1 files changed, 91 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
index 0d3c0996d832..8daadadec63a 100644
--- a/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
+++ b/arch/arm64/boot/dts/nvidia/tegra186-p2771-0000.dts
@@ -1,8 +1,99 @@
 /dts-v1/;
 
+#include <dt-bindings/input/linux-event-codes.h>
+
 #include "tegra186-p3310.dtsi"
 
 / {
 	model = "NVIDIA Tegra186 P2771-0000 Development Board";
 	compatible = "nvidia,p2771-0000", "nvidia,tegra186";
+
+	i2c@3160000 {
+		power-monitor@42 {
+			compatible = "ti,ina3221";
+			reg = <0x42>;
+		};
+
+		power-monitor@43 {
+			compatible = "ti,ina3221";
+			reg = <0x43>;
+		};
+
+		exp1: gpio@74 {
+			compatible = "ti,tca9539";
+			reg = <0x74>;
+
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_MAIN_GPIO(Y, 0) GPIO_ACTIVE_LOW>;
+
+			#gpio-cells = <2>;
+			gpio-controller;
+		};
+
+		exp2: gpio@77 {
+			compatible = "ti,tca9539";
+			reg = <0x77>;
+
+			interrupt-parent = <&gpio>;
+			interrupts = <TEGRA_MAIN_GPIO(Y, 6) GPIO_ACTIVE_LOW>;
+
+			#gpio-cells = <2>;
+			gpio-controller;
+		};
+	};
+
+	/* SDMMC1 (SD/MMC) */
+	sdhci@3400000 {
+		status = "okay";
+
+		vmmc-supply = <&vdd_sd>;
+	};
+
+	gpio-keys {
+		compatible = "gpio-keys";
+
+		power {
+			label = "Power";
+			gpios = <&gpio_aon TEGRA_AON_GPIO(FF, 0)
+					   GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_POWER>;
+			debounce-interval = <10>;
+			wakeup-source;
+		};
+
+		volume-up {
+			label = "Volume Up";
+			gpios = <&gpio_aon TEGRA_AON_GPIO(FF, 1)
+					   GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_VOLUMEUP>;
+			debounce-interval = <10>;
+		};
+
+		volume-down {
+			label = "Volume Down";
+			gpios = <&gpio_aon TEGRA_AON_GPIO(FF, 2)
+					   GPIO_ACTIVE_LOW>;
+			linux,input-type = <EV_KEY>;
+			linux,code = <KEY_VOLUMEDOWN>;
+			debounce-interval = <10>;
+		};
+	};
+
+	regulators {
+		vdd_sd: regulator@100 {
+			compatible = "regulator-fixed";
+			reg = <100>;
+
+			regulator-name = "SD_CARD_SW_PWR";
+			regulator-min-microvolt = <3300000>;
+			regulator-max-microvolt = <3300000>;
+
+			gpio = <&gpio TEGRA_MAIN_GPIO(P, 6) GPIO_ACTIVE_HIGH>;
+			enable-active-high;
+
+			vin-supply = <&vdd_3v3_sys>;
+		};
+	};
 };