ARM: dts: sun9i: cubieboard4: Declare AXP809 SW regulator as unused

The AXP809's SW (switch) regulator is unused on the Cubieboard 4.
Add an empty node for it so that the OS can generate constraints.

Signed-off-by: Chen-Yu Tsai <wens@csie.org>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>

diff --git a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts b/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts
index 04b014603659dca3adab9060eba7a44f548496cb..910b29f0f0b5089c2fe250e7385408e765cce3ad 100644 (file)
--- a/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts
+++ b/arch/arm/boot/dts/sun9i-a80-cubieboard4.dts
@@ -253,6 +253,10 @@
                        reg_rtc_ldo: rtc_ldo {
                                regulator-name = "vcc-rtc-vdd1v8-io";
                        };
+
+                       sw {
+                               /* unused */
+                       };
                };
        };