diff options
| author | Daniel Mack <zonque@gmail.com> | 2012-09-05 11:04:36 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2012-09-06 07:41:09 +0800 |
| commit | 38ab18caa0ad9c844ba60f9618c5de6d6954da3e (patch) | |
| tree | c4be63a707abc38de33cac71ea7c6bf674c2b26f /Documentation/devicetree/bindings/spi/spi-gpio.txt | |
| parent | 161c2dd3ca143f0dca50d72292bf651eabe2aa23 (diff) | |
spi: spi-gpio: Add DT bindings
This patch adds DT bindings to the spi-gpio driver and some
documentation about how to use it.
Signed-off-by: Daniel Mack <zonque@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'Documentation/devicetree/bindings/spi/spi-gpio.txt')
| -rw-r--r-- | Documentation/devicetree/bindings/spi/spi-gpio.txt | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/spi/spi-gpio.txt b/Documentation/devicetree/bindings/spi/spi-gpio.txt new file mode 100644 index 000000000000..8a824be15754 --- /dev/null +++ b/Documentation/devicetree/bindings/spi/spi-gpio.txt @@ -0,0 +1,29 @@ +SPI-GPIO devicetree bindings + +Required properties: + + - compatible: should be set to "spi-gpio" + - #address-cells: should be set to <0x1> + - ranges + - gpio-sck: GPIO spec for the SCK line to use + - gpio-miso: GPIO spec for the MISO line to use + - gpio-mosi: GPIO spec for the MOSI line to use + - cs-gpios: GPIOs to use for chipselect lines + - num-chipselects: number of chipselect lines + +Example: + + spi { + compatible = "spi-gpio"; + #address-cells = <0x1>; + ranges; + + gpio-sck = <&gpio 95 0>; + gpio-miso = <&gpio 98 0>; + gpio-mosi = <&gpio 97 0>; + cs-gpios = <&gpio 125 0>; + num-chipselects = <1>; + + /* clients */ + }; + |