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Subject[PATCH v4 4/7] ARM: dts: sun8i: v40: bananapi-m2-berry: Fix WiFi regulator definitions
Date
Just like was done for the bananapi-m2-ultra, add the second wifi/bt
regulator and mark both as always-on.

Signed-off-by: Pablo Greco <pgreco@centosproject.org>
---
arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts | 15 +++++++++++++++
1 file changed, 15 insertions(+)

diff --git a/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts b/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts
index c37c7ab..78f4a1a 100644
--- a/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts
+++ b/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts
@@ -225,12 +225,27 @@
regulator-name = "vcc-wifi-io";
};

+/*
+ * Our WiFi chip needs both DLDO2 and DLDO3 to be powered at the same
+ * time, with the two being in sync, to be able to meet maximum power
+ * consumption during transmits. Since this is not really supported
+ * right now, just use the two as always on, and we will fix it later.
+ */
+
&reg_dldo2 {
+ regulator-always-on;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-name = "vcc-wifi";
};

+&reg_dldo3 {
+ regulator-always-on;
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ regulator-name = "vcc-wifi-2";
+};
+
&reg_dldo4 {
regulator-min-microvolt = <2500000>;
regulator-max-microvolt = <2500000>;
--
1.8.3.1
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