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@@ -0,0 +1,402 @@
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+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
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+/*
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+ * Copyright (c) 2020 Dongjin Kim <tobetter@gmail.com>
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+ */
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+
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+/dts-v1/;
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+
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+#include "meson-sm1.dtsi"
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+#include <dt-bindings/gpio/meson-g12a-gpio.h>
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+#include <dt-bindings/leds/common.h>
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+
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+/ {
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+ compatible = "hardkernel,odroid-c4", "amlogic,sm1";
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+ model = "Hardkernel ODROID-C4";
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+
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+ aliases {
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+ serial0 = &uart_AO;
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+ ethernet0 = ðmac;
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+ };
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+
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+ chosen {
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+ stdout-path = "serial0:115200n8";
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+ };
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+
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+ memory@0 {
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+ device_type = "memory";
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+ reg = <0x0 0x0 0x0 0x40000000>;
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+ };
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+
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+ emmc_pwrseq: emmc-pwrseq {
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+ compatible = "mmc-pwrseq-emmc";
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+ reset-gpios = <&gpio BOOT_12 GPIO_ACTIVE_LOW>;
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+ };
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+
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+ leds {
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+ compatible = "gpio-leds";
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+
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+ led-blue {
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+ color = <LED_COLOR_ID_BLUE>;
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+ function = LED_FUNCTION_STATUS;
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+ gpios = <&gpio_ao GPIOAO_11 GPIO_ACTIVE_HIGH>;
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+ linux,default-trigger = "heartbeat";
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+ panic-indicator;
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+ };
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+ };
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+
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+ tflash_vdd: regulator-tflash_vdd {
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+ compatible = "regulator-fixed";
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+
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+ regulator-name = "TFLASH_VDD";
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+ regulator-min-microvolt = <3300000>;
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+ regulator-max-microvolt = <3300000>;
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+
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+ gpio = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_HIGH>;
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+ enable-active-high;
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+ regulator-always-on;
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+ };
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+
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+ tf_io: gpio-regulator-tf_io {
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+ compatible = "regulator-gpio";
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+
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+ regulator-name = "TF_IO";
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+ regulator-min-microvolt = <1800000>;
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+ regulator-max-microvolt = <3300000>;
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+
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+ gpios = <&gpio_ao GPIOAO_6 GPIO_ACTIVE_HIGH>;
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+ gpios-states = <0>;
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+
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+ states = <3300000 0>,
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+ <1800000 1>;
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+ };
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+
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+ flash_1v8: regulator-flash_1v8 {
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+ compatible = "regulator-fixed";
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+ regulator-name = "FLASH_1V8";
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+ regulator-min-microvolt = <1800000>;
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+ regulator-max-microvolt = <1800000>;
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+ vin-supply = <&vcc_3v3>;
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+ regulator-always-on;
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+ };
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+
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+ main_12v: regulator-main_12v {
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+ compatible = "regulator-fixed";
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+ regulator-name = "12V";
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+ regulator-min-microvolt = <12000000>;
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+ regulator-max-microvolt = <12000000>;
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+ regulator-always-on;
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+ };
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+
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+ vcc_5v: regulator-vcc_5v {
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+ compatible = "regulator-fixed";
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+ regulator-name = "5V";
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ regulator-always-on;
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+ vin-supply = <&main_12v>;
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+ };
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+
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+ vcc_1v8: regulator-vcc_1v8 {
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+ compatible = "regulator-fixed";
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+ regulator-name = "VCC_1V8";
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+ regulator-min-microvolt = <1800000>;
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+ regulator-max-microvolt = <1800000>;
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+ vin-supply = <&vcc_3v3>;
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+ regulator-always-on;
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+ };
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+
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+ vcc_3v3: regulator-vcc_3v3 {
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+ compatible = "regulator-fixed";
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+ regulator-name = "VCC_3V3";
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+ regulator-min-microvolt = <3300000>;
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+ regulator-max-microvolt = <3300000>;
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+ vin-supply = <&vddao_3v3>;
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+ regulator-always-on;
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+ /* FIXME: actually controlled by VDDCPU_B_EN */
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+ };
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+
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+ vddcpu: regulator-vddcpu {
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+ /*
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+ * MP8756GD Regulator.
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+ */
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+ compatible = "pwm-regulator";
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+
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+ regulator-name = "VDDCPU";
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+ regulator-min-microvolt = <721000>;
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+ regulator-max-microvolt = <1022000>;
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+
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+ vin-supply = <&main_12v>;
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+
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+ pwms = <&pwm_AO_cd 1 1250 0>;
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+ pwm-dutycycle-range = <100 0>;
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+
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+ regulator-boot-on;
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+ regulator-always-on;
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+ };
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+
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+ hub_5v: regulator-hub_5v {
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+ compatible = "regulator-fixed";
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+ regulator-name = "HUB_5V";
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ vin-supply = <&vcc_5v>;
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+
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+ /* Connected to the Hub CHIPENABLE, LOW sets low power state */
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+ gpio = <&gpio GPIOH_4 GPIO_ACTIVE_HIGH>;
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+ enable-active-high;
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+ };
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+
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+ usb_pwr_en: regulator-usb_pwr_en {
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+ compatible = "regulator-fixed";
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+ regulator-name = "USB_PWR_EN";
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+ regulator-min-microvolt = <5000000>;
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+ regulator-max-microvolt = <5000000>;
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+ vin-supply = <&vcc_5v>;
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+
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+ /* Connected to the microUSB port power enable */
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+ gpio = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_HIGH>;
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+ enable-active-high;
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+ };
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+
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+ vddao_1v8: regulator-vddao_1v8 {
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+ compatible = "regulator-fixed";
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+ regulator-name = "VDDAO_1V8";
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+ regulator-min-microvolt = <1800000>;
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+ regulator-max-microvolt = <1800000>;
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+ vin-supply = <&vddao_3v3>;
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+ regulator-always-on;
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+ };
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+
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+ vddao_3v3: regulator-vddao_3v3 {
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+ compatible = "regulator-fixed";
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+ regulator-name = "VDDAO_3V3";
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+ regulator-min-microvolt = <3300000>;
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+ regulator-max-microvolt = <3300000>;
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+ vin-supply = <&main_12v>;
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+ regulator-always-on;
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+ };
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+
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+ hdmi-connector {
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+ compatible = "hdmi-connector";
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+ type = "a";
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+
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+ port {
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+ hdmi_connector_in: endpoint {
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+ remote-endpoint = <&hdmi_tx_tmds_out>;
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+ };
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+ };
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+ };
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+};
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+
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+&cpu0 {
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+ cpu-supply = <&vddcpu>;
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+ operating-points-v2 = <&cpu_opp_table>;
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+ clocks = <&clkc CLKID_CPU_CLK>;
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+ clock-latency = <50000>;
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+};
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+
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+&cpu1 {
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+ cpu-supply = <&vddcpu>;
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+ operating-points-v2 = <&cpu_opp_table>;
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+ clocks = <&clkc CLKID_CPU1_CLK>;
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+ clock-latency = <50000>;
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+};
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+
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+&cpu2 {
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+ cpu-supply = <&vddcpu>;
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+ operating-points-v2 = <&cpu_opp_table>;
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+ clocks = <&clkc CLKID_CPU2_CLK>;
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+ clock-latency = <50000>;
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+};
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+
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+&cpu3 {
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+ cpu-supply = <&vddcpu>;
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+ operating-points-v2 = <&cpu_opp_table>;
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+ clocks = <&clkc CLKID_CPU3_CLK>;
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+ clock-latency = <50000>;
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+};
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+
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+&ext_mdio {
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+ external_phy: ethernet-phy@0 {
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+ /* Realtek RTL8211F (0x001cc916) */
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+ reg = <0>;
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+ max-speed = <1000>;
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+
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+ interrupt-parent = <&gpio_intc>;
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+ /* MAC_INTR on GPIOZ_14 */
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+ interrupts = <26 IRQ_TYPE_LEVEL_LOW>;
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+ };
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+};
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+
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+ðmac {
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+ pinctrl-0 = <ð_pins>, <ð_rgmii_pins>;
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+ pinctrl-names = "default";
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+ status = "okay";
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+ phy-mode = "rgmii";
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+ phy-handle = <&external_phy>;
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+ amlogic,tx-delay-ns = <2>;
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+};
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+
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+&gpio {
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+ gpio-line-names =
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+ /* GPIOZ */
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+ "", "", "", "", "", "", "", "",
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+ "", "", "", "", "", "", "", "",
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+ /* GPIOH */
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+ "", "", "", "", "",
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+ "PIN_36", /* GPIOH_5 */
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+ "PIN_26", /* GPIOH_6 */
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+ "PIN_32", /* GPIOH_7 */
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+ "",
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+ /* BOOT */
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+ "", "", "", "", "", "", "", "",
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+ "", "", "", "", "", "", "", "",
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+ /* GPIOC */
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+ "", "", "", "", "", "", "", "",
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+ /* GPIOA */
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+ "", "", "", "", "", "", "", "",
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+ "", "", "", "", "", "",
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+ "PIN_27", /* GPIOA_14 */
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+ "PIN_28", /* GPIOA_15 */
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+ /* GPIOX */
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+ "PIN_16", /* GPIOX_0 */
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+ "PIN_18", /* GPIOX_1 */
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+ "PIN_22", /* GPIOX_2 */
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+ "PIN_11", /* GPIOX_3 */
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+ "PIN_13", /* GPIOX_4 */
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+ "PIN_7", /* GPIOX_5 */
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+ "PIN_33", /* GPIOX_6 */
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+ "PIN_15", /* GPIOX_7 */
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+ "PIN_19", /* GPIOX_8 */
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+ "PIN_21", /* GPIOX_9 */
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+ "PIN_24", /* GPIOX_10 */
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+ "PIN_23", /* GPIOX_11 */
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+ "PIN_8", /* GPIOX_12 */
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+ "PIN_10", /* GPIOX_13 */
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+ "PIN_29", /* GPIOX_14 */
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+ "PIN_31", /* GPIOX_15 */
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+ "PIN_12", /* GPIOX_16 */
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+ "PIN_3", /* GPIOX_17 */
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+ "PIN_5", /* GPIOX_18 */
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+ "PIN_35"; /* GPIOX_19 */
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+
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+ /*
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+ * WARNING: The USB Hub on the Odroid-C4 needs a reset signal
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+ * to be turned high in order to be detected by the USB Controller
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+ * This signal should be handled by a USB specific power sequence
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+ * in order to reset the Hub when USB bus is powered down.
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+ */
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+ usb-hub {
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+ gpio-hog;
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+ gpios = <GPIOH_4 GPIO_ACTIVE_HIGH>;
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+ output-high;
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+ line-name = "usb-hub-reset";
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+ };
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+};
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+
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+&gpio_ao {
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+ gpio-line-names =
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+ /* GPIOAO */
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+ "", "", "", "",
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+ "PIN_47", /* GPIOAO_4 */
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+ "", "",
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+ "PIN_45", /* GPIOAO_7 */
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+ "PIN_46", /* GPIOAO_8 */
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+ "PIN_44", /* GPIOAO_9 */
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+ "PIN_42", /* GPIOAO_10 */
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+ "",
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+ /* GPIOE */
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+ "", "", "";
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+};
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+
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+&hdmi_tx {
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+ status = "okay";
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+ pinctrl-0 = <&hdmitx_hpd_pins>, <&hdmitx_ddc_pins>;
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+ pinctrl-names = "default";
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+ hdmi-supply = <&vcc_5v>;
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+};
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+
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+&hdmi_tx_tmds_port {
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+ hdmi_tx_tmds_out: endpoint {
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+ remote-endpoint = <&hdmi_connector_in>;
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+ };
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+};
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+
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+&ir {
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+ status = "okay";
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+ pinctrl-0 = <&remote_input_ao_pins>;
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+ pinctrl-names = "default";
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+ linux,rc-map-name = "rc-odroid";
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+};
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+
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+&pwm_AO_cd {
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+ pinctrl-0 = <&pwm_ao_d_e_pins>;
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+ pinctrl-names = "default";
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+ clocks = <&xtal>;
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+ clock-names = "clkin1";
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+ status = "okay";
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+};
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+
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+&saradc {
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+ status = "okay";
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+};
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+
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+/* SD card */
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+&sd_emmc_b {
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+ status = "okay";
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+ pinctrl-0 = <&sdcard_c_pins>;
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+ pinctrl-1 = <&sdcard_clk_gate_c_pins>;
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+ pinctrl-names = "default", "clk-gate";
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+
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+ bus-width = <4>;
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+ cap-sd-highspeed;
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+ max-frequency = <200000000>;
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+ sd-uhs-sdr12;
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+ sd-uhs-sdr25;
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+ sd-uhs-sdr50;
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+ sd-uhs-sdr104;
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+ disable-wp;
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+
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+ cd-gpios = <&gpio GPIOC_6 GPIO_ACTIVE_LOW>;
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+ vmmc-supply = <&tflash_vdd>;
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+ vqmmc-supply = <&tf_io>;
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+};
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+
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+/* eMMC */
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+&sd_emmc_c {
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+ status = "okay";
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+ pinctrl-0 = <&emmc_ctrl_pins>, <&emmc_data_8b_pins>, <&emmc_ds_pins>;
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+ pinctrl-1 = <&emmc_clk_gate_pins>;
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+ pinctrl-names = "default", "clk-gate";
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+
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+ bus-width = <8>;
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+ cap-mmc-highspeed;
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+ mmc-ddr-1_8v;
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+ mmc-hs200-1_8v;
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+ max-frequency = <200000000>;
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+ disable-wp;
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+
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+ mmc-pwrseq = <&emmc_pwrseq>;
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+ vmmc-supply = <&vcc_3v3>;
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+ vqmmc-supply = <&flash_1v8>;
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+};
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+
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+&uart_AO {
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+ status = "okay";
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+ pinctrl-0 = <&uart_ao_a_pins>;
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+ pinctrl-names = "default";
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+};
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+
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+&usb {
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+ status = "okay";
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+ vbus-supply = <&usb_pwr_en>;
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+};
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+
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+&usb2_phy0 {
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+ phy-supply = <&vcc_5v>;
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+};
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+
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+&usb2_phy1 {
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+ /* Enable the hub which is connected to this port */
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+ phy-supply = <&hub_5v>;
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+};
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