dts: sun8i-h3: split off RTS/CTS for UART1 in seperate pinmux

This was done to make UART1-3 on H3 consistent, and less complicated to
enable UART1-3 on the breakout header on the several H3 board (notably
Orange Pi's). This patch adds a bit of complexity for the existing Banana
Pi, which already had the RTS/CTS associated on UART1.

The RTS/CTS for UART2-3 could be defined in the same way, but since
there is no actual use case for them at the moment, they are left out.

Signed-off-by: Jorik Jonker <jorik@kippendief.biz>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

2 files changed, 10 insertions, 3 deletions

diff --git a/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts b/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
index f3b1d5f6dbd2..06fddaae8edd 100644
--- a/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
+++ b/arch/arm/boot/dts/sun8i-h3-bananapi-m2-plus.dts
@@ -185,7 +185,7 @@
 
 &uart1 {
         pinctrl-names = "default";
-        pinctrl-0 = <&uart1_pins_a>;
+        pinctrl-0 = <&uart1_pins>, <&uart1_rts_cts_pins>;
         status = "okay";
 };
 
diff --git a/arch/arm/boot/dts/sun8i-h3.dtsi b/arch/arm/boot/dts/sun8i-h3.dtsi
index 9571512fdd77..83fcb6a2e618 100644
--- a/arch/arm/boot/dts/sun8i-h3.dtsi
+++ b/arch/arm/boot/dts/sun8i-h3.dtsi
@@ -367,8 +367,15 @@
                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
                         };
 
-                        uart1_pins_a: uart1@0 {
-                                allwinner,pins = "PG6", "PG7", "PG8", "PG9";
+                        uart1_pins: uart1 {
+                                allwinner,pins = "PG6", "PG7";
+                                allwinner,function = "uart1";
+                                allwinner,drive = <SUN4I_PINCTRL_10_MA>;
+                                allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;
+                        };
+
+                        uart1_rts_cts_pins: uart1_rts_cts {
+                                allwinner,pins = "PG8", "PG9";
                                 allwinner,function = "uart1";
                                 allwinner,drive = <SUN4I_PINCTRL_10_MA>;
                                 allwinner,pull = <SUN4I_PINCTRL_NO_PULL>;