arm64: dts: allwinner: a64: Add UART2 pin nodes

UART2 is exposed on the Pi connector of Pine64. Make a pinctrl node
available at the SoC level, to simplify enabling UART2 via DT overlay.

Signed-off-by: Andreas Färber <afaerber@suse.de>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
index 65a344d9cea4519b94ef5bac6a2fa9b39e2dca89..93c2d01a1e42fd3b337fbc274261b9ae36100f46 100644 (file)
--- a/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
+++ b/arch/arm64/boot/dts/allwinner/sun50i-a64.dtsi
@@ -317,6 +317,11 @@ uart1_rts_cts_pins: uart1_rts_cts_pins {
                                pins = "PG8", "PG9";
                                function = "uart1";
                        };
+
+                       uart2_pins: uart2-pins {
+                               pins = "PB0", "PB1";
+                               function = "uart2";
+                       };
                };
 
                uart0: serial@1c28000 {