>>
>> + 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 */
>>
>> @@ -222,6 +229,15 @@
>>
>> };
>>
>> +
>> +&i2c2 {
>> + pinctrl-names = "default";
>> + pinctrl-0 = <&i2c2_pins>;
>> +
>> + status = "okay";
>> + clock-frequency = <100000>;
>> +};
>> +
>
> If these pins are not used for i2c2 on some capes, this device
> should be set to status = "disabled" state by default. Then
> u-boot could re-enable it on the boards that have i2c2 in use.
To-date, this is the i2c bus that all capes have placed an at24 eeprom
for cape identification.
Regards,
--
Robert Nelson
http://www.rcn-ee.com/
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