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>

diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi
index c3255e0c90aa829fc792f02d1265d413f3c6e624..236b7db789b0265360330f7eca4fbb23d8a6747c 100644 (file)
--- 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 {