linux-kernel - [PATCH 3/4] watchdog: Add brcm,bcm6345-wdt device tree binding

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Date:	Sat, 21 Nov 2015 19:04:39 +0000
From:	Simon Arlott <simon@...e.lp0.eu>
To:	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	Ralf Baechle <ralf@...ux-mips.org>,
	Thomas Gleixner <tglx@...utronix.de>,
	Jason Cooper <jason@...edaemon.net>,
	Marc Zyngier <marc.zyngier@....com>,
	Kevin Cernekee <cernekee@...il.com>,
	Florian Fainelli <f.fainelli@...il.com>,
	Wim Van Sebroeck <wim@...ana.be>,
	Miguel Gaio <miguel.gaio@...xo.com>,
	Maxime Bizon <mbizon@...ebox.fr>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
	linux-mips@...ux-mips.org, linux-watchdog@...r.kernel.org
Cc:	Rob Herring <robh+dt@...nel.org>, Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Kumar Gala <galak@...eaurora.org>
Subject: [PATCH 3/4] watchdog: Add brcm,bcm6345-wdt device tree binding

Add device tree binding for the BCM6345 watchdog.

This uses the BCM6345 timer for its warning interrupt.

Signed-off-by: Simon Arlott <simon@...e.lp0.eu>
---
 .../bindings/watchdog/brcm,bcm6345-wdt.txt         | 35 ++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/brcm,bcm6345-wdt.txt

diff --git a/Documentation/devicetree/bindings/watchdog/brcm,bcm6345-wdt.txt b/Documentation/devicetree/bindings/watchdog/brcm,bcm6345-wdt.txt
new file mode 100644
index 0000000..9d852d4
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/brcm,bcm6345-wdt.txt
@@ -0,0 +1,35 @@
+BCM6345 Watchdog timer
+
+Required properties:
+
+- compatible: should be "brcm,bcm63<soc>-wdt", "brcm,bcm6345-wdt"
+- reg: Specifies base physical address and size of the registers.
+- clocks: Specify the clock used for timing
+
+Optional properties:
+
+- interrupt-parent: phandle to the interrupt controller
+- interrupts: Specify the interrupt used for the watchdog timout warning
+- timeout-sec: Contains the default watchdog timeout in seconds
+
+Example:
+
+watchdog {
+	compatible = "brcm,bcm63168-wdt", "brcm,bcm6345-wdt";
+	reg = <0x1000009c 0x0c>;
+	clocks = <&periph_clk>;
+
+	interrupt-parent = <&timer>;
+	interrupts = <3>;
+	timeout-sec = <30>;
+};
+
+watchdog {
+	compatible = "brcm,bcm6318-wdt", "brcm,bcm6345-wdt";
+	reg = <0x10000068 0x0c>;
+	clocks = <&periph_clk>;
+
+	interrupt-parent = <&timer>;
+	interrupts = <3>;
+	timeout-sec = <30>;
+};
-- 
2.1.4

-- 
Simon Arlott
--
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