1*4d54b0b4SRob Herring (Arm)# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) 2*4d54b0b4SRob Herring (Arm)%YAML 1.2 3*4d54b0b4SRob Herring (Arm)--- 4*4d54b0b4SRob Herring (Arm)$id: http://devicetree.org/schemas/ti,keystone-timer.yaml# 5*4d54b0b4SRob Herring (Arm)$schema: http://devicetree.org/meta-schemas/core.yaml# 6*4d54b0b4SRob Herring (Arm) 7*4d54b0b4SRob Herring (Arm)title: TI Keystone timer 8*4d54b0b4SRob Herring (Arm) 9*4d54b0b4SRob Herring (Arm)maintainers: 10*4d54b0b4SRob Herring (Arm) - Alexander A. Klimov <grandmaster@al2klimov.de> 11*4d54b0b4SRob Herring (Arm) - Ivan Khoronzhuk <ivan.khoronzhuk@ti.com> 12*4d54b0b4SRob Herring (Arm) 13*4d54b0b4SRob Herring (Arm)description: > 14*4d54b0b4SRob Herring (Arm) A 64-bit timer in the KeyStone architecture devices. The timer can be 15*4d54b0b4SRob Herring (Arm) configured as a general-purpose 64-bit timer, dual general-purpose 32-bit 16*4d54b0b4SRob Herring (Arm) timers. When configured as dual 32-bit timers, each half can operate in 17*4d54b0b4SRob Herring (Arm) conjunction (chain mode) or independently (unchained mode) of each other. 18*4d54b0b4SRob Herring (Arm) 19*4d54b0b4SRob Herring (Arm) It is global timer is a free running up-counter and can generate interrupt 20*4d54b0b4SRob Herring (Arm) when the counter reaches preset counter values. 21*4d54b0b4SRob Herring (Arm) 22*4d54b0b4SRob Herring (Arm) Documentation: 23*4d54b0b4SRob Herring (Arm) https://www.ti.com/lit/ug/sprugv5a/sprugv5a.pdf 24*4d54b0b4SRob Herring (Arm) 25*4d54b0b4SRob Herring (Arm)properties: 26*4d54b0b4SRob Herring (Arm) compatible: 27*4d54b0b4SRob Herring (Arm) const: ti,keystone-timer 28*4d54b0b4SRob Herring (Arm) 29*4d54b0b4SRob Herring (Arm) reg: 30*4d54b0b4SRob Herring (Arm) maxItems: 1 31*4d54b0b4SRob Herring (Arm) 32*4d54b0b4SRob Herring (Arm) interrupts: 33*4d54b0b4SRob Herring (Arm) maxItems: 1 34*4d54b0b4SRob Herring (Arm) 35*4d54b0b4SRob Herring (Arm) interrupt-names: 36*4d54b0b4SRob Herring (Arm) items: 37*4d54b0b4SRob Herring (Arm) - const: irq 38*4d54b0b4SRob Herring (Arm) 39*4d54b0b4SRob Herring (Arm) clocks: 40*4d54b0b4SRob Herring (Arm) maxItems: 1 41*4d54b0b4SRob Herring (Arm) 42*4d54b0b4SRob Herring (Arm) clock-names: 43*4d54b0b4SRob Herring (Arm) items: 44*4d54b0b4SRob Herring (Arm) - const: timer 45*4d54b0b4SRob Herring (Arm) 46*4d54b0b4SRob Herring (Arm)required: 47*4d54b0b4SRob Herring (Arm) - compatible 48*4d54b0b4SRob Herring (Arm) - reg 49*4d54b0b4SRob Herring (Arm) - interrupts 50*4d54b0b4SRob Herring (Arm) - clocks 51*4d54b0b4SRob Herring (Arm) 52*4d54b0b4SRob Herring (Arm)additionalProperties: false 53*4d54b0b4SRob Herring (Arm) 54*4d54b0b4SRob Herring (Arm)examples: 55*4d54b0b4SRob Herring (Arm) - | 56*4d54b0b4SRob Herring (Arm) #include <dt-bindings/interrupt-controller/irq.h> 57*4d54b0b4SRob Herring (Arm) 58*4d54b0b4SRob Herring (Arm) timer@22f0000 { 59*4d54b0b4SRob Herring (Arm) compatible = "ti,keystone-timer"; 60*4d54b0b4SRob Herring (Arm) reg = <0x022f0000 0x80>; 61*4d54b0b4SRob Herring (Arm) interrupts = <110 IRQ_TYPE_EDGE_RISING>; 62*4d54b0b4SRob Herring (Arm) clocks = <&clktimer15>; 63*4d54b0b4SRob Herring (Arm) }; 64