1Device tree configuration for Renesas IIC (sh_mobile) driver
2
3Required properties:
4- compatible      : "renesas,iic-<soctype>". "renesas,rmobile-iic" as fallback
5		     Examples with soctypes are:
6			- "renesas,iic-r8a73a4" (R-Mobile APE6)
7			- "renesas,iic-r8a7740" (R-Mobile A1)
8			- "renesas,iic-r8a7790" (R-Car H2)
9			- "renesas,iic-r8a7791" (R-Car M2-W)
10			- "renesas,iic-r8a7792" (R-Car V2H)
11			- "renesas,iic-r8a7793" (R-Car M2-N)
12			- "renesas,iic-r8a7794" (R-Car E2)
13			- "renesas,iic-r8a7795" (R-Car H3)
14			- "renesas,iic-sh73a0" (SH-Mobile AG5)
15- reg             : address start and address range size of device
16- interrupts      : interrupt of device
17- clocks          : clock for device
18- #address-cells  : should be <1>
19- #size-cells     : should be <0>
20
21Optional properties:
22- clock-frequency : frequency of bus clock in Hz. Default 100kHz if unset.
23- dmas            : Must contain a list of two references to DMA
24		    specifiers, one for transmission, and one for
25		    reception.
26- dma-names       : Must contain a list of two DMA names, "tx" and "rx".
27
28
29Pinctrl properties might be needed, too. See there.
30
31Example:
32
33	iic0: i2c@e6500000 {
34		compatible = "renesas,iic-r8a7790", "renesas,rmobile-iic";
35		reg = <0 0xe6500000 0 0x425>;
36		interrupts = <0 174 IRQ_TYPE_LEVEL_HIGH>;
37		clocks = <&mstp3_clks R8A7790_CLK_IIC0>;
38		clock-frequency = <400000>;
39		#address-cells = <1>;
40		#size-cells = <0>;
41	};
42