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ARM: tegra: paz00: Mark panel regulator as enabled on boot
authorMarc Dietrich <marvin24@gmx.de>
Fri, 9 Dec 2016 09:20:38 +0000 (10:20 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 25 May 2017 12:30:07 +0000 (14:30 +0200)
commit 0c18927f51f4d390abdcf385bff5f995407ee732 upstream.

Current U-Boot enables the display already. Marking the regulator as
enabled on boot fixes sporadic panel initialization failures.

Signed-off-by: Marc Dietrich <marvin24@gmx.de>
Tested-by: Misha Komarovskiy <zombah@gmail.com>
Signed-off-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
arch/arm/boot/dts/tegra20-paz00.dts patch | blob | blame | history

diff --git a/arch/arm/boot/dts/tegra20-paz00.dts b/arch/arm/boot/dts/tegra20-paz00.dts
index ed7e1009326cd748628c5422849bfffad2a3b21e..d9ee0fd817e9101f51ce239ac46563129708a7f4 100644 (file)
--- a/arch/arm/boot/dts/tegra20-paz00.dts
+++ b/arch/arm/boot/dts/tegra20-paz00.dts
@@ -565,6 +565,7 @@
                        regulator-name = "+3VS,vdd_pnl";
                        regulator-min-microvolt = <3300000>;
                        regulator-max-microvolt = <3300000>;
+                       regulator-boot-on;
                        gpio = <&gpio TEGRA_GPIO(A, 4) GPIO_ACTIVE_HIGH>;
                        enable-active-high;
                };