X-Git-Url: https://git.libre-soc.org/?p=sifive-blocks.git;a=blobdiff_plain;f=src%2Fmain%2Fscala%2Fdevices%2Fi2c%2FI2CPins.scala;fp=src%2Fmain%2Fscala%2Fdevices%2Fi2c%2FI2CPins.scala;h=a4016f3c71a2fdca986a996c124826144c0b8480;hp=6bf40aedd5526975ebfd5fe7ecb186b643927c09;hb=fe65a87c5c94466ce17896cfd896c8e7c127d79b;hpb=f8dcfbacfa2517ff195d06f03459c23c7c194634 diff --git a/src/main/scala/devices/i2c/I2CPins.scala b/src/main/scala/devices/i2c/I2CPins.scala index 6bf40ae..a4016f3 100644 --- a/src/main/scala/devices/i2c/I2CPins.scala +++ b/src/main/scala/devices/i2c/I2CPins.scala @@ -6,24 +6,29 @@ import chisel3.experimental.{withClockAndReset} import freechips.rocketchip.util.SyncResetSynchronizerShiftReg import sifive.blocks.devices.pinctrl.{Pin, PinCtrl} -class I2CPins[T <: Pin](pingen: () => T) extends Bundle { +class I2CSignals[T <: Data](pingen: () => T) extends Bundle { val scl: T = pingen() val sda: T = pingen() override def cloneType: this.type = this.getClass.getConstructors.head.newInstance(pingen).asInstanceOf[this.type] +} + +class I2CPins[T <: Pin](pingen: () => T) extends I2CSignals[T](pingen) + +object I2CPinsFromPort { - def fromPort(i2c: I2CPort, clock: Clock, reset: Bool, syncStages: Int = 0) = { + def apply[T <: Pin](pins: I2CSignals[T], i2c: I2CPort, clock: Clock, reset: Bool, syncStages: Int = 0) = { withClockAndReset(clock, reset) { - scl.outputPin(i2c.scl.out, pue=true.B, ie = true.B) - scl.o.oe := i2c.scl.oe - i2c.scl.in := SyncResetSynchronizerShiftReg(scl.i.ival, syncStages, init = Bool(true), + pins.scl.outputPin(i2c.scl.out, pue=true.B, ie = true.B) + pins.scl.o.oe := i2c.scl.oe + i2c.scl.in := SyncResetSynchronizerShiftReg(pins.scl.i.ival, syncStages, init = Bool(true), name = Some("i2c_scl_sync")) - sda.outputPin(i2c.sda.out, pue=true.B, ie = true.B) - sda.o.oe := i2c.sda.oe - i2c.sda.in := SyncResetSynchronizerShiftReg(sda.i.ival, syncStages, init = Bool(true), + pins.sda.outputPin(i2c.sda.out, pue=true.B, ie = true.B) + pins.sda.o.oe := i2c.sda.oe + i2c.sda.in := SyncResetSynchronizerShiftReg(pins.sda.i.ival, syncStages, init = Bool(true), name = Some("i2c_sda_sync")) } }