ARM: dts: sun7i: add pinctrl for missing uart mux options

This adds pinctrl settings for various missing uart options.
Signed-off-by: Mans Rullgard <mans@mansr.com>
Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com>

arch/arm/boot/dts/sun7i-a20.dtsi

@@ -938,6 +938,36 @@ uart0_pb_pins: uart0-pb-pins {
 				function = "uart0";
 			};
 
+			/omit-if-no-ref/
+			uart0_pf_pins: uart0-pf-pins {
+				pins = "PF2", "PF4";
+				function = "uart0";
+			};
+
+			/omit-if-no-ref/
+			uart1_pa_pins: uart1-pa-pins {
+				pins = "PA10", "PA11";
+				function = "uart1";
+			};
+
+			/omit-if-no-ref/
+			uart1_cts_rts_pa_pins: uart1-cts-rts-pa-pins {
+				pins = "PA12", "PIA13";
+				function = "uart2";
+			};
+
+			/omit-if-no-ref/
+			uart2_pa_pins: uart2-pa-pins {
+				pins = "PIA2", "PIA3";
+				function = "uart2";
+			};
+
+			/omit-if-no-ref/
+			uart2_cts_rts_pa_pins: uart2-cts-rts-pa-pins {
+				pins = "PA0", "PIA1";
+				function = "uart2";
+			};
+
 			uart2_pi_pins: uart2-pi-pins {
 				pins = "PI18", "PI19";
 				function = "uart2";
@@ -963,6 +993,12 @@ uart3_ph_pins: uart3-ph-pins {
 				function = "uart3";
 			};
 
+			/omit-if-no-ref/
+			uart3_cts_rts_ph_pins: uart3-cts-rts-ph-pins {
+				pins = "PH2", "PH3";
+				function = "uart3";
+			};
+
 			uart4_pg_pins: uart4-pg-pins {
 				pins = "PG10", "PG11";
 				function = "uart4";
@@ -973,16 +1009,34 @@ uart4_ph_pins: uart4-ph-pins {
 				function = "uart4";
 			};
 
+			/omit-if-no-ref/
+			uart5_ph_pins: uart5-ph-pins {
+				pins = "PH6", "PH7";
+				function = "uart5";
+			};
+
 			uart5_pi_pins: uart5-pi-pins {
 				pins = "PI10", "PI11";
 				function = "uart5";
 			};
 
+			/omit-if-no-ref/
+			uart6_pa_pins: uart6-pa-pins {
+				pins = "PA12", "PA13";
+				function = "uart6";
+			};
+
 			uart6_pi_pins: uart6-pi-pins {
 				pins = "PI12", "PI13";
 				function = "uart6";
 			};
 
+			/omit-if-no-ref/
+			uart7_pa_pins: uart7-pa-pins {
+				pins = "PA14", "PA15";
+				function = "uart7";
+			};
+
 			uart7_pi_pins: uart7-pi-pins {
 				pins = "PI20", "PI21";
 				function = "uart7";