diff --git a/embassy-nrf/Cargo.toml b/embassy-nrf/Cargo.toml
index aa377580..d8bac322 100644
--- a/embassy-nrf/Cargo.toml
+++ b/embassy-nrf/Cargo.toml
@@ -4,6 +4,14 @@ version = "0.1.0"
 authors = ["Dario Nieuwenhuis <dirbaio@dirbaio.net>"]
 edition = "2018"
 
+[package.metadata.embassy_docs]
+features = ["nightly", "defmt", "unstable-pac", "unstable-traits", "gpiote", "time-driver-rtc1"]
+flavors = [
+    { regex_feature = "nrf52.*", target = "thumbv7em-none-eabihf" },
+    { regex_feature = "nrf53.*", target = "thumbv8m.main-none-eabihf" },
+    { regex_feature = "nrf91.*", target = "thumbv8m.main-none-eabihf" },
+]
+
 [features]
 
 # Enable nightly-only features
diff --git a/embassy-stm32/Cargo.toml b/embassy-stm32/Cargo.toml
index e45dfbac..116bba2a 100644
--- a/embassy-stm32/Cargo.toml
+++ b/embassy-stm32/Cargo.toml
@@ -5,6 +5,29 @@ authors = ["Dario Nieuwenhuis <dirbaio@dirbaio.net>"]
 edition = "2018"
 resolver = "2"
 
+[package.metadata.embassy_docs]
+# TODO: sdmmc
+# TODO: net
+# TODO: subghz
+features = ["nightly", "defmt", "unstable-pac", "unstable-traits", "exti", "time-driver-any"]
+flavors = [
+    { regex_feature = "stm32f0.*", target = "thumbv6m-none-eabi" },
+    { regex_feature = "stm32f1.*", target = "thumbv7m-none-eabi" },
+    { regex_feature = "stm32f2.*", target = "thumbv7m-none-eabi" },
+    { regex_feature = "stm32f3.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32f42.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32f7.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32g0.*", target = "thumbv6m-none-eabi" },
+    { regex_feature = "stm32g4.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32h7.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32l0.*", target = "thumbv6m-none-eabi" },
+    { regex_feature = "stm32l1.*", target = "thumbv7m-none-eabi" },
+    { regex_feature = "stm32l4.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32u5.*", target = "thumbv8m.main-none-eabihf" },
+    { regex_feature = "stm32wb.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32wl.*", target = "thumbv7em-none-eabi" },
+]
+
 [dependencies]
 embassy = { version = "0.1.0", path = "../embassy" }
 embassy-macros = { version = "0.1.0", path = "../embassy-macros", features = ["stm32"] }
diff --git a/embassy/Cargo.toml b/embassy/Cargo.toml
index 9a5467c6..9b7e7207 100644
--- a/embassy/Cargo.toml
+++ b/embassy/Cargo.toml
@@ -5,6 +5,20 @@ authors = ["Dario Nieuwenhuis <dirbaio@dirbaio.net>"]
 edition = "2018"
 resolver = "2"
 
+[package.metadata.embassy_docs]
+features = ["nightly", "defmt", "unstable-traits", "time", "time-tick-1mhz"]
+flavors = [
+    { name = "std",                       target = "x86_64-unknown-linux-gnu",   features = ["std"] },
+    { name = "wasm",                      target = "wasm32-unknown-unknown",     features = ["wasm"] },
+    { name = "thumbv6m-none-eabi",        target = "thumbv6m-none-eabi",         features = [] },
+    { name = "thumbv7m-none-eabi",        target = "thumbv7m-none-eabi",         features = [] },
+    { name = "thumbv7em-none-eabi",       target = "thumbv7em-none-eabi",        features = [] },
+    { name = "thumbv7em-none-eabihf",     target = "thumbv7em-none-eabihf",      features = [] },
+    { name = "thumbv8m.base-none-eabi",   target = "thumbv8m.base-none-eabi",    features = [] },
+    { name = "thumbv8m.main-none-eabi",   target = "thumbv8m.main-none-eabi",    features = [] },
+    { name = "thumbv8m.main-none-eabihf", target = "thumbv8m.main-none-eabihf",  features = [] },
+]
+
 [features]
 default = []
 std = ["futures/std", "time", "time-tick-1mhz", "embassy-macros/std"]
diff --git a/stm32-metapac/Cargo.toml b/stm32-metapac/Cargo.toml
index c994797b..98249ec6 100644
--- a/stm32-metapac/Cargo.toml
+++ b/stm32-metapac/Cargo.toml
@@ -19,6 +19,27 @@ features = ["stm32h755zi-cm7", "pac", "metadata"]
 default-target = "thumbv7em-none-eabihf"
 targets = []
 
+[package.metadata.embassy_docs]
+features = ["pac", "metadata"]
+flavors = [
+    { regex_feature = "stm32f0.*", target = "thumbv6m-none-eabi" },
+    { regex_feature = "stm32f1.*", target = "thumbv7m-none-eabi" },
+    { regex_feature = "stm32f2.*", target = "thumbv7m-none-eabi" },
+    { regex_feature = "stm32f3.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32f4.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32f7.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32g0.*", target = "thumbv6m-none-eabi" },
+    { regex_feature = "stm32g4.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32h7.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32l0.*", target = "thumbv6m-none-eabi" },
+    { regex_feature = "stm32l1.*", target = "thumbv7m-none-eabi" },
+    { regex_feature = "stm32l4.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32l5.*", target = "thumbv8m.main-none-eabihf" },
+    { regex_feature = "stm32u5.*", target = "thumbv8m.main-none-eabihf" },
+    { regex_feature = "stm32wb.*", target = "thumbv7em-none-eabi" },
+    { regex_feature = "stm32wl.*", target = "thumbv7em-none-eabi" },
+]
+
 [dependencies]
 cortex-m = "0.7.3"
 cortex-m-rt = { version = ">=0.6.15,<0.8", optional = true }