[PATCH v2 4/4] arm64: dts: freescale: moduline-display-av123z7m-n17: add backlight
From: Maud Spierings via B4 Relay <devnull+maudspierings.gocontroll.com@kernel.org>
Date: 2025-08-19 10:59:04
Also in:
b4-sent, dri-devel, imx, linux-devicetree, linux-fbdev, linux-leds, lkml
Subsystem:
arm/freescale imx / mxc arm architecture, the rest · Maintainers:
Frank Li, Sascha Hauer, Linus Torvalds
From: Maud Spierings <maudspierings@gocontroll.com> Add the missing backlight. Signed-off-by: Maud Spierings <maudspierings@gocontroll.com> --- ...p-tx8p-ml81-moduline-display-106-av123z7m-n17.dtso | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-)
diff --git a/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av123z7m-n17.dtso b/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av123z7m-n17.dtso
index 3eb665ce9d5d2a1c742ffb4feca046e406e29956..9124cd87cce54a5aa7b7ad674f70f814d1dc3515 100644
--- a/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av123z7m-n17.dtso
+++ b/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av123z7m-n17.dtso@@ -16,6 +16,7 @@ panel { compatible = "boe,av123z7m-n17"; + backlight = <&backlight>; enable-gpios = <&gpio1 7 GPIO_ACTIVE_HIGH>; pinctrl-0 = <&pinctrl_panel>; pinctrl-names = "default";
@@ -91,10 +92,26 @@ lvds1_out: endpoint { }; }; - /* max25014 @ 0x6f */ + backlight: backlight@6f { + reg = <0x6f>; + compatible = "maxim,max25014"; + 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 1>; + }; }; &iomuxc { + pinctrl_backlight: backlightgrp { + fsl,pins = < + MX8MP_IOMUXC_GPIO1_IO04__GPIO1_IO04 + (MX8MP_PULL_UP | MX8MP_PULL_ENABLE) + >; + }; + pinctrl_lvds_bridge: lvdsbridgegrp { fsl,pins = < MX8MP_IOMUXC_SAI1_TXD2__GPIO4_IO14
--
2.50.1