diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/sunxi/patches-4.14/040-arm64-dts-allwinner-a64-Add-watchdog.patch | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/target/linux/sunxi/patches-4.14/040-arm64-dts-allwinner-a64-Add-watchdog.patch b/target/linux/sunxi/patches-4.14/040-arm64-dts-allwinner-a64-Add-watchdog.patch new file mode 100644 index 0000000000..5aadaa7b0b --- /dev/null +++ b/target/linux/sunxi/patches-4.14/040-arm64-dts-allwinner-a64-Add-watchdog.patch @@ -0,0 +1,54 @@ +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(-) + +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>; ++ }; + }; + }; +-- +2.17.1 + |