[PATCH 3/3] ARM: dts: imx7-mba7: disable boot_cfg pins after boot

[Alexander Feilke]

The BOOT_CFG pins are located on the LCD bus on our starterkit.
Disable them after boot to separate those signals.

Signed-off-by: Alexander Feilke <Alexander.Feilke at ew.tq-group.com>
---
 arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
index 03f2f2cbdfbc..4192adb27223 100644
--- a/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx7-mba7.dtsi
@@ -287,6 +287,15 @@ &flexcan2 {
 	status = "okay";
 };
 
+&gpio4 {
+	/* Deassert BOOT_EN after boot to separate BOOT_CFG circuits from LCD signals */
+	boot-en-hog {
+		gpio-hog;
+		gpios = <3 GPIO_ACTIVE_LOW>;
+		output-low;
+	};
+};
+
 &i2c1 {
 	lm75: temperature-sensor at 49 {
 		compatible = "national,lm75a";
-- 
2.43.0