[PATCH 5/9] 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 <redacted>
---
 arch/arm/boot/dts/sun9i-a80-optimus.dts | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/arch/arm/boot/dts/sun9i-a80-optimus.dts b/arch/arm/boot/dts/sun9i-a80-optimus.dts
index fd874ded890e..caf0091e71ba 100644
--- 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 */
+			};
 		};
 	};
 

-- 
2.9.3