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SubjectRe: [PATCH 1/2 v11] dt-bindings: watchdog: marvell GTI system watchdog driver
From
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>;
> + };
> + };
> +
> +...

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