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authorHeiko Stuebner <heiko@sntech.de>2015-11-29 21:46:09 +0300
committerHeiko Stuebner <heiko@sntech.de>2016-04-07 02:25:49 +0300
commit1f45e8c6d0161f044d679f242fe7514e2625af4a (patch)
treea26fa599e7c790dff399649424c3b18fb7f09a8f /arch/arm/boot
parenta4e00345b29dbc93fe7e6f4070458f325261b0ac (diff)
downloadlinux-1f45e8c6d0161f044d679f242fe7514e2625af4a.tar.xz
ARM: dts: rockchip: add startup delay to rk3288-veyron panel-regulators
The panels need a bit of time to actually turn on. If this isn't observed, this results in problems when trying talk to the panels and thus produces detection errors. 100ms seem to be a safe value for the time being. Signed-off-by: Heiko Stuebner <heiko@sntech.de> Tested-by: Douglas Anderson <dianders@chromium.org>
Diffstat (limited to 'arch/arm/boot')
-rw-r--r--arch/arm/boot/dts/rk3288-veyron-jaq.dts1
-rw-r--r--arch/arm/boot/dts/rk3288-veyron-jerry.dts1
-rw-r--r--arch/arm/boot/dts/rk3288-veyron-minnie.dts1
-rw-r--r--arch/arm/boot/dts/rk3288-veyron-speedy.dts1
4 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/rk3288-veyron-jaq.dts b/arch/arm/boot/dts/rk3288-veyron-jaq.dts
index 5c97e3153526..2123ac21491e 100644
--- a/arch/arm/boot/dts/rk3288-veyron-jaq.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-jaq.dts
@@ -61,6 +61,7 @@
pinctrl-names = "default";
pinctrl-0 = <&lcd_enable_h>;
regulator-name = "panel_regulator";
+ startup-delay-us = <100000>;
vin-supply = <&vcc33_sys>;
};
diff --git a/arch/arm/boot/dts/rk3288-veyron-jerry.dts b/arch/arm/boot/dts/rk3288-veyron-jerry.dts
index 60bd6e91e308..1a9bef1303d3 100644
--- a/arch/arm/boot/dts/rk3288-veyron-jerry.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-jerry.dts
@@ -60,6 +60,7 @@
pinctrl-names = "default";
pinctrl-0 = <&lcd_enable_h>;
regulator-name = "panel_regulator";
+ startup-delay-us = <100000>;
vin-supply = <&vcc33_sys>;
};
diff --git a/arch/arm/boot/dts/rk3288-veyron-minnie.dts b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
index 699beb0a9481..8b16f378a847 100644
--- a/arch/arm/boot/dts/rk3288-veyron-minnie.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-minnie.dts
@@ -70,6 +70,7 @@
pinctrl-names = "default";
pinctrl-0 = <&lcd_enable_h>;
regulator-name = "panel_regulator";
+ startup-delay-us = <100000>;
vin-supply = <&vcc33_sys>;
};
diff --git a/arch/arm/boot/dts/rk3288-veyron-speedy.dts b/arch/arm/boot/dts/rk3288-veyron-speedy.dts
index b34a7b5b3f62..e62cdee78302 100644
--- a/arch/arm/boot/dts/rk3288-veyron-speedy.dts
+++ b/arch/arm/boot/dts/rk3288-veyron-speedy.dts
@@ -61,6 +61,7 @@
pinctrl-names = "default";
pinctrl-0 = <&lcd_enable_h>;
regulator-name = "panel_regulator";
+ startup-delay-us = <100000>;
vin-supply = <&vcc33_sys>;
};