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Wed, 29 Oct 2025 10:27:09 -0700 (PDT) Date: Wed, 29 Oct 2025 20:27:05 +0300 From: Dan Carpenter To: Lee Jones Cc: Rob Herring , Krzysztof Kozlowski , Conor Dooley , devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/2] dt-bindings: mfd: syscon: introduce no-auto-mmio property for syscons Message-ID: <230cf12861a4f0b9effc72522444d3e28c1de2c9.1761753288.git.dan.carpenter@linaro.org> References: Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" Generally, syscons are created automatically and accessed direclty via MMIO however sometimes syscons might only be accessible from the secure partition or through SCMI etc. Introduce the no-auto-mmio property to tell the operating system that the syscon needs to be handled manually. Signed-off-by: Dan Carpenter --- Documentation/devicetree/bindings/mfd/syscon.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/mfd/syscon.yaml b/Documentat= ion/devicetree/bindings/mfd/syscon.yaml index 657c38175fba..a0ad12ae0bee 100644 --- a/Documentation/devicetree/bindings/mfd/syscon.yaml +++ b/Documentation/devicetree/bindings/mfd/syscon.yaml @@ -245,6 +245,10 @@ properties: resets: maxItems: 1 =20 + no-auto-mmio: + type: boolean + description: Prevents the syscon from being created automatically + required: - compatible - reg --=20 2.51.0