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From:   Andrew Jeffery <andrew@aj.id.au>
To:     linux-aspeed@lists.ozlabs.org
Cc:     Andrew Jeffery <andrew@aj.id.au>, robh+dt@kernel.org,
        mark.rutland@arm.com, joel@jms.id.au, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Linus Walleij <linus.walleij@linaro.org>,
        linux-gpio@vger.kernel.org
Subject: [RFC PATCH 10/17] dt-bindings: pinctrl: aspeed: Add reg property as a hint
Date:   Fri, 26 Jul 2019 15:09:52 +0930
Message-Id: <20190726053959.2003-11-andrew@aj.id.au>
In-Reply-To: <20190726053959.2003-1-andrew@aj.id.au>
References: <20190726053959.2003-1-andrew@aj.id.au>
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The pinctrl 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: Linus Walleij <linus.walleij@linaro.org>
Cc: linux-gpio@vger.kernel.org
Signed-off-by: Andrew Jeffery <andrew@aj.id.au>
---
 .../devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml    | 3 +++
 .../devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml    | 3 +++
 2 files changed, 6 insertions(+)

diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml
index 125599a2dc5e..629a55c167ae 100644
--- a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2400-pinctrl.yaml
@@ -25,6 +25,9 @@ properties:
     enum:
       - aspeed,ast2400-pinctrl
       - aspeed,g4-pinctrl
+  reg:
+    description: |
+      A hint for the memory regions associated with the pin-controller
 
 patternProperties:
   '^.*$':
diff --git a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml
index 3e6d85318577..2e8971e23a02 100644
--- a/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/aspeed,ast2500-pinctrl.yaml
@@ -25,6 +25,9 @@ properties:
     enum:
       - aspeed,ast2500-pinctrl
       - aspeed,g5-pinctrl
+  reg:
+    description: |
+      A hint for the memory regions associated with the pin-controller
   aspeed,external-nodes:
     minItems: 2
     maxItems: 2
-- 
2.20.1