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| author | Shawn Guo <shawn.guo@linaro.org> | 2011-07-10 01:16:41 +0800 |
|---|---|---|
| committer | Grant Likely <grant.likely@secretlab.ca> | 2011-07-14 13:47:18 -0600 |
| commit | 22a85e4cd51b49ec99703ddfdff8686d5442a093 (patch) | |
| tree | ef8ba67b86bd74f67a5f14752a0edb7b72254291 /Documentation | |
| parent | c2387cb9e55f9c85ed33a5bf086f348312158133 (diff) | |
| download | op-kernel-dev-22a85e4cd51b49ec99703ddfdff8686d5442a093.zip op-kernel-dev-22a85e4cd51b49ec99703ddfdff8686d5442a093.tar.gz | |
spi/imx: add device tree probe support
It adds device tree probe support for spi-imx driver.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt new file mode 100644 index 0000000..9841057 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/fsl-imx-cspi.txt @@ -0,0 +1,22 @@ +* Freescale (Enhanced) Configurable Serial Peripheral Interface + (CSPI/eCSPI) for i.MX + +Required properties: +- compatible : Should be "fsl,<soc>-cspi" or "fsl,<soc>-ecspi" +- reg : Offset and length of the register set for the device +- interrupts : Should contain CSPI/eCSPI interrupt +- fsl,spi-num-chipselects : Contains the number of the chipselect +- cs-gpios : Specifies the gpio pins to be used for chipselects. + +Example: + +ecspi@70010000 { + #address-cells = <1>; + #size-cells = <0>; + compatible = "fsl,imx51-ecspi"; + reg = <0x70010000 0x4000>; + interrupts = <36>; + fsl,spi-num-chipselects = <2>; + cs-gpios = <&gpio3 24 0>, /* GPIO4_24 */ + <&gpio3 25 0>; /* GPIO4_25 */ +}; |
