arm64: dts: freescale: moduline-display-av123z7m-n17: add backlight

Add the missing backlight.

Signed-off-by: Maud Spierings <maudspierings@gocontroll.com>
Signed-off-by: Frank Li <Frank.Li@nxp.com>

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..0b969c8c04db1c86b2a90c5f5ef91e494e5de7a6 100644 (file)
--- 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 @@
                };
        };
 
-       /* max25014 @ 0x6f */
+       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 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