diff mbox series

[1/2,v11] dt-bindings: watchdog: marvell GTI system watchdog driver

Message ID 20230803032523.6242-1-bbhushan2@marvell.com
State New
Headers show
Series [1/2,v11] dt-bindings: watchdog: marvell GTI system watchdog driver | expand

Commit Message

Bharat Bhushan Aug. 3, 2023, 3:25 a.m. UTC
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>
---
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

Comments

Guenter Roeck Aug. 3, 2023, 3:38 a.m. UTC | #1
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 mbox series

Patch

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>;
+        };
+    };
+
+...