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> --- .../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
