[PATCH v2 04/12] dt-bindings: nvmem: microchip,sama7g5-otpc: add sama7d65 and dt node example

Conor Dooley conor at kernel.org
Tue Jun 23 10:28:10 PDT 2026


On Tue, Jun 23, 2026 at 04:29:36PM +0530, Varshini Rajendran wrote:
> Add support for sama7d65 and a dt node example that shows tag can be used
> to reference a packet stored in the OTP memory.
> 
> Signed-off-by: Varshini Rajendran <varshini.rajendran at microchip.com>
> ---
>  .../nvmem/microchip,sama7g5-otpc.yaml         | 28 +++++++++++++++++--
>  1 file changed, 25 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/nvmem/microchip,sama7g5-otpc.yaml b/Documentation/devicetree/bindings/nvmem/microchip,sama7g5-otpc.yaml
> index cc25f2927682..3cc16b0044a6 100644
> --- a/Documentation/devicetree/bindings/nvmem/microchip,sama7g5-otpc.yaml
> +++ b/Documentation/devicetree/bindings/nvmem/microchip,sama7g5-otpc.yaml
> @@ -20,9 +20,15 @@ allOf:
>  
>  properties:
>    compatible:
> -    items:
> -      - const: microchip,sama7g5-otpc
> -      - const: syscon
> +    oneOf:
> +      - items:
> +          - const: microchip,sama7g5-otpc
> +          - const: syscon
> +      - items:
> +          - enum:
> +              - microchip,sama7d65-otpc
> +          - const: microchip,sama7g5-otpc
> +          - const: syscon
>  
>    reg:
>      maxItems: 1
> @@ -48,4 +54,20 @@ examples:
>          };
>      };
>  
> +  - |
> +    otp_controller: efuse at e8c00000 {

Drop the unused label since you have to respin the series.
With it gone
Acked-by: Conor Dooley <conor.dooley at microchip.com>
pw-bot: not-applicable

Cheers,
Conor.

> +        compatible = "microchip,sama7d65-otpc", "microchip,sama7g5-otpc", "syscon";
> +        reg = <0xe8c00000 0x100>;
> +
> +        nvmem-layout {
> +            compatible = "fixed-layout";
> +            #address-cells = <1>;
> +            #size-cells = <1>;
> +
> +            temp_calib: calib at 41435354 {
> +                reg = <0x41435354 0x2c>;    /* Temp calib data packet TAG */
> +            };
> +        };
> +    };
> +
>  ...
> -- 
> 2.34.1
> 
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