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Diffstat (limited to 'doc/device-tree-bindings/i2c')
| -rw-r--r-- | doc/device-tree-bindings/i2c/octeon-i2c.txt | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/i2c/octeon-i2c.txt b/doc/device-tree-bindings/i2c/octeon-i2c.txt new file mode 100644 index 0000000000..9c1908ec2c --- /dev/null +++ b/doc/device-tree-bindings/i2c/octeon-i2c.txt @@ -0,0 +1,24 @@ +* I2C controller embedded in Marvell Octeon platforms + +Required properties : +- compatible : Must be "cavium,octeon-7890-twsi" or a compatible string +- reg : Offset and length of the register set for the device +- clocks: Must contain the input clock of the I2C instance +- #address-cells = <1>; +- #size-cells = <0>; + +Optional properties : +- clock-frequency : Desired I2C bus clock frequency in Hz. If not specified, + the default 100 kHz frequency will be used. As only Normal, Fast and Fast+ + modes are implemented, possible values are 100000, 400000 and 1000000. + +Example : + + i2c0: i2c@1180000001000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "cavium,octeon-7890-twsi"; + reg = <0x11800 0x00001000 0x0 0x200>; + clock-frequency = <100000>; + clocks = <&sclk>; + }; |