This adds a new device tree binding for Sitronix ST7735R display panels, such as the Adafruit 1.8" TFT.
Signed-off-by: David Lechner david@lechnology.com --- .../bindings/display/sitronix,st7735r.txt | 35 ++++++++++++++++++++++ 1 file changed, 35 insertions(+) create mode 100644 Documentation/devicetree/bindings/display/sitronix,st7735r.txt
diff --git a/Documentation/devicetree/bindings/display/sitronix,st7735r.txt b/Documentation/devicetree/bindings/display/sitronix,st7735r.txt new file mode 100644 index 0000000..bbb8ba6 --- /dev/null +++ b/Documentation/devicetree/bindings/display/sitronix,st7735r.txt @@ -0,0 +1,35 @@ +Sitronix ST7735R display panels + +This binding is for display panels using a Sitronix ST7735R controller in SPI +mode. + +Required properties: +- compatible: "sitronix,st7735r-jd-t18003-t01" +- dc-gpios: Display data/command selection (D/CX) +- reset-gpios: Reset signal (RSTX) + +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: + + backlight: backlight { + compatible = "gpio-backlight"; + gpios = <&gpio 44 GPIO_ACTIVE_HIGH>; + } + + ... + + display@0{ + compatible = "sitronix,st7735r-jd-t18003-t01"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>; + rotation = <270>; + backlight = &backlight; + };