linux-kernel - [PATCH] arm64: dts: mt8173-elm: fix supported values for regulator-allowed-modes of da9211

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Message-Id: <20200903142819.24487-1-dafna.hirschfeld@collabora.com>
Date:   Thu,  3 Sep 2020 16:28:19 +0200
From:   Dafna Hirschfeld <dafna.hirschfeld@...labora.com>
To:     linux-kernel@...r.kernel.org, linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, devicetree@...r.kernel.org,
        matthias.bgg@...il.com, robh+dt@...nel.org
Cc:     enric.balletbo@...labora.com, kernel@...labora.com,
        dafna3@...il.com, Dafna Hirschfeld <dafna.hirschfeld@...labora.com>
Subject: [PATCH] arm64: dts: mt8173-elm: fix supported values for regulator-allowed-modes of da9211

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@...labora.com>
---
 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 1fe5dac24ba1..1a51879d5c6f 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"
 
@@ -293,7 +294,8 @@
 				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 {
-- 
2.17.1