[PATCH v3 6/7] ARM: dts: sun8i: v40: bananapi-m2-berry: Fix WiFi regulator definitions

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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@xxxxxxxxxxxxxxxxx>
---
 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 40db082..6ada736 100644
--- a/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts
+++ b/arch/arm/boot/dts/sun8i-v40-bananapi-m2-berry.dts
@@ -232,12 +232,27 @@
 	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




[Index of Archives]     [Device Tree Compilter]     [Device Tree Spec]     [Linux Driver Backports]     [Video for Linux]     [Linux USB Devel]     [Linux PCI Devel]     [Linux Audio Users]     [Linux Kernel]     [Linux SCSI]     [XFree86]     [Yosemite Backpacking]


  Powered by Linux