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- Device tree configuration for Renesas IIC (sh_mobile) driver
- Required properties:
- - compatible : "renesas,iic-<soctype>". "renesas,rmobile-iic" as fallback
- Examples with soctypes are:
- - "renesas,iic-r8a73a4" (R-Mobile APE6)
- - "renesas,iic-r8a7740" (R-Mobile A1)
- - "renesas,iic-r8a7790" (R-Car H2)
- - "renesas,iic-r8a7791" (R-Car M2-W)
- - "renesas,iic-r8a7792" (R-Car V2H)
- - "renesas,iic-r8a7793" (R-Car M2-N)
- - "renesas,iic-r8a7794" (R-Car E2)
- - "renesas,iic-r8a7795" (R-Car H3)
- - "renesas,iic-sh73a0" (SH-Mobile AG5)
- - reg : address start and address range size of device
- - interrupts : interrupt of device
- - clocks : clock for device
- - #address-cells : should be <1>
- - #size-cells : should be <0>
- Optional properties:
- - clock-frequency : frequency of bus clock in Hz. Default 100kHz if unset.
- - 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".
- Pinctrl properties might be needed, too. See there.
- Example:
- iic0: i2c@e6500000 {
- compatible = "renesas,iic-r8a7790", "renesas,rmobile-iic";
- reg = <0 0xe6500000 0 0x425>;
- interrupts = <0 174 IRQ_TYPE_LEVEL_HIGH>;
- clocks = <&mstp3_clks R8A7790_CLK_IIC0>;
- clock-frequency = <400000>;
- #address-cells = <1>;
- #size-cells = <0>;
- };
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