diff options
| author | Pantelis Antoniou <pantelis.antoniou@konsulko.com> | 2015-05-13 11:04:34 +0300 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2015-05-20 11:21:50 -0700 |
| commit | 5d1a2961adf906f965b00eb8059fd2e0585e0e09 (patch) | |
| tree | db556bb1ed7ef7f4e8b3e3fb53724d04322ca860 /arch | |
| parent | 3aa59200f8d24a533c5b6e1f46d2d8ff205b0207 (diff) | |
ARM: dts: Beaglebone i2c definitions
The beaglebone family of boards contain two I2C busses enabled.
The first one with a baseboard identification EEPROM and a
cape I2C bus.
Signed-off-by: Pantelis Antoniou <pantelis.antoniou@konsulko.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/boot/dts/am335x-bone-common.dtsi | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi index c3255e0c90aa..236b7db789b0 100644 --- a/arch/arm/boot/dts/am335x-bone-common.dtsi +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi @@ -81,6 +81,13 @@ >; }; + i2c2_pins: pinmux_i2c2_pins { + pinctrl-single,pins = < + 0x178 (PIN_INPUT_PULLUP | MUX_MODE3) /* uart1_ctsn.i2c2_sda */ + 0x17c (PIN_INPUT_PULLUP | MUX_MODE3) /* uart1_rtsn.i2c2_scl */ + >; + }; + uart0_pins: pinmux_uart0_pins { pinctrl-single,pins = < 0x170 (PIN_INPUT_PULLUP | MUX_MODE0) /* uart0_rxd.uart0_rxd */ @@ -218,8 +225,67 @@ reg = <0x24>; }; + baseboard_eeprom: baseboard_eeprom@50 { + compatible = "at,24c256"; + reg = <0x50>; + + #address-cells = <1>; + #size-cells = <1>; + baseboard_data: baseboard_data@0 { + reg = <0 0x100>; + }; + }; +}; + +&i2c2 { + pinctrl-names = "default"; + pinctrl-0 = <&i2c2_pins>; + + status = "okay"; + clock-frequency = <100000>; + + cape_eeprom0: cape_eeprom0@54 { + compatible = "at,24c256"; + reg = <0x54>; + #address-cells = <1>; + #size-cells = <1>; + cape0_data: cape_data@0 { + reg = <0 0x100>; + }; + }; + + cape_eeprom1: cape_eeprom1@55 { + compatible = "at,24c256"; + reg = <0x55>; + #address-cells = <1>; + #size-cells = <1>; + cape1_data: cape_data@0 { + reg = <0 0x100>; + }; + }; + + cape_eeprom2: cape_eeprom2@56 { + compatible = "at,24c256"; + reg = <0x56>; + #address-cells = <1>; + #size-cells = <1>; + cape2_data: cape_data@0 { + reg = <0 0x100>; + }; + }; + + cape_eeprom3: cape_eeprom3@57 { + compatible = "at,24c256"; + reg = <0x57>; + #address-cells = <1>; + #size-cells = <1>; + cape3_data: cape_data@0 { + reg = <0 0x100>; + }; + }; }; + /include/ "tps65217.dtsi" &tps { |