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Diffstat (limited to 'dts/Bindings/video/simple-framebuffer.txt')
-rw-r--r-- | dts/Bindings/video/simple-framebuffer.txt | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/dts/Bindings/video/simple-framebuffer.txt b/dts/Bindings/video/simple-framebuffer.txt new file mode 100644 index 0000000000..70c26f3a5b --- /dev/null +++ b/dts/Bindings/video/simple-framebuffer.txt @@ -0,0 +1,26 @@ +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). + - a8b8g8r8 (32-bit pixels, d[31:24]=a, d[23:16]=b, d[15:8]=g, d[7:0]=r). + +Example: + + framebuffer { + compatible = "simple-framebuffer"; + reg = <0x1d385000 (1600 * 1200 * 2)>; + width = <1600>; + height = <1200>; + stride = <(1600 * 2)>; + format = "r5g6b5"; + }; |