Device tree configuration for Renesas IIC (sh_mobile) driver Required properties: - compatible : "renesas,iic-". "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>; };