[PATCH V2 15/18] dt-bindings: i2c: imx-lpi2c: Add dma configuration example
Rob Herring
robh at kernel.org
Fri Apr 9 17:33:13 BST 2021
On Tue, Apr 06, 2021 at 07:33:03PM +0800, Clark Wang wrote:
> Add i2c bus dma mode configuration example.
>
> Signed-off-by: Clark Wang <xiaoning.wang at nxp.com>
> ---
> V2 changes:
> - New patch added in V2
> ---
> .../devicetree/bindings/i2c/i2c-imx-lpi2c.yaml | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
> index 0a4b28827dcc..3868fec0cf27 100644
> --- a/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
> +++ b/Documentation/devicetree/bindings/i2c/i2c-imx-lpi2c.yaml
> @@ -51,6 +51,16 @@ properties:
> sda-gpios:
> maxItems: 1
>
> + dmas:
> + minItems: 2
> + maxItems: 2
> +
> + dma-names:
> + minItems: 2
> + maxItems: 2
> + items:
> + enum: [ "tx", "rx" ]
Please define the order:
items:
- const: tx
- const: rx
> +
> required:
> - compatible
> - reg
> @@ -75,4 +85,6 @@ examples:
> pinctrl-1 = <&pinctrl_i2c_recovery>;
> scl-gpios = <&gpio5 14 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> sda-gpios = <&gpio5 15 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
> + dmas = <&edma1 0 16>, <&edma1 0 15>;
> + dma-names = "tx","rx";
> };
> --
> 2.25.1
>
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