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/*
* Device Tree overlay for SSD1306 based SPI OLED display
*
*/
/dts-v1/;
/plugin/;
/ {
compatible = "brcm,bcm2835";
fragment@0 {
target = <&spi0>;
__overlay__ {
status = "okay";
};
};
fragment@1 {
target = <&spidev0>;
__overlay__ {
status = "disabled";
};
};
fragment@2 {
target = <&spidev1>;
__overlay__ {
status = "disabled";
};
};
fragment@3 {
target = <&gpio>;
__overlay__ {
ssd1306_pins: ssd1306_pins {
brcm,pins = <25 24>;
brcm,function = <1 1>; /* out out */
};
};
};
fragment@4 {
target = <&spi0>;
__overlay__ {
/* needed to avoid dtc warning */
#address-cells = <1>;
#size-cells = <0>;
ssd1306: ssd1306@0{
compatible = "solomon,ssd1306";
reg = <0>;
pinctrl-names = "default";
pinctrl-0 = <&ssd1306_pins>;
spi-max-frequency = <10000000>;
bgr = <0>;
bpp = <1>;
rotate = <0>;
fps = <25>;
buswidth = <8>;
reset-gpios = <&gpio 25 0>;
dc-gpios = <&gpio 24 0>;
debug = <0>;
solomon,height = <64>;
solomon,width = <128>;
solomon,page-offset = <0>;
};
};
};
__overrides__ {
speed = <&ssd1306>,"spi-max-frequency:0";
rotate = <&ssd1306>,"rotate:0";
fps = <&ssd1306>,"fps:0";
debug = <&ssd1306>,"debug:0";
dc_pin = <&ssd1306>,"dc-gpios:4",
<&ssd1306_pins>,"brcm,pins:4";
reset_pin = <&ssd1306>,"reset-gpios:4",
<&ssd1306_pins>,"brcm,pins:0";
height = <&ssd1306>,"solomon,height:0";
};
};
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