On Mon, Jun 07, 2021 at 02:40:22PM -0500, Rob Herring wrote: > Convert the arm,sbsa-gwdt binding to DT schema format. > > Cc: Wim Van Sebroeck <wim@xxxxxxxxxxxxxxxxxx> > Cc: Guenter Roeck <linux@xxxxxxxxxxxx> > Cc: Fu Wei <fu.wei@xxxxxxxxxx> > Cc: linux-watchdog@xxxxxxxxxxxxxxx > Signed-off-by: Rob Herring <robh@xxxxxxxxxx> Acked-by: Guenter Roeck <linux@xxxxxxxxxxxx> > --- > .../bindings/watchdog/arm,sbsa-gwdt.yaml | 51 +++++++++++++++++++ > .../bindings/watchdog/sbsa-gwdt.txt | 31 ----------- > 2 files changed, 51 insertions(+), 31 deletions(-) > create mode 100644 Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml > delete mode 100644 Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt > > diff --git a/Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml b/Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml > new file mode 100644 > index 000000000000..6bfa46353c4e > --- /dev/null > +++ b/Documentation/devicetree/bindings/watchdog/arm,sbsa-gwdt.yaml > @@ -0,0 +1,51 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/watchdog/arm,sbsa-gwdt.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: SBSA (Server Base System Architecture) Generic Watchdog > + > +maintainers: > + - Fu Wei <fu.wei@xxxxxxxxxx> > + > +description: | > + The SBSA Generic Watchdog Timer is used to force a reset of the system after > + two stages of timeout have elapsed. A detailed definition of the watchdog > + timer can be found in the ARM document: ARM-DEN-0029 - Server Base System > + Architecture (SBSA) > + > +allOf: > + - $ref: watchdog.yaml# > + > +properties: > + compatible: > + const: arm,sbsa-gwdt > + > + reg: > + items: > + - description: Watchdog control frame > + - description: Refresh frame > + > + interrupts: > + description: The Watchdog Signal 0 (WS0) SPI (Shared Peripheral Interrupt) > + maxItems: 1 > + > +required: > + - compatible > + - reg > + - interrupts > + > +unevaluatedProperties: false > + > +examples: > + - | > + > + watchdog@2a440000 { > + compatible = "arm,sbsa-gwdt"; > + reg = <0x2a440000 0x1000>, > + <0x2a450000 0x1000>; > + interrupts = <0 27 4>; > + timeout-sec = <30>; > + }; > +... > diff --git a/Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt b/Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt > deleted file mode 100644 > index 6f2d5f91964d..000000000000 > --- a/Documentation/devicetree/bindings/watchdog/sbsa-gwdt.txt > +++ /dev/null > @@ -1,31 +0,0 @@ > -* SBSA (Server Base System Architecture) Generic Watchdog > - > -The SBSA Generic Watchdog Timer is used to force a reset of the system > -after two stages of timeout have elapsed. A detailed definition of the > -watchdog timer can be found in the ARM document: ARM-DEN-0029 - Server > -Base System Architecture (SBSA) > - > -Required properties: > -- compatible: Should at least contain "arm,sbsa-gwdt". > - > -- reg: Each entry specifies the base physical address of a register frame > - and the length of that frame; currently, two frames must be defined, > - in this order: > - 1: Watchdog control frame; > - 2: Refresh frame. > - > -- interrupts: Should contain the Watchdog Signal 0 (WS0) SPI (Shared > - Peripheral Interrupt) number of SBSA Generic Watchdog. > - > -Optional properties > -- timeout-sec: Watchdog timeout values (in seconds). > - > -Example for FVP Foundation Model v8: > - > -watchdog@2a440000 { > - compatible = "arm,sbsa-gwdt"; > - reg = <0x0 0x2a440000 0 0x1000>, > - <0x0 0x2a450000 0 0x1000>; > - interrupts = <0 27 4>; > - timeout-sec = <30>; > -}; > -- > 2.27.0 >
