Re: [PATCH v2] ARM: dts: am335x-bone-common: Add i2c2 definition

[Robert Nelson]

>>
>> +     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/
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/