The I2C controller requires a reset to ensure it starts from a clean state.

Add the 'resets' property to support this hardware requirement.

Signed-off-by: Encrow Thorne <jyc0019@gmail.com>
---
 Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
index b7220fff2235..1290106e28e6 100644
--- a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
@@ -32,6 +32,9 @@ properties:
       - const: func
       - const: bus
 
+  resets:
+    maxItems: 1
+
   clock-frequency:
     description: |
       K1 support three different modes which running different frequencies

-- 
2.25.1

On 19/12/2025 08:42, Encrow Thorne wrote:
> The I2C controller requires a reset to ensure it starts from a clean state.
> 
> Add the 'resets' property to support this hardware requirement.
> 
> Signed-off-by: Encrow Thorne <jyc0019@gmail.com>
> ---
>  Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
> index b7220fff2235..1290106e28e6 100644
> --- a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
> +++ b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
> @@ -32,6 +32,9 @@ properties:
>        - const: func
>        - const: bus
>  
> +  resets:
> +    maxItems: 1
> +

Still between other clock-related properties. You already got such
comment...

>    clock-frequency:
>      description: |
>        K1 support three different modes which running different frequencies
> 


Best regards,
Krzysztof

On Fri, Dec 19, 2025 at 09:03:14AM +0100, Krzysztof Kozlowski wrote:
> On 19/12/2025 08:42, Encrow Thorne wrote:
> > The I2C controller requires a reset to ensure it starts from a clean state.
> > 
> > Add the 'resets' property to support this hardware requirement.
> > 
> > Signed-off-by: Encrow Thorne <jyc0019@gmail.com>
> > ---
> >  Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml | 3 +++
> >  1 file changed, 3 insertions(+)
> > 
> > diff --git a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
> > index b7220fff2235..1290106e28e6 100644
> > --- a/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
> > +++ b/Documentation/devicetree/bindings/i2c/spacemit,k1-i2c.yaml
> > @@ -32,6 +32,9 @@ properties:
> >        - const: func
> >        - const: bus
> >  
> > +  resets:
> > +    maxItems: 1
> > +
> 
> Still between other clock-related properties. You already got such
> comment...
Please replace it below clock-frequency.
With this fix, you can add my tag:

Reviewed-by: Troy Mitchell <troy.mitchell@linux.spacemit.com>
> 
> >    clock-frequency:
> >      description: |
> >        K1 support three different modes which running different frequencies
> > 
> 
> 
> Best regards,
> Krzysztof
>