Add "starfive,jh8100-wdt" compatible string for StarFive's JH8100
watchdog.
Since JH8100 watchdog only has 1 reset signal, update binding
document to support one reset for "starfive,jh8100-wdt" compatible.
Signed-off-by: Ley Foon Tan <leyfoon.tan@xxxxxxxxxxxxxxxx>
Signed-off-by: Ji Sheng Teoh <jisheng.teoh@xxxxxxxxxxxxxxxx>
---
.../watchdog/starfive,jh7100-wdt.yaml | 48 ++++++++++++++++---
1 file changed, 42 insertions(+), 6 deletions(-)
diff --git a/Documentation/devicetree/bindings/watchdog/starfive,jh7100-wdt.yaml b/Documentation/devicetree/bindings/watchdog/starfive,jh7100-wdt.yaml
index 68f3f6fd08a6..79082c5f9971 100644
--- a/Documentation/devicetree/bindings/watchdog/starfive,jh7100-wdt.yaml
+++ b/Documentation/devicetree/bindings/watchdog/starfive,jh7100-wdt.yaml
@@ -19,14 +19,17 @@ description:
isn't cleared, the watchdog will reset the system unless the watchdog
reset is disabled.
-allOf:
- - $ref: watchdog.yaml#
-
properties:
compatible:
- enum:
- - starfive,jh7100-wdt
- - starfive,jh7110-wdt
+ oneOf:
+ - items:
+ - enum:
+ - starfive,jh7100-wdt
+ - starfive,jh7110-wdt
+ - items:
+ - enum:
+ - starfive,jh8100-wdt
+ - const: starfive,jh7110-wdt
reg:
maxItems: 1
@@ -45,10 +48,33 @@ properties:
- const: core
resets:
+ minItems: 1
items:
- description: APB reset
- description: Core reset
+allOf:
+ - $ref: watchdog.yaml#
+
+ - if:
+ properties:
+ compatible:
+ contains:
+ enum:
+ - starfive,jh8100-wdt
+ then:
+ properties:
+ resets:
+ description: |
+ Must contain Core reset entry.
+ maxItems: 1
+ else:
+ properties:
+ resets:
+ description: |
+ Must contain APB reset and Core reset entry.
+ minItems: 2
+
required:
- compatible
- reg
@@ -69,3 +95,13 @@ examples:
resets = <&rst 99>,
<&rst 100>;
};
+
+ - |
+ watchdog@12270000 {
+ compatible = "starfive,jh8100-wdt", "starfive,jh7110-wdt";
+ reg = <0x12270000 0x10000>;
+ clocks = <&clk 78>,
+ <&clk 79>;
+ clock-names = "apb", "core";
+ resets = <&rst 15>;
+ };
--
2.25.1
