linux-kernel - Re: [PATCH 4/4] ARM: STi: Add I2C config to B2000 and B2020 boards

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Date:	Wed, 18 Sep 2013 12:40:32 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Maxime COQUELIN <maxime.coquelin@...com>
Cc:	Wolfram Sang <wsa@...-dreams.de>, srinivas.kandagatla@...com,
	Rob Herring <rob.herring@...xeda.com>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Stephen Warren <swarren@...dotorg.org>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	Rob Landley <rob@...dley.net>,
	Russell King <linux@....linux.org.uk>,
	Grant Likely <grant.likely@...aro.org>,
	devicetree@...r.kernel.org, linux-doc@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-i2c@...r.kernel.org, stephen.gallimore@...com,
	stuart.menefy@...com, gabriel.fernandez@...com,
	olivier.clergeaud@...com
Subject: Re: [PATCH 4/4] ARM: STi: Add I2C config to B2000 and B2020 boards

On Wed, 18 Sep 2013, Maxime COQUELIN wrote:

> This patch supplies I2C configuration to B2000 and B2020
> based on either STiH415 or STiH416 SoCs.
> 
> Cc: Srinivas Kandagatla <srinivas.kandagatla@...com>
> Signed-off-by: Maxime Coquelin <maxime.coquelin@...com>
> ---
>  arch/arm/boot/dts/stih41x-b2000.dtsi |    7 +++++++
>  arch/arm/boot/dts/stih41x-b2020.dtsi |   20 ++++++++++++++++++++
>  2 files changed, 27 insertions(+)
> 
> diff --git a/arch/arm/boot/dts/stih41x-b2000.dtsi b/arch/arm/boot/dts/stih41x-b2000.dtsi
> index 8e694d2..346cc4bc 100644
> --- a/arch/arm/boot/dts/stih41x-b2000.dtsi
> +++ b/arch/arm/boot/dts/stih41x-b2000.dtsi
> @@ -37,5 +37,12 @@
>  			};
>  		};
>  
> +		/* HDMI Tx I2C */
> +		i2c1: i2c@...41000{

nit: Space before the '{'

> +			status = "okay";

Consider enabling the node at the bottom.

> +
> +			/* HDMI V1.3a supports Standard mode only */
> +			clock-frequency = <100000>;
> +		};
>  	};
>  };
> diff --git a/arch/arm/boot/dts/stih41x-b2020.dtsi b/arch/arm/boot/dts/stih41x-b2020.dtsi
> index 133e181..10b98da 100644
> --- a/arch/arm/boot/dts/stih41x-b2020.dtsi
> +++ b/arch/arm/boot/dts/stih41x-b2020.dtsi
> @@ -38,5 +38,25 @@
>  				default-state = "off";
>  			};
>  		};
> +
> +		i2c0: i2c@...40000{

As above.

> +			status = "okay";
> +		};
> +
> +		/* HDMI Tx I2C */
> +		i2c1: i2c@...41000{

As above.

> +			status = "okay";

As above.

> +			/* HDMI V1.3a supports Standard mode only */
> +			clock-frequency = <100000>;
> +		};
> +
> +		sbc_i2c0: i2c@...40000{

As above.

> +			status = "okay";
> +		};
> +
> +		sbc_i2c1: i2c@...41000{

Are these nodes referenced by phandle at all?

If not, consider dropping the <lable>:s

> +			status = "okay";
> +		};
>  	};
>  };

Odd tabbing here.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
Follow Linaro: Facebook | Twitter | Blog
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