linux-kernel - Re: [PATCH 07/15] arm64: dts: imx8mp-evk: enable I2C2 node

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Message-ID: <20221020122116.y5xjipuyhrl5wqlq@pengutronix.de>
Date:   Thu, 20 Oct 2022 14:21:16 +0200
From:   Marco Felsch <m.felsch@...gutronix.de>
To:     "Peng Fan (OSS)" <peng.fan@....nxp.com>
Cc:     robh+dt@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        shawnguo@...nel.org, s.hauer@...gutronix.de,
        devicetree@...r.kernel.org, Peng Fan <peng.fan@....com>,
        linux-kernel@...r.kernel.org, linux-imx@....com,
        kernel@...gutronix.de, festevam@...il.com,
        linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH 07/15] arm64: dts: imx8mp-evk: enable I2C2 node

Hi Peng,

On 22-10-20, Peng Fan (OSS) wrote:
> From: Peng Fan <peng.fan@....com>
> 
> Enable I2C node for i.MX8MP-EVK
> 
> Signed-off-by: Peng Fan <peng.fan@....com>
> ---
>  arch/arm64/boot/dts/freescale/imx8mp-evk.dts | 14 ++++++++++++++
>  1 file changed, 14 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> index f36033b9cebb..d4d52ac25d1e 100644
> --- a/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> +++ b/arch/arm64/boot/dts/freescale/imx8mp-evk.dts
> @@ -367,6 +367,13 @@ LDO5 {
>  	};
>  };
>  
> +&i2c2 {
> +	clock-frequency = <100000>;

Can we please set it to 400000? The driver already supports handling the
erratum ERR007805.

Regards,
  Marco


> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c2>;
> +	status = "okay";
> +};
> +
>  &i2c3 {
>  	clock-frequency = <400000>;
>  	pinctrl-names = "default";
> @@ -625,6 +632,13 @@ MX8MP_IOMUXC_I2C1_SDA__I2C1_SDA		0x400001c2
>  		>;
>  	};
>  
> +	pinctrl_i2c2: i2c2grp {
> +		fsl,pins = <
> +			MX8MP_IOMUXC_I2C2_SCL__I2C2_SCL		0x400001c2
> +			MX8MP_IOMUXC_I2C2_SDA__I2C2_SDA		0x400001c2
> +		>;
> +	};
> +
>  	pinctrl_i2c3: i2c3grp {
>  		fsl,pins = <
>  			MX8MP_IOMUXC_I2C3_SCL__I2C3_SCL		0x400001c2
> -- 
> 2.37.1
> 
> 
>