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[RFC,11/17] dt-bindings: misc: Document reg for aspeed, p2a-ctrl nodes

Message ID 20190726053959.2003-12-andrew@aj.id.au (mailing list archive)
State New, archived
Headers show
Series Clean up ASPEED devicetree warnings | expand

Commit Message

Andrew Jeffery July 26, 2019, 5:39 a.m. UTC 
The P2A controller node sits under a syscon device, and can assume
offsets from the base of the syscon based on the compatible. However,
for devicetree correctness allow a reg property to be specified, which
an associated driver may choose to use to discover associated resources.

Cc: Patrick Venture <venture@google.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
---
 Documentation/devicetree/bindings/misc/aspeed-p2a-ctrl.txt | 1 +
 1 file changed, 1 insertion(+)
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Patch

diff --git a/Documentation/devicetree/bindings/misc/aspeed-p2a-ctrl.txt b/Documentation/devicetree/bindings/misc/aspeed-p2a-ctrl.txt
index 854bd67ffec6..091d1c5ec58f 100644
--- a/Documentation/devicetree/bindings/misc/aspeed-p2a-ctrl.txt
+++ b/Documentation/devicetree/bindings/misc/aspeed-p2a-ctrl.txt
@@ -18,6 +18,7 @@  Required properties:
 Optional properties:
 ===================
 
+- reg: A hint for the memory regions associated with the P2A controller
 - memory-region: A phandle to a reserved_memory region to be used for the PCI
 		to AHB mapping