| Message ID | 20230803032523.6242-1-bbhushan2@marvell.com (mailing list archive) |
|---|---|
| State | Accepted |
| Headers | show |
| Series | [1/2,v11] dt-bindings: watchdog: marvell GTI system watchdog driver | expand |
On 8/2/23 20:25, Bharat Bhushan wrote: > Add binding documentation for the Marvell GTI system > watchdog driver. > > Signed-off-by: Bharat Bhushan <bbhushan2@marvell.com> > Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org> Reviewed-by: Guenter Roeck <linux@roeck-us.net> > --- > v11: > - No change > > v10: > - Added Reviewed by Krzysztof Kozlowski > > v9: > - Rename binding file name from marvell,octeontx2-wdt.yaml to > marvell,cn10624-wdt.yaml > - "allOf: - $ref: watchdog.yaml#" moved after maintainers > - clocks have maxItems rather than minItems > - Added "clock-names" name defination > - Added Fallback to compatible > > v8: > - Compatible name as per soc name > > .../watchdog/marvell,cn10624-wdt.yaml | 83 +++++++++++++++++++ > .../watchdog/marvell,cn10624-wdt.yaml | 83 +++++++++++++++++++ > 1 file changed, 83 insertions(+) > create mode 100644 Documentation/devicetree/bindings/watchdog/marvell,cn10624-wdt.yaml > > diff --git a/Documentation/devicetree/bindings/watchdog/marvell,cn10624-wdt.yaml b/Documentation/devicetree/bindings/watchdog/marvell,cn10624-wdt.yaml > new file mode 100644 > index 000000000000..1b583f232e53 > --- /dev/null > +++ b/Documentation/devicetree/bindings/watchdog/marvell,cn10624-wdt.yaml > @@ -0,0 +1,83 @@ > +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) > +%YAML 1.2 > +--- > +$id: http://devicetree.org/schemas/watchdog/marvell,cn10624-wdt.yaml# > +$schema: http://devicetree.org/meta-schemas/core.yaml# > + > +title: Marvell Global Timer (GTI) system watchdog > + > +maintainers: > + - Bharat Bhushan <bbhushan2@marvell.com> > + > +allOf: > + - $ref: watchdog.yaml# > + > +properties: > + compatible: > + oneOf: > + - enum: > + - marvell,cn9670-wdt > + - marvell,cn10624-wdt > + > + - items: > + - enum: > + - marvell,cn9880-wdt > + - marvell,cnf9535-wdt > + - const: marvell,cn9670-wdt > + > + - items: > + - enum: > + - marvell,cn10308-wdt > + - marvell,cnf10518-wdt > + - const: marvell,cn10624-wdt > + > + reg: > + maxItems: 1 > + > + interrupts: > + maxItems: 1 > + > + clocks: > + maxItems: 1 > + > + clock-names: > + items: > + - const: refclk > + > + marvell,wdt-timer-index: > + $ref: /schemas/types.yaml#/definitions/uint32 > + minimum: 0 > + maximum: 63 > + description: > + An SoC have many timers (up to 64), firmware can reserve one or more timer > + for some other use case and configures one of the global timer as watchdog > + timer. Firmware will update this field with the timer number configured > + as watchdog timer. > + > +required: > + - compatible > + - reg > + - interrupts > + - clocks > + - clock-names > + > +unevaluatedProperties: false > + > +examples: > + - | > + #include <dt-bindings/interrupt-controller/arm-gic.h> > + soc { > + #address-cells = <2>; > + #size-cells = <2>; > + > + watchdog@802000040000 { > + compatible = "marvell,cn9670-wdt"; > + reg = <0x00008020 0x00040000 0x00000000 0x00020000>; > + interrupts = <GIC_SPI 38 IRQ_TYPE_EDGE_RISING>; > + clocks = <&sclk>; > + clock-names = "refclk"; > + marvell,wdt-timer-index = <63>; > + }; > + }; > + > +...
diff --git a/Documentation/devicetree/bindings/watchdog/marvell,cn10624-wdt.yaml b/Documentation/devicetree/bindings/watchdog/marvell,cn10624-wdt.yaml new file mode 100644 index 000000000000..1b583f232e53 --- /dev/null +++ b/Documentation/devicetree/bindings/watchdog/marvell,cn10624-wdt.yaml @@ -0,0 +1,83 @@ +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) +%YAML 1.2 +--- +$id: http://devicetree.org/schemas/watchdog/marvell,cn10624-wdt.yaml# +$schema: http://devicetree.org/meta-schemas/core.yaml# + +title: Marvell Global Timer (GTI) system watchdog + +maintainers: + - Bharat Bhushan <bbhushan2@marvell.com> + +allOf: + - $ref: watchdog.yaml# + +properties: + compatible: + oneOf: + - enum: + - marvell,cn9670-wdt + - marvell,cn10624-wdt + + - items: + - enum: + - marvell,cn9880-wdt + - marvell,cnf9535-wdt + - const: marvell,cn9670-wdt + + - items: + - enum: + - marvell,cn10308-wdt + - marvell,cnf10518-wdt + - const: marvell,cn10624-wdt + + reg: + maxItems: 1 + + interrupts: + maxItems: 1 + + clocks: + maxItems: 1 + + clock-names: + items: + - const: refclk + + marvell,wdt-timer-index: + $ref: /schemas/types.yaml#/definitions/uint32 + minimum: 0 + maximum: 63 + description: + An SoC have many timers (up to 64), firmware can reserve one or more timer + for some other use case and configures one of the global timer as watchdog + timer. Firmware will update this field with the timer number configured + as watchdog timer. + +required: + - compatible + - reg + - interrupts + - clocks + - clock-names + +unevaluatedProperties: false + +examples: + - | + #include <dt-bindings/interrupt-controller/arm-gic.h> + soc { + #address-cells = <2>; + #size-cells = <2>; + + watchdog@802000040000 { + compatible = "marvell,cn9670-wdt"; + reg = <0x00008020 0x00040000 0x00000000 0x00020000>; + interrupts = <GIC_SPI 38 IRQ_TYPE_EDGE_RISING>; + clocks = <&sclk>; + clock-names = "refclk"; + marvell,wdt-timer-index = <63>; + }; + }; + +...