From: David Lechner Date: Mon, 1 Jan 2018 19:02:15 +0000 (-0600) Subject: dt-bindings: Add binding for Sitronix ST7735R display panels X-Git-Tag: v5.15~8118^2~45^2~605 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=634ab311fca6f864f5ce5b887ae8a55e238c1dea;p=platform%2Fkernel%2Flinux-starfive.git dt-bindings: Add binding for Sitronix ST7735R display panels This adds a new device tree binding for Sitronix ST7735R display panels, such as the Adafruit 1.8" TFT. Signed-off-by: David Lechner Reviewed-by: Rob Herring Reviewed-by: Linus Walleij Signed-off-by: Noralf Trønnes Link: https://patchwork.freedesktop.org/patch/msgid/1514833336-22564-3-git-send-email-david@lechnology.com --- diff --git a/Documentation/devicetree/bindings/display/sitronix,st7735r.txt b/Documentation/devicetree/bindings/display/sitronix,st7735r.txt new file mode 100644 index 0000000..f0a5090 --- /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: "jianda,jd-t18003-t01", "sitronix,st7735r" +- 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 = "jianda,jd-t18003-t01", "sitronix,st7735r"; + reg = <0>; + spi-max-frequency = <32000000>; + dc-gpios = <&gpio 43 GPIO_ACTIVE_HIGH>; + reset-gpios = <&gpio 80 GPIO_ACTIVE_HIGH>; + rotation = <270>; + backlight = &backlight; + };