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ARM: dts: imx: Power off display output on Data Modul i.MX8M Mini/Plus eDM SBC

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Turn display connector power off on boot and reboot to prevent any
bogus start up sequence of any panel potentially attached to the
display connector.

Signed-off-by: Marek Vasut <marex@denx.de>
This commit is contained in:
Marek Vasut
2023-12-18 19:02:14 +01:00
committed by Fabio Estevam
parent 31757f2bea
commit 1f25c75619
2 changed files with 97 additions and 0 deletions
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49
arch/arm/dts/imx8mm-data-modul-edm-sbc-u-boot.dtsi
View File

@@ -77,10 +77,59 @@
&gpio2 {
bootph-pre-ram;
dsi-reset-hog {
bootph-pre-ram;
gpio-hog;
output-high;
gpios = <2 GPIO_ACTIVE_LOW>;
line-name = "DSI_RESET_1V8#";
};
dsi-irq-hog {
bootph-pre-ram;
gpio-hog;
input;
gpios = <3 GPIO_ACTIVE_LOW>;
line-name = "DSI_IRQ_1V8#";
};
graphics-prsnt-hog {
bootph-pre-ram;
gpio-hog;
input;
gpios = <7 GPIO_ACTIVE_LOW>;
line-name = "GRAPHICS_PRSNT_1V8#";
};
};
&gpio3 {
bootph-pre-ram;
bl-enable-hog {
bootph-pre-ram;
gpio-hog;
output-low;
gpios = <0 GPIO_ACTIVE_HIGH>;
line-name = "BL_ENABLE_1V8";
};
tft-enable-hog {
bootph-pre-ram;
gpio-hog;
output-low;
gpios = <6 GPIO_ACTIVE_HIGH>;
line-name = "TFT_ENABLE_1V8";
};
graphics-gpio0-hog {
bootph-pre-ram;
gpio-hog;
input;
gpios = <7 GPIO_ACTIVE_HIGH>;
line-name = "GRAPHICS_GPIO0_1V8";
};
};
&gpio4 {

48
arch/arm/dts/imx8mp-data-modul-edm-sbc-u-boot.dtsi
View File

@@ -67,10 +67,58 @@
&gpio3 {
bootph-pre-ram;
bl-enable-hog {
bootph-pre-ram;
gpio-hog;
output-low;
gpios = <0 GPIO_ACTIVE_HIGH>;
line-name = "BL_ENABLE_1V8";
};
tft-enable-hog {
bootph-pre-ram;
gpio-hog;
output-low;
gpios = <6 GPIO_ACTIVE_HIGH>;
line-name = "TFT_ENABLE_1V8";
};
graphics-gpio0-hog {
bootph-pre-ram;
gpio-hog;
input;
gpios = <7 GPIO_ACTIVE_HIGH>;
line-name = "GRAPHICS_GPIO0_1V8";
};
};
&gpio4 {
bootph-pre-ram;
dsi-reset-hog {
bootph-pre-ram;
gpio-hog;
output-high;
gpios = <0 GPIO_ACTIVE_LOW>;
line-name = "DSI_RESET_1V8#";
};
graphics-prsnt-hog {
bootph-pre-ram;
gpio-hog;
input;
gpios = <18 GPIO_ACTIVE_LOW>;
line-name = "GRAPHICS_PRSNT_1V8#";
};
dsi-irq-hog {
bootph-pre-ram;
gpio-hog;
input;
gpios = <19 GPIO_ACTIVE_LOW>;
line-name = "DSI_IRQ_1V8#";
};
};
&gpio5 {