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dt-bindings: sram: sunxi: Add A13, A20, A23 and H3 dedicated bindings

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This introduces dedicated bindings for the system control blocks found
on the A13, A20, A23 and H3 sunxi platforms.

Since the controllers on the A33 are the very same as those on the A23,
no specific compatible is introduced for it.

These bindings are introduced to allow reflecting the differences that
exist between these controllers, that may become significant to driver
implementations.

Signed-off-by: Paul Kocialkowski <paul.kocialkowski@bootlin.com>
[Maxime: Added A10 fallback compatible for the A20]
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
This commit is contained in:
Paul Kocialkowski 2018-07-10 10:00:56 +02:00 committed by Maxime Ripard
parent acc26f59f8
commit 7d88cd7827
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Documentation/devicetree/bindings/sram/sunxi-sram.txt
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@ -12,6 +12,10 @@ Required properties:
- compatible : should be:
- "allwinner,sun4i-a10-sram-controller" (deprecated)
- "allwinner,sun4i-a10-system-control"
- "allwinner,sun5i-a13-system-control"
- "allwinner,sun7i-a20-system-control", "allwinner,sun4i-a10-system-control"
- "allwinner,sun8i-a23-system-control"
- "allwinner,sun8i-h3-system-control"
- "allwinner,sun50i-a64-sram-controller" (deprecated)
- "allwinner,sun50i-a64-system-control"
- reg : sram controller register offset + length