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dt-bindings: add binding for Allwinner A64 SRAM controller and SRAM C

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The display engine on Allwinner A64 wants to claim the SRAM C section.

Add a SRAM controller compatible for A64, and a SRAM section compatible
for its SRAM C.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Chen-Yu Tsai <wens@csie.org>
This commit is contained in:
Icenowy Zheng 2017-08-09 16:56:24 +08:00 committed by Chen-Yu Tsai
parent dc1a37b2b9
commit 189f02826c
1 changed files with 7 additions and 2 deletions
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9
Documentation/devicetree/bindings/sram/sunxi-sram.txt
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@ -9,7 +9,9 @@ Controller Node
---------------
Required properties:
- compatible : "allwinner,sun4i-a10-sram-controller"
- compatible : should be:
- "allwinner,sun4i-a10-sram-controller"
- "allwinner,sun50i-a64-sram-controller"
- reg : sram controller register offset + length
SRAM nodes
@ -22,10 +24,13 @@ Each SRAM will have SRAM sections that are going to be handled by the
SRAM controller as subnodes. These sections are represented following
once again the representation described in the mmio-sram binding.
The valid sections compatible are:
The valid sections compatible for A10 are:
- allwinner,sun4i-a10-sram-a3-a4
- allwinner,sun4i-a10-sram-d
The valid sections compatible for A64 are:
- allwinner,sun50i-a64-sram-c
Devices using SRAM sections
---------------------------