1*4882a593Smuzhiyun============================ 2*4882a593SmuzhiyunC-SKY Multi-processors Timer 3*4882a593Smuzhiyun============================ 4*4882a593Smuzhiyun 5*4882a593SmuzhiyunC-SKY multi-processors timer is designed for C-SKY SMP system and the 6*4882a593Smuzhiyunregs is accessed by cpu co-processor 4 registers with mtcr/mfcr. 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun - PTIM_CTLR "cr<0, 14>" Control reg to start reset timer. 9*4882a593Smuzhiyun - PTIM_TSR "cr<1, 14>" Interrupt cleanup status reg. 10*4882a593Smuzhiyun - PTIM_CCVR "cr<3, 14>" Current counter value reg. 11*4882a593Smuzhiyun - PTIM_LVR "cr<6, 14>" Window value reg to trigger next event. 12*4882a593Smuzhiyun 13*4882a593Smuzhiyun============================== 14*4882a593Smuzhiyuntimer node bindings definition 15*4882a593Smuzhiyun============================== 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun Description: Describes SMP timer 18*4882a593Smuzhiyun 19*4882a593Smuzhiyun PROPERTIES 20*4882a593Smuzhiyun 21*4882a593Smuzhiyun - compatible 22*4882a593Smuzhiyun Usage: required 23*4882a593Smuzhiyun Value type: <string> 24*4882a593Smuzhiyun Definition: must be "csky,mptimer" 25*4882a593Smuzhiyun - clocks 26*4882a593Smuzhiyun Usage: required 27*4882a593Smuzhiyun Value type: <node> 28*4882a593Smuzhiyun Definition: must be input clk node 29*4882a593Smuzhiyun - interrupts 30*4882a593Smuzhiyun Usage: required 31*4882a593Smuzhiyun Value type: <u32> 32*4882a593Smuzhiyun Definition: must be timer irq num defined by soc 33*4882a593Smuzhiyun 34*4882a593SmuzhiyunExamples: 35*4882a593Smuzhiyun--------- 36*4882a593Smuzhiyun 37*4882a593Smuzhiyun timer: timer { 38*4882a593Smuzhiyun compatible = "csky,mptimer"; 39*4882a593Smuzhiyun clocks = <&dummy_apb_clk>; 40*4882a593Smuzhiyun interrupts = <16>; 41*4882a593Smuzhiyun interrupt-parent = <&intc>; 42*4882a593Smuzhiyun }; 43