diff options
| author | Chris Coffey <cmc@babblebit.net> | 2018-11-20 15:17:12 +0100 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2018-11-25 13:26:52 +0100 |
| commit | f71b3c99128bae93c1b4262fc4f639652bb04e1e (patch) | |
| tree | cb761a771950e16bca11b3ac26551e3c36b51a33 /Documentation | |
| parent | Staging: iio: adt7316: Change the name from irq_flags to irq_type (diff) | |
| download | linux-f71b3c99128bae93c1b4262fc4f639652bb04e1e.tar.xz linux-f71b3c99128bae93c1b4262fc4f639652bb04e1e.zip | |
dt-bindings: iio: potentiometer: Add Microchip MCP41xxx/42xxx
This patch adds device tree documentation for the Microchip
MCP41xxx/42xxx family of digital potentiometers.
Signed-off-by: Chris Coffey <cmc@babblebit.net>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/devicetree/bindings/iio/potentiometer/mcp41010.txt | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/iio/potentiometer/mcp41010.txt b/Documentation/devicetree/bindings/iio/potentiometer/mcp41010.txt new file mode 100644 index 000000000000..566711b9950c --- /dev/null +++ b/Documentation/devicetree/bindings/iio/potentiometer/mcp41010.txt @@ -0,0 +1,28 @@ +* Microchip MCP41010/41050/41100/42010/42050/42100 Digital Potentiometer + +Datasheet publicly available at: +http://ww1.microchip.com/downloads/en/devicedoc/11195c.pdf + +The node for this driver must be a child node of a SPI controller, hence +all mandatory properties described in + + Documentation/devicetree/bindings/spi/spi-bus.txt + +must be specified. + +Required properties: + - compatible: Must be one of the following, depending on the + model: + "microchip,mcp41010" + "microchip,mcp41050" + "microchip,mcp41100" + "microchip,mcp42010" + "microchip,mcp42050" + "microchip,mcp42100" + +Example: +potentiometer@0 { + compatible = "microchip,mcp41010"; + reg = <0>; + spi-max-frequency = <500000>; +}; |