Add binding documentation for the Marvell GTI system watchdog driver. Signed-off-by: Bharat Bhushan <bbhushan2@xxxxxxxxxxx> --- v5: - Added wdt-timer-index property - Get clock frequency from clocks/clock-name device tree property .../bindings/watchdog/marvell,gti-wdt.yaml | 54 +++++++++++++++++++ 1 file changed, 54 insertions(+) create mode 100644 Documentation/devicetree/bindings/watchdog/marvell,gti-wdt.yaml diff --git a/Documentation/devicetree/bindings/watchdog/marvell,gti-wdt.yaml b/Documentation/devicetree/bindings/watchdog/marvell,gti-wdt.yaml new file mode 100644 index 000000000000..e3315653f961 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/marvell,gti-wdt.yaml @@ -0,0 +1,54 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/marvell,gti-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell Global Timer (GTI) system watchdog + +allOf: + - $ref: watchdog.yaml# + +maintainers: + - Bharat Bhushan <bbhushan2@xxxxxxxxxxx> + +properties: + compatible: + const: marvell,gti-wdt + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + wdt-timer-index: + maxItems: 1 + description: + This contains the timer number out of total 64 timers supported + by GTI hardware block. + +required: + - compatible + - reg + - interrupts + - wdt-timer-index + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/irq.h> + soc { + #address-cells = <2>; + #size-cells = <2>; + + watchdog@802000040000 { + compatible = "marvell,gti-wdt"; + reg = <0x00008020 0x00040000 0x00000000 0x00020000>; + interrupts = <0 38 IRQ_TYPE_EDGE_RISING>; + wdt-timer-index = <63>; + }; + }; + +... -- 2.17.1
