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Tue, 16 Dec 2025 05:33:48 -0800 (PST) From: Guodong Xu Date: Tue, 16 Dec 2025 21:32:29 +0800 Subject: [PATCH 5/8] dt-bindings: serial: 8250: add SpacemiT K3 UART compatible Precedence: bulk X-Mailing-List: linux-serial@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: <20251216-k3-basic-dt-v1-5-a0d256c9dc92@riscstar.com> References: <20251216-k3-basic-dt-v1-0-a0d256c9dc92@riscstar.com> In-Reply-To: <20251216-k3-basic-dt-v1-0-a0d256c9dc92@riscstar.com> To: Rob Herring , Krzysztof Kozlowski , Conor Dooley , Paul Walmsley , Palmer Dabbelt , Albert Ou , Alexandre Ghiti , Yixun Lan , Daniel Lezcano , Thomas Gleixner , Samuel Holland , Anup Patel , Greg Kroah-Hartman , Jiri Slaby , Lubomir Rintel , Yangyu Chen Cc: Paul Walmsley , Palmer Dabbelt , Conor Dooley , Heinrich Schuchardt , Kevin Meng Zhang , devicetree@vger.kernel.org, linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, spacemit@lists.linux.dev, linux-serial@vger.kernel.org, Guodong Xu X-Mailer: b4 0.14.2 The SpacemiT K3 UART controller is compatible with the Intel XScale UART. Add K3 UART binding and allow describing it with a fixed clock-frequency for now. The clocks and clock-names properties will be made mandatory in a future patch, once the K3 clock driver and device tree are merged. Signed-off-by: Guodong Xu --- Documentation/devicetree/bindings/serial/8250.yaml | 1 + 1 file changed, 1 insertion(+) diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml index 167ddcbd880058b6dcea9ce33bd814ff8ba6b0f6..73851f19330d7f9fc254efcd32b5977feada0b07 100644 --- a/Documentation/devicetree/bindings/serial/8250.yaml +++ b/Documentation/devicetree/bindings/serial/8250.yaml @@ -160,6 +160,7 @@ properties: - enum: - mrvl,mmp-uart - spacemit,k1-uart + - spacemit,k3-uart - const: intel,xscale-uart - items: - enum: -- 2.43.0