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Diffstat (limited to 'doc/device-tree-bindings/i2c/nx_i2c.txt')
| -rw-r--r-- | doc/device-tree-bindings/i2c/nx_i2c.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/doc/device-tree-bindings/i2c/nx_i2c.txt b/doc/device-tree-bindings/i2c/nx_i2c.txt new file mode 100644 index 0000000000..9f3abe78e4 --- /dev/null +++ b/doc/device-tree-bindings/i2c/nx_i2c.txt @@ -0,0 +1,28 @@ +I2C controller embedded in Nexell's/Samsung's SoC S5P4418 and S5P6818 + +Driver: +- drivers/i2c/nx_i2c.c + +Required properties: +- #address-cells = <1>; +- #size-cells = <0>; +- compatible = "nexell,s5pxx18-i2c"; +- reg = <i2c_base 0x100>; + Where i2c_base has to be the base address of the i2c-register set. + I2C0: 0xc00a4000 + I2C1: 0xc00a5000 + I2C2: 0xc00a6000 + +Optional properties: +- clock-frequency: Desired I2C bus frequency in Hz, default value is 100000. +- i2c-sda-delay-ns (S5P6818 only): SDA delay in ns, default value is 0. +- Child nodes conforming to i2c bus binding. + +Example: + i2c0:i2c@c00a4000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "nexell,s5pxx18-i2c"; + reg = <0xc00a4000 0x100>; + clock-frequency = <400000>; + }; |