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Simple Framebuffer
A simple frame-buffer describes a raw memory region that may be rendered to,
with the assumption that the display hardware has already been set up to scan
out from that buffer.
Required properties:
- compatible: "simple-framebuffer"
- reg: Should contain the location and size of the framebuffer memory.
- width: The width of the framebuffer in pixels.
- height: The height of the framebuffer in pixels.
- stride: The number of bytes in each line of the framebuffer.
- format: The format of the framebuffer surface. Valid values are:
- r5g6b5 (16-bit pixels, d[15:11]=r, d[10:5]=g, d[4:0]=b).
Example:
framebuffer {
compatible = "simple-framebuffer";
reg = <0x1d385000 (1600 * 1200 * 2)>;
width = <1600>;
height = <1200>;
stride = <(1600 * 2)>;
format = "r5g6b5";
};