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[v11,1/3] dt-bindings: i2c: nuvoton,ma35d1-i2c: Add MA35D1 I2C controller

Message ID 20261001075101.489660-2-zychennvt@gmail.com
State New
Headers show
Series i2c: ma35d1: Add support for MA35D1 I2C controller | expand

Commit Message

Zi-Yu Chen Oct. 1, 2026, 7:50 a.m. UTC 
Add device tree binding documentation for the I2C controller
found in the Nuvoton MA35D1 SoC.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@oss.qualcomm.com>
Signed-off-by: Zi-Yu Chen <zychennvt@gmail.com>
---
 .../bindings/i2c/nuvoton,ma35d1-i2c.yaml      | 63 +++++++++++++++++++
 1 file changed, 63 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/i2c/nuvoton,ma35d1-i2c.yaml
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Patch

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>;
+    };