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Date:   Fri, 9 Apr 2021 11:33:13 -0500
From:   Rob Herring <robh@kernel.org>
To:     Clark Wang <xiaoning.wang@nxp.com>
Cc:     aisheng.dong@nxp.com, shawnguo@kernel.org, s.hauer@pengutronix.de,
        festevam@gmail.com, kernel@pengutronix.de, linux-imx@nxp.com,
        linux-i2c@vger.kernel.org, devicetree@vger.kernel.org,
        linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH V2 15/18] dt-bindings: i2c: imx-lpi2c: Add dma
 configuration example
Message-ID: <20210409163313.GA3750926@robh.at.kernel.org>
References: <20210406113306.2633595-1-xiaoning.wang@nxp.com>
 <20210406113306.2633595-16-xiaoning.wang@nxp.com>
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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@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
>