[PATCH v10 1/3] dt-bindings: i2c: nuvoton,ma35d1-i2c: Add MA35D1 I2C controller
From: Zi-Yu Chen <hidden>
Date: 2026-09-21 08:38:32
Also in:
linux-devicetree, linux-i2c, lkml
Subsystem:
arm/nuvoton ma35 architecture, i2c subsystem host drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Jacky Huang, Shan-Chun Hung, Andi Shyti, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Add device tree binding documentation for the I2C controller found in the Nuvoton MA35D1 SoC. Reviewed-by: Krzysztof Kozlowski <redacted> Signed-off-by: Zi-Yu Chen <redacted> --- .../bindings/i2c/nuvoton,ma35d1-i2c.yaml | 63 +++++++++++++++++++ 1 file changed, 63 insertions(+) create mode 100644 Documentation/devicetree/bindings/i2c/nuvoton,ma35d1-i2c.yaml
diff --git a/Documentation/devicetree/bindings/i2c/nuvoton,ma35d1-i2c.yaml b/Documentation/devicetree/bindings/i2c/nuvoton,ma35d1-i2c.yaml
new file mode 100644
index 000000000000..0713e1c1ecb8
--- /dev/null
+++ b/Documentation/devicetree/bindings/i2c/nuvoton,ma35d1-i2c.yaml@@ -0,0 +1,63 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/i2c/nuvoton,ma35d1-i2c.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Nuvoton MA35D1 I2C Controller + +maintainers: + - Zi-Yu Chen <zychennvt@gmail.com> + +description: + The Nuvoton MA35D1 I2C controller supports controller and optional target mode. + +allOf: + - $ref: /schemas/i2c/i2c-controller.yaml# + +properties: + compatible: + const: nuvoton,ma35d1-i2c + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-frequency: + description: + Desired I2C bus clock frequency in Hz. The absence of this property + indicates the default frequency 100 kHz. + + resets: + maxItems: 1 + +required: + - compatible + - reg + - interrupts + - clocks + - resets + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + #include <dt-bindings/clock/nuvoton,ma35d1-clk.h> + #include <dt-bindings/reset/nuvoton,ma35d1-reset.h> + + i2c0: i2c@40800000 { + compatible = "nuvoton,ma35d1-i2c"; + reg = <0x40800000 0x1000>; + interrupts = <GIC_SPI 13 IRQ_TYPE_LEVEL_HIGH>; + clocks = <&clk I2C0_GATE>; + clock-frequency = <100000>; + resets = <&sys MA35D1_RESET_I2C0>; + #address-cells = <1>; + #size-cells = <0>; + };
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2.34.1