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