Commit 189f0282 authored by Icenowy Zheng's avatar Icenowy Zheng Committed by Chen-Yu Tsai
Browse files

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



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: default avatarIcenowy Zheng <icenowy@aosc.io>
Acked-by: default avatarRob Herring <robh@kernel.org>
Signed-off-by: default avatarChen-Yu Tsai <wens@csie.org>
parent dc1a37b2

Documentation/devicetree/bindings/sram/sunxi-sram.txt

+7 −2
Original line number Original line Diff line number Diff line
@@ -9,7 +9,9 @@ Controller Node 
---------------

---------------





Required properties:

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

- reg : sram controller register offset + length





SRAM nodes

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

SRAM controller as subnodes. These sections are represented following

once again the representation described in the mmio-sram binding.

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-a3-a4

    - allwinner,sun4i-a10-sram-d

    - allwinner,sun4i-a10-sram-d





The valid sections compatible for A64 are:

    - allwinner,sun50i-a64-sram-c



Devices using SRAM sections

Devices using SRAM sections

---------------------------

---------------------------