ARM: dts: sun9i: a80-optimus: Declare AXP809 SW regulator as unused

The AXP809's SW (switch) regulator is unused on the A80 Optimus.
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-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts
index fd874ded890ef44608e6dd05052cf5dba18461c1..caf0091e71ba1f7cbce02baee968161c644603b2 100644 (file)
--- a/arch/arm/boot/dts/sun9i-a80-optimus.dts
+++ b/arch/arm/boot/dts/sun9i-a80-optimus.dts
@@ -325,6 +325,10 @@
                        reg_rtc_ldo: rtc_ldo {
                                regulator-name = "vcc-rtc-vdd1v8-io";
                        };
+
+                       sw {
+                               /* unused */
+                       };
                };
        };