mirror of https://gitee.com/openkylin/linux.git
29 lines
1.1 KiB
Plaintext
29 lines
1.1 KiB
Plaintext
* Solomon SSD1307 Framebuffer Driver
|
|
|
|
Required properties:
|
|
- compatible: Should be "solomon,<chip>fb-<bus>". The only supported bus for
|
|
now is i2c, and the supported chips are ssd1306 and ssd1307.
|
|
- reg: Should contain address of the controller on the I2C bus. Most likely
|
|
0x3c or 0x3d
|
|
- pwm: Should contain the pwm to use according to the OF device tree PWM
|
|
specification [0]. Only required for the ssd1307.
|
|
- reset-gpios: Should contain the GPIO used to reset the OLED display
|
|
- solomon,height: Height in pixel of the screen driven by the controller
|
|
- solomon,width: Width in pixel of the screen driven by the controller
|
|
- solomon,page-offset: Offset of pages (band of 8 pixels) that the screen is
|
|
mapped to.
|
|
|
|
Optional properties:
|
|
- reset-active-low: Is the reset gpio is active on physical low?
|
|
|
|
[0]: Documentation/devicetree/bindings/pwm/pwm.txt
|
|
|
|
Examples:
|
|
ssd1307: oled@3c {
|
|
compatible = "solomon,ssd1307fb-i2c";
|
|
reg = <0x3c>;
|
|
pwms = <&pwm 4 3000>;
|
|
reset-gpios = <&gpio2 7>;
|
|
reset-active-low;
|
|
};
|