diff options
| author | Shawn Guo <shawn.guo@linaro.org> | 2011-09-08 15:09:35 +0800 |
|---|---|---|
| committer | Ben Dooks <ben-linux@fluff.org> | 2011-09-14 22:16:14 +0100 |
| commit | dfcd04b19d16c0016c705ed96a8b3cfa5315a2e9 (patch) | |
| tree | 8053f44b44ee36faa97ede5914eca19fbb1ed123 /Documentation | |
| parent | 593702c71a415b153bd81fbc487394979f3e7a63 (diff) | |
i2c-imx: add device tree probe support
It adds device tree probe support for i2c-imx driver.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Darius Augulis <augulis.darius@gmail.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Acked-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/i2c/fsl-imx-i2c.txt | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/i2c/fsl-imx-i2c.txt b/Documentation/devicetree/bindings/i2c/fsl-imx-i2c.txt new file mode 100644 index 000000000000..f3cf43b66f7e --- /dev/null +++ b/Documentation/devicetree/bindings/i2c/fsl-imx-i2c.txt @@ -0,0 +1,25 @@ +* Freescale Inter IC (I2C) and High Speed Inter IC (HS-I2C) for i.MX + +Required properties: +- compatible : Should be "fsl,<chip>-i2c" +- 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,imx1-i2c"; + reg = <0x83fc4000 0x4000>; + interrupts = <63>; +}; + +i2c@70038000 { /* HS-I2C on i.MX51 */ + compatible = "fsl,imx51-i2c", "fsl,imx1-i2c"; + reg = <0x70038000 0x4000>; + interrupts = <64>; + clock-frequency = <400000>; +}; |