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[60.250.196.139]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3536dc3e0ecsm8251798a91.10.2026.01.26.00.59.15 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 26 Jan 2026 00:59:18 -0800 (PST) From: Joey Lu To: airlied@gmail.com, simona@ffwll.ch, maarten.lankhorst@linux.intel.com, mripard@kernel.org, tzimmermann@suse.de, robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org Cc: ychuang3@nuvoton.com, schung@nuvoton.com, yclu4@nuvoton.com, a0987203069@gmail.com, linux-arm-kernel@lists.infradead.org, dri-devel@lists.freedesktop.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] dt-bindings: display: nuvoton: add MA35D1 DCU binding Date: Mon, 26 Jan 2026 16:57:25 +0800 Message-ID: <20260126085727.2568958-2-a0987203069@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260126085727.2568958-1-a0987203069@gmail.com> References: <20260126085727.2568958-1-a0987203069@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" Add Device Tree binding documentation for the Display Control Unit (DCU) found in Nuvoton MA35D1 SoCs. The DCU is a DPI-based display controller supporting RGB output with optional external bridges or panels. Signed-off-by: Joey Lu --- .../bindings/display/nuvoton,ma35d1-dcu.yaml | 74 +++++++++++++++++++ 1 file changed, 74 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/nuvoton,ma35d= 1-dcu.yaml diff --git a/Documentation/devicetree/bindings/display/nuvoton,ma35d1-dcu.y= aml b/Documentation/devicetree/bindings/display/nuvoton,ma35d1-dcu.yaml new file mode 100644 index 000000000000..e3b79b5b7dbd --- /dev/null +++ b/Documentation/devicetree/bindings/display/nuvoton,ma35d1-dcu.yaml @@ -0,0 +1,74 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/display/nuvoton,ma35d1-dcu.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton MA35D1 Display Controller Unit (DCU) + +maintainers: + - Joey Lu + +description: + The Nuvoton MA35D1 Display Controller Unit (DCU) supports multiple + layers of composition, blending, and output to parallel RGB (DPI) + interfaces. + +properties: + compatible: + const: nuvoton,ma35d1-dcu + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + items: + - description: DCU Gate clock for register access + - description: DCU Pixel clock for display timing + + clock-names: + items: + - const: dcu_gate + - const: dcup_div + + resets: + maxItems: 1 + + port: + $ref: /schemas/graph.yaml#/properties/port + description: Video output port + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + - resets + - port + +additionalProperties: false + +examples: + - | + #include + #include + #include + + display@40260000 { + compatible =3D "nuvoton,ma35d1-drm"; + reg =3D <0x40260000 0x2000>; + interrupts =3D ; + clocks =3D <&clk DCU_GATE>, <&clk DCUP_DIV>; + clock-names =3D "dcu_gate", "dcup_div"; + resets =3D <&sys MA35D1_RESET_DISP>; + + port { + dpi_out: endpoint { + remote-endpoint =3D <&panel_in>; + }; + }; + }; --=20 2.43.0