ARM: dts: sun8i: r40: add /omit-if-no-ref/ to pinmux nodes for UARTs 0&3

This patch adds the /omit-if-no-ref/ keyword to the pio nodes for
UART0 and UART3 pins of the R40 SoC, which would reduce the fdt size on
boards which do not use these UARTs.

Signed-off-by: Ivan Uvarov <i.uvarov@cognitivepilot.com>
 1 file changed, 3 insertions(+)

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://lore.kernel.org/r/20210407111428.3755684-2-i.uvarov@cognitivepilot.com

diff --git a/arch/arm/boot/dts/sun8i-r40.dtsi b/arch/arm/boot/dts/sun8i-r40.dtsi
index d5ad3b9efd12487dc9e709a1510f7bce414f5b14..0b257a07792fc860f0701d1f3595541c0c19b2d1 100644 (file)
--- a/arch/arm/boot/dts/sun8i-r40.dtsi
+++ b/arch/arm/boot/dts/sun8i-r40.dtsi
@@ -631,16 +631,19 @@
                                function = "spi1";
                        };
 
+                       /omit-if-no-ref/
                        uart0_pb_pins: uart0-pb-pins {
                                pins = "PB22", "PB23";
                                function = "uart0";
                        };
 
+                       /omit-if-no-ref/
                        uart3_pg_pins: uart3-pg-pins {
                                pins = "PG6", "PG7";
                                function = "uart3";
                        };
 
+                       /omit-if-no-ref/
                        uart3_rts_cts_pg_pins: uart3-rts-cts-pg-pins {
                                pins = "PG8", "PG9";
                                function = "uart3";