[PATCH v8 3/4] arm64: dts: freescale: moduline-display-av101hdt-a10: add backlight

Maud Spierings via B4 Relay
2026-04-07T14:41:52Z

From: Maud Spierings <maudspierings@gocontroll.com>

Add the missing backlight driver.

Signed-off-by: Maud Spierings <maudspierings@gocontroll.com>
---
...x8p-ml81-moduline-display-106-av101hdt-a10.dtso | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av101hdt-a10.dtso b/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av101hdt-a10.dtso
index c6fc5d5b1e5fa..23e4bf64b28b5 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av101hdt-a10.dtso
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av101hdt-a10.dtso
@@ -17,6 +17,7 @@

panel {
compatible = "boe,av101hdt-a10";
+ backlight = <&backlight>;
enable-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>;
pinctrl-0 = <&pinctrl_panel>;
pinctrl-names = "default";
@@ -40,7 +41,30 @@ reg_vbus: regulator-vbus {
};
};

+&i2c4 {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ backlight: backlight@6f {
+ compatible = "maxim,max25014";
+ reg = <0x6f>;
+ default-brightness = <50>;
+ enable-gpios = <&gpio1 4 GPIO_ACTIVE_HIGH>;
+ pinctrl-names = "default";
+ pinctrl-0 = <&pinctrl_backlight>;
+ maxim,iset = <7>;
+ maxim,strings = <1 1 1 0>;
+ };
+};
+
&iomuxc {
+ pinctrl_backlight: backlightgrp {
+ fsl,pins = <
+ MX8MP_IOMUXC_GPIO1_IO04__GPIO1_IO04
+ (MX8MP_PULL_UP | MX8MP_PULL_ENABLE)
+ >;
+ };
+
pinctrl_panel: panelgrp {
fsl,pins = <
MX8MP_IOMUXC_GPIO1_IO07__GPIO1_IO07

--
2.53.0