// SPDX-License-Identifier: GPL-2.0 /dts-v1/; #include "bcm2837.dtsi" #include "bcm2836-rpi.dtsi" / { memory@0 { device_type = "memory"; reg = <0 0x40000000>; }; leds { /* * Since there is no upstream GPIO driver yet, * remove the incomplete node. */ /delete-node/ act; }; reg_3v3: fixed-regulator { compatible = "regulator-fixed"; regulator-name = "3V3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; regulator-always-on; }; reg_1v8: fixed-regulator { compatible = "regulator-fixed"; regulator-name = "1V8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-always-on; }; }; &firmware { expgpio: gpio { compatible = "raspberrypi,firmware-gpio"; gpio-controller; #gpio-cells = <2>; gpio-line-names = "HDMI_HPD_N", "EMMC_EN_N", "NC", "NC", "NC", "NC", "NC", "NC"; status = "okay"; }; }; &sdhost { pinctrl-names = "default"; pinctrl-0 = <&sdhost_gpio48>; bus-width = <4>; vmmc-supply = <®_3v3>; vqmmc-supply = <®_1v8>; status = "okay"; };