XnzvHCI5BdqTpON9G 34Ag== X-Forwarded-Encrypted: i=1; AJvYcCX/ip/lpV3yzpjQYYW3X5+l7wQLZ2HCe4MhCvDO0BUfp4zMnq+75iY8ppaI1+C51vmgogTYLM1gS7R264Y=@vger.kernel.org X-Gm-Message-State: AOJu0Yz4lZqGD9t2LiSuAeDw+TDT+c8aUuTaI79RFfyCa4kNTQPz7N7W 8CeZIRoZ5tfGTGmWSqRBxERq1kg5IeZ1nMbanbKgPOefXNKZA4pOplM6zzCB6hqr4ww= X-Gm-Gg: AY/fxX4tUCLpkX+Tq1uK3G8McY/A5fguV9O3REDJzFZjlJwRShEJk9ULs5FSeQxkBZd IjNZqxFIR461pQfoKgqajF5S6U55cYccfOAA3d8nzCqlXygxBEysY4b+Jpa/7mrbXVLbhZ0HdqX 2gGYYbWZQ50SaJ443s+sWqnMxcKpWB+yPipIOPgxSrz3zoWU4OoIPkYJj6ZsnGKu70YSqMgcftz MpKFs9QvkbSXFJ8GR7+Ijn0Q9UymaIqPXmxPqPnrY1jxsps9Naxr3C/Jt5qx6Q7RqxzN/IItQkV qq9TCMrQ10OYIgQP2JnWiNQeWEt98KZ08LkNKW3Qg/Bhz8MD7rQC45nNO9R1vHLJXx9BVwZi3Sp v6c0O9XmqpY962lwBk/TRIYzbpKCH3GyfQPC9nx1x1jZ/VKM94asr2AZYyEKVlvSF+roh44MeaR PrBWMd X-Google-Smtp-Source: AGHT+IF4mlQHloICVoZ4fRZRB5k6TueSAxDDvE3GQmVRBYhsflqEoWLyLFOrsYFcTTyvrCL2lLxibw== X-Received: by 2002:a17:902:e945:b0:2a0:9081:8a6 with SMTP id d9443c01a7336-2a2f232c8a5mr357039835ad.20.1767107222036; Tue, 30 Dec 2025 07:07:02 -0800 (PST) Received: from localhost ([211.94.234.112]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2a2f3c88d0asm298919885ad.40.2025.12.30.07.07.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 30 Dec 2025 07:07:01 -0800 (PST) From: Encrow Thorne To: jyc0019@gmail.com Cc: alex@ghiti.fr, andi.shyti@kernel.org, aou@eecs.berkeley.edu, conor+dt@kernel.org, devicetree@vger.kernel.org, dlan@gentoo.org, guodong@riscstar.com, krzk+dt@kernel.org, linux-i2c@vger.kernel.org, linux-kernel@vger.kernel.org, linux-riscv@lists.infradead.org, p.zabel@pengutronix.de, palmer@dabbelt.com, pjw@kernel.org, robh@kernel.org, spacemit@lists.linux.dev, troy.mitchell@linux.spacemit.com, troymitchell988@gmail.com Subject: [PATCH 1/3] dt-bindings: i2c: spacemit: add optional resets Date: Tue, 30 Dec 2025 23:06:51 +0800 Message-Id: <20251230150653.42097-1-jyc0019@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20251230-i2c-reset-v3-0-7500eb93b06e@gmail.com> References: <20251230-i2c-reset-v3-0-7500eb93b06e@gmail.com> 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" The I2C controller requires a reset to ensure it starts from a clean state. Add the 'resets' property to support this hardware requirement. Reviewed-by: Troy Mitchell Signed-off-by: Encrow Thorne Acked-by: Rob Herring (Arm) --- Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml b/D= ocumentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml index b7220fff2235..5896fb120501 100644 --- a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml +++ b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml @@ -41,6 +41,9 @@ properties: default: 400000 maximum: 3300000 =20 + resets: + maxItems: 1 + required: - compatible - reg --=20 2.25.1