On Wed, Aug 21, 2019 at 04:38:31PM +0200, Maxime Ripard wrote: > From: Maxime Ripard <maxime.rip...@bootlin.com> > > The Allwinner SoCs have a watchdog supported in Linux, with a matching > Device Tree binding. > > Now that we have the DT validation in place, let's convert the device tree > bindings for that controller over to a YAML schemas. > > Reviewed-by: Rob Herring <r...@kernel.org> > Signed-off-by: Maxime Ripard <maxime.rip...@bootlin.com> > Reviewed-by: Guenter Roeck <li...@roeck-us.net>
> --- > > Changes from v1: > - Use generic watchdog schema > - Use unevaluatedProperties instead of additionalProperties > --- > .../watchdog/allwinner,sun4i-a10-wdt.yaml | 48 +++++++++++++++++++ > .../bindings/watchdog/sunxi-wdt.txt | 22 --------- > 2 files changed, 48 insertions(+), 22 deletions(-) > create mode 100644 > Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml > delete mode 100644 Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt > > diff --git > a/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml > b/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml > new file mode 100644 > index 000000000000..dc7553f57708 > --- /dev/null > +++ b/Documentation/devicetree/bindings/watchdog/allwinner,sun4i-a10-wdt.yaml > @@ -0,0 +1,48 @@ > +# SPDX-License-Identifier: GPL-2.0 > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/watchdog/allwinner,sun4i-a10-wdt.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Allwinner A10 Watchdog Device Tree Bindings > + > +allOf: > + - $ref: "watchdog.yaml#" > + > +maintainers: > + - Chen-Yu Tsai <w...@csie.org> > + - Maxime Ripard <maxime.rip...@bootlin.com> > + > +properties: > + compatible: > + oneOf: > + - const: allwinner,sun4i-a10-wdt > + - const: allwinner,sun6i-a31-wdt > + - items: > + - const: allwinner,sun50i-a64-wdt > + - const: allwinner,sun6i-a31-wdt > + - items: > + - const: allwinner,sun50i-h6-wdt > + - const: allwinner,sun6i-a31-wdt > + - items: > + - const: allwinner,suniv-f1c100s-wdt > + - const: allwinner,sun4i-a10-wdt > + > + reg: > + maxItems: 1 > + > +required: > + - compatible > + - reg > + > +unevaluatedProperties: false > + > +examples: > + - | > + wdt: watchdog@1c20c90 { > + compatible = "allwinner,sun4i-a10-wdt"; > + reg = <0x01c20c90 0x10>; > + timeout-sec = <10>; > + }; > + > +... > diff --git a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt > b/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt > deleted file mode 100644 > index e65198d82a2b..000000000000 > --- a/Documentation/devicetree/bindings/watchdog/sunxi-wdt.txt > +++ /dev/null > @@ -1,22 +0,0 @@ > -Allwinner SoCs Watchdog timer > - > -Required properties: > - > -- compatible : should be one of > - "allwinner,sun4i-a10-wdt" > - "allwinner,sun6i-a31-wdt" > - "allwinner,sun50i-a64-wdt","allwinner,sun6i-a31-wdt" > - "allwinner,sun50i-h6-wdt","allwinner,sun6i-a31-wdt" > - "allwinner,suniv-f1c100s-wdt", "allwinner,sun4i-a10-wdt" > -- reg : Specifies base physical address and size of the registers. > - > -Optional properties: > -- timeout-sec : Contains the watchdog timeout in seconds > - > -Example: > - > -wdt: watchdog@1c20c90 { > - compatible = "allwinner,sun4i-a10-wdt"; > - reg = <0x01c20c90 0x10>; > - timeout-sec = <10>; > -}; > -- > 2.21.0 >
