On Thu, May 11, 2023 at 08:11:58PM +0800, Keguang Zhang wrote: > Add devicetree binding document for Loongson-1 watchdog. > > Signed-off-by: Keguang Zhang <keguang.zhang@xxxxxxxxx> Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > V1 -> V2: Replaced the wildcard compatible string with specific ones > Use unevaluatedProperties instead of additionalProperties > (suggested by Krzysztof Kozlowski) > --- > .../bindings/watchdog/loongson,ls1x-wdt.yaml | 42 +++++++++++++++++++ > 1 file changed, 42 insertions(+) > create mode 100644 Documentation/devicetree/bindings/watchdog/loongson,ls1x-wdt.yaml > > diff --git a/Documentation/devicetree/bindings/watchdog/loongson,ls1x-wdt.yaml b/Documentation/devicetree/bindings/watchdog/loongson,ls1x-wdt.yaml > new file mode 100644 > index 000000000000..81690d4b62a6 > --- /dev/null > +++ b/Documentation/devicetree/bindings/watchdog/loongson,ls1x-wdt.yaml > @@ -0,0 +1,42 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/watchdog/loongson,ls1x-wdt.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Loongson-1 Watchdog Timer > + > +maintainers: > + - Keguang Zhang <keguang.zhang@xxxxxxxxx> > + > +allOf: > + - $ref: watchdog.yaml# > + > +properties: > + compatible: > + enum: > + - loongson,ls1b-wdt > + - loongson,ls1c-wdt > + > + reg: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - clocks > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/clock/loongson,ls1x-clk.h> > + watchdog: watchdog@1fe5c060 { > + compatible = "loongson,ls1b-wdt"; > + reg = <0x1fe5c060 0xc>; > + > + clocks = <&clkc LS1X_CLKID_APB>; > + }; > -- > 2.39.2 >
