ARM: dts: sun7i: Add uart4_pins_b definition

Some boards (e.g. the BananaPro) use alternative pins for uart4, add a pinmux
entry for these.

Signed-off-by: Michael Ring <mail@michael-ring.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun7i-a20.dtsi b/arch/arm/boot/dts/sun7i-a20.dtsi
index e04cdf9..99d48b4 100644 (file)
--- a/arch/arm/boot/dts/sun7i-a20.dtsi
+++ b/arch/arm/boot/dts/sun7i-a20.dtsi
@@ -844,6 +844,13 @@
                                allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
                        };
 
+                       uart4_pins_b: uart4@1 {
+                               allwinner,pins = "PH4", "PH5";
+                               allwinner,function = "uart4";
+                               allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+                               allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+                       };
+
                        uart5_pins_a: uart5@0 {
                                allwinner,pins = "PI10", "PI11";
                                allwinner,function = "uart5";