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Diffstat (limited to 'Documentation/devicetree/bindings/i2c/renesas,riic.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/renesas,riic.txt | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/renesas,riic.txt b/Documentation/devicetree/bindings/i2c/renesas,riic.txt new file mode 100644 index 000000000..e26fe3ad8 --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/renesas,riic.txt @@ -0,0 +1,32 @@ +Device tree configuration for Renesas RIIC driver + +Required properties: +- compatible : + "renesas,riic-r7s72100" if the device is a part of a R7S72100 SoC. + "renesas,riic-r7s9210" if the device is a part of a R7S9210 SoC. + "renesas,riic-rz" for a generic RZ/A compatible device. +- 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>; + }; |