2024-01-12 09:21:06

by Michal Simek

[permalink] [raw]
Subject: [PATCH v2] dt-bindings: soc: xilinx: Add support for K26 rev2 SOMs

Revision 2 is SW compatible with revision 1 but it is necessary to reflect
it in model and compatible properties which are parsed by user space.
Rev 2 has improved a power on boot reset and MIO34 shutdown glich
improvement done via an additional filter in the GreenPak chip.

Signed-off-by: Michal Simek <[email protected]>
---

Changes in v2:
- Support older combinations

I want to support all versions we created:
All of them:
-rev2, -rev1, -revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"

rev1:
-rev1, -revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"

revB:
-revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"

revA:
-revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"

And also single one are permitted:
-revB, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
-rev1, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
-rev2, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"

I didn't find a way to pretty much all the time force that there must be
both "xlnx,zynqmp-smk-k26", "xlnx,zynqmp" that's why there is only
requested to have xlnx,zynqmp. If you find a way how to encode it please
let me know.

---
.../bindings/soc/xilinx/xilinx.yaml | 32 +++++++++++++------
1 file changed, 22 insertions(+), 10 deletions(-)

diff --git a/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml b/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml
index d4c0fe1fe435..39242efeec47 100644
--- a/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml
+++ b/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml
@@ -117,20 +117,32 @@ properties:
- const: xlnx,zynqmp

- description: Xilinx Kria SOMs
+ additionalItems: true
+ maxItems: 6
+ minItems: 3
items:
- - const: xlnx,zynqmp-sm-k26-rev1
- - const: xlnx,zynqmp-sm-k26-revB
- - const: xlnx,zynqmp-sm-k26-revA
- - const: xlnx,zynqmp-sm-k26
- - const: xlnx,zynqmp
+ - enum:
+ - xlnx,zynqmp-sm-k26-rev2
+ - xlnx,zynqmp-sm-k26-rev1
+ - xlnx,zynqmp-sm-k26-revB
+ - xlnx,zynqmp-sm-k26-revA
+ - xlnx,zynqmp-sm-k26
+ contains:
+ const: xlnx,zynqmp

- description: Xilinx Kria SOMs (starter)
+ additionalItems: true
+ maxItems: 6
+ minItems: 3
items:
- - const: xlnx,zynqmp-smk-k26-rev1
- - const: xlnx,zynqmp-smk-k26-revB
- - const: xlnx,zynqmp-smk-k26-revA
- - const: xlnx,zynqmp-smk-k26
- - const: xlnx,zynqmp
+ - enum:
+ - xlnx,zynqmp-smk-k26-rev2
+ - xlnx,zynqmp-smk-k26-rev1
+ - xlnx,zynqmp-smk-k26-revB
+ - xlnx,zynqmp-smk-k26-revA
+ - xlnx,zynqmp-smk-k26
+ contains:
+ const: xlnx,zynqmp

- description: AMD MicroBlaze V (QEMU)
items:
--
2.36.1



2024-01-16 18:00:50

by Rob Herring

[permalink] [raw]
Subject: Re: [PATCH v2] dt-bindings: soc: xilinx: Add support for K26 rev2 SOMs

On Fri, Jan 12, 2024 at 10:20:29AM +0100, Michal Simek wrote:
> Revision 2 is SW compatible with revision 1 but it is necessary to reflect
> it in model and compatible properties which are parsed by user space.
> Rev 2 has improved a power on boot reset and MIO34 shutdown glich
> improvement done via an additional filter in the GreenPak chip.
>
> Signed-off-by: Michal Simek <[email protected]>
> ---
>
> Changes in v2:
> - Support older combinations
>
> I want to support all versions we created:
> All of them:
> -rev2, -rev1, -revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>
> rev1:
> -rev1, -revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>
> revB:
> -revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>
> revA:
> -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>
> And also single one are permitted:
> -revB, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
> -rev1, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
> -rev2, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>
> I didn't find a way to pretty much all the time force that there must be
> both "xlnx,zynqmp-smk-k26", "xlnx,zynqmp" that's why there is only
> requested to have xlnx,zynqmp. If you find a way how to encode it please
> let me know.
>
> ---
> .../bindings/soc/xilinx/xilinx.yaml | 32 +++++++++++++------
> 1 file changed, 22 insertions(+), 10 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml b/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml
> index d4c0fe1fe435..39242efeec47 100644
> --- a/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml
> +++ b/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml
> @@ -117,20 +117,32 @@ properties:
> - const: xlnx,zynqmp
>
> - description: Xilinx Kria SOMs
> + additionalItems: true
> + maxItems: 6
> + minItems: 3
> items:
> - - const: xlnx,zynqmp-sm-k26-rev1
> - - const: xlnx,zynqmp-sm-k26-revB
> - - const: xlnx,zynqmp-sm-k26-revA
> - - const: xlnx,zynqmp-sm-k26
> - - const: xlnx,zynqmp
> + - enum:
> + - xlnx,zynqmp-sm-k26-rev2
> + - xlnx,zynqmp-sm-k26-rev1
> + - xlnx,zynqmp-sm-k26-revB
> + - xlnx,zynqmp-sm-k26-revA
> + - xlnx,zynqmp-sm-k26
> + contains:
> + const: xlnx,zynqmp

This allows:

xlnx,zynqmp-sm-k26-rev2, foo, xlnx,zynqmp, bar

You need the schema form of 'items' (no '-'). For multiple contains, you
need 'allOf'. Like this:

items:
enum: [ all of them ]
allOf:
- contains:
const: xlnx,zynqmp
- contains:
const: xlnx,zynqmp-sm-k26


This of course has no enforcement of the order. Just no sane way to do
that in json-schema.

Rob

2024-01-16 18:43:11

by Michal Simek

[permalink] [raw]
Subject: Re: [PATCH v2] dt-bindings: soc: xilinx: Add support for K26 rev2 SOMs



On 1/16/24 19:00, Rob Herring wrote:
> On Fri, Jan 12, 2024 at 10:20:29AM +0100, Michal Simek wrote:
>> Revision 2 is SW compatible with revision 1 but it is necessary to reflect
>> it in model and compatible properties which are parsed by user space.
>> Rev 2 has improved a power on boot reset and MIO34 shutdown glich
>> improvement done via an additional filter in the GreenPak chip.
>>
>> Signed-off-by: Michal Simek <[email protected]>
>> ---
>>
>> Changes in v2:
>> - Support older combinations
>>
>> I want to support all versions we created:
>> All of them:
>> -rev2, -rev1, -revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>>
>> rev1:
>> -rev1, -revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>>
>> revB:
>> -revB, -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>>
>> revA:
>> -revA, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>>
>> And also single one are permitted:
>> -revB, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>> -rev1, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>> -rev2, "xlnx,zynqmp-smk-k26", "xlnx,zynqmp"
>>
>> I didn't find a way to pretty much all the time force that there must be
>> both "xlnx,zynqmp-smk-k26", "xlnx,zynqmp" that's why there is only
>> requested to have xlnx,zynqmp. If you find a way how to encode it please
>> let me know.
>>
>> ---
>> .../bindings/soc/xilinx/xilinx.yaml | 32 +++++++++++++------
>> 1 file changed, 22 insertions(+), 10 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml b/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml
>> index d4c0fe1fe435..39242efeec47 100644
>> --- a/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml
>> +++ b/Documentation/devicetree/bindings/soc/xilinx/xilinx.yaml
>> @@ -117,20 +117,32 @@ properties:
>> - const: xlnx,zynqmp
>>
>> - description: Xilinx Kria SOMs
>> + additionalItems: true
>> + maxItems: 6
>> + minItems: 3
>> items:
>> - - const: xlnx,zynqmp-sm-k26-rev1
>> - - const: xlnx,zynqmp-sm-k26-revB
>> - - const: xlnx,zynqmp-sm-k26-revA
>> - - const: xlnx,zynqmp-sm-k26
>> - - const: xlnx,zynqmp
>> + - enum:
>> + - xlnx,zynqmp-sm-k26-rev2
>> + - xlnx,zynqmp-sm-k26-rev1
>> + - xlnx,zynqmp-sm-k26-revB
>> + - xlnx,zynqmp-sm-k26-revA
>> + - xlnx,zynqmp-sm-k26
>> + contains:
>> + const: xlnx,zynqmp
>
> This allows:
>
> xlnx,zynqmp-sm-k26-rev2, foo, xlnx,zynqmp, bar
>
> You need the schema form of 'items' (no '-'). For multiple contains, you
> need 'allOf'. Like this:
>
> items:
> enum: [ all of them ]
> allOf:
> - contains:
> const: xlnx,zynqmp
> - contains:
> const: xlnx,zynqmp-sm-k26
>
>
> This of course has no enforcement of the order. Just no sane way to do
> that in json-schema.

Works for me. If below is fine I will send v3 version.

- description: Xilinx Kria SOMs
minItems: 3
items:
enum:
- xlnx,zynqmp-sm-k26-rev2
- xlnx,zynqmp-sm-k26-rev1
- xlnx,zynqmp-sm-k26-revB
- xlnx,zynqmp-sm-k26-revA
- xlnx,zynqmp-sm-k26
- xlnx,zynqmp
allOf:
- contains:
const: xlnx,zynqmp
- contains:
const: xlnx,zynqmp-sm-k26

Thanks,
Michal