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Mon, 31 Aug 2026 17:42:05 -0700 (PDT) Received: from ryzen.lan ([2601:644:8000:7a86::e35]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-396d776d0dcsm6599906a91.4.2026.08.31.17.42.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 31 Aug 2026 17:42:04 -0700 (PDT) From: Rosen Penev To: linux-serial@vger.kernel.org Cc: Greg Kroah-Hartman , Jiri Slaby , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Lubomir Rintel , devicetree@vger.kernel.org (in file), linux-kernel@vger.kernel.org (open list:TTY LAYER AND SERIAL DRIVERS) Subject: [PATCH] dt-bindings: serial: 8250: add marvell,armada-38x-uart compatible Date: Mon, 31 Aug 2026 17:42:03 -0700 Message-ID: <20260901004203.49686-1-rosenp@gmail.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit The Armada 38x and 98DX3236 SoCs use this compatible, either paired with "ns16550a" (armada-38x.dtsi) or on its own (armada-xp-98dx3236.dtsi). Neither form is covered by the 8250 binding, so dtbs_check reports: serial@12000: failed to match any schema with compatible: ['marvell,armada-38x-uart', 'ns16550a'] Add a standalone const entry and a two-string variant paired with "ns16550a". Validated with make dt_binding_check (8250.yaml) and dt-validate on armada-38x and armada-xp 98DX3236 boards: the UART schema errors are gone. Assisted-by: opencode:big-pickle Signed-off-by: Rosen Penev --- Documentation/devicetree/bindings/serial/8250.yaml | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/Documentation/devicetree/bindings/serial/8250.yaml b/Documentation/devicetree/bindings/serial/8250.yaml index 8c2c177faf89..f71c6afe02f2 100644 --- a/Documentation/devicetree/bindings/serial/8250.yaml +++ b/Documentation/devicetree/bindings/serial/8250.yaml @@ -109,6 +109,7 @@ properties: - const: aspeed,ast2500-vuart - const: intel,xscale-uart - const: mrvl,pxa-uart + - const: marvell,armada-38x-uart - const: nuvoton,wpcm450-uart - const: nuvoton,npcm750-uart - const: nvidia,tegra20-uart @@ -119,6 +120,9 @@ properties: - exar,xr16l2551 - exar,xr16l2550 - const: ns8250 + - items: + - const: marvell,armada-38x-uart + - const: ns16550a - items: - enum: - altr,16550-FIFO32 -- 2.55.0