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@@ -0,0 +1,91 @@
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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+/*
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+ * FriendlyElec NanoPC-T4 board device tree source
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+ *
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+ * Copyright (c) 2018 FriendlyElec Computer Tech. Co., Ltd.
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+ * (http://www.friendlyarm.com)
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+ *
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+ * Copyright (c) 2018 Collabora Ltd.
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+ */
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+
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+/dts-v1/;
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+#include "rk3399-nanopi4.dtsi"
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+
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+/ {
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+ model = "FriendlyElec NanoPC-T4";
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+ compatible = "friendlyarm,nanopc-t4", "rockchip,rk3399";
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+
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+ vcc12v0_sys: vcc12v0-sys {
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+ compatible = "regulator-fixed";
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+ regulator-always-on;
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+ regulator-boot-on;
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+ regulator-max-microvolt = <12000000>;
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+ regulator-min-microvolt = <12000000>;
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+ regulator-name = "vcc12v0_sys";
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+ };
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+
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+ vcc5v0_host0: vcc5v0-host0 {
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+ compatible = "regulator-fixed";
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+ regulator-always-on;
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+ regulator-boot-on;
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+ regulator-name = "vcc5v0_host0";
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+ vin-supply = <&vcc5v0_sys>;
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+ };
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+
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+ adc-keys {
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+ compatible = "adc-keys";
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+ io-channels = <&saradc 1>;
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+ io-channel-names = "buttons";
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+ keyup-threshold-microvolt = <1800000>;
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+ poll-interval = <100>;
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+
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+ recovery {
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+ label = "Recovery";
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+ linux,code = <KEY_VENDOR>;
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+ press-threshold-microvolt = <18000>;
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+ };
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+ };
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+
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+ ir-receiver {
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+ compatible = "gpio-ir-receiver";
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+ gpios = <&gpio0 RK_PA6 GPIO_ACTIVE_LOW>;
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+ pinctrl-names = "default";
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+ pinctrl-0 = <&ir_rx>;
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+ };
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+};
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+
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+&pinctrl {
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+ ir {
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+ ir_rx: ir-rx {
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+ /* external pullup to VCC3V3_SYS, despite being 1.8V :/ */
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+ rockchip,pins = <0 RK_PA6 RK_FUNC_1 &pcfg_pull_none>;
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+ };
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+ };
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+};
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+
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+&sdhci {
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+ mmc-hs400-1_8v;
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+ mmc-hs400-enhanced-strobe;
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+};
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+
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+&u2phy0_host {
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+ phy-supply = <&vcc5v0_host0>;
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+};
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+
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+&u2phy1_host {
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+ phy-supply = <&vcc5v0_host0>;
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+};
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+
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+&vcc5v0_sys {
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+ vin-supply = <&vcc12v0_sys>;
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+};
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+
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+&vcc3v3_sys {
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+ vin-supply = <&vcc12v0_sys>;
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+};
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+
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+&vbus_typec {
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+ enable-active-high;
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+ gpios = <&gpio4 RK_PD2 GPIO_ACTIVE_HIGH>;
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+ vin-supply = <&vcc5v0_sys>;
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+};
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