[PATCH 2/6] ARM: OMAP2+: dts: cm-t335: add basic support for I2C

[Uri Mashiach]

Gentle ping

On 27/10/15 14:14, Uri Mashiach wrote:
> From: Ilya Ledvich <ilya at compulab.co.il>
>
> Add pinmux configuration for I2C0 and I2C1 pins.
> Add description for I2C0 bus, set clock frequency to 400kHz.
> Add child nodes for 24c02 EEPROM and em3027 RTC on I2C0 bus.
>
> Acked-by: Igor Grinberg <grinberg at compulab.co.il>
> Signed-off-by: Ilya Ledvich <ilya at compulab.co.il>
> Signed-off-by: Uri Mashiach <uri.mashiach at compulab.co.il>
> ---
>   arch/arm/boot/dts/am335x-cm-t335.dts | 37 ++++++++++++++++++++++++++++++++++++
>   1 file changed, 37 insertions(+)
>
> diff --git a/arch/arm/boot/dts/am335x-cm-t335.dts b/arch/arm/boot/dts/am335x-cm-t335.dts
> index 197d5ce..39df3d2 100644
> --- a/arch/arm/boot/dts/am335x-cm-t335.dts
> +++ b/arch/arm/boot/dts/am335x-cm-t335.dts
> @@ -37,6 +37,24 @@
>   	pinctrl-names = "default";
>   	pinctrl-0 = <>;
>
> +	i2c0_pins: pinmux_i2c0_pins {
> +		pinctrl-single,pins = <
> +			/* i2c0_sda.i2c0_sda */
> +			0x188 (PIN_INPUT_PULLUP | MUX_MODE0)
> +			/* i2c0_scl.i2c0_scl */
> +			0x18c (PIN_INPUT_PULLUP | MUX_MODE0)
> +		>;
> +	};
> +
> +	i2c1_pins: pinmux_i2c1_pins {
> +		pinctrl-single,pins = <
> +			/* uart0_ctsn.i2c1_sda */
> +			0x168 (PIN_INPUT_PULLUP | MUX_MODE2)
> +			/* uart0_rtsn.i2c1_scl */
> +			0x16c (PIN_INPUT_PULLUP | MUX_MODE2)
> +		>;
> +	};
> +
>   	gpio_led_pins: pinmux_gpio_led_pins {
>   		pinctrl-single,pins = <
>   			0x88 (PIN_OUTPUT | MUX_MODE7)	/* gpmc_csn3.gpio2_0 */
> @@ -60,3 +78,22 @@
>   	status = "okay";
>   };
>
> +&i2c0 {
> +	pinctrl-names = "default";
> +	pinctrl-0 = <&i2c0_pins>;
> +
> +	status = "okay";
> +	clock-frequency = <400000>;
> +
> +	eeprom: 24c02 at 50 {
> +		compatible = "atmel,24c02";
> +		reg = <0x50>;
> +		pagesize = <16>;
> +	};
> +
> +	ext_rtc: em3027 at 56 {
> +		compatible = "emmicro,em3027";
> +		reg = <0x56>;
> +	};
> +};
> +
>