ODROID-M1: arm64/dts: rk809: add <low|shutdown>_voltage_threadhold

Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Change-Id: I7475fc5b2bf5d5a9e9792c688b35351bf4f998b0
diff --git a/arch/arm64/boot/dts/rockchip/rk3568-odroid.dtsi b/arch/arm64/boot/dts/rockchip/rk3568-odroid.dtsi
index 06aae88..50df475 100644
--- a/arch/arm64/boot/dts/rockchip/rk3568-odroid.dtsi
+++ b/arch/arm64/boot/dts/rockchip/rk3568-odroid.dtsi
@@ -138,6 +138,13 @@ &pmu_io_domains {
 	vccio4-supply = <&vcc_1v8>;
 };
 
+&rk809 {
+	/* 2800mv-3500mv */
+	low_voltage_threshold = <2800>;
+	/* 2700mv-3400mv */
+	shutdown_voltage_threshold = <2700>;
+};
+
 &rk809_codec {
 	#sound-dai-cells = <0>;
 	hp-volume = <3>;