[deliverable/linux.git] / Documentation / devicetree / bindings / i2c / i2c-riic.txt

Device tree configuration for Renesas RIIC driver

Required properties:
- compatible      : "renesas,riic-<soctype>". "renesas,riic-rz" as fallback
- reg             : address start and address range size of device
- interrupts      : 8 interrupts (TEI, RI, TI, SPI, STI, NAKI, ALI, TMOI)
- clock-frequency : frequency of bus clock in Hz
- #address-cells  : should be <1>
- #size-cells     : should be <0>

Pinctrl properties might be needed, too. See there.

Example:

	i2c0: i2c@fcfee000 {
		compatible = "renesas,riic-r7s72100", "renesas,riic-rz";
		reg = <0xfcfee000 0x44>;
		interrupts = <0 157 IRQ_TYPE_LEVEL_HIGH>,
			     <0 158 IRQ_TYPE_EDGE_RISING>,
			     <0 159 IRQ_TYPE_EDGE_RISING>,
			     <0 160 IRQ_TYPE_LEVEL_HIGH>,
			     <0 161 IRQ_TYPE_LEVEL_HIGH>,
			     <0 162 IRQ_TYPE_LEVEL_HIGH>,
			     <0 163 IRQ_TYPE_LEVEL_HIGH>,
			     <0 164 IRQ_TYPE_LEVEL_HIGH>;
		clock-frequency = <100000>;
		#address-cells = <1>;
		#size-cells = <0>;
	};
Commit	Line	Data
310c18a4 WS	1	Device tree configuration for Renesas RIIC driver
	2
	3	Required properties:
	4	- compatible : "renesas,riic-<soctype>". "renesas,riic-rz" as fallback
	5	- reg : address start and address range size of device
	6	- interrupts : 8 interrupts (TEI, RI, TI, SPI, STI, NAKI, ALI, TMOI)
	7	- clock-frequency : frequency of bus clock in Hz
	8	- #address-cells : should be <1>
	9	- #size-cells : should be <0>
	10
	11	Pinctrl properties might be needed, too. See there.
	12
	13	Example:
	14
	15	i2c0: i2c@fcfee000 {
	16	compatible = "renesas,riic-r7s72100", "renesas,riic-rz";
	17	reg = <0xfcfee000 0x44>;
	18	interrupts = <0 157 IRQ_TYPE_LEVEL_HIGH>,
	19	<0 158 IRQ_TYPE_EDGE_RISING>,
	20	<0 159 IRQ_TYPE_EDGE_RISING>,
	21	<0 160 IRQ_TYPE_LEVEL_HIGH>,
	22	<0 161 IRQ_TYPE_LEVEL_HIGH>,
	23	<0 162 IRQ_TYPE_LEVEL_HIGH>,
	24	<0 163 IRQ_TYPE_LEVEL_HIGH>,
	25	<0 164 IRQ_TYPE_LEVEL_HIGH>;
	26	clock-frequency = <100000>;
	27	#address-cells = <1>;
	28	#size-cells = <0>;
	29	};