linux-kernel - [PATCH v4 01/20] dt-bindings: mrvl,mmp-timer: add clock

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Message-Id: <20181128175324.163202-2-lkundrak@v3.sk>
Date:   Wed, 28 Nov 2018 18:53:05 +0100
From:   Lubomir Rintel <lkundrak@...sk>
To:     arm@...nel.org, Olof Johansson <olof@...om.net>,
        Arnd Bergmann <arnd@...db.de>
Cc:     Eric Miao <eric.y.miao@...il.com>,
        Haojian Zhuang <haojian.zhuang@...il.com>,
        Russell King <linux@...linux.org.uk>,
        Robert Jarzmik <robert.jarzmik@...e.fr>,
        Pavel Machek <pavel@....cz>, James Cameron <quozl@...top.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Lubomir Rintel <lkundrak@...sk>
Subject: [PATCH v4 01/20] dt-bindings: mrvl,mmp-timer: add clock

The timer needs the timer clock to be enabled, otherwise it stops
ticking.

Signed-off-by: Lubomir Rintel <lkundrak@...sk>
Reviewed-by: Rob Herring <robh@...nel.org>
Acked-by: Pavel Machek <pavel@....cz>

---
Changes since v1:
- Made the clock optional, to keep compatibility with DTs without it

 Documentation/devicetree/bindings/timer/mrvl,mmp-timer.txt | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/Documentation/devicetree/bindings/timer/mrvl,mmp-timer.txt b/Documentation/devicetree/bindings/timer/mrvl,mmp-timer.txt
index 9a6e251462e7..b8f02c663521 100644
--- a/Documentation/devicetree/bindings/timer/mrvl,mmp-timer.txt
+++ b/Documentation/devicetree/bindings/timer/mrvl,mmp-timer.txt
@@ -5,9 +5,13 @@ Required properties:
 - reg : Address and length of the register set of timer controller.
 - interrupts : Should be the interrupt number.
 
+Optional properties:
+- clocks : Should contain a single entry describing the clock input.
+
 Example:
 	timer0: timer@...14000 {
 		compatible = "mrvl,mmp-timer";
 		reg = <0xd4014000 0x100>;
 		interrupts = <13>;
+		clocks = <&coreclk 2>;
 	};
-- 
2.19.1