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[v3,2/2] dt-bindings: aspeed-i2c: add properties for setting i2c clock duty cycle

Message ID 20220607163703.26355-3-potin.lai.pt@gmail.com
State New
Headers show
Series Add i2c clock duty cycle property for setting minimum persentage of clock high | expand

Commit Message

Potin Lai June 7, 2022, 4:37 p.m. UTC
Introduce a new property for setting a minimum duty cycle for clock high.

* i2c-clk-duty-cycle-min: a minimum percentage of clock high

Signed-off-by: Potin Lai <potin.lai.pt@gmail.com>
---
 Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml | 8 ++++++++
 1 file changed, 8 insertions(+)

Comments

Rob Herring (Arm) June 9, 2022, 8:35 p.m. UTC | #1
On Wed, Jun 08, 2022 at 12:37:03AM +0800, Potin Lai wrote:
> Introduce a new property for setting a minimum duty cycle for clock high.
> 
> * i2c-clk-duty-cycle-min: a minimum percentage of clock high
> 
> Signed-off-by: Potin Lai <potin.lai.pt@gmail.com>
> ---
>  Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml
> index ea643e6c3ef5..af4c49111cc0 100644
> --- a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml
> +++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml
> @@ -49,6 +49,14 @@ properties:
>      description:
>        states that there is another master active on this bus
>  
> +  i2c-clk-duty-cycle-min:

i2c-clk-duty-cycle-high-min-percent

Or maybe 'i2c-clk-high-min-percent' with duty cycle being implied.

> +    $ref: /schemas/types.yaml#/definitions/uint32

With '-percent' you can drop this.

> +    minimum: 1
> +    maximum: 100
> +    default: 50
> +    description:
> +      a minimum percentage of clock high
> +
>  required:
>    - reg
>    - compatible
> -- 
> 2.17.1
> 
>
diff mbox series

Patch

diff --git a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml
index ea643e6c3ef5..af4c49111cc0 100644
--- a/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml
+++ b/Documentation/devicetree/bindings/i2c/aspeed,i2c.yaml
@@ -49,6 +49,14 @@  properties:
     description:
       states that there is another master active on this bus
 
+  i2c-clk-duty-cycle-min:
+    $ref: /schemas/types.yaml#/definitions/uint32
+    minimum: 1
+    maximum: 100
+    default: 50
+    description:
+      a minimum percentage of clock high
+
 required:
   - reg
   - compatible