linux-kernel - Re: [PATCH v1 2/2] dt-binding: iio: time: add capture-tiecap.yaml

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Date:   Tue, 26 Jul 2022 11:42:02 +0200
From:   Julien Panis <jpanis@...libre.com>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        jic23@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org
Cc:     lars@...afoo.de, linux-iio@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        mranostay@...com
Subject: Re: [PATCH v1 2/2] dt-binding: iio: time: add capture-tiecap.yaml


On 26/07/2022 11:29, Krzysztof Kozlowski wrote:
> On 26/07/2022 09:25, Julien Panis wrote:
>> This commit adds a YAML binding for TI ECAP used in capture operating mode.
>>
>> Signed-off-by: Julien Panis <jpanis@...libre.com>
>> ---
>>   .../bindings/iio/time/capture-tiecap.yaml     | 53 +++++++++++++++++++
>>   1 file changed, 53 insertions(+)
>>   create mode 100644 Documentation/devicetree/bindings/iio/time/capture-tiecap.yaml
>>
>> diff --git a/Documentation/devicetree/bindings/iio/time/capture-tiecap.yaml b/Documentation/devicetree/bindings/iio/time/capture-tiecap.yaml
>> new file mode 100644
>> index 000000000000..4f08e49a8506
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/iio/time/capture-tiecap.yaml
> Use filename based on compatible, so:
> ti,am62-ecap-capture.yaml
>
>> @@ -0,0 +1,53 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/iio/capture-tiecap.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Texas Instruments Enhanced Capture (eCAP) Module
>> +
>> +maintainers:
>> +  - Julien Panis <jpanis@...libre.com>
>> +
>> +description: |
>> +  The eCAP module resources can be used to capture timestamps
>> +  on input signal events (falling/rising edges).
>> +
>> +properties:
>> +  compatible:
>> +    const: ti,am62-ecap-capture
>> +
>> +  reg:
>> +    maxItems: 1
>> +
>> +  interrupts:
>> +    maxItems: 1
>> +
>> +  clocks:
>> +    maxItems: 1
>> +
>> +  clock-names:
>> +    const: fck
>> +
>> +  power-domains:
>> +    maxItems: 1
>> +
>> +required:
>> +  - compatible
>> +  - reg
>> +  - interrupts
>> +  - clocks
>> +  - clock-names
>> +
>> +additionalProperties: false
>> +
>> +examples:
>> +  - |
>> +    ecap0: capture@...00000 { /* eCAP in capture mode on am62x */
>> +        compatible = "ti,am62-ecap-capture";
>> +        reg = <0x00 0x23100000 0x00 0x100>;
>> +        interrupts = <GIC_SPI 113 IRQ_TYPE_EDGE_RISING>;
>> +        power-domains = <&k3_pds 51 TI_SCI_PD_EXCLUSIVE>;
> Does not look like you tested the bindings. Please run `make
> dt_binding_check` (see
> Documentation/devicetree/bindings/writing-schema.rst for instructions).


I did not indeed, sorry. I thought that checkpath also checked binding.

Thank you for your feedback. I'm going to prepare a new version.


>
>> +        clocks = <&k3_clks 51 0>;
>> +        clock-names = "fck";
>> +    };
>
> Best regards,
> Krzysztof