[PATCH 04/10] ARM: dts: rockchip: add startup delay to rk3288-veyron panel-regulators
From: Heiko Stuebner <hidden>
Date: 2016-03-18 01:40:00
Also in:
linux-arm-kernel, linux-rockchip
Subsystem:
the rest · Maintainer:
Linus Torvalds
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 <redacted> --- arch/arm/boot/dts/rk3288-veyron-jaq.dts | 1 + arch/arm/boot/dts/rk3288-veyron-jerry.dts | 1 + arch/arm/boot/dts/rk3288-veyron-minnie.dts | 1 + arch/arm/boot/dts/rk3288-veyron-speedy.dts | 1 + 4 files changed, 4 insertions(+)
diff --git a/arch/arm/boot/dts/rk3288-veyron-jaq.dts b/arch/arm/boot/dts/rk3288-veyron-jaq.dts
index 5c97e31..2123ac2 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 60bd6e9..1a9bef1 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 699beb0..8b16f37 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 b34a7b5..e62cdee 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>; };
--
2.6.4
--
To unsubscribe from this list: send the line "unsubscribe devicetree" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html