Cisco 3560 Interface Power Device detected: IEEE PD Issue

[GaneshJadhav2940]

Helloe I have cisco 3560 switch, We faced issue on this interface continually interface was up and down 

Jan 13 06:19:14.307: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to down
Jan 13 06:19:14.325: %ILPOWER-7-DETECT: Interface Gi0/1: Power Device detected: IEEE PD
Jan 13 06:19:15.307: %LINK-3-UPDOWN: Interface GigabitEthernet0/1, changed state to down
Jan 13 06:19:18.830: %LINK-3-UPDOWN: Interface GigabitEthernet0/1, changed state to up
Jan 13 06:19:19.833: %LINEPROTO-5-UPDOWN: Line protocol on Interface GigabitEthernet0/1, changed state to up
Jan 13 06:19:41.000: %ILPOWER-5-POWER_GRANTED: Interface Gi0/1: Power granted
Jan 13 06:19:41.256: %ILPOWER-5-IEEE_DISCONNECT: Interface Gi0/1: PD removed

[Leo Laohoo]

What firmware is the switch running on?

[balaji.bandi]

is this only one device ? how about rest of the PoE device working as expected ?

what device is this ?

post below output :

show power inline 

along with show version  ( as Leo asked before)