1nvkm-y += nvkm/subdev/volt/base.o 2nvkm-y += nvkm/subdev/volt/gpio.o 3nvkm-y += nvkm/subdev/volt/nv40.o 4nvkm-y += nvkm/subdev/volt/gf100.o 5nvkm-y += nvkm/subdev/volt/gk104.o 6nvkm-y += nvkm/subdev/volt/gk20a.o 7nvkm-y += nvkm/subdev/volt/gm20b.o 8