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

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Message-Id: <20190726053959.2003-12-andrew@aj.id.au>
Date:   Fri, 26 Jul 2019 15:09:53 +0930
From:   Andrew Jeffery <andrew@...id.au>
To:     linux-aspeed@...ts.ozlabs.org
Cc:     Andrew Jeffery <andrew@...id.au>, robh+dt@...nel.org,
        mark.rutland@....com, joel@....id.au, devicetree@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Patrick Venture <venture@...gle.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Subject: [RFC PATCH 11/17] dt-bindings: misc: Document reg for aspeed,p2a-ctrl nodes

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

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
 
-- 
2.20.1