xref: /OK3568_Linux_fs/kernel/Documentation/devicetree/bindings/i2c/renesas,riic.txt (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593SmuzhiyunDevice tree configuration for Renesas RIIC driver
2*4882a593Smuzhiyun
3*4882a593SmuzhiyunRequired properties:
4*4882a593Smuzhiyun- compatible      :
5*4882a593Smuzhiyun	"renesas,riic-r7s72100" if the device is a part of a R7S72100 SoC.
6*4882a593Smuzhiyun	"renesas,riic-r7s9210" if the device is a part of a R7S9210 SoC.
7*4882a593Smuzhiyun	"renesas,riic-rz" for a generic RZ/A compatible device.
8*4882a593Smuzhiyun- reg             : address start and address range size of device
9*4882a593Smuzhiyun- interrupts      : 8 interrupts (TEI, RI, TI, SPI, STI, NAKI, ALI, TMOI)
10*4882a593Smuzhiyun- clock-frequency : frequency of bus clock in Hz
11*4882a593Smuzhiyun- #address-cells  : should be <1>
12*4882a593Smuzhiyun- #size-cells     : should be <0>
13*4882a593Smuzhiyun
14*4882a593SmuzhiyunPinctrl properties might be needed, too. See there.
15*4882a593Smuzhiyun
16*4882a593SmuzhiyunExample:
17*4882a593Smuzhiyun
18*4882a593Smuzhiyun	i2c0: i2c@fcfee000 {
19*4882a593Smuzhiyun		compatible = "renesas,riic-r7s72100", "renesas,riic-rz";
20*4882a593Smuzhiyun		reg = <0xfcfee000 0x44>;
21*4882a593Smuzhiyun		interrupts = <0 157 IRQ_TYPE_LEVEL_HIGH>,
22*4882a593Smuzhiyun			     <0 158 IRQ_TYPE_EDGE_RISING>,
23*4882a593Smuzhiyun			     <0 159 IRQ_TYPE_EDGE_RISING>,
24*4882a593Smuzhiyun			     <0 160 IRQ_TYPE_LEVEL_HIGH>,
25*4882a593Smuzhiyun			     <0 161 IRQ_TYPE_LEVEL_HIGH>,
26*4882a593Smuzhiyun			     <0 162 IRQ_TYPE_LEVEL_HIGH>,
27*4882a593Smuzhiyun			     <0 163 IRQ_TYPE_LEVEL_HIGH>,
28*4882a593Smuzhiyun			     <0 164 IRQ_TYPE_LEVEL_HIGH>;
29*4882a593Smuzhiyun		clock-frequency = <100000>;
30*4882a593Smuzhiyun		#address-cells = <1>;
31*4882a593Smuzhiyun		#size-cells = <0>;
32*4882a593Smuzhiyun	};
33