linux-kernel - Re: [PATCH v2 4/4] arm64: dts: actions: s700-cubieboard7: Enable I2C0 and I2C1

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Message-ID: <20181210135044.GC25368@Mani-XPS-13-9360>
Date:   Mon, 10 Dec 2018 19:20:44 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Parthiban Nallathambi <pn@...x.de>
Cc:     afaerber@...e.de, robh+dt@...nel.org, mark.rutland@....com,
        wsa@...-dreams.de, linux-arm-kernel@...ts.infradead.org,
        linux-i2c@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux@...ietech.com,
        thomas.liau@...ions-semi.com
Subject: Re: [PATCH v2 4/4] arm64: dts: actions: s700-cubieboard7: Enable
 I2C0 and I2C1

Hi Parthiban,

On Mon, Nov 26, 2018 at 07:58:21PM +0100, Parthiban Nallathambi wrote:
> Add pinctrl definitions for Actions Semiconductor S700 I2C controllers.
> Pinctrl definitions are only available for I2C0, I2C1 and I2C2.
> Enable I2C0 (PMIC), I2C1 (gyro, touchscreen) in cubieboard7.
> 
> Signed-off-by: Parthiban Nallathambi <pn@...x.de>
> ---
>  .../boot/dts/actions/s700-cubieboard7.dts     | 53 +++++++++++++++++++
>  1 file changed, 53 insertions(+)
> 
> diff --git a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
> index 28f3f4a0f7f0..6a75fdd7ab42 100644
> --- a/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
> +++ b/arch/arm64/boot/dts/actions/s700-cubieboard7.dts
> @@ -37,3 +37,56 @@
>  &uart3 {
>  	status = "okay";
>  };
> +
> +&i2c0 {

On the board DTS, node names should be sorted alphabetically!

Regards,
Mani

> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c0_default>;
> +};
> +
> +&i2c1 {
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c1_default>;
> +};
> +
> +&i2c2 {
> +	status = "disabled";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c2_default>;
> +};
> +
> +&pinctrl {
> +	i2c0_default: i2c0_default {
> +		pinmux {
> +			groups = "i2c0_mfp";
> +			function = "i2c0";
> +		};
> +		pinconf {
> +			pins = "i2c0_sclk", "i2c0_sdata";
> +			bias-pull-up;
> +		};
> +	};
> +
> +	i2c1_default: i2c1_default {
> +		pinmux {
> +			groups = "i2c1_dummy";
> +			function = "i2c1";
> +		};
> +		pinconf {
> +			pins = "i2c1_sclk", "i2c1_sdata";
> +			bias-pull-up;
> +		};
> +	};
> +
> +	i2c2_default: i2c2_default {
> +		pinmux {
> +			groups = "i2c2_dummy";
> +			function = "i2c2";
> +		};
> +		pinconf {
> +			pins = "i2c2_sclk", "i2c2_sdata";
> +			bias-pull-up;
> +		};
> +	};
> +};
> -- 
> 2.17.2
>