diff options
author | Marek Vasut | 2023-12-18 19:02:14 +0100 |
---|---|---|
committer | Fabio Estevam | 2023-12-18 20:25:57 -0300 |
commit | 1f25c75619d7fdacbaa8c2c9c152ebc9aec807b3 (patch) | |
tree | 996862ed2035c0c6e6849576e90867585a9dce5c /arch | |
parent | 31757f2bea18b7b4dc6eb6dc1838280a587dca79 (diff) |
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>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/arm/dts/imx8mm-data-modul-edm-sbc-u-boot.dtsi | 49 | ||||
-rw-r--r-- | arch/arm/dts/imx8mp-data-modul-edm-sbc-u-boot.dtsi | 48 |
2 files changed, 97 insertions, 0 deletions
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 144c42b2103..a235e088fa4 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 eafe9b9308c..a2b5976b6bd 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 { |