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

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>

diff --git a/Documentation/devicetree/bindings/sram/sunxi-sram.txt b/Documentation/devicetree/bindings/sram/sunxi-sram.txt
index d7dd1a3930119ac9209776742cd3b6a4d8e0b24b..23e1333d444f544ce082de5fd0abed0d1bbc9cbb 100644 (file)
--- a/Documentation/devicetree/bindings/sram/sunxi-sram.txt
+++ b/Documentation/devicetree/bindings/sram/sunxi-sram.txt
@@ -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