arm64: dts: freescale: moduline-display-av101hdt-a10: add backlight

Add the missing backlight driver.

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-av101hdt-a10.dtso b/arch/arm64/boot/dts/freescale/imx8mp-tx8p-ml81-moduline-display-106-av101hdt-a10.dtso
index c6fc5d5b1e5fa19a6a493a452a88e1c79de5fe63..23e4bf64b28b543bc40c83ee4334d18098f415a8 100644 (file)
--- 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 @@
        };
 };
 
+&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