[PATCH 15/18] dt-bindings: usb: meson-g12a-usb: Discard FL-adj property

[PATCH 15/18] dt-bindings: usb: meson-g12a-usb: Discard FL-adj property

[Serge Semin]

An empty snps,quirk-frame-length-adjustment won't cause any change
performed by the driver. Moreover the DT schema validation will fail,
since it expects the property being assigned with some value. So just
discard the property declaration then from the example.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>

---

Note the same problem is in the DT source file
arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi .
---
 .../devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml     | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
index 5b04a7dfa018..88184d7e26cc 100644
--- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
+++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
@@ -209,6 +209,5 @@ examples:
               interrupts = <30>;
               dr_mode = "host";
               snps,dis_u2_susphy_quirk;
-              snps,quirk-frame-length-adjustment;
           };
     };
-- 
2.27.0


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[PATCH 16/18] dt-bindings: usb: meson-g12a-usb: Validate DWC2/DWC3 sub-nodes

[Serge Semin]

Amlogic G12A USB DT sub-nodes are supposed to be compatible with the
generic DWC USB2 and USB3 devices. Since now we've got DT schemas for
both of the later IP cores let's make sure that the Amlogic G12A USB
DT nodes are fully evaluated including the DWC sub-nodes.

Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
---
 .../bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
index 88184d7e26cc..3e8ac0ff90de 100644
--- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
+++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
@@ -78,7 +78,20 @@ properties:
 
 patternProperties:
   "^usb@[0-9a-f]+$":
-    type: object
+    allOf:
+      - if:
+          properties:
+            compatible:
+              contains:
+                const: snps,dwc2
+        then:
+          $ref: dwc2.yaml#
+      - if:
+          properties:
+            compatible:
+              const: snps,dwc3
+        then:
+          $ref: snps,dwc3.yaml#
 
 additionalProperties: false
 
-- 
2.27.0


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Re: [PATCH 16/18] dt-bindings: usb: meson-g12a-usb: Validate DWC2/DWC3 sub-nodes

[Neil Armstrong]

On 11/10/2020 00:41, Serge Semin wrote:
> Amlogic G12A USB DT sub-nodes are supposed to be compatible with the
> generic DWC USB2 and USB3 devices. Since now we've got DT schemas for
> both of the later IP cores let's make sure that the Amlogic G12A USB
> DT nodes are fully evaluated including the DWC sub-nodes.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> ---
>  .../bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml | 15 ++++++++++++++-
>  1 file changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> index 88184d7e26cc..3e8ac0ff90de 100644
> --- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> +++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> @@ -78,7 +78,20 @@ properties:
>  
>  patternProperties:
>    "^usb@[0-9a-f]+$":
> -    type: object
> +    allOf:
> +      - if:
> +          properties:
> +            compatible:
> +              contains:
> +                const: snps,dwc2
> +        then:
> +          $ref: dwc2.yaml#
> +      - if:
> +          properties:
> +            compatible:
> +              const: snps,dwc3
> +        then:
> +          $ref: snps,dwc3.yaml#
>  
>  additionalProperties: false
>  
> 

Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>

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Re: [PATCH 15/18] dt-bindings: usb: meson-g12a-usb: Discard FL-adj property

[Neil Armstrong]

Hi,

On 11/10/2020 00:41, Serge Semin wrote:
> An empty snps,quirk-frame-length-adjustment won't cause any change
> performed by the driver. Moreover the DT schema validation will fail,
> since it expects the property being assigned with some value. So just
> discard the property declaration then from the example.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> 
> ---
> 
> Note the same problem is in the DT source file
> arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi .
> ---
>  .../devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml     | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> index 5b04a7dfa018..88184d7e26cc 100644
> --- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> +++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> @@ -209,6 +209,5 @@ examples:
>                interrupts = <30>;
>                dr_mode = "host";
>                snps,dis_u2_susphy_quirk;
> -              snps,quirk-frame-length-adjustment;
>            };
>      };
> 

Thanks for reporting this, actually the fladj must be 0x20 on this hw,
but we do set this on the PHY side, so we can let the dwc3 side 0 here.

Acked-by: Neil Armstrong <narmstrong@baylibre.com>

Neil


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Re: [PATCH 15/18] dt-bindings: usb: meson-g12a-usb: Discard FL-adj property

[Serge Semin]

On Mon, Oct 12, 2020 at 09:54:25AM +0200, Neil Armstrong wrote:
> Hi,
> 
> On 11/10/2020 00:41, Serge Semin wrote:
> > An empty snps,quirk-frame-length-adjustment won't cause any change
> > performed by the driver. Moreover the DT schema validation will fail,
> > since it expects the property being assigned with some value. So just
> > discard the property declaration then from the example.
> > 
> > Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> > 
> > ---
> > 
> > Note the same problem is in the DT source file
> > arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi .
> > ---
> >  .../devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml     | 1 -
> >  1 file changed, 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> > index 5b04a7dfa018..88184d7e26cc 100644
> > --- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> > +++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> > @@ -209,6 +209,5 @@ examples:
> >                interrupts = <30>;
> >                dr_mode = "host";
> >                snps,dis_u2_susphy_quirk;
> > -              snps,quirk-frame-length-adjustment;
> >            };
> >      };
> > 
> 

> Thanks for reporting this, actually the fladj must be 0x20 on this hw,
> but we do set this on the PHY side, so we can let the dwc3 side 0 here.

I can convert this patch to initializing the "snps,quirk-frame-length-adjustment"
property with 0x20 value instead. Since most likely I'll have to send a v2/v3/etc
of this patchset, that modification won't be too much work to do. What do you think?

Anyway please note, that I've fixed the improper property usage in the DT schema
example only. "snps,quirk-frame-length-adjustment" defined as boolean still
persists in the DTS file: arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi .
So if you ever try to validate that dts file with "make dtbs_check" scenario, it
will fail.

-Sergey

> 
> Acked-by: Neil Armstrong <narmstrong@baylibre.com>
> 
> Neil
> 

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Re: [PATCH 15/18] dt-bindings: usb: meson-g12a-usb: Discard FL-adj property

[Neil Armstrong]

Hi,

On 12/10/2020 16:22, Serge Semin wrote:
> On Mon, Oct 12, 2020 at 09:54:25AM +0200, Neil Armstrong wrote:
>> Hi,
>>
>> On 11/10/2020 00:41, Serge Semin wrote:
>>> An empty snps,quirk-frame-length-adjustment won't cause any change
>>> performed by the driver. Moreover the DT schema validation will fail,
>>> since it expects the property being assigned with some value. So just
>>> discard the property declaration then from the example.
>>>
>>> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
>>>
>>> ---
>>>
>>> Note the same problem is in the DT source file
>>> arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi .
>>> ---
>>>  .../devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml     | 1 -
>>>  1 file changed, 1 deletion(-)
>>>
>>> diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
>>> index 5b04a7dfa018..88184d7e26cc 100644
>>> --- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
>>> +++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
>>> @@ -209,6 +209,5 @@ examples:
>>>                interrupts = <30>;
>>>                dr_mode = "host";
>>>                snps,dis_u2_susphy_quirk;
>>> -              snps,quirk-frame-length-adjustment;
>>>            };
>>>      };
>>>
>>
> 
>> Thanks for reporting this, actually the fladj must be 0x20 on this hw,
>> but we do set this on the PHY side, so we can let the dwc3 side 0 here.
> 
> I can convert this patch to initializing the "snps,quirk-frame-length-adjustment"
> property with 0x20 value instead. Since most likely I'll have to send a v2/v3/etc
> of this patchset, that modification won't be too much work to do. What do you think?

Yes, do this please, anyway it's only an example so it's ok.

> 
> Anyway please note, that I've fixed the improper property usage in the DT schema
> example only. "snps,quirk-frame-length-adjustment" defined as boolean still
> persists in the DTS file: arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi .
> So if you ever try to validate that dts file with "make dtbs_check" scenario, it
> will fail.

Yes, I'll push a fix to pass the dtbs_check when this is merged.

Thanks,
Neil

> 
> -Sergey
> 
>>
>> Acked-by: Neil Armstrong <narmstrong@baylibre.com>
>>
>> Neil
>>


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Re: [PATCH 15/18] dt-bindings: usb: meson-g12a-usb: Discard FL-adj property

[Serge Semin]

On Mon, Oct 12, 2020 at 05:01:43PM +0200, Neil Armstrong wrote:
> Hi,
> 
> On 12/10/2020 16:22, Serge Semin wrote:
> > On Mon, Oct 12, 2020 at 09:54:25AM +0200, Neil Armstrong wrote:
> >> Hi,
> >>
> >> On 11/10/2020 00:41, Serge Semin wrote:
> >>> An empty snps,quirk-frame-length-adjustment won't cause any change
> >>> performed by the driver. Moreover the DT schema validation will fail,
> >>> since it expects the property being assigned with some value. So just
> >>> discard the property declaration then from the example.
> >>>
> >>> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> >>>
> >>> ---
> >>>
> >>> Note the same problem is in the DT source file
> >>> arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi .
> >>> ---
> >>>  .../devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml     | 1 -
> >>>  1 file changed, 1 deletion(-)
> >>>
> >>> diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> >>> index 5b04a7dfa018..88184d7e26cc 100644
> >>> --- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> >>> +++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> >>> @@ -209,6 +209,5 @@ examples:
> >>>                interrupts = <30>;
> >>>                dr_mode = "host";
> >>>                snps,dis_u2_susphy_quirk;
> >>> -              snps,quirk-frame-length-adjustment;
> >>>            };
> >>>      };
> >>>
> >>
> > 
> >> Thanks for reporting this, actually the fladj must be 0x20 on this hw,
> >> but we do set this on the PHY side, so we can let the dwc3 side 0 here.
> > 
> > I can convert this patch to initializing the "snps,quirk-frame-length-adjustment"
> > property with 0x20 value instead. Since most likely I'll have to send a v2/v3/etc
> > of this patchset, that modification won't be too much work to do. What do you think?
> 

> Yes, do this please,

Ok. Shall I preserve your Acked-by tag in the new patch or you'd prefer to
review it first?

> anyway it's only an example so it's ok.

Actually examples are also validated by "make dt_binding_check". That's why I
had to fix the amlogic,meson-g12a-usb-ctrl example for at least so the new
snps,dwc3.yaml DT schema wouldn't break that full DT bindings
validation procedure.)

-Sergey

> 
> > 
> > Anyway please note, that I've fixed the improper property usage in the DT schema
> > example only. "snps,quirk-frame-length-adjustment" defined as boolean still
> > persists in the DTS file: arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi .
> > So if you ever try to validate that dts file with "make dtbs_check" scenario, it
> > will fail.
> 
> Yes, I'll push a fix to pass the dtbs_check when this is merged.
> 
> Thanks,
> Neil
> 
> > 
> > -Sergey
> > 
> >>
> >> Acked-by: Neil Armstrong <narmstrong@baylibre.com>
> >>
> >> Neil
> >>
> 

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Re: [PATCH 15/18] dt-bindings: usb: meson-g12a-usb: Discard FL-adj property

[Neil Armstrong]

On 12/10/2020 17:13, Serge Semin wrote:
> On Mon, Oct 12, 2020 at 05:01:43PM +0200, Neil Armstrong wrote:
>> Hi,
>>
>> On 12/10/2020 16:22, Serge Semin wrote:
>>> On Mon, Oct 12, 2020 at 09:54:25AM +0200, Neil Armstrong wrote:
>>>> Hi,
>>>>
>>>> On 11/10/2020 00:41, Serge Semin wrote:
>>>>> An empty snps,quirk-frame-length-adjustment won't cause any change
>>>>> performed by the driver. Moreover the DT schema validation will fail,
>>>>> since it expects the property being assigned with some value. So just
>>>>> discard the property declaration then from the example.
>>>>>
>>>>> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
>>>>>
>>>>> ---
>>>>>
>>>>> Note the same problem is in the DT source file
>>>>> arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi .
>>>>> ---
>>>>>  .../devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml     | 1 -
>>>>>  1 file changed, 1 deletion(-)
>>>>>
>>>>> diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
>>>>> index 5b04a7dfa018..88184d7e26cc 100644
>>>>> --- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
>>>>> +++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
>>>>> @@ -209,6 +209,5 @@ examples:
>>>>>                interrupts = <30>;
>>>>>                dr_mode = "host";
>>>>>                snps,dis_u2_susphy_quirk;
>>>>> -              snps,quirk-frame-length-adjustment;
>>>>>            };
>>>>>      };
>>>>>
>>>>
>>>
>>>> Thanks for reporting this, actually the fladj must be 0x20 on this hw,
>>>> but we do set this on the PHY side, so we can let the dwc3 side 0 here.
>>>
>>> I can convert this patch to initializing the "snps,quirk-frame-length-adjustment"
>>> property with 0x20 value instead. Since most likely I'll have to send a v2/v3/etc
>>> of this patchset, that modification won't be too much work to do. What do you think?
>>
> 
>> Yes, do this please,
> 
> Ok. Shall I preserve your Acked-by tag in the new patch or you'd prefer to
> review it first?

Yes, preserve it,
Thanks,
Neil

>> anyway it's only an example so it's ok.
> 
> Actually examples are also validated by "make dt_binding_check". That's why I
> had to fix the amlogic,meson-g12a-usb-ctrl example for at least so the new
> snps,dwc3.yaml DT schema wouldn't break that full DT bindings
> validation procedure.)
> 
> -Sergey
> 
>>
>>>
>>> Anyway please note, that I've fixed the improper property usage in the DT schema
>>> example only. "snps,quirk-frame-length-adjustment" defined as boolean still
>>> persists in the DTS file: arch/arm64/boot/dts/amlogic/meson-g12-common.dtsi .
>>> So if you ever try to validate that dts file with "make dtbs_check" scenario, it
>>> will fail.
>>
>> Yes, I'll push a fix to pass the dtbs_check when this is merged.
>>
>> Thanks,
>> Neil
>>
>>>
>>> -Sergey
>>>
>>>>
>>>> Acked-by: Neil Armstrong <narmstrong@baylibre.com>
>>>>
>>>> Neil
>>>>
>>


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Re: [PATCH 16/18] dt-bindings: usb: meson-g12a-usb: Validate DWC2/DWC3 sub-nodes

[Rob Herring]

On Sun, Oct 11, 2020 at 01:41:19AM +0300, Serge Semin wrote:
> Amlogic G12A USB DT sub-nodes are supposed to be compatible with the
> generic DWC USB2 and USB3 devices. Since now we've got DT schemas for
> both of the later IP cores let's make sure that the Amlogic G12A USB
> DT nodes are fully evaluated including the DWC sub-nodes.
> 
> Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> ---
>  .../bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml | 15 ++++++++++++++-
>  1 file changed, 14 insertions(+), 1 deletion(-)
> 
> diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> index 88184d7e26cc..3e8ac0ff90de 100644
> --- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> +++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> @@ -78,7 +78,20 @@ properties:
>  
>  patternProperties:
>    "^usb@[0-9a-f]+$":
> -    type: object
> +    allOf:
> +      - if:
> +          properties:
> +            compatible:
> +              contains:
> +                const: snps,dwc2
> +        then:
> +          $ref: dwc2.yaml#
> +      - if:
> +          properties:
> +            compatible:
> +              const: snps,dwc3
> +        then:
> +          $ref: snps,dwc3.yaml#

It should be enough to do just:

oneOf:
  - $ref: dwc2.yaml#
  - $ref: snps,dwc3.yaml#

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Re: [PATCH 16/18] dt-bindings: usb: meson-g12a-usb: Validate DWC2/DWC3 sub-nodes

[Serge Semin]

On Tue, Oct 13, 2020 at 07:42:03AM -0500, Rob Herring wrote:
> On Sun, Oct 11, 2020 at 01:41:19AM +0300, Serge Semin wrote:
> > Amlogic G12A USB DT sub-nodes are supposed to be compatible with the
> > generic DWC USB2 and USB3 devices. Since now we've got DT schemas for
> > both of the later IP cores let's make sure that the Amlogic G12A USB
> > DT nodes are fully evaluated including the DWC sub-nodes.
> > 
> > Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
> > ---
> >  .../bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml | 15 ++++++++++++++-
> >  1 file changed, 14 insertions(+), 1 deletion(-)
> > 
> > diff --git a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> > index 88184d7e26cc..3e8ac0ff90de 100644
> > --- a/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> > +++ b/Documentation/devicetree/bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml
> > @@ -78,7 +78,20 @@ properties:
> >  
> >  patternProperties:
> >    "^usb@[0-9a-f]+$":
> > -    type: object
> > +    allOf:
> > +      - if:
> > +          properties:
> > +            compatible:
> > +              contains:
> > +                const: snps,dwc2
> > +        then:
> > +          $ref: dwc2.yaml#
> > +      - if:
> > +          properties:
> > +            compatible:
> > +              const: snps,dwc3
> > +        then:
> > +          $ref: snps,dwc3.yaml#
> 

> It should be enough to do just:
> 
> oneOf:
>   - $ref: dwc2.yaml#
>   - $ref: snps,dwc3.yaml#

Ah, good point! Thanks.

-Sergey


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