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

Keerthy
2014-07-28T09:26:42Z

On Monday 28 July 2014 11:48 AM, Keerthy wrote:
> From: Keerthy J <j-keerthy@ti.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@ti.com>
> Signed-off-by: Nishanth Menon <nm@ti.com>
> Signed-off-by: Keerthy <j-keerthy@ti.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";
> };