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Diffstat (limited to 'dts/Bindings/i2c/i2c-imx.txt')
| -rw-r--r-- | dts/Bindings/i2c/i2c-imx.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/dts/Bindings/i2c/i2c-imx.txt b/dts/Bindings/i2c/i2c-imx.txt new file mode 100644 index 0000000000..4a8513e447 --- /dev/null +++ b/dts/Bindings/i2c/i2c-imx.txt @@ -0,0 +1,28 @@ +* Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX + +Required properties: +- compatible : + - "fsl,imx1-i2c" for I2C compatible with the one integrated on i.MX1 SoC + - "fsl,imx21-i2c" for I2C compatible with the one integrated on i.MX21 SoC + - "fsl,vf610-i2c" for I2C compatible with the one integrated on Vybrid vf610 SoC +- reg : Should contain I2C/HS-I2C registers location and length +- interrupts : Should contain I2C/HS-I2C interrupt + +Optional properties: +- clock-frequency : Constains desired I2C/HS-I2C bus clock frequency in Hz. + The absence of the propoerty indicates the default frequency 100 kHz. + +Examples: + +i2c@83fc4000 { /* I2C2 on i.MX51 */ + compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; + reg = <0x83fc4000 0x4000>; + interrupts = <63>; +}; + +i2c@70038000 { /* HS-I2C on i.MX51 */ + compatible = "fsl,imx51-i2c", "fsl,imx21-i2c"; + reg = <0x70038000 0x4000>; + interrupts = <64>; + clock-frequency = <400000>; +}; |