Re: [PATCH v3 5/5] dt-bindings: arm: atmel,at91rm9200-sdramc: convert to DT schema

[Akhila YS]

On 26-02-2026 23:42, Conor Dooley wrote:
> On Thu, Feb 26, 2026 at 04:13:37PM +0000, Akhila YS wrote:
>> Convert RAMC SDRAM/DDR controller binding to YAML format.
>>
>> Signed-off-by: Akhila YS <akhilayalmati@xxxxxxxxx>
>> ---
>>  .../bindings/arm/atmel,at91rm9200-sdramc.yaml      | 67 ++++++++++++++++++++++
>>  .../devicetree/bindings/arm/atmel-sysregs.txt      | 20 -------
>>  2 files changed, 67 insertions(+), 20 deletions(-)
>>
>> diff --git a/Documentation/devicetree/bindings/arm/atmel,at91rm9200-sdramc.yaml b/Documentation/devicetree/bindings/arm/atmel,at91rm9200-sdramc.yaml
>> new file mode 100644
>> index 000000000000..1516fc8e09e1
>> --- /dev/null
>> +++ b/Documentation/devicetree/bindings/arm/atmel,at91rm9200-sdramc.yaml
>> @@ -0,0 +1,67 @@
>> +# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
>> +%YAML 1.2
>> +---
>> +$id: http://devicetree.org/schemas/arm/atmel,at91rm9200-sdramc.yaml#
>> +$schema: http://devicetree.org/meta-schemas/core.yaml#
>> +
>> +title: Microchip (Atmel) SDRAM / DDR Controller (RAMC / DDRAMC / UDDRC)
>> +
>> +maintainers:
>> +  - Nicolas Ferre <nicolas.ferre@xxxxxxxxxxxxx>
>> +  - Claudiu Beznea <claudiu.beznea@xxxxxxxxx>
>> +
>> +description:
>> +  The SDRAM/DDR Controller (often called RAMC or DDRAMC) in various
>> +  Atmel/Microchip ARM9 and Cortex-A5/A7 SoCs  manages external
>> +  SDRAM / DDR memory. It is typically exposed as a syscon node for
>> +  register access from other drivers (e.g. for initialization or mode
>> +  configuration). No interrupts or clocks are usually required in the
>> +  binding.
>> +
>> +properties:
>> +  compatible:
>> +    oneOf:
>> +      - items:
>> +          - const: atmel,at91rm9200-sdramc
>> +          - const: syscon
>> +      - items:
>> +          - const: microchip,sama7d65-uddrc
>> +          - const: microchip,sama7g5-uddrc
>> +      - items:
>> +          enum:
> Whoops, sorry for not noticing this earlier, but an items list with one
> entry can be reduced to that one entry. For you here that means that
> "- items enum:" becomes "- enum:".


Hi, i changed patch as per your suggestion, but i found some errors
with  dtbs_check, anyway i sent  a v4 patch.

let me know if any  changes required.

-- 
Best Regards,
Akhila.