diff --git a/Cargo.toml b/Cargo.toml
index c2ceaec0..1404045f 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -96,7 +96,7 @@ stm32l4a6 = [ "stm32l4/stm32l4x6" ]
 # L4+ series PAC support??
 #stm32l4p5 = [ "stm32l4/stm32l4x5" ]
 #stm32l4q5 = [ "stm32l4/stm32l4x5" ]
-#stm32l4r5 = [ "stm32l4/stm32l4x5" ]
+stm32l4r5 = [ "stm32l4/stm32l4r5" ]
 #stm32l4s5 = [ "stm32l4/stm32l4x5" ]
 
 # L4x7
diff --git a/src/dma.rs b/src/dma.rs
index 160dfd69..d2eb2985 100644
--- a/src/dma.rs
+++ b/src/dma.rs
@@ -647,7 +647,7 @@ macro_rules! dma {
                         #[cfg(not(any(
                             // feature = "stm32l4p5",
                             // feature = "stm32l4q5",
-                            // feature = "stm32l4r5",
+                            feature = "stm32l4r5",
                             // feature = "stm32l4s5",
                             // feature = "stm32l4r7",
                             // feature = "stm32l4s7",
@@ -1085,7 +1085,7 @@ macro_rules! dma {
                         #[cfg(any(
                             // feature = "stm32l4p5",
                             // feature = "stm32l4q5",
-                            // feature = "stm32l4r5",
+                            feature = "stm32l4r5",
                             // feature = "stm32l4s5",
                             // feature = "stm32l4r7",
                             // feature = "stm32l4s7",
diff --git a/src/dmamux.rs b/src/dmamux.rs
index 83bed1c2..edd9c9e6 100644
--- a/src/dmamux.rs
+++ b/src/dmamux.rs
@@ -11,7 +11,7 @@ use crate::dma::{dma1, dma2};
 #[cfg(any(
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -132,7 +132,7 @@ pub enum DmaInput {
 #[cfg(any(
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -240,7 +240,7 @@ enum DMAREQ_ID_A {
 #[cfg(any(
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -256,7 +256,7 @@ impl From<DMAREQ_ID_A> for u8 {
 #[cfg(any(
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -372,7 +372,7 @@ impl TryFrom<DmaInput> for DMAREQ_ID_A {
 #[cfg(not(any(
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -419,7 +419,7 @@ macro_rules! cselr {
 #[cfg(not(any(
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -565,7 +565,7 @@ macro_rules! dmamux {
                     #[cfg(any(
                         // feature = "stm32l4p5",
                         // feature = "stm32l4q5",
-                        // feature = "stm32l4r5",
+                        feature = "stm32l4r5",
                         // feature = "stm32l4s5",
                         // feature = "stm32l4r7",
                         // feature = "stm32l4s7",
@@ -586,7 +586,7 @@ macro_rules! dmamux {
                     #[cfg(not(any(
                         // feature = "stm32l4p5",
                         // feature = "stm32l4q5",
-                        // feature = "stm32l4r5",
+                        feature = "stm32l4r5",
                         // feature = "stm32l4s5",
                         // feature = "stm32l4r7",
                         // feature = "stm32l4s7",
diff --git a/src/gpio.rs b/src/gpio.rs
index 88bf9db7..79fc9f6a 100644
--- a/src/gpio.rs
+++ b/src/gpio.rs
@@ -712,7 +712,7 @@ gpio!(GPIOE, gpioe, PEx, 'E', 4, [
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -747,7 +747,7 @@ gpio!(GPIOF, gpiof, PFx, 'F', 5, [
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -794,7 +794,7 @@ impl<const P: char> Gpio<P> {
                 feature = "stm32l4a6",
                 // feature = "stm32l4p5",
                 // feature = "stm32l4q5",
-                // feature = "stm32l4r5",
+                feature = "stm32l4r5",
                 // feature = "stm32l4s5",
                 // feature = "stm32l4r7",
                 // feature = "stm32l4s7",
@@ -812,7 +812,7 @@ impl<const P: char> Gpio<P> {
                 feature = "stm32l4a6",
                 // feature = "stm32l4p5",
                 // feature = "stm32l4q5",
-                // feature = "stm32l4r5",
+                feature = "stm32l4r5",
                 // feature = "stm32l4s5",
                 // feature = "stm32l4r7",
                 // feature = "stm32l4s7",
diff --git a/src/i2c.rs b/src/i2c.rs
index 7e8b5dc9..89eda5be 100644
--- a/src/i2c.rs
+++ b/src/i2c.rs
@@ -12,7 +12,7 @@ use crate::hal::blocking::i2c::{Read, Write, WriteRead};
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -208,7 +208,7 @@ hal!(I2C3, i2c3);
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -613,7 +613,7 @@ mod stm32l4x6_pins {
 #[cfg(any(
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
diff --git a/src/lib.rs b/src/lib.rs
index 3668ad6a..f82ec232 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -30,7 +30,7 @@
     // note L4+ PAC support is mostly missing so other than r9/s9 these features don't actually exist yet
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -44,7 +44,8 @@ This crate requires one of the following features enabled:
     stm32l431, stm32l451, stm32l471
     stm32l412, stm32l422, stm32l432, stm32l442, stm32l452, stm32l462
     stm32l433, stm32l443
-    stm32l475, 
+    stm32l475,
+    stm32l4r5,
     stm32l476, stm32l486, stm32l496, stm32l4a6
     stm32l4r9, stm32l4s9
 "
@@ -110,6 +111,9 @@ pub use stm32l4::stm32l4x5 as pac;
 ))]
 pub use stm32l4::stm32l4x6 as pac;
 
+#[cfg(any(feature = "stm32l4r5"))]
+pub use stm32l4::stm32l4r5 as pac;
+
 #[cfg(any(feature = "stm32l4r9", feature = "stm32l4s9",))]
 pub use stm32l4::stm32l4r9 as pac;
 
@@ -123,7 +127,7 @@ pub mod traits;
 
 #[cfg(not(any(feature = "stm32l4r9", feature = "stm32l4s9",)))]
 pub mod adc;
-#[cfg(not(any(feature = "stm32l4r9", feature = "stm32l4s9",)))]
+#[cfg(not(any(feature = "stm32lr5", feature = "stm32l4r9", feature = "stm32l4s9",)))]
 #[cfg(not(any(feature = "stm32l412",)))]
 pub mod can;
 pub mod crc;
@@ -152,6 +156,7 @@ pub mod pwr;
 #[cfg(not(any(
     feature = "stm32l433",
     feature = "stm32l443",
+    feature = "stm32l4r5",
     feature = "stm32l4r9",
     feature = "stm32l4s9",
 )))]
diff --git a/src/rcc/enable.rs b/src/rcc/enable.rs
index 79c9baa0..08fa8515 100644
--- a/src/rcc/enable.rs
+++ b/src/rcc/enable.rs
@@ -143,7 +143,7 @@ bus! {
 #[cfg(not(any(
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -161,10 +161,17 @@ bus! {
 }
 
 // L4+
+#[cfg(any(feature = "stm32l4r5"))]
+bus! {
+    ADC1 => (AHB2, adcen, adcfssmen, adcrst), // 13
+
+    FIREWALL => (APB2, fwen,,), // 7
+    LTCD => (APB2, ltdcen, ltdcsmen, ltdcrst), // 26
+}
+
 #[cfg(any(
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -188,7 +195,7 @@ bus! {
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -257,7 +264,7 @@ bus! {
     feature = "stm32l443",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -324,7 +331,7 @@ bus! {
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -361,7 +368,7 @@ bus! {
 #[cfg(any(
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
diff --git a/src/serial.rs b/src/serial.rs
index 2e36c7b4..4a18de9d 100644
--- a/src/serial.rs
+++ b/src/serial.rs
@@ -35,7 +35,7 @@ use crate::time::{Bps, U32Ext};
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -869,7 +869,7 @@ hal! {
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -890,7 +890,7 @@ hal! {
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -1046,7 +1046,7 @@ impl_pin_traits! {
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -1074,7 +1074,7 @@ impl_pin_traits! {
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
diff --git a/src/spi.rs b/src/spi.rs
index b29cb8ab..428452a2 100644
--- a/src/spi.rs
+++ b/src/spi.rs
@@ -277,7 +277,7 @@ use crate::gpio::gpiod::*;
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -307,7 +307,7 @@ pins!(SPI1, 5,
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
@@ -340,7 +340,7 @@ pins!(SPI3, 6,
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
diff --git a/src/timer.rs b/src/timer.rs
index 739966fe..aecee2c3 100644
--- a/src/timer.rs
+++ b/src/timer.rs
@@ -44,7 +44,7 @@ use crate::stm32::{TIM15, TIM16, TIM2, TIM6};
     feature = "stm32l4a6",
     // feature = "stm32l4p5",
     // feature = "stm32l4q5",
-    // feature = "stm32l4r5",
+    feature = "stm32l4r5",
     // feature = "stm32l4s5",
     // feature = "stm32l4r7",
     // feature = "stm32l4s7",
diff --git a/src/watchdog.rs b/src/watchdog.rs
index de60d9c9..0a535b5d 100644
--- a/src/watchdog.rs
+++ b/src/watchdog.rs
@@ -39,6 +39,8 @@ impl IndependentWatchdog {
             feature = "stm32l462",
             feature = "stm32l433",
             feature = "stm32l443",
+            feature = "stm32l4r5",
+            feature = "stm32l4r9",
         ))]
         dbgmcu.apb1fzr1.modify(|_, w| w.dbg_iwdg_stop().bit(stop));
         #[cfg(not(any(
@@ -53,6 +55,8 @@ impl IndependentWatchdog {
             feature = "stm32l462",
             feature = "stm32l433",
             feature = "stm32l443",
+            feature = "stm32l4r5",
+            feature = "stm32l4r9",
         )))]
         dbgmcu.apb1_fzr1.modify(|_, w| w.dbg_iwdg_stop().bit(stop));
     }