48 lines
1.6 KiB
Diff
48 lines
1.6 KiB
Diff
From d41850437c364ef7aba9bc25c1c701699d0240e0 Mon Sep 17 00:00:00 2001
|
|
From: Harald Geyer <harald@ccbib.org>
|
|
Date: Thu, 15 Mar 2018 16:25:07 +0000
|
|
Subject: [PATCH] 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>
|
|
---
|
|
Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt | 6 ++++--
|
|
arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi | 7 +++++++
|
|
2 files changed, 11 insertions(+), 2 deletions(-)
|
|
|
|
--- 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:
|
|
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
|
|
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
|
|
@@ -537,5 +537,12 @@
|
|
#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>;
|
|
+ };
|
|
};
|
|
};
|