diff --git a/patch/kernel/sunxi-dev/add-uart2-bpim2ultra-bpim2berry.patch b/patch/kernel/sunxi-dev/add-uart2-bpim2ultra-bpim2berry.patch
new file mode 100644
index 0000000000..a542185502
--- /dev/null
+++ b/patch/kernel/sunxi-dev/add-uart2-bpim2ultra-bpim2berry.patch
@@ -0,0 +1,34 @@
+diff --git a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
+index 42d62d1..4a8362e 100644
+--- a/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
++++ b/arch/arm/boot/dts/sun8i-r40-bananapi-m2-ultra.dts
+@@ -305,6 +305,12 @@
+ 	status = "okay";
+ };
+ 
++&uart2 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&uart2_pi_pins>;
++	status = "okay";
++};
++
+ &uart3 {
+ 	pinctrl-names = "default";
+ 	pinctrl-0 = <&uart3_pg_pins>, <&uart3_rts_cts_pg_pins>;
+diff --git a/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts b/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts
+index 15c22b0..5c0b7ba 100644
+--- a/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts
++++ b/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts
+@@ -280,6 +280,12 @@
+ 	status = "okay";
+ };
+ 
++&uart2 {
++	pinctrl-names = "default";
++	pinctrl-0 = <&uart2_pi_pins>;
++	status = "okay";
++};
++
+ &uart3 {
+ 	pinctrl-names = "default";
+ 	pinctrl-0 = <&uart3_pg_pins>, <&uart3_rts_cts_pg_pins>;
diff --git a/patch/kernel/sunxi-dev/add-uart2_pi_pins-to-sun8i-r40.patch b/patch/kernel/sunxi-dev/add-uart2_pi_pins-to-sun8i-r40.patch
new file mode 100644
index 0000000000..9aca99a7c7
--- /dev/null
+++ b/patch/kernel/sunxi-dev/add-uart2_pi_pins-to-sun8i-r40.patch
@@ -0,0 +1,16 @@
+diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
+index 421dfbb..ae64248 100644
+--- a/arch/arm/boot/dts/sun8i-r40.dtsi
++++ b/arch/arm/boot/dts/sun8i-r40.dtsi
+@@ -403,6 +420,11 @@
+ 				function = "uart0";
+ 			};
+ 
++			uart2_pi_pins: uart2-pi-pins {
++				pins = "PI18", "PI19";
++				function = "uart2";
++			};
++
+ 			uart3_pg_pins: uart3-pg-pins {
+ 				pins = "PG6", "PG7";
+ 				function = "uart3";