From: Marek Vasut <marex@denx.de>
Date: Mon, 18 Dec 2023 18:02:14 +0000 (+0100)
Subject: ARM: dts: imx: Power off display output on Data Modul i.MX8M Mini/Plus eDM SBC
X-Git-Url: http://git.dujemihanovic.xyz/img/static/git-favicon.png?a=commitdiff_plain;h=1f25c75619d7fdacbaa8c2c9c152ebc9aec807b3;p=u-boot.git

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

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>
---

diff --git a/arch/arm/dts/imx8mm-data-modul-edm-sbc-u-boot.dtsi b/arch/arm/dts/imx8mm-data-modul-edm-sbc-u-boot.dtsi
index 144c42b210..a235e088fa 100644
--- a/arch/arm/dts/imx8mm-data-modul-edm-sbc-u-boot.dtsi
+++ b/arch/arm/dts/imx8mm-data-modul-edm-sbc-u-boot.dtsi
@@ -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 {
diff --git a/arch/arm/dts/imx8mp-data-modul-edm-sbc-u-boot.dtsi b/arch/arm/dts/imx8mp-data-modul-edm-sbc-u-boot.dtsi
index eafe9b9308..a2b5976b6b 100644
--- a/arch/arm/dts/imx8mp-data-modul-edm-sbc-u-boot.dtsi
+++ b/arch/arm/dts/imx8mp-data-modul-edm-sbc-u-boot.dtsi
@@ -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 {