stm32l4: Add to documentation build

Don't include any of the common files yet, we're only getting a stub framework
up for further work.

This is mostly noise adding links from the other families to make the l4
"exist"

31 files changed, 382 insertions, 1 deletions

diff --git a/doc/DoxygenLayout.xml b/doc/DoxygenLayout.xml
index ea54c494..98075380 100644
--- a/doc/DoxygenLayout.xml
+++ b/doc/DoxygenLayout.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/Makefile b/doc/Makefile
index 5b1ac1f9..a4b93fb1 100644
--- a/doc/Makefile
+++ b/doc/Makefile
@@ -4,7 +4,7 @@
 # (C) Ken Sarkies <ksarkies@internode.on.net>
 
 ARCHS := stm32f0 stm32f1 stm32f2 stm32f3 stm32f4 stm32f7
-ARCHS += stm32l0 stm32l1
+ARCHS += stm32l0 stm32l1 stm32l4
 ARCHS += efm32g efm32gg efm32lg efm32tg
 ARCHS += lm3s lm4f
 ARCHS += lpc13xx lpc17xx lpc43xx
diff --git a/doc/cm3/DoxygenLayout_cm3.xml b/doc/cm3/DoxygenLayout_cm3.xml
index 136c6bf5..8173b18e 100644
--- a/doc/cm3/DoxygenLayout_cm3.xml
+++ b/doc/cm3/DoxygenLayout_cm3.xml
@@ -13,6 +13,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/efm32g/DoxygenLayout_efm32g.xml b/doc/efm32g/DoxygenLayout_efm32g.xml
index 2738abda..8c1fae61 100644
--- a/doc/efm32g/DoxygenLayout_efm32g.xml
+++ b/doc/efm32g/DoxygenLayout_efm32g.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/efm32gg/DoxygenLayout_efm32gg.xml b/doc/efm32gg/DoxygenLayout_efm32gg.xml
index bc1a3302..2b3bcf2c 100644
--- a/doc/efm32gg/DoxygenLayout_efm32gg.xml
+++ b/doc/efm32gg/DoxygenLayout_efm32gg.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/efm32lg/DoxygenLayout_efm32lg.xml b/doc/efm32lg/DoxygenLayout_efm32lg.xml
index 3d58f090..7517a3b8 100644
--- a/doc/efm32lg/DoxygenLayout_efm32lg.xml
+++ b/doc/efm32lg/DoxygenLayout_efm32lg.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/efm32tg/DoxygenLayout_efm32tg.xml b/doc/efm32tg/DoxygenLayout_efm32tg.xml
index 5b1079a0..ac1cba91 100644
--- a/doc/efm32tg/DoxygenLayout_efm32tg.xml
+++ b/doc/efm32tg/DoxygenLayout_efm32tg.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/lm3s/DoxygenLayout_lm3s.xml b/doc/lm3s/DoxygenLayout_lm3s.xml
index f89e4da3..178c9078 100644
--- a/doc/lm3s/DoxygenLayout_lm3s.xml
+++ b/doc/lm3s/DoxygenLayout_lm3s.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="modules" visible="yes" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/lm4f/DoxygenLayout_lm4f.xml b/doc/lm4f/DoxygenLayout_lm4f.xml
index 7b3c7898..5e3fb0ad 100644
--- a/doc/lm4f/DoxygenLayout_lm4f.xml
+++ b/doc/lm4f/DoxygenLayout_lm4f.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="modules" visible="yes" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/lpc13xx/DoxygenLayout_lpc13xx.xml b/doc/lpc13xx/DoxygenLayout_lpc13xx.xml
index c35dc3c0..a21c8a8a 100644
--- a/doc/lpc13xx/DoxygenLayout_lpc13xx.xml
+++ b/doc/lpc13xx/DoxygenLayout_lpc13xx.xml
@@ -13,6 +13,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="modules" visible="yes" title="LPC13" intro=""/>
diff --git a/doc/lpc17xx/DoxygenLayout_lpc17xx.xml b/doc/lpc17xx/DoxygenLayout_lpc17xx.xml
index 7c151b11..e82a7def 100644
--- a/doc/lpc17xx/DoxygenLayout_lpc17xx.xml
+++ b/doc/lpc17xx/DoxygenLayout_lpc17xx.xml
@@ -13,6 +13,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/lpc43xx/DoxygenLayout_lpc43xx.xml b/doc/lpc43xx/DoxygenLayout_lpc43xx.xml
index 5e59dcf3..9c30b500 100644
--- a/doc/lpc43xx/DoxygenLayout_lpc43xx.xml
+++ b/doc/lpc43xx/DoxygenLayout_lpc43xx.xml
@@ -13,6 +13,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/sam3a/DoxygenLayout_sam3a.xml b/doc/sam3a/DoxygenLayout_sam3a.xml
index 00eff856..46af0ce5 100644
--- a/doc/sam3a/DoxygenLayout_sam3a.xml
+++ b/doc/sam3a/DoxygenLayout_sam3a.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/sam3n/DoxygenLayout_sam3n.xml b/doc/sam3n/DoxygenLayout_sam3n.xml
index eae8940e..4a5152c1 100644
--- a/doc/sam3n/DoxygenLayout_sam3n.xml
+++ b/doc/sam3n/DoxygenLayout_sam3n.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/sam3s/DoxygenLayout_sam3s.xml b/doc/sam3s/DoxygenLayout_sam3s.xml
index 240ca46c..71305c80 100644
--- a/doc/sam3s/DoxygenLayout_sam3s.xml
+++ b/doc/sam3s/DoxygenLayout_sam3s.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/sam3u/DoxygenLayout_sam3u.xml b/doc/sam3u/DoxygenLayout_sam3u.xml
index ca4a4e67..85023287 100644
--- a/doc/sam3u/DoxygenLayout_sam3u.xml
+++ b/doc/sam3u/DoxygenLayout_sam3u.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/sam3x/DoxygenLayout_sam3x.xml b/doc/sam3x/DoxygenLayout_sam3x.xml
index b17c38cd..da863df9 100644
--- a/doc/sam3x/DoxygenLayout_sam3x.xml
+++ b/doc/sam3x/DoxygenLayout_sam3x.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/stm32f0/DoxygenLayout_stm32f0.xml b/doc/stm32f0/DoxygenLayout_stm32f0.xml
index 577cb951..0bdde1f0 100644
--- a/doc/stm32f0/DoxygenLayout_stm32f0.xml
+++ b/doc/stm32f0/DoxygenLayout_stm32f0.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/stm32f1/DoxygenLayout_stm32f1.xml b/doc/stm32f1/DoxygenLayout_stm32f1.xml
index ccd68760..20e26e5e 100644
--- a/doc/stm32f1/DoxygenLayout_stm32f1.xml
+++ b/doc/stm32f1/DoxygenLayout_stm32f1.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/stm32f2/DoxygenLayout_stm32f2.xml b/doc/stm32f2/DoxygenLayout_stm32f2.xml
index 485af00d..1b23e833 100644
--- a/doc/stm32f2/DoxygenLayout_stm32f2.xml
+++ b/doc/stm32f2/DoxygenLayout_stm32f2.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/stm32f3/DoxygenLayout_stm32f3.xml b/doc/stm32f3/DoxygenLayout_stm32f3.xml
index abdbf8e3..814011b2 100644
--- a/doc/stm32f3/DoxygenLayout_stm32f3.xml
+++ b/doc/stm32f3/DoxygenLayout_stm32f3.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/stm32f4/DoxygenLayout_stm32f4.xml b/doc/stm32f4/DoxygenLayout_stm32f4.xml
index 4dcd0918..3fcef60c 100644
--- a/doc/stm32f4/DoxygenLayout_stm32f4.xml
+++ b/doc/stm32f4/DoxygenLayout_stm32f4.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/stm32f7/DoxygenLayout_stm32f7.xml b/doc/stm32f7/DoxygenLayout_stm32f7.xml
index 067c4b8a..a44fbaf0 100644
--- a/doc/stm32f7/DoxygenLayout_stm32f7.xml
+++ b/doc/stm32f7/DoxygenLayout_stm32f7.xml
@@ -14,6 +14,7 @@
     <tab type="modules" visible="yes" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/stm32l0/DoxygenLayout_stm32l0.xml b/doc/stm32l0/DoxygenLayout_stm32l0.xml
index f7e1add3..a50ef37f 100644
--- a/doc/stm32l0/DoxygenLayout_stm32l0.xml
+++ b/doc/stm32l0/DoxygenLayout_stm32l0.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="modules" visible="yes" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/stm32l1/DoxygenLayout_stm32l1.xml b/doc/stm32l1/DoxygenLayout_stm32l1.xml
index 039ec48c..b2d19af9 100644
--- a/doc/stm32l1/DoxygenLayout_stm32l1.xml
+++ b/doc/stm32l1/DoxygenLayout_stm32l1.xml
@@ -14,6 +14,7 @@
     <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="modules" visible="yes" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
diff --git a/doc/stm32l4/Doxyfile b/doc/stm32l4/Doxyfile
new file mode 100644
index 00000000..1fd89062
--- /dev/null
+++ b/doc/stm32l4/Doxyfile
@@ -0,0 +1,39 @@
+# HTML Documentation for STM32L4 code level
+
+# 15 December 2012
+# (C) Ken Sarkies <ksarkies@internode.on.net>
+
+#---------------------------------------------------------------------------
+# Common Include File
+#---------------------------------------------------------------------------
+
+@INCLUDE 	       = ../Doxyfile_common
+
+#---------------------------------------------------------------------------
+# Local settings
+#---------------------------------------------------------------------------
+
+WARN_LOGFILE           = doxygen_stm32l4.log
+
+INPUT		= ../../include/libopencm3/license.dox
+INPUT		+=../../include/libopencm3/stm32/l4
+#INPUT		+=../../include/libopencm3/stm32/common
+
+INPUT		+=../../lib/stm32/l4
+#INPUT		+=../../lib/stm32/common
+
+# No headers to exclude until we include some!
+EXCLUDE		=
+
+# No libs to exclude until we include some!
+EXCLUDE		 =
+
+EXCLUDE_PATTERNS       =
+
+LAYOUT_FILE 	       = DoxygenLayout_stm32l4.xml
+
+GENERATE_TAGFILE       = stm32l4.tag
+
+ENABLE_PREPROCESSING   = YES
+
+
diff --git a/doc/stm32l4/Doxyfile_latex b/doc/stm32l4/Doxyfile_latex
new file mode 100644
index 00000000..c03cb756
--- /dev/null
+++ b/doc/stm32l4/Doxyfile_latex
@@ -0,0 +1,38 @@
+# LaTeX Documentation for STM32L4 code level
+
+# 15 September 2014
+# (C) Ken Sarkies <ksarkies@internode.on.net>
+
+#---------------------------------------------------------------------------
+# Common Include File
+#---------------------------------------------------------------------------
+
+@INCLUDE 			   = ../Doxyfile_common
+
+#---------------------------------------------------------------------------
+# Local settings
+#---------------------------------------------------------------------------
+
+WARN_LOGFILE           = doxygen_stm32l4_latex.log
+
+INPUT		=  ../../include/libopencm3/docmain.dox
+INPUT		+= ../../include/libopencm3/license.dox \
+INPUT		+= ../../include/libopencm3/stm32/l4 \
+INPUT		+= ../../include/libopencm3/stm32/common
+INPUT		+= ../../lib/stm32/l4
+INPUT		+= ../../lib/stm32/common
+
+EXCLUDE		=  ../../include/libopencm3/stm32/l4/doc-stm32l4.h
+EXCLUDE		+= ../../include/libopencm3/stm32/common/gpio_common_f24.h
+EXCLUDE		+= ../../lib/stm32/common/gpio_common_f24.c
+
+EXCLUDE_PATTERNS       = 
+
+LAYOUT_FILE		= DoxygenLayout_stm32l4.xml
+
+GENERATE_HTML		= NO
+
+GENERATE_LATEX		= YES
+
+LATEX_HEADER		= header_stm32l4.tex
+
diff --git a/doc/stm32l4/DoxygenLayout_stm32l4.xml b/doc/stm32l4/DoxygenLayout_stm32l4.xml
new file mode 100644
index 00000000..2049aff0
--- /dev/null
+++ b/doc/stm32l4/DoxygenLayout_stm32l4.xml
@@ -0,0 +1,210 @@
+<doxygenlayout version="1.0">
+  <!-- Navigation index tabs for HTML output -->
+  <navindex>
+    <tab type="mainpage" visible="yes" title="libopencm3"/>
+    <tab type="pages" visible="yes" title="General Information" intro=""/>
+    <tab type="user" visible="yes" url="../../html/index.html" title="Back to Top" intro=""/>
+    <tab type="user" visible="yes" url="../../cm3/html/modules.html" title="CM3 Core" intro=""/>
+    <tab type="user" visible="yes" url="../../usb/html/modules.html" title="Generic USB" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32f0/html/modules.html" title="STM32F0" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32f1/html/modules.html" title="STM32F1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32f2/html/modules.html" title="STM32F2" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32f3/html/modules.html" title="STM32F3" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32f4/html/modules.html" title="STM32F4" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32f7/html/modules.html" title="STM32F7" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="modules" visible="yes" title="STM32L4" intro=""/>
+    <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
+    <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
+    <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>
+    <tab type="user" visible="yes" url="../../lpc17xx/html/modules.html" title="LPC17" intro=""/>
+    <tab type="user" visible="yes" url="../../lpc43xx/html/modules.html" title="LPC43" intro=""/>
+    <tab type="user" visible="yes" url="../../efm32g/html/modules.html" title="EFM32 Gecko" intro=""/>
+    <tab type="user" visible="yes" url="../../efm32gg/html/modules.html" title="EFM32 Giant Gecko" intro=""/>
+    <tab type="user" visible="yes" url="../../efm32lg/html/modules.html" title="EFM32 Leopard Gecko" intro=""/>
+    <tab type="user" visible="yes" url="../../efm32tg/html/modules.html" title="EFM32 Tiny Gecko" intro=""/>
+    <tab type="user" visible="yes" url="../../sam3a/html/modules.html" title="SAM3A" intro=""/>
+    <tab type="user" visible="yes" url="../../sam3n/html/modules.html" title="SAM3N" intro=""/>
+    <tab type="user" visible="yes" url="../../sam3s/html/modules.html" title="SAM3S" intro=""/>
+    <tab type="user" visible="yes" url="../../sam3u/html/modules.html" title="SAM3U" intro=""/>
+    <tab type="user" visible="yes" url="../../sam3x/html/modules.html" title="SAM3X" intro=""/>
+    <tab type="user" visible="yes" url="../../vf6xx/html/modules.html" title="VF6XX" intro=""/>
+    <tab type="namespaces" visible="yes" title="">
+      <tab type="namespaces" visible="yes" title="" intro=""/>
+      <tab type="namespacemembers" visible="yes" title="" intro=""/>
+    </tab>
+    <tab type="classes" visible="yes" title="">
+      <tab type="classes" visible="yes" title="" intro=""/>
+      <tab type="classindex" visible="$ALPHABETICAL_INDEX" title=""/> 
+      <tab type="hierarchy" visible="yes" title="" intro=""/>
+      <tab type="classmembers" visible="yes" title="" intro=""/>
+    </tab>
+    <tab type="files" visible="yes" title="">
+      <tab type="files" visible="yes" title="" intro=""/>
+      <tab type="globals" visible="yes" title="" intro=""/>
+    </tab>
+    <tab type="examples" visible="yes" title="" intro=""/>  
+  </navindex>
+
+  <!-- Layout definition for a class page -->
+  <class>
+    <briefdescription visible="yes"/>
+    <includes visible="$SHOW_INCLUDE_FILES"/>
+    <inheritancegraph visible="$CLASS_GRAPH"/>
+    <collaborationgraph visible="$COLLABORATION_GRAPH"/>
+    <allmemberslink visible="yes"/>
+    <memberdecl>
+      <nestedclasses visible="yes" title=""/>
+      <publictypes title=""/>
+      <publicslots title=""/>
+      <signals title=""/>
+      <publicmethods title=""/>
+      <publicstaticmethods title=""/>
+      <publicattributes title=""/>
+      <publicstaticattributes title=""/>
+      <protectedtypes title=""/>
+      <protectedslots title=""/>
+      <protectedmethods title=""/>
+      <protectedstaticmethods title=""/>
+      <protectedattributes title=""/>
+      <protectedstaticattributes title=""/>
+      <packagetypes title=""/>
+      <packagemethods title=""/>
+      <packagestaticmethods title=""/>
+      <packageattributes title=""/>
+      <packagestaticattributes title=""/>
+      <properties title=""/>
+      <events title=""/>
+      <privatetypes title=""/>
+      <privateslots title=""/>
+      <privatemethods title=""/>
+      <privatestaticmethods title=""/>
+      <privateattributes title=""/>
+      <privatestaticattributes title=""/>
+      <friends title=""/>
+      <related title="" subtitle=""/>
+      <membergroups visible="yes"/>
+    </memberdecl>
+    <detaileddescription title=""/>
+    <memberdef>
+      <typedefs title=""/>
+      <enums title=""/>
+      <constructors title=""/>
+      <functions title=""/>
+      <related title=""/>
+      <variables title=""/>
+      <properties title=""/>
+      <events title=""/>
+    </memberdef>
+    <usedfiles visible="$SHOW_USED_FILES"/>
+    <authorsection visible="yes"/>
+  </class>
+
+  <!-- Layout definition for a namespace page -->
+  <namespace>
+    <briefdescription visible="yes"/>
+    <memberdecl>
+      <nestednamespaces visible="yes" title=""/>
+      <classes visible="yes" title=""/>
+      <typedefs title=""/>
+      <enums title=""/>
+      <functions title=""/>
+      <variables title=""/>
+      <membergroups visible="yes"/>
+    </memberdecl>
+    <detaileddescription title=""/>
+    <memberdef>
+      <typedefs title=""/>
+      <enums title=""/>
+      <functions title=""/>
+      <variables title=""/>
+    </memberdef>
+    <authorsection visible="yes"/>
+  </namespace>
+
+  <!-- Layout definition for a file page -->
+  <file>
+    <briefdescription visible="yes"/>
+    <includes visible="$SHOW_INCLUDE_FILES"/>
+    <includegraph visible="$INCLUDE_GRAPH"/>
+    <includedbygraph visible="$INCLUDED_BY_GRAPH"/>
+    <sourcelink visible="yes"/>
+    <memberdecl>
+      <classes visible="yes" title=""/>
+      <namespaces visible="yes" title=""/>
+      <defines title=""/>
+      <typedefs title=""/>
+      <enums title=""/>
+      <functions title=""/>
+      <variables title=""/>
+      <membergroups visible="yes"/>
+    </memberdecl>
+    <detaileddescription title=""/>
+    <memberdef>
+      <defines title=""/>
+      <typedefs title=""/>
+      <enums title=""/>
+      <functions title=""/>
+      <variables title=""/>
+    </memberdef>
+    <authorsection/>
+  </file>
+
+  <!-- Layout definition for a group page -->
+  <group>
+    <briefdescription visible="yes"/>
+    <groupgraph visible="$GROUP_GRAPHS"/>
+    <memberdecl>
+      <classes visible="yes" title=""/>
+      <namespaces visible="yes" title=""/>
+      <dirs visible="yes" title=""/>
+      <nestedgroups visible="yes" title=""/>
+      <files visible="yes" title=""/>
+      <defines title=""/>
+      <typedefs title=""/>
+      <enums title=""/>
+      <enumvalues title=""/>
+      <functions title=""/>
+      <variables title=""/>
+      <signals title=""/>
+      <publicslots title=""/>
+      <protectedslots title=""/>
+      <privateslots title=""/>
+      <events title=""/>
+      <properties title=""/>
+      <friends title=""/>
+      <membergroups visible="yes"/>
+    </memberdecl>
+    <detaileddescription title=""/>
+    <memberdef>
+      <pagedocs/>
+      <inlineclasses title=""/>
+      <defines title=""/>
+      <typedefs title=""/>
+      <enums title=""/>
+      <enumvalues title=""/>
+      <functions title=""/>
+      <variables title=""/>
+      <signals title=""/>
+      <publicslots title=""/>
+      <protectedslots title=""/>
+      <privateslots title=""/>
+      <events title=""/>
+      <properties title=""/>
+      <friends title=""/>
+    </memberdef>
+    <authorsection visible="yes"/>
+  </group>
+
+  <!-- Layout definition for a directory page -->
+  <directory>
+    <briefdescription visible="yes"/>
+    <directorygraph visible="yes"/>
+    <memberdecl>
+      <dirs visible="yes"/>
+      <files visible="yes"/>
+    </memberdecl>
+    <detaileddescription title=""/>
+  </directory>
+</doxygenlayout>
diff --git a/doc/stm32l4/header_stm32l4.tex b/doc/stm32l4/header_stm32l4.tex
new file mode 100644
index 00000000..4ff6359a
--- /dev/null
+++ b/doc/stm32l4/header_stm32l4.tex
@@ -0,0 +1,61 @@
+\documentclass{book}
+\usepackage[a4paper,top=2.5cm,bottom=2.5cm,left=2.5cm,right=2.5cm]{geometry}
+\usepackage{makeidx}
+\usepackage{natbib}
+\usepackage{graphicx}
+\usepackage{multicol}
+\usepackage{float}
+\usepackage{listings}
+\usepackage{color}
+\usepackage{ifthen}
+\usepackage[table]{xcolor}
+\usepackage{textcomp}
+\usepackage{alltt}
+\usepackage{ifpdf}
+\ifpdf
+\usepackage[pdftex,
+            pagebackref=true,
+            colorlinks=true,
+            linkcolor=blue,
+            unicode
+           ]{hyperref}
+\else
+\usepackage[ps2pdf,
+            pagebackref=true,
+            colorlinks=true,
+            linkcolor=blue,
+            unicode
+           ]{hyperref}
+\usepackage{pspicture}
+\fi
+\usepackage[utf8]{inputenc}
+\usepackage{mathptmx}
+\usepackage[scaled=.90]{helvet}
+\usepackage{courier}
+\usepackage{sectsty}
+\usepackage{amssymb}
+\usepackage[titles]{tocloft}
+\usepackage{doxygen}
+\lstset{language=C++,inputencoding=utf8,basicstyle=\footnotesize,breaklines=true,breakatwhitespace=true,tabsize=4,numbers=left }
+\makeindex
+\setcounter{tocdepth}{3}
+\renewcommand{\footrulewidth}{0.4pt}
+\renewcommand{\familydefault}{\sfdefault}
+\hfuzz=15pt
+\setlength{\emergencystretch}{15pt}
+\hbadness=750
+\tolerance=750
+\begin{document}
+\hypersetup{pageanchor=false,citecolor=blue}
+\begin{titlepage}
+\vspace*{7cm}
+\begin{center}
+{\Huge libopencm3: API Reference\\ STM STM32L4 ARM Cortex M4 Series}\\
+\vspace*{1cm}
+{\large Generated by Doxygen 1.8.2}\\
+\vspace*{0.5cm}
+{\small Thu Sep 13 2012 23:26:45}\\
+\end{center}
+\end{titlepage}
+\pagenumbering{arabic}
+\hypersetup{pageanchor=true,citecolor=blue}
diff --git a/doc/stm32l4/index.html b/doc/stm32l4/index.html
new file mode 100644
index 00000000..7715877a
--- /dev/null
+++ b/doc/stm32l4/index.html
@@ -0,0 +1,8 @@
+<html xmlns="http://www.w3.org/1999/xhtml">
+<head>
+	<meta http-equiv="refresh" content="0;URL='html/index.html'" />
+</head>
+<body> 
+	<a href="html/index.html">Documentation index</a></p>
+</body>
+</html>
diff --git a/doc/usb/DoxygenLayout_usb.xml b/doc/usb/DoxygenLayout_usb.xml
index c782d528..c140cbdb 100644
--- a/doc/usb/DoxygenLayout_usb.xml
+++ b/doc/usb/DoxygenLayout_usb.xml
@@ -13,6 +13,7 @@
     <tab type="user" visible="yes" url="../../stm32f4/html/modules.html" title="STM32F4" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l0/html/modules.html" title="STM32L0" intro=""/>
     <tab type="user" visible="yes" url="../../stm32l1/html/modules.html" title="STM32L1" intro=""/>
+    <tab type="user" visible="yes" url="../../stm32l4/html/modules.html" title="STM32L4" intro=""/>
     <tab type="user" visible="yes" url="../../lm3s/html/modules.html" title="LM3S" intro=""/>
     <tab type="user" visible="yes" url="../../lm4f/html/modules.html" title="LM4F" intro=""/>
     <tab type="user" visible="yes" url="../../lpc13xx/html/modules.html" title="LPC13" intro=""/>