162306a36Sopenharmony_ci============================ 262306a36Sopenharmony_ciC-SKY Multi-processors Timer 362306a36Sopenharmony_ci============================ 462306a36Sopenharmony_ci 562306a36Sopenharmony_ciC-SKY multi-processors timer is designed for C-SKY SMP system and the 662306a36Sopenharmony_ciregs is accessed by cpu co-processor 4 registers with mtcr/mfcr. 762306a36Sopenharmony_ci 862306a36Sopenharmony_ci - PTIM_CTLR "cr<0, 14>" Control reg to start reset timer. 962306a36Sopenharmony_ci - PTIM_TSR "cr<1, 14>" Interrupt cleanup status reg. 1062306a36Sopenharmony_ci - PTIM_CCVR "cr<3, 14>" Current counter value reg. 1162306a36Sopenharmony_ci - PTIM_LVR "cr<6, 14>" Window value reg to trigger next event. 1262306a36Sopenharmony_ci 1362306a36Sopenharmony_ci============================== 1462306a36Sopenharmony_citimer node bindings definition 1562306a36Sopenharmony_ci============================== 1662306a36Sopenharmony_ci 1762306a36Sopenharmony_ci Description: Describes SMP timer 1862306a36Sopenharmony_ci 1962306a36Sopenharmony_ci PROPERTIES 2062306a36Sopenharmony_ci 2162306a36Sopenharmony_ci - compatible 2262306a36Sopenharmony_ci Usage: required 2362306a36Sopenharmony_ci Value type: <string> 2462306a36Sopenharmony_ci Definition: must be "csky,mptimer" 2562306a36Sopenharmony_ci - clocks 2662306a36Sopenharmony_ci Usage: required 2762306a36Sopenharmony_ci Value type: <node> 2862306a36Sopenharmony_ci Definition: must be input clk node 2962306a36Sopenharmony_ci - interrupts 3062306a36Sopenharmony_ci Usage: required 3162306a36Sopenharmony_ci Value type: <u32> 3262306a36Sopenharmony_ci Definition: must be timer irq num defined by soc 3362306a36Sopenharmony_ci 3462306a36Sopenharmony_ciExamples: 3562306a36Sopenharmony_ci--------- 3662306a36Sopenharmony_ci 3762306a36Sopenharmony_ci timer: timer { 3862306a36Sopenharmony_ci compatible = "csky,mptimer"; 3962306a36Sopenharmony_ci clocks = <&dummy_apb_clk>; 4062306a36Sopenharmony_ci interrupts = <16>; 4162306a36Sopenharmony_ci interrupt-parent = <&intc>; 4262306a36Sopenharmony_ci }; 43