Rename Unborrowed -> PeripheralRef, Unborrow -> Peripheral

19 files changed, 291 insertions, 298 deletions

diff --git a/embassy-nrf/src/buffered_uarte.rs b/embassy-nrf/src/buffered_uarte.rs
index d251ce347..48ffe5c29 100644
--- a/embassy-nrf/src/buffered_uarte.rs
+++ b/embassy-nrf/src/buffered_uarte.rs
@@ -22,7 +22,7 @@ use core::task::Poll;
 use embassy::waitqueue::WakerRegistration;
 use embassy_cortex_m::peripheral::{PeripheralMutex, PeripheralState, StateStorage};
 use embassy_hal_common::ring_buffer::RingBuffer;
-use embassy_hal_common::{low_power_wait_until, unborrow};
+use embassy_hal_common::{into_ref, low_power_wait_until};
 use futures::future::poll_fn;
 // Re-export SVD variants to allow user to directly set values
 pub use pac::uarte0::{baudrate::BAUDRATE_A as Baudrate, config::PARITY_A as Parity};
@@ -32,7 +32,7 @@ use crate::interrupt::InterruptExt;
 use crate::ppi::{AnyConfigurableChannel, ConfigurableChannel, Event, Ppi, Task};
 use crate::timer::{Frequency, Instance as TimerInstance, Timer};
 use crate::uarte::{apply_workaround_for_enable_anomaly, Config, Instance as UarteInstance};
-use crate::{pac, Unborrow};
+use crate::{pac, Peripheral};
 
 #[derive(Copy, Clone, Debug, PartialEq)]
 enum RxState {
@@ -78,20 +78,20 @@ impl<'d, U: UarteInstance, T: TimerInstance> Unpin for BufferedUarte<'d, U, T> {
 impl<'d, U: UarteInstance, T: TimerInstance> BufferedUarte<'d, U, T> {
     pub fn new(
         state: &'d mut State<'d, U, T>,
-        _uarte: impl Unborrow<Target = U> + 'd,
-        timer: impl Unborrow<Target = T> + 'd,
-        ppi_ch1: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
-        ppi_ch2: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
-        irq: impl Unborrow<Target = U::Interrupt> + 'd,
-        rxd: impl Unborrow<Target = impl GpioPin> + 'd,
-        txd: impl Unborrow<Target = impl GpioPin> + 'd,
-        cts: impl Unborrow<Target = impl GpioPin> + 'd,
-        rts: impl Unborrow<Target = impl GpioPin> + 'd,
+        _uarte: impl Peripheral<P = U> + 'd,
+        timer: impl Peripheral<P = T> + 'd,
+        ppi_ch1: impl Peripheral<P = impl ConfigurableChannel + 'd> + 'd,
+        ppi_ch2: impl Peripheral<P = impl ConfigurableChannel + 'd> + 'd,
+        irq: impl Peripheral<P = U::Interrupt> + 'd,
+        rxd: impl Peripheral<P = impl GpioPin> + 'd,
+        txd: impl Peripheral<P = impl GpioPin> + 'd,
+        cts: impl Peripheral<P = impl GpioPin> + 'd,
+        rts: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
         rx_buffer: &'d mut [u8],
         tx_buffer: &'d mut [u8],
     ) -> Self {
-        unborrow!(ppi_ch1, ppi_ch2, irq, rxd, txd, cts, rts);
+        into_ref!(ppi_ch1, ppi_ch2, irq, rxd, txd, cts, rts);
 
         let r = U::regs();
 
diff --git a/embassy-nrf/src/gpio.rs b/embassy-nrf/src/gpio.rs
index f6320b8ee..ae08d859a 100644
--- a/embassy-nrf/src/gpio.rs
+++ b/embassy-nrf/src/gpio.rs
@@ -4,12 +4,12 @@ use core::convert::Infallible;
 use core::hint::unreachable_unchecked;
 
 use cfg_if::cfg_if;
-use embassy_hal_common::{impl_unborrow, unborrow, Unborrowed};
+use embassy_hal_common::{impl_peripheral, into_ref, PeripheralRef};
 
 use self::sealed::Pin as _;
 use crate::pac::p0 as gpio;
 use crate::pac::p0::pin_cnf::{DRIVE_A, PULL_A};
-use crate::{pac, Unborrow};
+use crate::{pac, Peripheral};
 
 /// A GPIO port with up to 32 pins.
 #[derive(Debug, Eq, PartialEq)]
@@ -38,7 +38,7 @@ pub struct Input<'d, T: Pin> {
 
 impl<'d, T: Pin> Input<'d, T> {
     #[inline]
-    pub fn new(pin: impl Unborrow<Target = T> + 'd, pull: Pull) -> Self {
+    pub fn new(pin: impl Peripheral<P = T> + 'd, pull: Pull) -> Self {
         let mut pin = Flex::new(pin);
         pin.set_as_input(pull);
 
@@ -118,7 +118,7 @@ pub struct Output<'d, T: Pin> {
 
 impl<'d, T: Pin> Output<'d, T> {
     #[inline]
-    pub fn new(pin: impl Unborrow<Target = T> + 'd, initial_output: Level, drive: OutputDrive) -> Self {
+    pub fn new(pin: impl Peripheral<P = T> + 'd, initial_output: Level, drive: OutputDrive) -> Self {
         let mut pin = Flex::new(pin);
         match initial_output {
             Level::High => pin.set_high(),
@@ -193,7 +193,7 @@ fn convert_pull(pull: Pull) -> PULL_A {
 /// set while not in output mode, so the pin's level will be 'remembered' when it is not in output
 /// mode.
 pub struct Flex<'d, T: Pin> {
-    pub(crate) pin: Unborrowed<'d, T>,
+    pub(crate) pin: PeripheralRef<'d, T>,
 }
 
 impl<'d, T: Pin> Flex<'d, T> {
@@ -202,8 +202,8 @@ impl<'d, T: Pin> Flex<'d, T> {
     /// The pin remains disconnected. The initial output level is unspecified, but can be changed
     /// before the pin is put into output mode.
     #[inline]
-    pub fn new(pin: impl Unborrow<Target = T> + 'd) -> Self {
-        unborrow!(pin);
+    pub fn new(pin: impl Peripheral<P = T> + 'd) -> Self {
+        into_ref!(pin);
         // Pin will be in disconnected state.
         Self { pin }
     }
@@ -374,7 +374,7 @@ pub(crate) mod sealed {
     }
 }
 
-pub trait Pin: Unborrow<Target = Self> + sealed::Pin + Sized + 'static {
+pub trait Pin: Peripheral<P = Self> + sealed::Pin + Sized + 'static {
     /// Number of the pin within the port (0..31)
     #[inline]
     fn pin(&self) -> u8 {
@@ -417,22 +417,22 @@ impl AnyPin {
         Self { pin_port }
     }
 
-    pub(crate) fn unborrow_and_degrade<'a>(pin: impl Unborrow<Target = impl Pin + 'a> + 'a) -> Unborrowed<'a, Self> {
-        Unborrowed::new(AnyPin {
-            pin_port: pin.unborrow().pin_port(),
+    pub(crate) fn into_degraded_ref<'a>(pin: impl Peripheral<P = impl Pin + 'a> + 'a) -> PeripheralRef<'a, Self> {
+        PeripheralRef::new(AnyPin {
+            pin_port: pin.into_ref().pin_port(),
         })
     }
 }
 
-macro_rules! unborrow_and_degrade {
+macro_rules! into_degraded_ref {
     ($($name:ident),*) => {
         $(
-            let $name = $crate::gpio::AnyPin::unborrow_and_degrade($name);
+            let $name = $crate::gpio::AnyPin::into_degraded_ref($name);
         )*
     };
 }
 
-impl_unborrow!(AnyPin);
+impl_peripheral!(AnyPin);
 impl Pin for AnyPin {}
 impl sealed::Pin for AnyPin {
     #[inline]
@@ -447,7 +447,7 @@ pub(crate) trait PselBits {
     fn psel_bits(&self) -> u32;
 }
 
-impl<'a, P: Pin> PselBits for Option<Unborrowed<'a, P>> {
+impl<'a, P: Pin> PselBits for Option<PeripheralRef<'a, P>> {
     #[inline]
     fn psel_bits(&self) -> u32 {
         match self {
diff --git a/embassy-nrf/src/gpiote.rs b/embassy-nrf/src/gpiote.rs
index d59c2e34d..e89d01685 100644
--- a/embassy-nrf/src/gpiote.rs
+++ b/embassy-nrf/src/gpiote.rs
@@ -4,7 +4,7 @@ use core::marker::PhantomData;
 use core::task::{Context, Poll};
 
 use embassy::waitqueue::AtomicWaker;
-use embassy_hal_common::impl_unborrow;
+use embassy_hal_common::impl_peripheral;
 use futures::future::poll_fn;
 
 use crate::gpio::sealed::Pin as _;
@@ -414,7 +414,7 @@ pub trait Channel: sealed::Channel + Sized {
 pub struct AnyChannel {
     number: u8,
 }
-impl_unborrow!(AnyChannel);
+impl_peripheral!(AnyChannel);
 impl sealed::Channel for AnyChannel {}
 impl Channel for AnyChannel {
     fn number(&self) -> usize {
diff --git a/embassy-nrf/src/lib.rs b/embassy-nrf/src/lib.rs
index b6a21caa2..ad6c16c1f 100644
--- a/embassy-nrf/src/lib.rs
+++ b/embassy-nrf/src/lib.rs
@@ -135,7 +135,7 @@ pub use chip::pac;
 pub(crate) use chip::pac;
 pub use chip::{peripherals, Peripherals};
 pub use embassy_cortex_m::executor;
-pub use embassy_hal_common::{unborrow, Unborrow, Unborrowed};
+pub use embassy_hal_common::{into_ref, Peripheral, PeripheralRef};
 pub use embassy_macros::cortex_m_interrupt as interrupt;
 
 pub mod config {
diff --git a/embassy-nrf/src/nvmc.rs b/embassy-nrf/src/nvmc.rs
index e350f8c99..731def46a 100644
--- a/embassy-nrf/src/nvmc.rs
+++ b/embassy-nrf/src/nvmc.rs
@@ -3,13 +3,13 @@
 use core::marker::PhantomData;
 use core::{ptr, slice};
 
-use embassy_hal_common::unborrow;
+use embassy_hal_common::into_ref;
 use embedded_storage::nor_flash::{
     ErrorType, MultiwriteNorFlash, NorFlash, NorFlashError, NorFlashErrorKind, ReadNorFlash,
 };
 
 use crate::peripherals::NVMC;
-use crate::{pac, Unborrow};
+use crate::{pac, Peripheral};
 
 pub const PAGE_SIZE: usize = 4096;
 pub const FLASH_SIZE: usize = crate::chip::FLASH_SIZE;
@@ -35,8 +35,8 @@ pub struct Nvmc<'d> {
 }
 
 impl<'d> Nvmc<'d> {
-    pub fn new(_p: impl Unborrow<Target = NVMC> + 'd) -> Self {
-        unborrow!(_p);
+    pub fn new(_p: impl Peripheral<P = NVMC> + 'd) -> Self {
+        into_ref!(_p);
 
         Self { _p: PhantomData }
     }
diff --git a/embassy-nrf/src/ppi/dppi.rs b/embassy-nrf/src/ppi/dppi.rs
index 87ebb7084..de856c0ca 100644
--- a/embassy-nrf/src/ppi/dppi.rs
+++ b/embassy-nrf/src/ppi/dppi.rs
@@ -1,7 +1,7 @@
-use embassy_hal_common::unborrow;
+use embassy_hal_common::into_ref;
 
 use super::{Channel, ConfigurableChannel, Event, Ppi, Task};
-use crate::{pac, Unborrow};
+use crate::{pac, Peripheral};
 
 const DPPI_ENABLE_BIT: u32 = 0x8000_0000;
 const DPPI_CHANNEL_MASK: u32 = 0x0000_00FF;
@@ -11,13 +11,13 @@ fn regs() -> &'static pac::dppic::RegisterBlock {
 }
 
 impl<'d, C: ConfigurableChannel> Ppi<'d, C, 1, 1> {
-    pub fn new_one_to_one(ch: impl Unborrow<Target = C> + 'd, event: Event, task: Task) -> Self {
+    pub fn new_one_to_one(ch: impl Peripheral<P = C> + 'd, event: Event, task: Task) -> Self {
         Ppi::new_many_to_many(ch, [event], [task])
     }
 }
 
 impl<'d, C: ConfigurableChannel> Ppi<'d, C, 1, 2> {
-    pub fn new_one_to_two(ch: impl Unborrow<Target = C> + 'd, event: Event, task1: Task, task2: Task) -> Self {
+    pub fn new_one_to_two(ch: impl Peripheral<P = C> + 'd, event: Event, task1: Task, task2: Task) -> Self {
         Ppi::new_many_to_many(ch, [event], [task1, task2])
     }
 }
@@ -26,11 +26,11 @@ impl<'d, C: ConfigurableChannel, const EVENT_COUNT: usize, const TASK_COUNT: usi
     Ppi<'d, C, EVENT_COUNT, TASK_COUNT>
 {
     pub fn new_many_to_many(
-        ch: impl Unborrow<Target = C> + 'd,
+        ch: impl Peripheral<P = C> + 'd,
         events: [Event; EVENT_COUNT],
         tasks: [Task; TASK_COUNT],
     ) -> Self {
-        unborrow!(ch);
+        into_ref!(ch);
 
         let val = DPPI_ENABLE_BIT | (ch.number() as u32 & DPPI_CHANNEL_MASK);
         for task in tasks {
diff --git a/embassy-nrf/src/ppi/mod.rs b/embassy-nrf/src/ppi/mod.rs
index fd1d0cf8c..796de2170 100644
--- a/embassy-nrf/src/ppi/mod.rs
+++ b/embassy-nrf/src/ppi/mod.rs
@@ -17,9 +17,9 @@
 
 use core::ptr::NonNull;
 
-use embassy_hal_common::{impl_unborrow, Unborrowed};
+use embassy_hal_common::{impl_peripheral, PeripheralRef};
 
-use crate::{peripherals, Unborrow};
+use crate::{peripherals, Peripheral};
 
 #[cfg(feature = "_dppi")]
 mod dppi;
@@ -27,7 +27,7 @@ mod dppi;
 mod ppi;
 
 pub struct Ppi<'d, C: Channel, const EVENT_COUNT: usize, const TASK_COUNT: usize> {
-    ch: Unborrowed<'d, C>,
+    ch: PeripheralRef<'d, C>,
     #[cfg(feature = "_dppi")]
     events: [Event; EVENT_COUNT],
     #[cfg(feature = "_dppi")]
@@ -87,7 +87,7 @@ pub(crate) mod sealed {
     pub trait Group {}
 }
 
-pub trait Channel: sealed::Channel + Unborrow<Target = Self> + Sized {
+pub trait Channel: sealed::Channel + Peripheral<P = Self> + Sized {
     /// Returns the number of the channel
     fn number(&self) -> usize;
 }
@@ -117,7 +117,7 @@ pub trait Group: sealed::Group + Sized {
 pub struct AnyStaticChannel {
     pub(crate) number: u8,
 }
-impl_unborrow!(AnyStaticChannel);
+impl_peripheral!(AnyStaticChannel);
 impl sealed::Channel for AnyStaticChannel {}
 impl Channel for AnyStaticChannel {
     fn number(&self) -> usize {
@@ -135,7 +135,7 @@ impl StaticChannel for AnyStaticChannel {
 pub struct AnyConfigurableChannel {
     pub(crate) number: u8,
 }
-impl_unborrow!(AnyConfigurableChannel);
+impl_peripheral!(AnyConfigurableChannel);
 impl sealed::Channel for AnyConfigurableChannel {}
 impl Channel for AnyConfigurableChannel {
     fn number(&self) -> usize {
@@ -187,7 +187,7 @@ macro_rules! impl_ppi_channel {
 pub struct AnyGroup {
     number: u8,
 }
-impl_unborrow!(AnyGroup);
+impl_peripheral!(AnyGroup);
 impl sealed::Group for AnyGroup {}
 impl Group for AnyGroup {
     fn number(&self) -> usize {
diff --git a/embassy-nrf/src/ppi/ppi.rs b/embassy-nrf/src/ppi/ppi.rs
index 3b8f44da8..450a290a2 100644
--- a/embassy-nrf/src/ppi/ppi.rs
+++ b/embassy-nrf/src/ppi/ppi.rs
@@ -1,7 +1,7 @@
-use embassy_hal_common::unborrow;
+use embassy_hal_common::into_ref;
 
 use super::{Channel, ConfigurableChannel, Event, Ppi, StaticChannel, Task};
-use crate::{pac, Unborrow};
+use crate::{pac, Peripheral};
 
 impl Task {
     fn reg_val(&self) -> u32 {
@@ -20,8 +20,8 @@ fn regs() -> &'static pac::ppi::RegisterBlock {
 
 #[cfg(not(feature = "nrf51"))] // Not for nrf51 because of the fork task
 impl<'d, C: StaticChannel> Ppi<'d, C, 0, 1> {
-    pub fn new_zero_to_one(ch: impl Unborrow<Target = C> + 'd, task: Task) -> Self {
-        unborrow!(ch);
+    pub fn new_zero_to_one(ch: impl Peripheral<P = C> + 'd, task: Task) -> Self {
+        into_ref!(ch);
 
         let r = regs();
         let n = ch.number();
@@ -32,8 +32,8 @@ impl<'d, C: StaticChannel> Ppi<'d, C, 0, 1> {
 }
 
 impl<'d, C: ConfigurableChannel> Ppi<'d, C, 1, 1> {
-    pub fn new_one_to_one(ch: impl Unborrow<Target = C> + 'd, event: Event, task: Task) -> Self {
-        unborrow!(ch);
+    pub fn new_one_to_one(ch: impl Peripheral<P = C> + 'd, event: Event, task: Task) -> Self {
+        into_ref!(ch);
 
         let r = regs();
         let n = ch.number();
@@ -46,8 +46,8 @@ impl<'d, C: ConfigurableChannel> Ppi<'d, C, 1, 1> {
 
 #[cfg(not(feature = "nrf51"))] // Not for nrf51 because of the fork task
 impl<'d, C: ConfigurableChannel> Ppi<'d, C, 1, 2> {
-    pub fn new_one_to_two(ch: impl Unborrow<Target = C> + 'd, event: Event, task1: Task, task2: Task) -> Self {
-        unborrow!(ch);
+    pub fn new_one_to_two(ch: impl Peripheral<P = C> + 'd, event: Event, task1: Task, task2: Task) -> Self {
+        into_ref!(ch);
 
         let r = regs();
         let n = ch.number();
diff --git a/embassy-nrf/src/pwm.rs b/embassy-nrf/src/pwm.rs
index 050461ea5..603fd8efd 100644
--- a/embassy-nrf/src/pwm.rs
+++ b/embassy-nrf/src/pwm.rs
@@ -3,34 +3,34 @@
 use core::marker::PhantomData;
 use core::sync::atomic::{compiler_fence, Ordering};
 
-use embassy_hal_common::Unborrowed;
+use embassy_hal_common::PeripheralRef;
 
 use crate::gpio::sealed::Pin as _;
 use crate::gpio::{AnyPin, Pin as GpioPin, PselBits};
 use crate::interrupt::Interrupt;
 use crate::ppi::{Event, Task};
 use crate::util::slice_in_ram_or;
-use crate::{pac, Unborrow};
+use crate::{pac, Peripheral};
 
 /// SimplePwm is the traditional pwm interface you're probably used to, allowing
 /// to simply set a duty cycle across up to four channels.
 pub struct SimplePwm<'d, T: Instance> {
     phantom: PhantomData<&'d mut T>,
     duty: [u16; 4],
-    ch0: Option<Unborrowed<'d, AnyPin>>,
-    ch1: Option<Unborrowed<'d, AnyPin>>,
-    ch2: Option<Unborrowed<'d, AnyPin>>,
-    ch3: Option<Unborrowed<'d, AnyPin>>,
+    ch0: Option<PeripheralRef<'d, AnyPin>>,
+    ch1: Option<PeripheralRef<'d, AnyPin>>,
+    ch2: Option<PeripheralRef<'d, AnyPin>>,
+    ch3: Option<PeripheralRef<'d, AnyPin>>,
 }
 
 /// SequencePwm allows you to offload the updating of a sequence of duty cycles
 /// to up to four channels, as well as repeat that sequence n times.
 pub struct SequencePwm<'d, T: Instance> {
     phantom: PhantomData<&'d mut T>,
-    ch0: Option<Unborrowed<'d, AnyPin>>,
-    ch1: Option<Unborrowed<'d, AnyPin>>,
-    ch2: Option<Unborrowed<'d, AnyPin>>,
-    ch3: Option<Unborrowed<'d, AnyPin>>,
+    ch0: Option<PeripheralRef<'d, AnyPin>>,
+    ch1: Option<PeripheralRef<'d, AnyPin>>,
+    ch2: Option<PeripheralRef<'d, AnyPin>>,
+    ch3: Option<PeripheralRef<'d, AnyPin>>,
 }
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
@@ -51,59 +51,59 @@ impl<'d, T: Instance> SequencePwm<'d, T> {
     /// Create a new 1-channel PWM
     #[allow(unused_unsafe)]
     pub fn new_1ch(
-        pwm: impl Unborrow<Target = T> + 'd,
-        ch0: impl Unborrow<Target = impl GpioPin> + 'd,
+        pwm: impl Peripheral<P = T> + 'd,
+        ch0: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Result<Self, Error> {
-        unborrow_and_degrade!(ch0);
+        into_degraded_ref!(ch0);
         Self::new_inner(pwm, Some(ch0), None, None, None, config)
     }
 
     /// Create a new 2-channel PWM
     #[allow(unused_unsafe)]
     pub fn new_2ch(
-        pwm: impl Unborrow<Target = T> + 'd,
-        ch0: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch1: impl Unborrow<Target = impl GpioPin> + 'd,
+        pwm: impl Peripheral<P = T> + 'd,
+        ch0: impl Peripheral<P = impl GpioPin> + 'd,
+        ch1: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Result<Self, Error> {
-        unborrow_and_degrade!(ch0, ch1);
+        into_degraded_ref!(ch0, ch1);
         Self::new_inner(pwm, Some(ch0), Some(ch1), None, None, config)
     }
 
     /// Create a new 3-channel PWM
     #[allow(unused_unsafe)]
     pub fn new_3ch(
-        pwm: impl Unborrow<Target = T> + 'd,
-        ch0: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch1: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch2: impl Unborrow<Target = impl GpioPin> + 'd,
+        pwm: impl Peripheral<P = T> + 'd,
+        ch0: impl Peripheral<P = impl GpioPin> + 'd,
+        ch1: impl Peripheral<P = impl GpioPin> + 'd,
+        ch2: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Result<Self, Error> {
-        unborrow_and_degrade!(ch0, ch1, ch2);
+        into_degraded_ref!(ch0, ch1, ch2);
         Self::new_inner(pwm, Some(ch0), Some(ch1), Some(ch2), None, config)
     }
 
     /// Create a new 4-channel PWM
     #[allow(unused_unsafe)]
     pub fn new_4ch(
-        pwm: impl Unborrow<Target = T> + 'd,
-        ch0: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch1: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch2: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch3: impl Unborrow<Target = impl GpioPin> + 'd,
+        pwm: impl Peripheral<P = T> + 'd,
+        ch0: impl Peripheral<P = impl GpioPin> + 'd,
+        ch1: impl Peripheral<P = impl GpioPin> + 'd,
+        ch2: impl Peripheral<P = impl GpioPin> + 'd,
+        ch3: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Result<Self, Error> {
-        unborrow_and_degrade!(ch0, ch1, ch2, ch3);
+        into_degraded_ref!(ch0, ch1, ch2, ch3);
         Self::new_inner(pwm, Some(ch0), Some(ch1), Some(ch2), Some(ch3), config)
     }
 
     fn new_inner(
-        _pwm: impl Unborrow<Target = T> + 'd,
-        ch0: Option<Unborrowed<'d, AnyPin>>,
-        ch1: Option<Unborrowed<'d, AnyPin>>,
-        ch2: Option<Unborrowed<'d, AnyPin>>,
-        ch3: Option<Unborrowed<'d, AnyPin>>,
+        _pwm: impl Peripheral<P = T> + 'd,
+        ch0: Option<PeripheralRef<'d, AnyPin>>,
+        ch1: Option<PeripheralRef<'d, AnyPin>>,
+        ch2: Option<PeripheralRef<'d, AnyPin>>,
+        ch3: Option<PeripheralRef<'d, AnyPin>>,
         config: Config,
     ) -> Result<Self, Error> {
         let r = T::regs();
@@ -559,9 +559,9 @@ pub enum CounterMode {
 impl<'d, T: Instance> SimplePwm<'d, T> {
     /// Create a new 1-channel PWM
     #[allow(unused_unsafe)]
-    pub fn new_1ch(pwm: impl Unborrow<Target = T> + 'd, ch0: impl Unborrow<Target = impl GpioPin> + 'd) -> Self {
+    pub fn new_1ch(pwm: impl Peripheral<P = T> + 'd, ch0: impl Peripheral<P = impl GpioPin> + 'd) -> Self {
         unsafe {
-            unborrow_and_degrade!(ch0);
+            into_degraded_ref!(ch0);
             Self::new_inner(pwm, Some(ch0), None, None, None)
         }
     }
@@ -569,24 +569,24 @@ impl<'d, T: Instance> SimplePwm<'d, T> {
     /// Create a new 2-channel PWM
     #[allow(unused_unsafe)]
     pub fn new_2ch(
-        pwm: impl Unborrow<Target = T> + 'd,
-        ch0: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch1: impl Unborrow<Target = impl GpioPin> + 'd,
+        pwm: impl Peripheral<P = T> + 'd,
+        ch0: impl Peripheral<P = impl GpioPin> + 'd,
+        ch1: impl Peripheral<P = impl GpioPin> + 'd,
     ) -> Self {
-        unborrow_and_degrade!(ch0, ch1);
+        into_degraded_ref!(ch0, ch1);
         Self::new_inner(pwm, Some(ch0), Some(ch1), None, None)
     }
 
     /// Create a new 3-channel PWM
     #[allow(unused_unsafe)]
     pub fn new_3ch(
-        pwm: impl Unborrow<Target = T> + 'd,
-        ch0: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch1: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch2: impl Unborrow<Target = impl GpioPin> + 'd,
+        pwm: impl Peripheral<P = T> + 'd,
+        ch0: impl Peripheral<P = impl GpioPin> + 'd,
+        ch1: impl Peripheral<P = impl GpioPin> + 'd,
+        ch2: impl Peripheral<P = impl GpioPin> + 'd,
     ) -> Self {
         unsafe {
-            unborrow_and_degrade!(ch0, ch1, ch2);
+            into_degraded_ref!(ch0, ch1, ch2);
             Self::new_inner(pwm, Some(ch0), Some(ch1), Some(ch2), None)
         }
     }
@@ -594,24 +594,24 @@ impl<'d, T: Instance> SimplePwm<'d, T> {
     /// Create a new 4-channel PWM
     #[allow(unused_unsafe)]
     pub fn new_4ch(
-        pwm: impl Unborrow<Target = T> + 'd,
-        ch0: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch1: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch2: impl Unborrow<Target = impl GpioPin> + 'd,
-        ch3: impl Unborrow<Target = impl GpioPin> + 'd,
+        pwm: impl Peripheral<P = T> + 'd,
+        ch0: impl Peripheral<P = impl GpioPin> + 'd,
+        ch1: impl Peripheral<P = impl GpioPin> + 'd,
+        ch2: impl Peripheral<P = impl GpioPin> + 'd,
+        ch3: impl Peripheral<P = impl GpioPin> + 'd,
     ) -> Self {
         unsafe {
-            unborrow_and_degrade!(ch0, ch1, ch2, ch3);
+            into_degraded_ref!(ch0, ch1, ch2, ch3);
             Self::new_inner(pwm, Some(ch0), Some(ch1), Some(ch2), Some(ch3))
         }
     }
 
     fn new_inner(
-        _pwm: impl Unborrow<Target = T> + 'd,
-        ch0: Option<Unborrowed<'d, AnyPin>>,
-        ch1: Option<Unborrowed<'d, AnyPin>>,
-        ch2: Option<Unborrowed<'d, AnyPin>>,
-        ch3: Option<Unborrowed<'d, AnyPin>>,
+        _pwm: impl Peripheral<P = T> + 'd,
+        ch0: Option<PeripheralRef<'d, AnyPin>>,
+        ch1: Option<PeripheralRef<'d, AnyPin>>,
+        ch2: Option<PeripheralRef<'d, AnyPin>>,
+        ch3: Option<PeripheralRef<'d, AnyPin>>,
     ) -> Self {
         let r = T::regs();
 
@@ -799,7 +799,7 @@ pub(crate) mod sealed {
     }
 }
 
-pub trait Instance: Unborrow<Target = Self> + sealed::Instance + 'static {
+pub trait Instance: Peripheral<P = Self> + sealed::Instance + 'static {
     type Interrupt: Interrupt;
 }
 
diff --git a/embassy-nrf/src/qdec.rs b/embassy-nrf/src/qdec.rs
index da4f12606..2fb31fc2d 100644
--- a/embassy-nrf/src/qdec.rs
+++ b/embassy-nrf/src/qdec.rs
@@ -4,14 +4,14 @@ use core::marker::PhantomData;
 use core::task::Poll;
 
 use embassy::waitqueue::AtomicWaker;
-use embassy_hal_common::{unborrow, Unborrowed};
+use embassy_hal_common::{into_ref, PeripheralRef};
 use futures::future::poll_fn;
 
 use crate::gpio::sealed::Pin as _;
 use crate::gpio::{AnyPin, Pin as GpioPin};
 use crate::interrupt::InterruptExt;
 use crate::peripherals::QDEC;
-use crate::{interrupt, pac, Unborrow};
+use crate::{interrupt, pac, Peripheral};
 
 /// Quadrature decoder
 pub struct Qdec<'d> {
@@ -43,37 +43,37 @@ static WAKER: AtomicWaker = AtomicWaker::new();
 
 impl<'d> Qdec<'d> {
     pub fn new(
-        qdec: impl Unborrow<Target = QDEC> + 'd,
-        irq: impl Unborrow<Target = interrupt::QDEC> + 'd,
-        a: impl Unborrow<Target = impl GpioPin> + 'd,
-        b: impl Unborrow<Target = impl GpioPin> + 'd,
+        qdec: impl Peripheral<P = QDEC> + 'd,
+        irq: impl Peripheral<P = interrupt::QDEC> + 'd,
+        a: impl Peripheral<P = impl GpioPin> + 'd,
+        b: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(a, b);
+        into_degraded_ref!(a, b);
         Self::new_inner(qdec, irq, a, b, None, config)
     }
 
     pub fn new_with_led(
-        qdec: impl Unborrow<Target = QDEC> + 'd,
-        irq: impl Unborrow<Target = interrupt::QDEC> + 'd,
-        a: impl Unborrow<Target = impl GpioPin> + 'd,
-        b: impl Unborrow<Target = impl GpioPin> + 'd,
-        led: impl Unborrow<Target = impl GpioPin> + 'd,
+        qdec: impl Peripheral<P = QDEC> + 'd,
+        irq: impl Peripheral<P = interrupt::QDEC> + 'd,
+        a: impl Peripheral<P = impl GpioPin> + 'd,
+        b: impl Peripheral<P = impl GpioPin> + 'd,
+        led: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(a, b, led);
+        into_degraded_ref!(a, b, led);
         Self::new_inner(qdec, irq, a, b, Some(led), config)
     }
 
     fn new_inner(
-        _t: impl Unborrow<Target = QDEC> + 'd,
-        irq: impl Unborrow<Target = interrupt::QDEC> + 'd,
-        a: Unborrowed<'d, AnyPin>,
-        b: Unborrowed<'d, AnyPin>,
-        led: Option<Unborrowed<'d, AnyPin>>,
+        _t: impl Peripheral<P = QDEC> + 'd,
+        irq: impl Peripheral<P = interrupt::QDEC> + 'd,
+        a: PeripheralRef<'d, AnyPin>,
+        b: PeripheralRef<'d, AnyPin>,
+        led: Option<PeripheralRef<'d, AnyPin>>,
         config: Config,
     ) -> Self {
-        unborrow!(irq);
+        into_ref!(irq);
         let r = Self::regs();
 
         // Select pins.
diff --git a/embassy-nrf/src/qspi.rs b/embassy-nrf/src/qspi.rs
index 2b987b465..51d9446a3 100644
--- a/embassy-nrf/src/qspi.rs
+++ b/embassy-nrf/src/qspi.rs
@@ -4,7 +4,7 @@ use core::ptr;
 use core::task::Poll;
 
 use embassy_hal_common::drop::DropBomb;
-use embassy_hal_common::{unborrow, Unborrowed};
+use embassy_hal_common::{into_ref, PeripheralRef};
 use futures::future::poll_fn;
 
 use crate::gpio::sealed::Pin as _;
@@ -13,7 +13,7 @@ use crate::interrupt::{Interrupt, InterruptExt};
 pub use crate::pac::qspi::ifconfig0::{
     ADDRMODE_A as AddressMode, PPSIZE_A as WritePageSize, READOC_A as ReadOpcode, WRITEOC_A as WriteOpcode,
 };
-use crate::{pac, Unborrow};
+use crate::{pac, Peripheral};
 
 // TODO
 // - config:
@@ -62,27 +62,27 @@ pub enum Error {
 }
 
 pub struct Qspi<'d, T: Instance, const FLASH_SIZE: usize> {
-    irq: Unborrowed<'d, T::Interrupt>,
+    irq: PeripheralRef<'d, T::Interrupt>,
     dpm_enabled: bool,
 }
 
 impl<'d, T: Instance, const FLASH_SIZE: usize> Qspi<'d, T, FLASH_SIZE> {
     pub fn new(
-        _qspi: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        sck: impl Unborrow<Target = impl GpioPin> + 'd,
-        csn: impl Unborrow<Target = impl GpioPin> + 'd,
-        io0: impl Unborrow<Target = impl GpioPin> + 'd,
-        io1: impl Unborrow<Target = impl GpioPin> + 'd,
-        io2: impl Unborrow<Target = impl GpioPin> + 'd,
-        io3: impl Unborrow<Target = impl GpioPin> + 'd,
+        _qspi: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        sck: impl Peripheral<P = impl GpioPin> + 'd,
+        csn: impl Peripheral<P = impl GpioPin> + 'd,
+        io0: impl Peripheral<P = impl GpioPin> + 'd,
+        io1: impl Peripheral<P = impl GpioPin> + 'd,
+        io2: impl Peripheral<P = impl GpioPin> + 'd,
+        io3: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Qspi<'d, T, FLASH_SIZE> {
-        unborrow!(irq, sck, csn, io0, io1, io2, io3);
+        into_ref!(irq, sck, csn, io0, io1, io2, io3);
 
         let r = T::regs();
 
-        unborrow_and_degrade!(sck, csn, io0, io1, io2, io3);
+        into_degraded_ref!(sck, csn, io0, io1, io2, io3);
 
         for pin in [&sck, &csn, &io0, &io1, &io2, &io3] {
             pin.set_high();
@@ -528,7 +528,7 @@ pub(crate) mod sealed {
     }
 }
 
-pub trait Instance: Unborrow<Target = Self> + sealed::Instance + 'static {
+pub trait Instance: Peripheral<P = Self> + sealed::Instance + 'static {
     type Interrupt: Interrupt;
 }
 
diff --git a/embassy-nrf/src/rng.rs b/embassy-nrf/src/rng.rs
index 111a5424b..9bebd6fa3 100644
--- a/embassy-nrf/src/rng.rs
+++ b/embassy-nrf/src/rng.rs
@@ -4,12 +4,12 @@ use core::task::Poll;
 
 use embassy::waitqueue::AtomicWaker;
 use embassy_hal_common::drop::OnDrop;
-use embassy_hal_common::{unborrow, Unborrowed};
+use embassy_hal_common::{into_ref, PeripheralRef};
 use futures::future::poll_fn;
 
 use crate::interrupt::InterruptExt;
 use crate::peripherals::RNG;
-use crate::{interrupt, pac, Unborrow};
+use crate::{interrupt, pac, Peripheral};
 
 impl RNG {
     fn regs() -> &'static pac::rng::RegisterBlock {
@@ -33,7 +33,7 @@ struct State {
 ///
 /// It has a non-blocking API, and a blocking api through `rand`.
 pub struct Rng<'d> {
-    irq: Unborrowed<'d, interrupt::RNG>,
+    irq: PeripheralRef<'d, interrupt::RNG>,
 }
 
 impl<'d> Rng<'d> {
@@ -43,8 +43,8 @@ impl<'d> Rng<'d> {
     /// e.g. using `mem::forget`.
     ///
     /// The synchronous API is safe.
-    pub fn new(_rng: impl Unborrow<Target = RNG> + 'd, irq: impl Unborrow<Target = interrupt::RNG> + 'd) -> Self {
-        unborrow!(irq);
+    pub fn new(_rng: impl Peripheral<P = RNG> + 'd, irq: impl Peripheral<P = interrupt::RNG> + 'd) -> Self {
+        into_ref!(irq);
 
         let this = Self { irq };
 
diff --git a/embassy-nrf/src/saadc.rs b/embassy-nrf/src/saadc.rs
index 9c7207c84..644ffa1f0 100644
--- a/embassy-nrf/src/saadc.rs
+++ b/embassy-nrf/src/saadc.rs
@@ -5,7 +5,7 @@ use core::sync::atomic::{compiler_fence, Ordering};
 use core::task::Poll;
 
 use embassy::waitqueue::AtomicWaker;
-use embassy_hal_common::{impl_unborrow, unborrow};
+use embassy_hal_common::{impl_peripheral, into_ref};
 use futures::future::poll_fn;
 use pac::{saadc, SAADC};
 use saadc::ch::config::{GAIN_A, REFSEL_A, RESP_A, TACQ_A};
@@ -17,7 +17,7 @@ use saadc::resolution::VAL_A;
 use crate::interrupt::InterruptExt;
 use crate::ppi::{ConfigurableChannel, Event, Ppi, Task};
 use crate::timer::{Frequency, Instance as TimerInstance, Timer};
-use crate::{interrupt, pac, peripherals, Unborrow};
+use crate::{interrupt, pac, peripherals, Peripheral};
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
@@ -77,7 +77,7 @@ pub struct ChannelConfig<'d> {
 /// internal voltage.
 pub struct VddInput;
 
-impl_unborrow!(VddInput);
+impl_peripheral!(VddInput);
 
 impl sealed::Input for VddInput {
     #[cfg(not(feature = "_nrf9160"))]
@@ -97,7 +97,7 @@ impl Input for VddInput {}
 pub struct VddhDiv5Input;
 
 #[cfg(any(feature = "_nrf5340-app", feature = "nrf52833", feature = "nrf52840"))]
-impl_unborrow!(VddhDiv5Input);
+impl_peripheral!(VddhDiv5Input);
 
 #[cfg(any(feature = "_nrf5340-app", feature = "nrf52833", feature = "nrf52840"))]
 impl sealed::Input for VddhDiv5Input {
@@ -113,7 +113,7 @@ pub struct AnyInput {
     channel: InputChannel,
 }
 
-impl_unborrow!(AnyInput);
+impl_peripheral!(AnyInput);
 
 impl sealed::Input for AnyInput {
     fn channel(&self) -> InputChannel {
@@ -125,8 +125,8 @@ impl Input for AnyInput {}
 
 impl<'d> ChannelConfig<'d> {
     /// Default configuration for single ended channel sampling.
-    pub fn single_ended(input: impl Unborrow<Target = impl Input> + 'd) -> Self {
-        unborrow!(input);
+    pub fn single_ended(input: impl Peripheral<P = impl Input> + 'd) -> Self {
+        into_ref!(input);
         Self {
             reference: Reference::INTERNAL,
             gain: Gain::GAIN1_6,
@@ -139,10 +139,10 @@ impl<'d> ChannelConfig<'d> {
     }
     /// Default configuration for differential channel sampling.
     pub fn differential(
-        p_input: impl Unborrow<Target = impl Input> + 'd,
-        n_input: impl Unborrow<Target = impl Input> + 'd,
+        p_input: impl Peripheral<P = impl Input> + 'd,
+        n_input: impl Peripheral<P = impl Input> + 'd,
     ) -> Self {
-        unborrow!(p_input, n_input);
+        into_ref!(p_input, n_input);
         Self {
             reference: Reference::INTERNAL,
             gain: Gain::GAIN1_6,
@@ -167,12 +167,12 @@ pub enum SamplerState {
 
 impl<'d, const N: usize> Saadc<'d, N> {
     pub fn new(
-        _saadc: impl Unborrow<Target = peripherals::SAADC> + 'd,
-        irq: impl Unborrow<Target = interrupt::SAADC> + 'd,
+        _saadc: impl Peripheral<P = peripherals::SAADC> + 'd,
+        irq: impl Peripheral<P = interrupt::SAADC> + 'd,
         config: Config,
         channel_configs: [ChannelConfig; N],
     ) -> Self {
-        unborrow!(irq);
+        into_ref!(irq);
 
         let r = unsafe { &*SAADC::ptr() };
 
@@ -674,7 +674,7 @@ pub(crate) mod sealed {
 }
 
 /// An input that can be used as either or negative end of a ADC differential in the SAADC periperhal.
-pub trait Input: sealed::Input + Unborrow<Target = Self> + Sized {
+pub trait Input: sealed::Input + Peripheral<P = Self> + Sized {
     fn degrade_saadc(self) -> AnyInput {
         AnyInput {
             channel: self.channel(),
diff --git a/embassy-nrf/src/spim.rs b/embassy-nrf/src/spim.rs
index 889d04dc0..4bb0f445f 100644
--- a/embassy-nrf/src/spim.rs
+++ b/embassy-nrf/src/spim.rs
@@ -5,7 +5,7 @@ use core::sync::atomic::{compiler_fence, Ordering};
 use core::task::Poll;
 
 use embassy_embedded_hal::SetConfig;
-use embassy_hal_common::{unborrow, Unborrowed};
+use embassy_hal_common::{into_ref, PeripheralRef};
 pub use embedded_hal_02::spi::{Mode, Phase, Polarity, MODE_0, MODE_1, MODE_2, MODE_3};
 use futures::future::poll_fn;
 pub use pac::spim0::frequency::FREQUENCY_A as Frequency;
@@ -15,7 +15,7 @@ use crate::gpio::sealed::Pin as _;
 use crate::gpio::{self, AnyPin, Pin as GpioPin, PselBits};
 use crate::interrupt::{Interrupt, InterruptExt};
 use crate::util::{slice_in_ram_or, slice_ptr_parts, slice_ptr_parts_mut};
-use crate::{pac, Unborrow};
+use crate::{pac, Peripheral};
 
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 #[cfg_attr(feature = "defmt", derive(defmt::Format))]
@@ -53,48 +53,48 @@ impl Default for Config {
 
 impl<'d, T: Instance> Spim<'d, T> {
     pub fn new(
-        spim: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        sck: impl Unborrow<Target = impl GpioPin> + 'd,
-        miso: impl Unborrow<Target = impl GpioPin> + 'd,
-        mosi: impl Unborrow<Target = impl GpioPin> + 'd,
+        spim: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        sck: impl Peripheral<P = impl GpioPin> + 'd,
+        miso: impl Peripheral<P = impl GpioPin> + 'd,
+        mosi: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(sck, miso, mosi);
+        into_degraded_ref!(sck, miso, mosi);
         Self::new_inner(spim, irq, sck, Some(miso), Some(mosi), config)
     }
 
     pub fn new_txonly(
-        spim: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        sck: impl Unborrow<Target = impl GpioPin> + 'd,
-        mosi: impl Unborrow<Target = impl GpioPin> + 'd,
+        spim: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        sck: impl Peripheral<P = impl GpioPin> + 'd,
+        mosi: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(sck, mosi);
+        into_degraded_ref!(sck, mosi);
         Self::new_inner(spim, irq, sck, None, Some(mosi), config)
     }
 
     pub fn new_rxonly(
-        spim: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        sck: impl Unborrow<Target = impl GpioPin> + 'd,
-        miso: impl Unborrow<Target = impl GpioPin> + 'd,
+        spim: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        sck: impl Peripheral<P = impl GpioPin> + 'd,
+        miso: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(sck, miso);
+        into_degraded_ref!(sck, miso);
         Self::new_inner(spim, irq, sck, Some(miso), None, config)
     }
 
     fn new_inner(
-        _spim: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        sck: Unborrowed<'d, AnyPin>,
-        miso: Option<Unborrowed<'d, AnyPin>>,
-        mosi: Option<Unborrowed<'d, AnyPin>>,
+        _spim: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        sck: PeripheralRef<'d, AnyPin>,
+        miso: Option<PeripheralRef<'d, AnyPin>>,
+        mosi: Option<PeripheralRef<'d, AnyPin>>,
         config: Config,
     ) -> Self {
-        unborrow!(irq);
+        into_ref!(irq);
 
         let r = T::regs();
 
@@ -379,7 +379,7 @@ pub(crate) mod sealed {
     }
 }
 
-pub trait Instance: Unborrow<Target = Self> + sealed::Instance + 'static {
+pub trait Instance: Peripheral<P = Self> + sealed::Instance + 'static {
     type Interrupt: Interrupt;
 }
 
diff --git a/embassy-nrf/src/temp.rs b/embassy-nrf/src/temp.rs
index 0bb82a499..a3b25ce05 100644
--- a/embassy-nrf/src/temp.rs
+++ b/embassy-nrf/src/temp.rs
@@ -4,24 +4,24 @@ use core::task::Poll;
 
 use embassy::waitqueue::AtomicWaker;
 use embassy_hal_common::drop::OnDrop;
-use embassy_hal_common::{unborrow, Unborrowed};
+use embassy_hal_common::{into_ref, PeripheralRef};
 use fixed::types::I30F2;
 use futures::future::poll_fn;
 
 use crate::interrupt::InterruptExt;
 use crate::peripherals::TEMP;
-use crate::{interrupt, pac, Unborrow};
+use crate::{interrupt, pac, Peripheral};
 
 /// Integrated temperature sensor.
 pub struct Temp<'d> {
-    _irq: Unborrowed<'d, interrupt::TEMP>,
+    _irq: PeripheralRef<'d, interrupt::TEMP>,
 }
 
 static WAKER: AtomicWaker = AtomicWaker::new();
 
 impl<'d> Temp<'d> {
-    pub fn new(_t: impl Unborrow<Target = TEMP> + 'd, irq: impl Unborrow<Target = interrupt::TEMP> + 'd) -> Self {
-        unborrow!(_t, irq);
+    pub fn new(_t: impl Peripheral<P = TEMP> + 'd, irq: impl Peripheral<P = interrupt::TEMP> + 'd) -> Self {
+        into_ref!(_t, irq);
 
         // Enable interrupt that signals temperature values
         irq.disable();
diff --git a/embassy-nrf/src/timer.rs b/embassy-nrf/src/timer.rs
index c8c36dfae..d7a7c4d70 100644
--- a/embassy-nrf/src/timer.rs
+++ b/embassy-nrf/src/timer.rs
@@ -5,12 +5,12 @@ use core::task::Poll;
 
 use embassy::waitqueue::AtomicWaker;
 use embassy_hal_common::drop::OnDrop;
-use embassy_hal_common::unborrow;
+use embassy_hal_common::into_ref;
 use futures::future::poll_fn;
 
 use crate::interrupt::{Interrupt, InterruptExt};
 use crate::ppi::{Event, Task};
-use crate::{pac, Unborrow};
+use crate::{pac, Peripheral};
 
 pub(crate) mod sealed {
 
@@ -28,7 +28,7 @@ pub(crate) mod sealed {
     pub trait TimerType {}
 }
 
-pub trait Instance: Unborrow<Target = Self> + sealed::Instance + 'static + Send {
+pub trait Instance: Peripheral<P = Self> + sealed::Instance + 'static + Send {
     type Interrupt: Interrupt;
 }
 pub trait ExtendedInstance: Instance + sealed::ExtendedInstance {}
@@ -99,11 +99,8 @@ pub struct Timer<'d, T: Instance, I: TimerType = NotAwaitable> {
 }
 
 impl<'d, T: Instance> Timer<'d, T, Awaitable> {
-    pub fn new_awaitable(
-        timer: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-    ) -> Self {
-        unborrow!(irq);
+    pub fn new_awaitable(timer: impl Peripheral<P = T> + 'd, irq: impl Peripheral<P = T::Interrupt> + 'd) -> Self {
+        into_ref!(irq);
 
         irq.set_handler(Self::on_interrupt);
         irq.unpend();
@@ -117,7 +114,7 @@ impl<'d, T: Instance> Timer<'d, T, NotAwaitable> {
     ///
     /// This can be useful for triggering tasks via PPI
     /// `Uarte` uses this internally.
-    pub fn new(timer: impl Unborrow<Target = T> + 'd) -> Self {
+    pub fn new(timer: impl Peripheral<P = T> + 'd) -> Self {
         Self::new_irqless(timer)
     }
 }
@@ -126,7 +123,7 @@ impl<'d, T: Instance, I: TimerType> Timer<'d, T, I> {
     /// Create a `Timer` without an interrupt, meaning `Cc::wait` won't work.
     ///
     /// This is used by the public constructors.
-    fn new_irqless(_timer: impl Unborrow<Target = T> + 'd) -> Self {
+    fn new_irqless(_timer: impl Peripheral<P = T> + 'd) -> Self {
         let regs = T::regs();
 
         let mut this = Self { phantom: PhantomData };
diff --git a/embassy-nrf/src/twim.rs b/embassy-nrf/src/twim.rs
index 2088691b2..7699d2a71 100644
--- a/embassy-nrf/src/twim.rs
+++ b/embassy-nrf/src/twim.rs
@@ -16,14 +16,14 @@ use core::task::Poll;
 use embassy::time::{Duration, Instant};
 use embassy::waitqueue::AtomicWaker;
 use embassy_embedded_hal::SetConfig;
-use embassy_hal_common::unborrow;
+use embassy_hal_common::into_ref;
 use futures::future::poll_fn;
 
 use crate::chip::{EASY_DMA_SIZE, FORCE_COPY_BUFFER_SIZE};
 use crate::gpio::Pin as GpioPin;
 use crate::interrupt::{Interrupt, InterruptExt};
 use crate::util::{slice_in_ram, slice_in_ram_or};
-use crate::{gpio, pac, Unborrow};
+use crate::{gpio, pac, Peripheral};
 
 #[derive(Clone, Copy)]
 pub enum Frequency {
@@ -80,13 +80,13 @@ pub struct Twim<'d, T: Instance> {
 
 impl<'d, T: Instance> Twim<'d, T> {
     pub fn new(
-        _twim: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        sda: impl Unborrow<Target = impl GpioPin> + 'd,
-        scl: impl Unborrow<Target = impl GpioPin> + 'd,
+        _twim: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        sda: impl Peripheral<P = impl GpioPin> + 'd,
+        scl: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow!(irq, sda, scl);
+        into_ref!(irq, sda, scl);
 
         let r = T::regs();
 
@@ -707,7 +707,7 @@ pub(crate) mod sealed {
     }
 }
 
-pub trait Instance: Unborrow<Target = Self> + sealed::Instance + 'static {
+pub trait Instance: Peripheral<P = Self> + sealed::Instance + 'static {
     type Interrupt: Interrupt;
 }
 
diff --git a/embassy-nrf/src/uarte.rs b/embassy-nrf/src/uarte.rs
index d5ffb3159..a556d6b9c 100644
--- a/embassy-nrf/src/uarte.rs
+++ b/embassy-nrf/src/uarte.rs
@@ -18,7 +18,7 @@ use core::sync::atomic::{compiler_fence, Ordering};
 use core::task::Poll;
 
 use embassy_hal_common::drop::OnDrop;
-use embassy_hal_common::{unborrow, Unborrowed};
+use embassy_hal_common::{into_ref, PeripheralRef};
 use futures::future::poll_fn;
 use pac::uarte0::RegisterBlock;
 // Re-export SVD variants to allow user to directly set values.
@@ -31,7 +31,7 @@ use crate::interrupt::{Interrupt, InterruptExt};
 use crate::ppi::{AnyConfigurableChannel, ConfigurableChannel, Event, Ppi, Task};
 use crate::timer::{Frequency, Instance as TimerInstance, Timer};
 use crate::util::slice_in_ram_or;
-use crate::{pac, Unborrow};
+use crate::{pac, Peripheral};
 
 #[derive(Clone)]
 #[non_exhaustive]
@@ -83,40 +83,40 @@ pub struct UarteRx<'d, T: Instance> {
 impl<'d, T: Instance> Uarte<'d, T> {
     /// Create a new UARTE without hardware flow control
     pub fn new(
-        uarte: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        rxd: impl Unborrow<Target = impl GpioPin> + 'd,
-        txd: impl Unborrow<Target = impl GpioPin> + 'd,
+        uarte: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        rxd: impl Peripheral<P = impl GpioPin> + 'd,
+        txd: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(rxd, txd);
+        into_degraded_ref!(rxd, txd);
         Self::new_inner(uarte, irq, rxd, txd, None, None, config)
     }
 
     /// Create a new UARTE with hardware flow control (RTS/CTS)
     pub fn new_with_rtscts(
-        uarte: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        rxd: impl Unborrow<Target = impl GpioPin> + 'd,
-        txd: impl Unborrow<Target = impl GpioPin> + 'd,
-        cts: impl Unborrow<Target = impl GpioPin> + 'd,
-        rts: impl Unborrow<Target = impl GpioPin> + 'd,
+        uarte: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        rxd: impl Peripheral<P = impl GpioPin> + 'd,
+        txd: impl Peripheral<P = impl GpioPin> + 'd,
+        cts: impl Peripheral<P = impl GpioPin> + 'd,
+        rts: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(rxd, txd, cts, rts);
+        into_degraded_ref!(rxd, txd, cts, rts);
         Self::new_inner(uarte, irq, rxd, txd, Some(cts), Some(rts), config)
     }
 
     fn new_inner(
-        _uarte: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        rxd: Unborrowed<'d, AnyPin>,
-        txd: Unborrowed<'d, AnyPin>,
-        cts: Option<Unborrowed<'d, AnyPin>>,
-        rts: Option<Unborrowed<'d, AnyPin>>,
+        _uarte: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        rxd: PeripheralRef<'d, AnyPin>,
+        txd: PeripheralRef<'d, AnyPin>,
+        cts: Option<PeripheralRef<'d, AnyPin>>,
+        rts: Option<PeripheralRef<'d, AnyPin>>,
         config: Config,
     ) -> Self {
-        unborrow!(irq);
+        into_ref!(irq);
 
         let r = T::regs();
 
@@ -237,35 +237,35 @@ fn configure(r: &RegisterBlock, config: Config, hardware_flow_control: bool) {
 impl<'d, T: Instance> UarteTx<'d, T> {
     /// Create a new tx-only UARTE without hardware flow control
     pub fn new(
-        uarte: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        txd: impl Unborrow<Target = impl GpioPin> + 'd,
+        uarte: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        txd: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(txd);
+        into_degraded_ref!(txd);
         Self::new_inner(uarte, irq, txd, None, config)
     }
 
     /// Create a new tx-only UARTE with hardware flow control (RTS/CTS)
     pub fn new_with_rtscts(
-        uarte: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        txd: impl Unborrow<Target = impl GpioPin> + 'd,
-        cts: impl Unborrow<Target = impl GpioPin> + 'd,
+        uarte: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        txd: impl Peripheral<P = impl GpioPin> + 'd,
+        cts: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(txd, cts);
+        into_degraded_ref!(txd, cts);
         Self::new_inner(uarte, irq, txd, Some(cts), config)
     }
 
     fn new_inner(
-        _uarte: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        txd: Unborrowed<'d, AnyPin>,
-        cts: Option<Unborrowed<'d, AnyPin>>,
+        _uarte: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        txd: PeripheralRef<'d, AnyPin>,
+        cts: Option<PeripheralRef<'d, AnyPin>>,
         config: Config,
     ) -> Self {
-        unborrow!(irq);
+        into_ref!(irq);
 
         let r = T::regs();
 
@@ -429,35 +429,35 @@ impl<'a, T: Instance> Drop for UarteTx<'a, T> {
 impl<'d, T: Instance> UarteRx<'d, T> {
     /// Create a new rx-only UARTE without hardware flow control
     pub fn new(
-        uarte: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        rxd: impl Unborrow<Target = impl GpioPin> + 'd,
+        uarte: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        rxd: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(rxd);
+        into_degraded_ref!(rxd);
         Self::new_inner(uarte, irq, rxd, None, config)
     }
 
     /// Create a new rx-only UARTE with hardware flow control (RTS/CTS)
     pub fn new_with_rtscts(
-        uarte: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        rxd: impl Unborrow<Target = impl GpioPin> + 'd,
-        rts: impl Unborrow<Target = impl GpioPin> + 'd,
+        uarte: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        rxd: impl Peripheral<P = impl GpioPin> + 'd,
+        rts: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(rxd, rts);
+        into_degraded_ref!(rxd, rts);
         Self::new_inner(uarte, irq, rxd, Some(rts), config)
     }
 
     fn new_inner(
-        _uarte: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        rxd: Unborrowed<'d, AnyPin>,
-        rts: Option<Unborrowed<'d, AnyPin>>,
+        _uarte: impl Peripheral<P = T> + 'd,
+        irq: impl Peripheral<P = T::Interrupt> + 'd,
+        rxd: PeripheralRef<'d, AnyPin>,
+        rts: Option<PeripheralRef<'d, AnyPin>>,
         config: Config,
     ) -> Self {
-        unborrow!(irq);
+        into_ref!(irq);
 
         let r = T::regs();
 
@@ -668,33 +668,33 @@ pub struct UarteWithIdle<'d, U: Instance, T: TimerInstance> {
 impl<'d, U: Instance, T: TimerInstance> UarteWithIdle<'d, U, T> {
     /// Create a new UARTE without hardware flow control
     pub fn new(
-        uarte: impl Unborrow<Target = U> + 'd,
-        timer: impl Unborrow<Target = T> + 'd,
-        ppi_ch1: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
-        ppi_ch2: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
-        irq: impl Unborrow<Target = U::Interrupt> + 'd,
-        rxd: impl Unborrow<Target = impl GpioPin> + 'd,
-        txd: impl Unborrow<Target = impl GpioPin> + 'd,
+        uarte: impl Peripheral<P = U> + 'd,
+        timer: impl Peripheral<P = T> + 'd,
+        ppi_ch1: impl Peripheral<P = impl ConfigurableChannel + 'd> + 'd,
+        ppi_ch2: impl Peripheral<P = impl ConfigurableChannel + 'd> + 'd,
+        irq: impl Peripheral<P = U::Interrupt> + 'd,
+        rxd: impl Peripheral<P = impl GpioPin> + 'd,
+        txd: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(rxd, txd);
+        into_degraded_ref!(rxd, txd);
         Self::new_inner(uarte, timer, ppi_ch1, ppi_ch2, irq, rxd, txd, None, None, config)
     }
 
     /// Create a new UARTE with hardware flow control (RTS/CTS)
     pub fn new_with_rtscts(
-        uarte: impl Unborrow<Target = U> + 'd,
-        timer: impl Unborrow<Target = T> + 'd,
-        ppi_ch1: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
-        ppi_ch2: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
-        irq: impl Unborrow<Target = U::Interrupt> + 'd,
-        rxd: impl Unborrow<Target = impl GpioPin> + 'd,
-        txd: impl Unborrow<Target = impl GpioPin> + 'd,
-        cts: impl Unborrow<Target = impl GpioPin> + 'd,
-        rts: impl Unborrow<Target = impl GpioPin> + 'd,
+        uarte: impl Peripheral<P = U> + 'd,
+        timer: impl Peripheral<P = T> + 'd,
+        ppi_ch1: impl Peripheral<P = impl ConfigurableChannel + 'd> + 'd,
+        ppi_ch2: impl Peripheral<P = impl ConfigurableChannel + 'd> + 'd,
+        irq: impl Peripheral<P = U::Interrupt> + 'd,
+        rxd: impl Peripheral<P = impl GpioPin> + 'd,
+        txd: impl Peripheral<P = impl GpioPin> + 'd,
+        cts: impl Peripheral<P = impl GpioPin> + 'd,
+        rts: impl Peripheral<P = impl GpioPin> + 'd,
         config: Config,
     ) -> Self {
-        unborrow_and_degrade!(rxd, txd, cts, rts);
+        into_degraded_ref!(rxd, txd, cts, rts);
         Self::new_inner(
             uarte,
             timer,
@@ -710,15 +710,15 @@ impl<'d, U: Instance, T: TimerInstance> UarteWithIdle<'d, U, T> {
     }
 
     fn new_inner(
-        uarte: impl Unborrow<Target = U> + 'd,
-        timer: impl Unborrow<Target = T> + 'd,
-        ppi_ch1: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
-        ppi_ch2: impl Unborrow<Target = impl ConfigurableChannel + 'd> + 'd,
-        irq: impl Unborrow<Target = U::Interrupt> + 'd,
-        rxd: Unborrowed<'d, AnyPin>,
-        txd: Unborrowed<'d, AnyPin>,
-        cts: Option<Unborrowed<'d, AnyPin>>,
-        rts: Option<Unborrowed<'d, AnyPin>>,
+        uarte: impl Peripheral<P = U> + 'd,
+        timer: impl Peripheral<P = T> + 'd,
+        ppi_ch1: impl Peripheral<P = impl ConfigurableChannel + 'd> + 'd,
+        ppi_ch2: impl Peripheral<P = impl ConfigurableChannel + 'd> + 'd,
+        irq: impl Peripheral<P = U::Interrupt> + 'd,
+        rxd: PeripheralRef<'d, AnyPin>,
+        txd: PeripheralRef<'d, AnyPin>,
+        cts: Option<PeripheralRef<'d, AnyPin>>,
+        rts: Option<PeripheralRef<'d, AnyPin>>,
         config: Config,
     ) -> Self {
         let baudrate = config.baudrate;
@@ -726,7 +726,7 @@ impl<'d, U: Instance, T: TimerInstance> UarteWithIdle<'d, U, T> {
 
         let mut timer = Timer::new(timer);
 
-        unborrow!(ppi_ch1, ppi_ch2);
+        into_ref!(ppi_ch1, ppi_ch2);
 
         let r = U::regs();
 
@@ -939,7 +939,7 @@ pub(crate) mod sealed {
     }
 }
 
-pub trait Instance: Unborrow<Target = Self> + sealed::Instance + 'static + Send {
+pub trait Instance: Peripheral<P = Self> + sealed::Instance + 'static + Send {
     type Interrupt: Interrupt;
 }
 
diff --git a/embassy-nrf/src/usb.rs b/embassy-nrf/src/usb.rs
index a039427f1..eaecda570 100644
--- a/embassy-nrf/src/usb.rs
+++ b/embassy-nrf/src/usb.rs
@@ -7,7 +7,7 @@ use core::task::Poll;
 
 use cortex_m::peripheral::NVIC;
 use embassy::waitqueue::AtomicWaker;
-use embassy_hal_common::unborrow;
+use embassy_hal_common::into_ref;
 pub use embassy_usb;
 use embassy_usb::driver::{self, EndpointError, Event, Unsupported};
 use embassy_usb::types::{EndpointAddress, EndpointInfo, EndpointType, UsbDirection};
@@ -17,7 +17,7 @@ use pac::usbd::RegisterBlock;
 
 use crate::interrupt::{Interrupt, InterruptExt};
 use crate::util::slice_in_ram;
-use crate::{pac, Unborrow};
+use crate::{pac, Peripheral};
 
 const NEW_AW: AtomicWaker = AtomicWaker::new();
 static BUS_WAKER: AtomicWaker = NEW_AW;
@@ -166,12 +166,8 @@ impl UsbSupply for SignalledSupply {
 }
 
 impl<'d, T: Instance, P: UsbSupply> Driver<'d, T, P> {
-    pub fn new(
-        _usb: impl Unborrow<Target = T> + 'd,
-        irq: impl Unborrow<Target = T::Interrupt> + 'd,
-        usb_supply: P,
-    ) -> Self {
-        unborrow!(irq);
+    pub fn new(_usb: impl Peripheral<P = T> + 'd, irq: impl Peripheral<P = T::Interrupt> + 'd, usb_supply: P) -> Self {
+        into_ref!(irq);
         irq.set_handler(Self::on_interrupt);
         irq.unpend();
         irq.enable();
@@ -950,7 +946,7 @@ pub(crate) mod sealed {
     }
 }
 
-pub trait Instance: Unborrow<Target = Self> + sealed::Instance + 'static + Send {
+pub trait Instance: Peripheral<P = Self> + sealed::Instance + 'static + Send {
     type Interrupt: Interrupt;
 }