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-rw-r--r--dts/Bindings/gpio/gpio-exar.txt5
1 files changed, 5 insertions, 0 deletions
diff --git a/dts/Bindings/gpio/gpio-exar.txt b/dts/Bindings/gpio/gpio-exar.txt
new file mode 100644
index 0000000000..4540d61824
--- /dev/null
+++ b/dts/Bindings/gpio/gpio-exar.txt
@@ -0,0 +1,5 @@
+Exportable MPIO interface of Exar UART chips
+
+Required properties of the device:
+ - exar,first-pin: first exportable pins (0..15)
+ - ngpios: number of exportable pins (1..16)