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[60.250.196.139]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-35987523629sm2764697a91.7.2026.03.01.18.08.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 01 Mar 2026 18:08:47 -0800 (PST) From: Zi-Yu Chen To: andi.shyti@kernel.org, ychuang3@nuvoton.com Cc: robh@kernel.org, krzk+dt@kernel.org, conor+dt@kernel.org, linux-i2c@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, zychennvt@gmail.com Subject: [PATCH 1/3] dt-bindings: i2c: nuvoton,ma35d1-i2c: Add MA35D1 I2C controller Date: Mon, 2 Mar 2026 02:08:20 +0000 Message-Id: <20260302020822.13936-2-zychennvt@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260302020822.13936-1-zychennvt@gmail.com> References: <20260302020822.13936-1-zychennvt@gmail.com> Precedence: bulk X-Mailing-List: linux-i2c@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Add device tree binding documentation for the I2C controller found in the Nuvoton MA35D1 SoC. Signed-off-by: Zi-Yu Chen --- .../bindings/i2c/nuvoton,ma35d1-i2c.yaml | 65 +++++++++++++++++++ 1 file changed, 65 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..fa8b01e2c5b1 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/nuvoton,ma35d1-i2c.yaml @@ -0,0 +1,65 @@ +# 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 + +description: | + The Nuvoton MA35D1 I2C controller supports master mode and optional + slave mode operation. The controller is configured via Device Tree + and supports interrupt-driven I2C transfers. + +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 + #include + #include + + i2c0: i2c@40800000 { + compatible = "nuvoton,ma35d1-i2c"; + reg = <0x40800000 0x10000>; + interrupts = ; + clocks = <&clk I2C0_GATE>; + clock-frequency = <100000>; + resets = <&sys MA35D1_RESET_I2C0>; + #address-cells = <1>; + #size-cells = <0>; + }; -- 2.34.1