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authorEric Long <eric.long@spreadtrum.com>2017-11-06 05:46:27 +0300
committerWim Van Sebroeck <wim@iguana.be>2017-12-28 22:45:40 +0300
commitc5d8d40b28ba0b619f4ef5dd77169b0f1ff77148 (patch)
treee17153be68b87f2b272d53a6879874834c10151c /Documentation
parent19ce9490aa840164a88aad033200ac8c2117c7da (diff)
downloadlinux-c5d8d40b28ba0b619f4ef5dd77169b0f1ff77148.tar.xz
dt-bindings: watchdog: Add Spreadtrum watchdog documentation
This patch adds the documentation for Spreadtrum watchdog driver. Signed-off-by: Eric Long <eric.long@spreadtrum.com> Acked-by: Rob Herring <robh@kernel.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Guenter Roeck <linux@roeck-us.net> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/devicetree/bindings/watchdog/sprd-wdt.txt19
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/sprd-wdt.txt b/Documentation/devicetree/bindings/watchdog/sprd-wdt.txt
new file mode 100644
index 000000000000..aeaf3e0caf47
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+++ 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@40310000 {
+ 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>;
+ };