[PATCH 5.9 598/757] arm64: dts: mt8173-elm: fix supported values for regulator-allowed-modes of da9211

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From: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>

[ Upstream commit 9d955478a89b4a1ff4e7442216f2822dee8fde73 ]

According to the datasheet the allowed modes for the da9211
regulator are sync and auto mode. This should be changed in the
devicetree. This also fix an error message
'BUCKA: invalid regulator-allowed-modes element 0'
since value 0 is invalid.

Fixes: 689b937beddeb ("arm64: dts: mediatek: add mt8173 elm and hana board")
Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@xxxxxxxxxxxxx>
Tested-by: Enric Balletbo i Serra <enric.balletbo@xxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20200903142819.24487-1-dafna.hirschfeld@xxxxxxxxxxxxx
Signed-off-by: Matthias Brugger <matthias.bgg@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
index a5a12b2599a4a..bdec719a6b62f 100644
--- a/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
+++ b/arch/arm64/boot/dts/mediatek/mt8173-elm.dtsi
@@ -5,6 +5,7 @@
 
 #include <dt-bindings/input/input.h>
 #include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/regulator/dlg,da9211-regulator.h>
 #include <dt-bindings/gpio/gpio.h>
 #include "mt8173.dtsi"
 
@@ -294,7 +295,8 @@ da9211_vcpu_reg: BUCKA {
 				regulator-max-microamp  = <4400000>;
 				regulator-ramp-delay = <10000>;
 				regulator-always-on;
-				regulator-allowed-modes = <0 1>;
+				regulator-allowed-modes = <DA9211_BUCK_MODE_SYNC
+							   DA9211_BUCK_MODE_AUTO>;
 			};
 
 			da9211_vgpu_reg: BUCKB {
-- 
2.25.1






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