Re: [PATCH] dt-bindings: watchdog: alphascale-asm9260: convert to DT schema

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On Tue, Apr 04, 2023 at 02:21:36AM +0000, Om Parikh wrote:
> Makes alphascale-asm9260 dt bindings adhere to the dt json-schema
> by replacing txt file with yaml file.
> 
> Signed-off-by: Om Parikh <hack3r-0m@xxxxxxxxx>
> ---
>  .../watchdog/alphascale,asm9260-wdt.yaml      | 73 +++++++++++++++++++
>  .../bindings/watchdog/alphascale-asm9260.txt  | 35 ---------
>  2 files changed, 73 insertions(+), 35 deletions(-)
>  create mode 100644 Documentation/devicetree/bindings/watchdog/alphascale,asm9260-wdt.yaml
>  delete mode 100644 Documentation/devicetree/bindings/watchdog/alphascale-asm9260.txt
> 
> diff --git a/Documentation/devicetree/bindings/watchdog/alphascale,asm9260-wdt.yaml b/Documentation/devicetree/bindings/watchdog/alphascale,asm9260-wdt.yaml
> new file mode 100644
> index 000000000000..ceee5f086e4a
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/watchdog/alphascale,asm9260-wdt.yaml
> @@ -0,0 +1,73 @@
> +# SPDX-License-Identifier: GPL-2.0-only OR BSD-2-Clause
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/watchdog/alphascale,asm9260-wdt.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Alphascale asm9260 Watchdog timer
> +
> +allOf:
> +  - $ref: watchdog.yaml#
> +
> +maintainers:
> +  - Oleksij Rempel <linux@xxxxxxxxxxxxxxxx>
> +  - Olof Johansson <olof@xxxxxxxxx>

I'm not sure how you came up with Olof for this, but you should drop 
him.

> +
> +properties:
> +  compatible:
> +    enum:
> +      - alphascale,asm9260-wdt

const: alphascale,asm9260-wdt

> +
> +  reg:
> +    maxItems: 1
> +
> +  clocks:
> +    items:
> +      - description: source clock, used for tick counter
> +      - description: ahb gate
> +
> +  clock-names:
> +    items:
> +      - const: mod
> +      - const: ahb
> +
> +  interrupts:
> +    maxItems: 1
> +
> +  resets:
> +    items:
> +      - description: phandle pointing to the system reset controller with line
> +                     index for the watchdog.

Not really a useful description. Just 'maxItems: 1' is fine.

> +
> +  reset-names:
> +    items:
> +      - const: wdt_rst
> +
> +  timeout-sec: true
> +
> +  alphascale,mode:
> +    description: to specify the reset mode of operation
> +    $ref: /schemas/types.yaml#/definitions/string
> +    enum: [hw, sw, debug]
> +
> +required:
> +  - compatible
> +  - reg
> +  - clocks
> +  - clock-names
> +  - interrupts
> +
> +unevaluatedProperties: false
> +
> +examples:
> +  - |
> +    #include <dt-bindings/clock/alphascale,asm9260.h>
> +    watchdog0: watchdog@80048000 {
> +      compatible = "alphascale,asm9260-wdt";
> +      reg = <0x80048000 0x10>;
> +      clocks = <&acc CLKID_SYS_WDT>, <&acc CLKID_AHB_WDT>;
> +      clock-names = "mod", "ahb";
> +      interrupts = <55>;
> +      timeout-sec = <30>;
> +      alphascale,mode = "hw";
> +    };
> diff --git a/Documentation/devicetree/bindings/watchdog/alphascale-asm9260.txt b/Documentation/devicetree/bindings/watchdog/alphascale-asm9260.txt
> deleted file mode 100644
> index 75b265a04047..000000000000
> --- a/Documentation/devicetree/bindings/watchdog/alphascale-asm9260.txt
> +++ /dev/null
> @@ -1,35 +0,0 @@
> -Alphascale asm9260 Watchdog timer
> -
> -Required properties:
> -
> -- compatible : should be "alphascale,asm9260-wdt".
> -- reg : Specifies base physical address and size of the registers.
> -- clocks : the clocks feeding the watchdog timer. See clock-bindings.txt
> -- clock-names : should be set to
> -	"mod" - source for tick counter.
> -	"ahb" - ahb gate.
> -- resets : phandle pointing to the system reset controller with
> -	line index for the watchdog.
> -- reset-names : should be set to "wdt_rst".
> -
> -Optional properties:
> -- timeout-sec : shall contain the default watchdog timeout in seconds,
> -	if unset, the default timeout is 30 seconds.
> -- alphascale,mode : three modes are supported
> -	"hw" - hw reset (default).
> -	"sw" - sw reset.
> -	"debug" - no action is taken.
> -
> -Example:
> -
> -watchdog0: watchdog@80048000 {
> -	compatible = "alphascale,asm9260-wdt";
> -	reg = <0x80048000 0x10>;
> -	clocks = <&acc CLKID_SYS_WDT>, <&acc CLKID_AHB_WDT>;
> -	clock-names = "mod", "ahb";
> -	interrupts = <55>;
> -	resets = <&rst WDT_RESET>;
> -	reset-names = "wdt_rst";
> -	timeout-sec = <30>;
> -	alphascale,mode = "hw";
> -};
> -- 
> 2.40.0
> 
> 



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