Re: [PATCH 1/1] dt-bindings: rtc: Convert rtc-fsl-ftm-alarm.txt to yaml format

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On 20/05/2024 23:46, Frank Li wrote:
> Convert dt-binding doc "rtc-fsl-ftm-alarm.txt" to yaml format.
> 
> Change example's reg to 32bit address and length.
> Remove unrelated rcpm@1e34040 in example.
> 
> Signed-off-by: Frank Li <Frank.Li@xxxxxxx>
> ---
> 
> Notes:
>     make dt_binding_check DT_SCHEMA_FILES=rtc-fsl-ftm-alarm.yaml
>       SCHEMA  Documentation/devicetree/bindings/processed-schema.json
>       CHKDT   Documentation/devicetree/bindings
>       LINT    Documentation/devicetree/bindings
>       DTEX    Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.example.dts
>       DTC_CHK Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.example.dtb
> 
>  .../bindings/rtc/rtc-fsl-ftm-alarm.txt        | 36 -----------
>  .../bindings/rtc/rtc-fsl-ftm-alarm.yaml       | 61 +++++++++++++++++++
>  2 files changed, 61 insertions(+), 36 deletions(-)
>  delete mode 100644 Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt
>  create mode 100644 Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.yaml
> 
> diff --git a/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt
> deleted file mode 100644
> index fffac74999da6..0000000000000
> --- a/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.txt
> +++ /dev/null
> @@ -1,36 +0,0 @@
> -Freescale FlexTimer Module (FTM) Alarm
> -
> -Required properties:
> -- compatible : Should be "fsl,<chip>-ftm-alarm", the
> -	       supported chips include
> -	       "fsl,ls1012a-ftm-alarm"
> -	       "fsl,ls1021a-ftm-alarm"
> -	       "fsl,ls1028a-ftm-alarm"
> -	       "fsl,ls1043a-ftm-alarm"
> -	       "fsl,ls1046a-ftm-alarm"
> -	       "fsl,ls1088a-ftm-alarm"
> -	       "fsl,ls208xa-ftm-alarm"
> -	       "fsl,lx2160a-ftm-alarm"
> -- reg : Specifies base physical address and size of the register sets for the
> -  FlexTimer Module.
> -- interrupts : Should be the FlexTimer Module interrupt.
> -- fsl,rcpm-wakeup property and rcpm node : Please refer
> -	Documentation/devicetree/bindings/soc/fsl/rcpm.txt
> -
> -Optional properties:
> -- big-endian: If the host controller is big-endian mode, specify this property.
> -  The default endian mode is little-endian.
> -
> -Example:
> -rcpm: rcpm@1e34040 {
> -	compatible = "fsl,ls1088a-rcpm", "fsl,qoriq-rcpm-2.1+";
> -	reg = <0x0 0x1e34040 0x0 0x18>;
> -	#fsl,rcpm-wakeup-cells = <6>;
> -};
> -
> -ftm_alarm0: timer@2800000 {
> -	compatible = "fsl,ls1088a-ftm-alarm";
> -	reg = <0x0 0x2800000 0x0 0x10000>;
> -	fsl,rcpm-wakeup = <&rcpm 0x0 0x0 0x0 0x0 0x4000 0x0>;
> -	interrupts = <0 44 4>;
> -};
> diff --git a/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.yaml b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.yaml
> new file mode 100644
> index 0000000000000..69b44e9920033
> --- /dev/null
> +++ b/Documentation/devicetree/bindings/rtc/rtc-fsl-ftm-alarm.yaml

fsl,ls-ftm-alarm.yaml

or

fsl,ls1012a-ftm-alarm.yaml

> @@ -0,0 +1,61 @@
> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
> +%YAML 1.2
> +---
> +$id: http://devicetree.org/schemas/rtc/rtc-fsl-ftm-alarm.yaml#
> +$schema: http://devicetree.org/meta-schemas/core.yaml#
> +
> +title: Freescale FlexTimer Module (FTM) Alarm
> +
> +maintainers:
> +  - Frank Li <Frank.Li@xxxxxxx>
> +
> +properties:
> +  compatible:
> +    enum:
> +      - fsl,ls1012a-ftm-alarm
> +      - fsl,ls1021a-ftm-alarm
> +      - fsl,ls1028a-ftm-alarm
> +      - fsl,ls1043a-ftm-alarm
> +      - fsl,ls1046a-ftm-alarm
> +      - fsl,ls1088a-ftm-alarm
> +      - fsl,ls208xa-ftm-alarm
> +      - fsl,lx2160a-ftm-alarm
> +
> +  reg:
> +    description:
> +      Specifies base physical address and size of the register sets for the
> +      FlexTimer Module.

Drop description, redundant.

> +    maxItems: 1
> +
> +  interrupts:
> +    description: Should be the FlexTimer Module interrupt.

Drop description, redundant.


> +    maxItems: 1
> +
> +  fsl,rcpm-wakeup:
> +    $ref: /schemas/types.yaml#/definitions/phandle-array

Please describe the items (see syscon-like phandles).

> +    description:
> +      phandle to rcpm node, Please refer
> +      documentation/devicetree/bindings/soc/fsl/rcpm.txt
> +
> +  big-endian:
> +    $ref: /schemas/types.yaml#/definitions/flag
> +    description:
> +      If the host controller is big-endian mode, specify this property.
> +      The default endian mode is little-endian.
> +
> +required:
> +  - compatible
> +  - reg
> +  - interrupts
> +  - fsl,rcpm-wakeup
> +

Missing allOf with ref to rtc.yaml.

> +unevaluatedProperties: false

becauase otherwise above does not make much sense... unless this is not
a RTC?

> +
> +examples:
> +  - |
> +    timer@2800000 {

timer or rtc?

> +        compatible = "fsl,ls1088a-ftm-alarm";
> +        reg = <0x2800000 0x10000>;
> +        fsl,rcpm-wakeup = <&rcpm 0x0 0x0 0x0 0x0 0x4000 0x0>;
> +        interrupts = <0 44 4>;

Include proper header and use defines for GIC and flags.

> +    };

Best regards,
Krzysztof





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