From: Ilya Ledvich <[email protected]> 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.
Signed-off-by: Ilya Ledvich <[email protected]> Signed-off-by: Uri Mashiach <[email protected]> Acked-by: Igor Grinberg <[email protected]> --- v1 -> v2: integrate AM33XX_IOPAD macro in pinmux definitions 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 719658e..02b6679 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 */ + AM33XX_IOPAD(0x988, PIN_INPUT_PULLUP | MUX_MODE0) + /* i2c0_scl.i2c0_scl */ + AM33XX_IOPAD(0x98c, PIN_INPUT_PULLUP | MUX_MODE0) + >; + }; + + i2c1_pins: pinmux_i2c1_pins { + pinctrl-single,pins = < + /* uart0_ctsn.i2c1_sda */ + AM33XX_IOPAD(0x968, PIN_INPUT_PULLUP | MUX_MODE2) + /* uart0_rtsn.i2c1_scl */ + AM33XX_IOPAD(0x96c, PIN_INPUT_PULLUP | MUX_MODE2) + >; + }; + gpio_led_pins: pinmux_gpio_led_pins { pinctrl-single,pins = < /* gpmc_csn3.gpio2_0 */ @@ -61,3 +79,22 @@ status = "okay"; }; +&i2c0 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c0_pins>; + + status = "okay"; + clock-frequency = <400000>; + /* CM-T335 board EEPROM */ + eeprom: 24c02@50 { + compatible = "atmel,24c02"; + reg = <0x50>; + pagesize = <16>; + }; + /* Real Time Clock */ + ext_rtc: em3027@56 { + compatible = "emmicro,em3027"; + reg = <0x56>; + }; +}; + -- 2.5.0 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
