On Mon, Apr 11, 2016 at 9:25 PM, Sergio Prado <sergio.prado@xxxxxxxxxxxxxx> wrote: > +/dts-v1/; > +#include "imx6q.dtsi" > +#include <dt-bindings/gpio/gpio.h> > + > +/ { > + model = "Embest MarS Board i.MX6Dual"; > + compatible = "embest,imx6q-marsboard", "fsl,imx6dl"; This should be "fsl,imx6q". > + > + memory { > + reg = <0x10000000 0x40000000>; > + }; > + > + regulators { > + compatible = "simple-bus"; > + #address-cells = <1>; > + #size-cells = <0>; Please remove the "simple-bus". Please check this commit: https://git.kernel.org/cgit/linux/kernel/git/shawnguo/linux.git/commit/arch/arm/boot/dts/imx6q-tbs2910.dts?h=for-next&id=ddcc6cad715319fff53968db7110a287dbc4a77e > + > + reg_3p3v: regulator@1 { > + compatible = "regulator-fixed"; > + reg = <1>; > + regulator-name = "3P3V"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + }; > + > + reg_usb_otg_vbus: regulator@2 { > + compatible = "regulator-fixed"; > + reg = <2>; > + regulator-name = "usb_otg_vbus"; > + regulator-min-microvolt = <5000000>; > + regulator-max-microvolt = <5000000>; > + gpio = <&gpio3 22 GPIO_ACTIVE_HIGH>; You missed the 'enable-active-high' property. > + }; > + }; > + > + leds { > + compatible = "gpio-leds"; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_led>; > + > + led@1 { There is no need for @1. > + label = "imx6:green:user1"; > + gpios = <&gpio5 2 GPIO_ACTIVE_LOW>; > + default-state = "off"; > + linux,default-trigger = "heartbeat"; > + }; > + > + led@2 { There is no need for @2. > + > +&iomuxc { > + imx6-riotboard { > + pinctrl_uart1: uart1grp { You can simplify the iomuxc node by doing like this: https://git.kernel.org/cgit/linux/kernel/git/shawnguo/linux.git/commit/arch/arm/boot/dts/imx6q-tbs2910.dts?h=for-next&id=aa7871b53bc3c36b4adefe67f728143e2deeec93 -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html