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- * I2C controller embedded in STMicroelectronis STM32 platforms
- Required properties :
- - compatible : Must be "st,stm32f7-i2c"
- - reg : Offset and length of the register set for the device
- - resets: Must contain the phandle to the reset controller
- - clocks: Must contain the input clock of the I2C instance
- - A pinctrl state named "default" must be defined to set pins in mode of
- operation for I2C transfer
- - #address-cells = <1>;
- - #size-cells = <0>;
- Optional properties :
- - clock-frequency : Desired I2C bus clock frequency in Hz. If not specified,
- the default 100 kHz frequency will be used. As only Normal, Fast and Fast+
- modes are implemented, possible values are 100000, 400000 and 1000000.
- Example :
- i2c1: i2c@40005400 {
- compatible = "st,stm32f7-i2c";
- reg = <0x40005400 0x400>;
- resets = <&rcc 181>;
- clocks = <&clk_pclk1>;
- pinctrl-names = "default";
- pinctrl-0 = <&pinctrl_i2c1>;
- clock-frequency = <400000>;
- #address-cells = <1>;
- #size-cells = <0>;
- };
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