Signed-off-by: Jan Sebastian Götte linux@jaseg.net --- .../devicetree/bindings/display/gdepaper.txt | 27 +++++++++++++++++++ 1 file changed, 27 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/gdepaper.txt
diff --git a/Documentation/devicetree/bindings/display/gdepaper.txt b/Documentation/devicetree/bindings/display/gdepaper.txt new file mode 100644 index 000000000000..7b86304d982f --- /dev/null +++ b/Documentation/devicetree/bindings/display/gdepaper.txt @@ -0,0 +1,27 @@ +Good Display/Waveshare e-ink displays + +Required properties: +- compatible: "gooddisplay,wfi0190cz22" for 2.7" b/w/red displays, + replace part number for other displays. + Use "gooddisplay,generic_epaper" to manually configure + the display's resolution etc. + +- dc-gpios: Data Command +- reset-gpios: Reset pin +- busy-gpios: Busy pin +- spi-speed-hz SPI baud rate to use to when talking to the display + +The node for this driver must be a child node of a SPI controller, hence +all mandatory properties described in ../spi/spi-bus.txt must be specified. + +Example: + + epaper@0{ + compatible = "gooddisplay,gdew042z15"; + reg = <0>; + spi-speed-hz = <1000000>; + spi-max-frequency = <6000000>; + dc-gpios = <&gpio 25 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio 17 GPIO_ACTIVE_HIGH>; + busy-gpios = <&gpio 24 GPIO_ACTIVE_LOW>; + };