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authorHarald Geyer <harald@ccbib.org>2018-03-15 16:25:07 +0000
committerMaxime Ripard <maxime.ripard@bootlin.com>2018-03-19 22:12:26 +0100
commitd41850437c364ef7aba9bc25c1c701699d0240e0 (patch)
treea6b1ec49666d404a81ce353a759fd7e077d13fb4
parent11239fe6a06e38a58de61d6d798afd014e770a01 (diff)
arm64: dts: allwinner: a64: Add watchdog
Add a watchdog node for the A64, automatically enabled on all boards. Since the device is compatible with an existing driver, we only reserve a new compatible string to be used together with the fall back. Tested on Olimex Teres-I. Signed-off-by: Harald Geyer <harald@ccbib.org> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>
-rw-r--r--Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt6
-rw-r--r--arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi7
2 files changed, 11 insertions, 2 deletions
diff --git a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt
index 62dd5baad70e..04fc368d828f 100644
--- a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt
+++ b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt
@@ -2,8 +2,10 @@ Allwinner SoCs Watchdog timer
Required properties:
-- compatible : should be either "allwinner,sun4i-a10-wdt" or
- "allwinner,sun6i-a31-wdt"
+- compatible : should be one of
+ "allwinner,sun4i-a10-wdt"
+ "allwinner,sun6i-a31-wdt"
+ "allwinner,sun50i-a64-wdt","allwinner,sun6i-a31-wdt"
- reg : Specifies base physical address and size of the registers.
Example:
diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 64e452a758fa..8401e7f887ff 100644
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -665,5 +665,12 @@
#address-cells = <1>;
#size-cells = <0>;
};
+
+ wdt0: watchdog@1c20ca0 {
+ compatible = "allwinner,sun50i-a64-wdt",
+ "allwinner,sun6i-a31-wdt";
+ reg = <0x01c20ca0 0x20>;
+ interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
+ };
};
};