This adds a new binding for Himax HX8357D display panels. It includes a compatible string for one display (more can be added in the future). The YX350HV15 panel[1] is found in the Adafruit PiTFT 3.5" Touch Screen for Raspberry Pi. [1] https://learn.adafruit.com/adafruit-pitft-3-dot-5-touch-screen-for-raspberry-pi/downloads This binding is closely modeled after the ili9341 binding, for a similar product from adafruit. The primary difference is that the hx8367d doesn't have a reset line that I can find in the schematics. Signed-off-by: Eric Anholt <eric@xxxxxxxxxx> --- .../bindings/display/himax,hx8357d.txt | 25 +++++++++++++++++++ 1 file changed, 25 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/himax,hx8357d.txt diff --git a/Documentation/devicetree/bindings/display/himax,hx8357d.txt b/Documentation/devicetree/bindings/display/himax,hx8357d.txt new file mode 100644 index 000000000000..48586e570be0 --- /dev/null +++ b/Documentation/devicetree/bindings/display/himax,hx8357d.txt @@ -0,0 +1,25 @@ +Himax HX8357D display panels + +This binding is for display panels using a Himax HX8357D controller in SPI +mode, such as the Adafruit 3.5" TFT for Raspberry Pi. + +Required properties: +- compatible: "adafruit,yx350hv15", "himax,hx8357d" +- dc-gpios: D/C pin + +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. + +Optional properties: +- rotation: panel rotation in degrees counter clockwise (0,90,180,270) +- backlight: phandle of the backlight device attached to the panel + +Example: + display@0{ + compatible = "adafruit,yx350hv15", "himax,hx8357d"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio0 25 GPIO_ACTIVE_HIGH>; + rotation = <90>; + backlight = <&backlight>; + }; -- 2.19.1
