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-I2C for R-Car platforms
-
-Required properties:
-- compatible:
- "renesas,i2c-r8a7742" if the device is a part of a R8A7742 SoC.
- "renesas,i2c-r8a7743" if the device is a part of a R8A7743 SoC.
- "renesas,i2c-r8a7744" if the device is a part of a R8A7744 SoC.
- "renesas,i2c-r8a7745" if the device is a part of a R8A7745 SoC.
- "renesas,i2c-r8a77470" if the device is a part of a R8A77470 SoC.
- "renesas,i2c-r8a774a1" if the device is a part of a R8A774A1 SoC.
- "renesas,i2c-r8a774b1" if the device is a part of a R8A774B1 SoC.
- "renesas,i2c-r8a774c0" if the device is a part of a R8A774C0 SoC.
- "renesas,i2c-r8a774e1" if the device is a part of a R8A774E1 SoC.
- "renesas,i2c-r8a7778" if the device is a part of a R8A7778 SoC.
- "renesas,i2c-r8a7779" if the device is a part of a R8A7779 SoC.
- "renesas,i2c-r8a7790" if the device is a part of a R8A7790 SoC.
- "renesas,i2c-r8a7791" if the device is a part of a R8A7791 SoC.
- "renesas,i2c-r8a7792" if the device is a part of a R8A7792 SoC.
- "renesas,i2c-r8a7793" if the device is a part of a R8A7793 SoC.
- "renesas,i2c-r8a7794" if the device is a part of a R8A7794 SoC.
- "renesas,i2c-r8a7795" if the device is a part of a R8A7795 SoC.
- "renesas,i2c-r8a7796" if the device is a part of a R8A77960 SoC.
- "renesas,i2c-r8a77961" if the device is a part of a R8A77961 SoC.
- "renesas,i2c-r8a77965" if the device is a part of a R8A77965 SoC.
- "renesas,i2c-r8a77970" if the device is a part of a R8A77970 SoC.
- "renesas,i2c-r8a77980" if the device is a part of a R8A77980 SoC.
- "renesas,i2c-r8a77990" if the device is a part of a R8A77990 SoC.
- "renesas,i2c-r8a77995" if the device is a part of a R8A77995 SoC.
- "renesas,i2c-r8a779a0" if the device is a part of a R8A779A0 SoC.
- "renesas,rcar-gen1-i2c" for a generic R-Car Gen1 compatible device.
- "renesas,rcar-gen2-i2c" for a generic R-Car Gen2 or RZ/G1 compatible
- device.
- "renesas,rcar-gen3-i2c" for a generic R-Car Gen3 or RZ/G2 compatible
- device.
- "renesas,i2c-rcar" (deprecated)
-
- When compatible with the generic version, nodes must list the
- SoC-specific version corresponding to the platform first followed
- by the generic version.
-
-- reg: physical base address of the controller and length of memory mapped
- region.
-- interrupts: interrupt specifier.
-
-Optional properties:
-- clock-frequency: desired I2C bus clock frequency in Hz. The absence of this
- property indicates the default frequency 100 kHz.
-- clocks: clock specifier.
-- dmas: Must contain a list of two references to DMA specifiers, one for
- transmission, and one for reception.
-- dma-names: Must contain a list of two DMA names, "tx" and "rx".
-
-- i2c-scl-falling-time-ns: see i2c.txt
-- i2c-scl-internal-delay-ns: see i2c.txt
-- i2c-scl-rising-time-ns: see i2c.txt
-
-Examples :
-
-i2c0: i2c@e6508000 {
- #address-cells = <1>;
- #size-cells = <0>;
- compatible = "renesas,i2c-r8a7791", "renesas,rcar-gen2-i2c";
- reg = <0 0xe6508000 0 0x40>;
- interrupts = <0 287 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&mstp9_clks R8A7791_CLK_I2C0>;
- clock-frequency = <400000>;
-};