linux-kernel - Re: [PATCH 1/2] ARM: dts: vf-colibri: Add I2C support

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Message-ID: <8dcb8f78771fe356b9648e74354003e9@agner.ch>
Date:	Wed, 05 Nov 2014 09:46:17 +0100
From:	Stefan Agner <stefan@...er.ch>
To:	Bhuvanchandra DV <bhuvanchandra.dv@...adex.com>
Cc:	shawn.guo@...escale.com, linux@....linux.org.uk,
	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/2] ARM: dts: vf-colibri: Add I2C support

Am 2014-11-04 12:22, schrieb Bhuvanchandra DV:
> Signed-off-by: Bhuvanchandra DV <bhuvanchandra.dv@...adex.com>
> ---
>  arch/arm/boot/dts/vf-colibri-eval-v3.dtsi |    7 ++++++-
>  arch/arm/boot/dts/vf-colibri.dtsi         |   13 +++++++++++++
>  2 files changed, 19 insertions(+), 1 deletion(-)
> 
> diff --git a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
> b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
> index 80e8fbc..0251e6c 100644
> --- a/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
> +++ b/arch/arm/boot/dts/vf-colibri-eval-v3.dtsi
> @@ -33,6 +33,11 @@
>  	status = "okay";
>  };
>  
> +&i2c0 {
> +	clock-frequency = <400000>;
> +	status = "okay";
> +};
> +
>  &pwm0 {
>  	status = "okay";
>  };
> @@ -51,4 +56,4 @@
>  
>  &uart2 {
>  	status = "okay";
> -};
> \ No newline at end of file
> +};
> diff --git a/arch/arm/boot/dts/vf-colibri.dtsi
> b/arch/arm/boot/dts/vf-colibri.dtsi
> index ab40367..471eec0 100644
> --- a/arch/arm/boot/dts/vf-colibri.dtsi
> +++ b/arch/arm/boot/dts/vf-colibri.dtsi
> @@ -39,6 +39,12 @@
>  	pinctrl-0 = <&pinctrl_fec1>;
>  };
>  
> +&i2c0 {
> +	clock-frequency = <400000>;

There is no need to overwrite the clock frequency again on carrier board
level here.

But other than that.

Acked-by: Stefan Agner <stefan@...er.ch>

> +	pinctrl-names = "default";
> +	pinctrl-0 = <&pinctrl_i2c0>;
> +};
> +
>  &pwm0 {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&pinctrl_pwm0>;
> @@ -102,6 +108,13 @@
>  			>;
>  		};
>  
> +		pinctrl_i2c0: i2c0grp {
> +			fsl,pins = <
> +				VF610_PAD_PTB14__I2C0_SCL		0x37ff
> +				VF610_PAD_PTB15__I2C0_SDA		0x37ff
> +			>;
> +		};
> +
>  		pinctrl_pwm0: pwm0grp {
>  			fsl,pins = <
>  				VF610_PAD_PTB0__FTM0_CH0		0x1182
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