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- I2C for Atmel platforms
- Required properties :
- - compatible : Must be "atmel,at91rm9200-i2c", "atmel,at91sam9261-i2c",
- "atmel,at91sam9260-i2c", "atmel,at91sam9g20-i2c", "atmel,at91sam9g10-i2c"
- or "atmel,at91sam9x5-i2c"
- - reg: physical base address of the controller and length of memory mapped
- region.
- - interrupts: interrupt number to the cpu.
- - #address-cells = <1>;
- - #size-cells = <0>;
- - clocks: phandles to input clocks.
- Optional properties:
- - clock-frequency: Desired I2C bus frequency in Hz, otherwise defaults to 100000
- - Child nodes conforming to i2c bus binding
- Examples :
- i2c0: i2c@fff84000 {
- compatible = "atmel,at91sam9g20-i2c";
- reg = <0xfff84000 0x100>;
- interrupts = <12 4 6>;
- #address-cells = <1>;
- #size-cells = <0>;
- clocks = <&twi0_clk>;
- clock-frequency = <400000>;
- 24c512@50 {
- compatible = "24c512";
- reg = <0x50>;
- pagesize = <128>;
- }
- }
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