linux-kernel - [PATCH v2 2/4] gpio: aspeed: dt: Add optional clocks property

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Message-Id: <20170407125902.15960-3-andrew@aj.id.au>
Date:   Fri,  7 Apr 2017 22:29:00 +0930
From:   Andrew Jeffery <andrew@...id.au>
To:     Linus Walleij <linus.walleij@...aro.org>
Cc:     Andrew Jeffery <andrew@...id.au>, Rob Herring <robh+dt@...nel.org>,
        Joel Stanley <joel@....id.au>,
        Benjamin Herrenschmidt <benh@...nel.crashing.org>,
        linux-gpio@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, openbmc@...ts.ozlabs.org
Subject: [PATCH v2 2/4] gpio: aspeed: dt: Add optional clocks property

We need a reference to the HPLL to calculate debounce cycles. If the
clocks property is not supplied in the GPIO node then the consumer
should deny any debounce requests.

Signed-off-by: Andrew Jeffery <andrew@...id.au>
---
 Documentation/devicetree/bindings/gpio/gpio-aspeed.txt | 1 +
 1 file changed, 1 insertion(+)

diff --git a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
index 6f30b9a048da..c756afa88cc6 100644
--- a/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
+++ b/Documentation/devicetree/bindings/gpio/gpio-aspeed.txt
@@ -18,6 +18,7 @@ Required properties:
 Optional properties:
 
 - interrupt-parent      : The parent interrupt controller, optional if inherited
+- clocks                : A phandle to the HPLL clock node for debounce timings
 
 The gpio and interrupt properties are further described in their respective
 bindings documentation:
-- 
2.9.3