From nobody Thu Apr 9 18:03:03 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 64ADD37B3F3; Tue, 3 Mar 2026 16:35:02 +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=1772555702; cv=none; b=jj/s7cYgT/NpVpbKrPgFGBc1hS+Lk2RbndpFheLxA5EkIFporzef9Jrni2g1JCcFSrERl+rmWTgarSGuZuHuC50t/O54zYvn4MFnR+CYQXqzUu8Y2uE85UmLzO/D57s+1qh3ZYN9gJUTOP+cLAWmwJ9Vw5Mt0scJFJPe6jVzhiM= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1772555702; c=relaxed/simple; bh=HyqZMtRcUrfGU9UNlm5NhcKJckrPgBuMi0FqgbdPt2Q=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=mxWJs5t1eySG/4VqNtXsduo/P5T80oGxNLM5wT82mjhBbyTSHIYwQy3KYbb06Rafd+V3FgXJ8xeIZcQcggLoJCWc1ILVLaIkbZsC5iy2BZqWOI/dWXVvYZzjtC+McdA9I7ZUKzLHhdKL/K+2hv2mrCzYdc2jhm8loNIJlYLQtwE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=msenSNMh; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="msenSNMh" Received: by smtp.kernel.org (Postfix) with ESMTPSA id DDA98C116C6; Tue, 3 Mar 2026 16:34:59 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1772555702; bh=HyqZMtRcUrfGU9UNlm5NhcKJckrPgBuMi0FqgbdPt2Q=; h=From:To:Cc:Subject:Date:From; b=msenSNMh8KjFxvpvnerBh4NvvxBkgSl7OONTO6jmpZG9mczAJrRC82tqX8/oLylTo fxjMk+QDEEZp+/oCZu0d+PgxSALZN10mMQHvsa7SlzX5sO9D0k7tF7pB9Ti3U2AUmC o5q11S8Aw/Yj4v6Pge0xGaIeF/geRlk2NcE7bGI9R9r6bMIljIIYy4NyGwNscyfOxP FKXTnAuzWwT2nCzqg7ZTzwmj/uywWGvxgOgNk6zQaJsfyykV+21SLHWRPEnRURO6tn PVqbSyIOxrEpN/emw+GchloKjZUuvBaRjFSQxv2LzFO9uazAck7a7eXA7TbVOH8N32 NeF22Ku8klBcg== From: Conor Dooley To: linux-i2c@vger.kernel.org Cc: conor@kernel.org, Conor Dooley , Daire McNamara , Andi Shyti , Rob Herring , Krzysztof Kozlowski , linux-riscv@lists.infradead.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v1] dt-bindings: i2c: microchip,corei2c: permit resets Date: Tue, 3 Mar 2026 16:34:54 +0000 Message-ID: <20260303-clang-earthling-8a4904cb8a7b@spud> X-Mailer: git-send-email 2.51.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1531; i=conor.dooley@microchip.com; h=from:subject:message-id; bh=23oSag2Y7V+S+9pFwJOyhqecZQK8YjdMRoaWJl4XUFs=; b=owGbwMvMwCVWscWwfUFT0iXG02pJDJnLedepBlzn9LzYnMMuunH2Z8n2+qupActWST0qC54gX n9M4TtTRykLgxgXg6yYIkvi7b4WqfV/XHY497yFmcPKBDKEgYtTACZivYyR4e7FB8reL5rj1nG0 ZhX+M7p4bFKx0gqTvyEdj6rMp1d+esDwT+vsHYa6ffGVNSdc1QqdMo9cefM9fhH7HIaoWZ7Z3tr 63AA= X-Developer-Key: i=conor.dooley@microchip.com; a=openpgp; fpr=F9ECA03CF54F12CD01F1655722E2C55B37CF380C Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Conor Dooley Both CoreI2C and the hardened versions of it on mpfs and pic64gx have a reset pin. For the former, usually this is wired to a common fabric reset not managed by software and for the latter two the platform firmware takes them out of reset on first-party boards (or those using modified versions of the vendor firmware), but not all boards may take this approach. Permit providing a reset in devicetree for Linux, or other devicetree-consuming software, to use. Signed-off-by: Conor Dooley Reviewed-by: Krzysztof Kozlowski --- CC: Conor Dooley CC: Daire McNamara CC: Andi Shyti CC: Rob Herring CC: Krzysztof Kozlowski CC: linux-riscv@lists.infradead.org CC: linux-i2c@vger.kernel.org CC: devicetree@vger.kernel.org CC: linux-kernel@vger.kernel.org --- Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml | 3 +++ 1 file changed, 3 insertions(+) diff --git a/Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml b= /Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml index 6ff58b64d4962..bd63c70aac6bc 100644 --- a/Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml +++ b/Documentation/devicetree/bindings/i2c/microchip,corei2c.yaml @@ -37,6 +37,9 @@ properties: modes are supported, possible values are 100000 and 400000. enum: [100000, 400000] =20 + resets: + maxItems: 1 + required: - compatible - reg --=20 2.51.0