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A canvas is a collection of metadata that describes a pixel buffer.
-Those metadata include: width, height, phyaddr, wrapping, block mode
-and endianness.
+Those metadata include: width, height, phyaddr, wrapping and block mode.
+Starting with GXBB the endianness can also be described.
Many IPs within Amlogic SoCs rely on canvas indexes to read/write pixel data
rather than use the phy addresses directly. For instance, this is the case for
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Required properties:
-- compatible: "amlogic,canvas"
+- compatible: has to be one of:
+ - "amlogic,meson8-canvas", "amlogic,canvas" on Meson8
+ - "amlogic,meson8b-canvas", "amlogic,canvas" on Meson8b
+ - "amlogic,meson8m2-canvas", "amlogic,canvas" on Meson8m2
+ - "amlogic,canvas" on GXBB and newer
- reg: Base physical address and size of the canvas registers.
Example: