linux-kernel - Re: [PATCH 1/2] ARM: dts: dra72-evm: Enable I2C1 node

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Message-ID: <53D616B6.3030806@ti.com>
Date:	Mon, 28 Jul 2014 14:54:06 +0530
From:	Keerthy <a0393675@...com>
To:	Keerthy <j-keerthy@...com>
CC:	<nm@...com>, <mark.rutland@....com>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <linux-omap@...r.kernel.org>,
	<tony@...mide.com>, <galak@...eaurora.org>, <lokeshvutla@...com>
Subject: Re: [PATCH 1/2] ARM: dts: dra72-evm: Enable I2C1 node

On Monday 28 July 2014 11:48 AM, Keerthy wrote:
> From: Keerthy J <j-keerthy@...com>
>
> I2C1 bus is used for the following peripherals
> 	P8 connector (MLB)
> 	TLV320AIC3106 Audio codec
> 	J15 LCD header
> 	24WC256 eeprom
> 	TMP102AIDRLT temperature sensor
> 	PCF8575 GPIO expander
> 	PCA9306 i2c voltage translator -> Goes to P9 for comm interface
> 	P2 expansion connector
> 	TPS65917 PMIC
>
> The slowest speed of all the peripherals seems to be 400KHz.

Correcting the 'to' list.

>
> Tested-by: Lokesh Vutla <lokeshvutla@...com>
> Signed-off-by: Nishanth Menon <nm@...com>
> Signed-off-by: Keerthy <j-keerthy@...com>
> ---
>   arch/arm/boot/dts/dra72-evm.dts |   16 ++++++++++++++++
>   1 file changed, 16 insertions(+)
>
> diff --git a/arch/arm/boot/dts/dra72-evm.dts b/arch/arm/boot/dts/dra72-evm.dts
> index 5147023..1e12862 100644
> --- a/arch/arm/boot/dts/dra72-evm.dts
> +++ b/arch/arm/boot/dts/dra72-evm.dts
> @@ -19,6 +19,22 @@
>   	};
>   };
>   
> +&dra7_pmx_core {
> +	i2c1_pins: pinmux_i2c1_pins {
> +		pinctrl-single,pins = <
> +			0x400 (PIN_INPUT | MUX_MODE0) /* i2c1_sda.i2c1_sda */
> +			0x404 (PIN_INPUT | MUX_MODE0) /* i2c1_scl.i2c1_scl */
> +		>;
> +	};
> +};
> +
> +&i2c1 {
> +	status = "okay";
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c1_pins>;
> +	clock-frequency = <400000>;
> +};
> +
>   &uart1 {
>   	status = "okay";
>   };

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