linux-kernel - [PATCH v4 1/2] dt-bindings: watchdog: Add Spreadtrum watchdog documentation

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Message-ID: <2ab9e83ca6c2b3590a50319262d054e346c43244.1509437905.git.eric.long@spreadtrum.com>
Date:   Tue, 31 Oct 2017 16:16:28 +0800
From:   Eric Long <eric.long@...eadtrum.com>
To:     Wim Van Sebroeck <wim@...ana.be>, Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>
CC:     <baolin.wang@...aro.org>, Guenter Roeck <linux@...ck-us.net>,
        <linux-watchdog@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <eric.long@...eadtrum.com>
Subject: [PATCH v4 1/2] dt-bindings: watchdog: Add Spreadtrum watchdog documentation

This patch adds the documentation for Spreadtrum watchdog driver.

Signed-off-by: Eric Long <eric.long@...eadtrum.com>
Acked-by: Rob Herring <robh@...nel.org>
---
Changes since v3:
- No updates.

Changes since v2:
- Add acked tag from Rob.

Changes since v1:
- No updates.
---
 .../devicetree/bindings/watchdog/sprd-wdt.txt         | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/watchdog/sprd-wdt.txt

diff --git a/Documentation/devicetree/bindings/watchdog/sprd-wdt.txt b/Documentation/devicetree/bindings/watchdog/sprd-wdt.txt
new file mode 100644
index 0000000..aeaf3e0
--- /dev/null
+++ b/Documentation/devicetree/bindings/watchdog/sprd-wdt.txt
@@ -0,0 +1,19 @@
+Spreadtrum SoCs Watchdog timer
+
+Required properties:
+- compatible : Should be "sprd,sp9860-wdt".
+- reg : Specifies base physical address and size of the registers.
+- interrupts : Exactly one interrupt specifier.
+- timeout-sec : Contain the default watchdog timeout in seconds.
+- clock-names : Contain the input clock names.
+- clocks : Phandles to input clocks.
+
+Example:
+	watchdog: watchdog@...10000 {
+		compatible = "sprd,sp9860-wdt";
+		reg = <0 0x40310000 0 0x1000>;
+		interrupts = <GIC_SPI 61 IRQ_TYPE_LEVEL_HIGH>;
+		timeout-sec = <12>;
+		clock-names = "enable", "rtc_enable";
+		clocks = <&clk_aon_apb_gates1 8>, <&clk_aon_apb_rtc_gates 9>;
+	};
-- 
1.9.1