diff --git a/firmware/config/boards/subaru_eg33/readme.md b/firmware/config/boards/subaru_eg33/readme.md
index c8c464ae69..27af222725 100644
--- a/firmware/config/boards/subaru_eg33/readme.md
+++ b/firmware/config/boards/subaru_eg33/readme.md
@@ -1,4 +1,3 @@
 subaru EG33 board.
 
-https://github.com/dron0gus/rusefi
 https://rusefi.com/forum/viewtopic.php?p=35502
diff --git a/firmware/hw_layer/drivers/gpio/readme.md b/firmware/hw_layer/drivers/gpio/readme.md
new file mode 100644
index 0000000000..970d2166ec
--- /dev/null
+++ b/firmware/hw_layer/drivers/gpio/readme.md
@@ -0,0 +1,8 @@
+
+[microRusEFI](https://github.com/rusefi/hw_microRusEfi) uses tle8888
+
+[subaru EG33 board](https://rusefi.com/forum/viewtopic.php?p=35502) uses MC33810
+
+
+
+See https://github.com/rusefi/rusefi/wiki/Infineon-chips-comparison
\ No newline at end of file