Re: [PATCH v3 2/3] dt-bindings: touchscreen: Add HY46XX bindings

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Hello Rob, All,

On 4/6/21 3:24 PM, Rob Herring wrote:
On Fri, 02 Apr 2021 18:16:26 +0200, Giulio Benetti wrote:
This adds device tree bindings for the Hycon HY46XX touchscreen series.

Signed-off-by: Giulio Benetti <giulio.benetti@xxxxxxxxxxxxxxxxxxxxxx>
---
V1->V2:
As suggested by Rob Herring:
* fixed $id: address
* added "hycon," in front of every custom property
* changed all possible property to boolean type
* removed proximity-sensor-switch property since it's not handled in driver
V2->V3:
As suggested by Jonathan Neuschäfer:
* fixed some typo
* fixed description indentation
* improved boolean properties descriptions
* improved hycon,report-speed description
---
  .../input/touchscreen/hycon,hy46xx.yaml       | 120 ++++++++++++++++++
  MAINTAINERS                                   |   6 +
  2 files changed, 126 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.yaml


My bot found errors running 'make dt_binding_check' on your patch:

yamllint warnings/errors:

dtschema/dtc warnings/errors:
Documentation/devicetree/bindings/input/touchscreen/hycon,hy46xx.example.dt.yaml:0:0: /example-0/i2c/hycon-hy4633@1c: failed to match any schema with compatible: ['hycon,hy4633']

See https://patchwork.ozlabs.org/patch/1461797

This check can fail if there are any dependencies. The base for a patch
series is generally the most recent rc1.

If you already ran 'make dt_binding_check' and didn't see the above
error(s), then make sure 'yamllint' is installed and dt-schema is up to
date:

I've just send corrected patches.

Anyway I'd like to understand how to make dt_binding_check works correctly.

I've installed yamllint and 'make dt_binding_check' works but it still doesn't show that error up on compatible string.

yamllint I have is version 1.20.0

pip3 install dtschema --upgrade

I've already tried with that too and dtschema version is:
1.3.8

I've read that dtc must be compiled with YAML output enabled and it seems to be so, since when I issue 'make dt_binding_check' from my file:
hycon,hy46xx.yaml(with compatible string wrong "hycon,hy4633")

these files are generated:
hycon,hy46xx.example.dts
```

/dts-v1/;
/plugin/; // silence any missing phandle references


/{
    compatible = "foo";
    model = "foo";
    interrupt-parent = <&foo>;
    #address-cells = <1>;
    #size-cells = <1>;



    example-0 {
        #address-cells = <1>;
        #size-cells = <1>;

        #include <dt-bindings/gpio/gpio.h>
        #include <dt-bindings/interrupt-controller/arm-gic.h>
        i2c {
          #address-cells = <1>;
          #size-cells = <0>;
          hycon-hy4633@1c {
            compatible = "hycon,hy4633";
            reg = <0x1c>;
            interrupt-parent = <&gpio2>;
            interrupts = <5 IRQ_TYPE_EDGE_FALLING>;
            reset-gpios = <&gpio2 6 GPIO_ACTIVE_LOW>;
          };
        };

    };
};

```

AND

hycon,hy46xx.example.dt.yaml
```
---
- compatible: ["foo"]
  model: ["foo"]
  interrupt-parent: [[!phandle 0xffffffff]]
  '#address-cells': [[0x1]]
  '#size-cells': [[0x1]]
  example-0:
    '#address-cells': [[0x1]]
    '#size-cells': [[0x1]]
    i2c:
      '#address-cells': [[0x1]]
      '#size-cells': [[0x0]]
      hycon-hy4633@1c:
        compatible: ["hycon,hy4633"]
        reg: [[0x1c]]
        interrupt-parent: [[!phandle 0xffffffff]]
        interrupts: [[0x5, 0x2]]
        reset-gpios: [[!phandle 0xffffffff, 0x6, 0x1]]
  __fixups__:
    foo: ["/:interrupt-parent:0"]
gpio2: ["/example-0/i2c/hycon-hy4633@1c:interrupt-parent:0", "/example-0/i2c/hycon-hy4633@1c:reset-gpios:0"]
...
```

So I can't reproduce the problem, can you point me some documentation that I didn't see before?

Thank in advance
Best regards
--
Giulio Benetti
Benetti Engineering sas



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