[PATCH] ARM: tegra: make Venice's +3.3V_RUN regulator always on
Stephen Warren
swarren at wwwdotorg.org
Tue Apr 15 15:29:44 PDT 2014
From: Stephen Warren <swarren at nvidia.com>
This regulator supplies power to pretty much everything on the board, so
it doesn't make sense to allow it to turn off. Mark it boot-on and
always-on so it doesn't get turned off. Without this, I see issues with
the eMMC device; it can't be correctly detected during boot.
Signed-off-by: Stephen Warren <swarren at nvidia.com>
---
arch/arm/boot/dts/tegra124-venice2.dts | 2 ++
1 file changed, 2 insertions(+)
diff --git a/arch/arm/boot/dts/tegra124-venice2.dts b/arch/arm/boot/dts/tegra124-venice2.dts
index c17283c04598..87537f499875 100644
--- a/arch/arm/boot/dts/tegra124-venice2.dts
+++ b/arch/arm/boot/dts/tegra124-venice2.dts
@@ -1060,6 +1060,8 @@
regulator-name = "+3.3V_RUN";
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
+ regulator-always-on;
+ regulator-boot-on;
gpio = <&pmic 1 GPIO_ACTIVE_HIGH>;
enable-active-high;
vin-supply = <&vdd_3v3_sys>;
--
1.8.1.5
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