ARM: amlogic: add JetHub D1/H1 device support

Add support for new home automation devices.

JetHome Jethub D1 (http://jethome.ru/jethub-d1) is a home automation controller with the following features:
- DIN Rail Mounting case
- Amlogic A113X (ARM Cortex-A53) quad-core up to 1.5GHz
- no video out
- 512Mb/1GB DDR3
- 8/16GB eMMC flash
- 1 x USB 2.0
- 1 x 10/100Mbps ethernet
- WiFi / Bluetooth AMPAK AP6255 (Broadcom BCM43455) IEEE 802.11a/b/g/n/ac, Bluetooth 4.2.
- TI CC2538 + CC2592 Zigbee Wireless Module with up to 20dBm output power and Zigbee 3.0 support.
- 2 x gpio LEDS
- GPIO user Button
- 1 x 1-Wire
- 2 x RS-485
- 4 x dry contact digital GPIO inputs
- 3 x relay GPIO outputs
- DC source with a voltage of 9 to 56 V / Passive POE

JetHome Jethub H1 (http://jethome.ru/jethub-h1) is a home automation controller with the following features:
- Square plastic case
- Amlogic S905W (ARM Cortex-A53) quad-core up to 1.5GHz
- no video out
- 1GB DDR3
- 8/16GB eMMC flash
- 2 x USB 2.0
- 1 x 10/100Mbps ethernet
- WiFi / Bluetooth RTL8822CS IEEE 802.11a/b/g/n/ac, Bluetooth 5.0.
- TI CC2538 + CC2592 Zigbee Wireless Module with up to 20dBm output power and Zigbee 3.0 support.
- MicroSD 2.x/3.x/4.x DS/HS cards.
- 1 x gpio LED
- ADC user Button
- DC source 5V microUSB with serial console

Patches from:
- JetHub H1
  https://lore.kernel.org/r/20210915085715.1134940-4-adeep@lexina.in
  https://git.kernel.org/amlogic/c/abfaae24ecf3e7f00508b60fa05e2b6789b8f607
- JetHub D1
  https://lore.kernel.org/r/20210915085715.1134940-5-adeep@lexina.in
  https://git.kernel.org/amlogic/c/8e279fb2903990cc6296ec56b3b80b2f854b6c79

Signed-off-by: Vyacheslav Bocharov <adeep@lexina.in>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
[narmstrong: removed unused variable value]
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

arch/arm/dts/Makefile

@@ -169,10 +169,12 @@ dtb-$(CONFIG_ARCH_MESON) += \
 	meson-gxl-s905x-libretech-cc-v2.dtb \
 	meson-gxl-s905x-khadas-vim.dtb \
 	meson-gxl-s905d-libretech-pc.dtb \
+	meson-gxl-s905w-jethome-jethub-j80.dtb \
 	meson-gxm-khadas-vim2.dtb \
 	meson-gxm-s912-libretech-pc.dtb \
 	meson-gxm-wetek-core2.dtb \
 	meson-axg-s400.dtb \
+	meson-axg-jethome-jethub-j100.dtb \
 	meson-g12a-u200.dtb \
 	meson-g12a-sei510.dtb \
 	meson-g12b-gtking.dtb \

arch/arm/dts/meson-axg-jethome-jethub-j100.dts

@@ -0,0 +1,361 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2021 Vyacheslav Bocharov <adeep@lexina.in>
+ * Copyright (c) 2020 JetHome
+ * Author: Aleksandr Kazantsev <ak@tvip.ru>
+ * Author: Alexey Shevelkin <ash@tvip.ru>
+ * Author: Vyacheslav Bocharov <adeep@lexina.in>
+ */
+
+/dts-v1/;
+
+#include "meson-axg.dtsi"
+#include <dt-bindings/input/input.h>
+#include <dt-bindings/thermal/thermal.h>
+
+/ {
+	compatible = "jethome,jethub-j100", "amlogic,a113d", "amlogic,meson-axg";
+	model = "JetHome JetHub J100";
+	aliases {
+		serial0 = &uart_AO;   /* Console */
+		serial1 = &uart_AO_B; /* External UART (Wireless Module) */
+		ethernet0 = &ethmac;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	/* 1024MB RAM */
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x40000000>;
+	};
+
+	reserved-memory {
+		linux,cma {
+			size = <0x0 0x400000>;
+		};
+	};
+
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
+	};
+
+	vcc_3v3: regulator-vcc_3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vddao_3v3>;
+		regulator-always-on;
+	};
+
+	vcc_5v: regulator-vcc_5v {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC5V";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		regulator-always-on;
+	};
+
+	vddao_3v3: regulator-vddao_3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDAO_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+		vin-supply = <&vcc_5v>;
+		regulator-always-on;
+	};
+
+	vddio_ao18: regulator-vddio_ao18 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_AO18";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vddao_3v3>;
+		regulator-always-on;
+	};
+
+	vddio_boot: regulator-vddio_boot {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_BOOT";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+		vin-supply = <&vddao_3v3>;
+		regulator-always-on;
+	};
+
+	usb_pwr: regulator-usb_pwr {
+		compatible = "regulator-fixed";
+		regulator-name = "USB_PWR";
+		regulator-min-microvolt = <5000000>;
+		regulator-max-microvolt = <5000000>;
+		vin-supply = <&vcc_5v>;
+		regulator-always-on;
+	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&gpio GPIOX_7 GPIO_ACTIVE_LOW>;
+		clocks = <&wifi32k>;
+		clock-names = "ext_clock";
+	};
+
+	wifi32k: wifi32k {
+		compatible = "pwm-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+		pwms = <&pwm_ab 0 30518 0>; /* PWM_A at 32.768KHz */
+	};
+
+	thermal-zones {
+		cpu_thermal: cpu-thermal {
+			polling-delay-passive = <250>;
+			polling-delay = <1000>;
+			thermal-sensors = <&scpi_sensors 0>;
+			trips {
+				cpu_passive: cpu-passive {
+					temperature = <70000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "passive";
+				};
+
+				cpu_hot: cpu-hot {
+					temperature = <80000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "hot";
+				};
+
+				cpu_critical: cpu-critical {
+					temperature = <100000>; /* millicelsius */
+					hysteresis = <2000>; /* millicelsius */
+					type = "critical";
+				};
+			};
+		};
+
+		cpu_cooling_maps: cooling-maps {
+			map0 {
+				trip = <&cpu_passive>;
+				cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			};
+
+			map1 {
+				trip = <&cpu_hot>;
+				cooling-device = <&cpu0 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu1 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu2 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>,
+						<&cpu3 THERMAL_NO_LIMIT THERMAL_NO_LIMIT>;
+			};
+		};
+	};
+	onewire {
+		compatible = "w1-gpio";
+		gpios = <&gpio GPIOA_14 GPIO_ACTIVE_HIGH>;
+		#gpio-cells = <1>;
+	};
+};
+
+&efuse {
+	sn: sn@32 {
+		reg = <0x32 0x20>;
+	};
+
+	eth_mac: eth_mac@0 {
+		reg = <0x0 0x6>;
+	};
+
+	bt_mac: bt_mac@6 {
+		reg = <0x6 0x6>;
+	};
+
+	wifi_mac: wifi_mac@c {
+		reg = <0xc 0x6>;
+	};
+
+	bid: bid@12 {
+		reg = <0x12 0x20>;
+	};
+};
+
+&ethmac {
+	status = "okay";
+	pinctrl-0 = <&eth_rmii_x_pins>;
+	pinctrl-names = "default";
+	phy-handle = <&eth_phy0>;
+	phy-mode = "rmii";
+
+	mdio {
+		compatible = "snps,dwmac-mdio";
+		#address-cells = <1>;
+		#size-cells = <0>;
+
+		/* ICPlus IP101A/G Ethernet PHY (vendor_id=0x0243, model_id=0x0c54) */
+		eth_phy0: ethernet-phy@0 {
+			/* compatible = "ethernet-phy-id0243.0c54";*/
+			max-speed = <100>;
+			reg = <0>;
+
+			reset-assert-us = <10000>;
+			reset-deassert-us = <10000>;
+			reset-gpios = <&gpio GPIOZ_5 GPIO_ACTIVE_LOW>;
+		};
+	};
+};
+
+/* Internal I2C bus (on CPU module) */
+&i2c1 {
+	status = "okay";
+	pinctrl-0 = <&i2c1_z_pins>;
+	pinctrl-names = "default";
+
+	/* RTC */
+	pcf8563: pcf8563@51 {
+		compatible = "nxp,pcf8563";
+		reg = <0x51>;
+		status = "okay";
+	};
+};
+
+/* Peripheral I2C bus (on motherboard) */
+&i2c_AO {
+	status = "okay";
+	pinctrl-0 = <&i2c_ao_sck_10_pins>, <&i2c_ao_sda_11_pins>;
+	pinctrl-names = "default";
+};
+
+&pwm_ab {
+	status = "okay";
+	pinctrl-0 = <&pwm_a_x20_pins>;
+	pinctrl-names = "default";
+};
+
+/* wifi module */
+&sd_emmc_b {
+	status = "okay";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	pinctrl-0 = <&sdio_pins>;
+	pinctrl-1 = <&sdio_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <4>;
+	cap-sd-highspeed;
+	sd-uhs-sdr104;
+	max-frequency = <200000000>;
+	non-removable;
+	disable-wp;
+
+	mmc-pwrseq = <&sdio_pwrseq>;
+
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+
+	brcmf: wifi@1 {
+		reg = <1>;
+		compatible = "brcm,bcm4329-fmac";
+	};
+};
+
+/* emmc storage */
+&sd_emmc_c {
+	status = "okay";
+	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
+	pinctrl-1 = <&emmc_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	max-frequency = <200000000>;
+	non-removable;
+	disable-wp;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+
+	mmc-pwrseq = <&emmc_pwrseq>;
+
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+};
+
+/* UART Bluetooth */
+&uart_B {
+	status = "okay";
+	pinctrl-0 = <&uart_b_z_pins>, <&uart_b_z_cts_rts_pins>;
+	pinctrl-names = "default";
+	uart-has-rtscts;
+
+	bluetooth {
+		compatible = "brcm,bcm43438-bt";
+		shutdown-gpios = <&gpio GPIOZ_7 GPIO_ACTIVE_HIGH>;
+	};
+};
+
+/* UART Console */
+&uart_AO {
+	status = "okay";
+	pinctrl-0 = <&uart_ao_a_pins>;
+	pinctrl-names = "default";
+};
+
+/* UART Wireless module */
+&uart_AO_B {
+	status = "okay";
+	pinctrl-0 = <&uart_ao_b_pins>;
+	pinctrl-names = "default";
+};
+
+&usb {
+	status = "okay";
+	phy-supply = <&usb_pwr>;
+};
+
+&spicc1 {
+	status = "okay";
+	pinctrl-0 = <&spi1_x_pins>, <&spi1_ss0_x_pins>;
+	pinctrl-names = "default";
+};
+
+&gpio {
+	gpio-line-names =
+		"", "", "", "", "", // 0 - 4
+		"", "", "", "", "", // 5 - 9
+		"UserButton", "", "", "", "", // 10 - 14
+		"", "", "", "", "", // 15 - 19
+		"", "", "", "", "", // 20 - 24
+		"", "LedRed", "LedGreen", "Output3", "Output2", // 25 - 29
+		"Output1", "", "", "", "", // 30 - 34
+		"", "ZigBeeBOOT", "", "", "", // 35 - 39
+		"", "ZigBeeRESET", "", "Input4", "Input3", // 40 - 44
+		"Input2", "Input1", "", "", "", // 45 - 49
+		"", "", "", "", "", // 50 - 54
+		"", "", "", "", "", // 55 - 59
+		"", "", "", "", "", // 60 - 64
+		"", "", "", "", "", // 65 - 69
+		"", "", "", "", "", // 70 - 74
+		"", "", "", "", "", // 75 - 79
+		"", "", "", "", "", // 80 - 84
+		"", ""; // 85-86
+};
+
+&cpu0 {
+	#cooling-cells = <2>;
+};
+
+&cpu1 {
+	#cooling-cells = <2>;
+};
+
+&cpu2 {
+	#cooling-cells = <2>;
+};
+
+&cpu3 {
+	#cooling-cells = <2>;
+};

arch/arm/dts/meson-gxl-s905w-jethome-jethub-j80.dts

@@ -0,0 +1,241 @@
+// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
+/*
+ * Copyright (c) 2021 Vyacheslav Bocharov <adeep@lexina.in>
+ * Copyright (c) 2020 JetHome
+ * Author: Aleksandr Kazantsev <ak@tvip.ru>
+ * Author: Alexey Shevelkin <ash@tvip.ru>
+ * Author: Vyacheslav Bocharov <adeep@lexina.in>
+ */
+
+/dts-v1/;
+
+#include "meson-gxl.dtsi"
+
+/ {
+	compatible = "jethome,jethub-j80", "amlogic,s905w", "amlogic,meson-gxl";
+	model = "JetHome JetHub J80";
+	memory@0 {
+		device_type = "memory";
+		reg = <0x0 0x0 0x0 0x40000000>;
+	};
+
+	reserved-memory {
+		linux,cma {
+			size = <0x0 0x1000000>;
+		};
+	};
+
+	aliases {
+		serial0 = &uart_AO;   /* Console */
+		serial1 = &uart_A;    /* Bluetooth */
+		serial2 = &uart_AO_B; /* Wireless module 1 */
+		serial3 = &uart_C;    /* Wireless module 2 */
+		ethernet0 = &ethmac;
+	};
+
+	chosen {
+		stdout-path = "serial0:115200n8";
+	};
+
+	vddio_ao18: regulator-vddio_ao18 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_AO18";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	vddio_boot: regulator-vddio_boot {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDIO_BOOT";
+		regulator-min-microvolt = <1800000>;
+		regulator-max-microvolt = <1800000>;
+	};
+
+	vddao_3v3: regulator-vddao_3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VDDAO_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	vcc_3v3: regulator-vcc_3v3 {
+		compatible = "regulator-fixed";
+		regulator-name = "VCC_3V3";
+		regulator-min-microvolt = <3300000>;
+		regulator-max-microvolt = <3300000>;
+	};
+
+	emmc_pwrseq: emmc-pwrseq {
+		compatible = "mmc-pwrseq-emmc";
+		reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
+	};
+
+	wifi32k: wifi32k {
+		compatible = "pwm-clock";
+		#clock-cells = <0>;
+		clock-frequency = <32768>;
+		pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
+	};
+
+	sdio_pwrseq: sdio-pwrseq {
+		compatible = "mmc-pwrseq-simple";
+		reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
+		clocks = <&wifi32k>;
+		clock-names = "ext_clock";
+	};
+};
+
+&efuse {
+	bt_mac: bt_mac@6 {
+		reg = <0x6 0x6>;
+	};
+
+	wifi_mac: wifi_mac@C {
+		reg = <0xc 0x6>;
+	};
+};
+
+&sn {
+	reg = <0x32 0x20>;
+};
+
+&eth_mac {
+	reg = <0x0 0x6>;
+};
+
+&bid {
+	reg = <0x12 0x20>;
+};
+
+&usb {
+	status = "okay";
+	dr_mode = "host";
+};
+
+&pwm_ef {
+	status = "okay";
+	pinctrl-0 = <&pwm_e_pins>;
+	pinctrl-names = "default";
+	clocks = <&clkc CLKID_FCLK_DIV4>;
+	clock-names = "clkin0";
+};
+
+&saradc {
+	status = "okay";
+	vref-supply = <&vddio_ao18>;
+};
+
+/* Wireless SDIO Module */
+&sd_emmc_a {
+	status = "okay";
+	pinctrl-0 = <&sdio_pins>;
+	pinctrl-1 = <&sdio_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+	#address-cells = <1>;
+	#size-cells = <0>;
+
+	bus-width = <4>;
+	cap-sd-highspeed;
+	max-frequency = <50000000>;
+
+	non-removable;
+	disable-wp;
+
+	/* WiFi firmware requires power to be kept while in suspend */
+	keep-power-in-suspend;
+
+	mmc-pwrseq = <&sdio_pwrseq>;
+
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+};
+
+/* SD card */
+&sd_emmc_b {
+	status = "okay";
+	pinctrl-0 = <&sdcard_pins>;
+	pinctrl-1 = <&sdcard_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <4>;
+	cap-sd-highspeed;
+	max-frequency = <50000000>;
+	disable-wp;
+
+	cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
+
+	vmmc-supply = <&vddao_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+};
+
+/* eMMC */
+&sd_emmc_c {
+	status = "okay";
+	pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
+	pinctrl-1 = <&emmc_clk_gate_pins>;
+	pinctrl-names = "default", "clk-gate";
+
+	bus-width = <8>;
+	cap-mmc-highspeed;
+	max-frequency = <200000000>;
+	non-removable;
+	disable-wp;
+	mmc-ddr-1_8v;
+	mmc-hs200-1_8v;
+
+	mmc-pwrseq = <&emmc_pwrseq>;
+	vmmc-supply = <&vcc_3v3>;
+	vqmmc-supply = <&vddio_boot>;
+};
+
+/* Console UART */
+&uart_AO {
+	status = "okay";
+	pinctrl-0 = <&uart_ao_a_pins>;
+	pinctrl-names = "default";
+};
+
+/* S905W only has access to its internal PHY */
+&ethmac {
+	status = "okay";
+	phy-mode = "rmii";
+	phy-handle = <&internal_phy>;
+};
+
+&internal_phy {
+	status = "okay";
+	pinctrl-0 = <&eth_link_led_pins>, <&eth_act_led_pins>;
+	pinctrl-names = "default";
+};
+
+&uart_A {
+	status = "okay";
+	pinctrl-0 = <&uart_a_pins>, <&uart_a_cts_rts_pins>;
+	pinctrl-names = "default";
+	uart-has-rtscts;
+};
+
+&uart_C {
+	status = "okay";
+	pinctrl-0 = <&uart_c_pins>;
+	pinctrl-names = "default";
+};
+
+&uart_AO_B {
+	status = "okay";
+	pinctrl-0 = <&uart_ao_b_pins>, <&uart_ao_b_cts_rts_pins>;
+	pinctrl-names = "default";
+	uart-has-rtscts;
+};
+
+&i2c_B {
+	status = "okay";
+	pinctrl-names = "default";
+	pinctrl-0 = <&i2c_b_pins>;
+
+	pcf8563: pcf8563@51 {
+		compatible = "nxp,pcf8563";
+		reg = <0x51>;
+		status = "okay";
+	};
+};

board/amlogic/jethub-j80/MAINTAINERS

@@ -0,0 +1,9 @@
+JetHome JetHub
+M:	Vyacheslav Bocharov <adeep@lexina.in>
+S:	Maintained
+L:	u-boot-amlogic@groups.io
+F:	board/amlogic/jethub-j80/
+F:	configs/jethub_j80_defconfig
+F:	configs/jethub_j100_defconfig
+F:	doc/board/amlogic/jethub-j80.rst
+F:	doc/board/amlogic/jethub-j100.rst

board/amlogic/jethub-j80/Makefile

@@ -0,0 +1,6 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2021 Vyacheslav Bocharov
+# Author: Vyacheslav Bocharov <adeep@lexina.in>
+
+obj-y	:= jethub-j80.o

board/amlogic/jethub-j80/jethub-j80.c

@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2021 Vyacheslav Bocharov
+ * Author: Vyacheslav Bocharov <adeep@lexina.in>
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ *
+ */
+
+#include <common.h>
+#include <dm.h>
+#include <adc.h>
+#include <env.h>
+#include <init.h>
+#include <net.h>
+#include <asm/io.h>
+#include <asm/arch/gx.h>
+#include <asm/arch/sm.h>
+#include <asm/arch/eth.h>
+#include <asm/arch/mem.h>
+
+#define EFUSE_SN_OFFSET		50
+#define EFUSE_SN_SIZE		32
+#define EFUSE_MAC_OFFSET	0
+#define EFUSE_MAC_SIZE		6
+#define EFUSE_USID_OFFSET	18
+#define EFUSE_USID_SIZE		32
+
+int misc_init_r(void)
+{
+	u8 mac_addr[EFUSE_MAC_SIZE];
+	char serial[EFUSE_SN_SIZE];
+	char usid[EFUSE_USID_SIZE];
+	ssize_t len;
+	unsigned int adcval;
+	int ret;
+
+	if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
+		len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
+					  mac_addr, EFUSE_MAC_SIZE);
+		if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
+			eth_env_set_enetaddr("ethaddr", mac_addr);
+		else
+			meson_generate_serial_ethaddr();
+	}
+
+	if (!env_get("serial")) {
+		len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
+					  EFUSE_SN_SIZE);
+		if (len == EFUSE_SN_SIZE)
+			env_set("serial", serial);
+	}
+
+	if (!env_get("usid")) {
+		len = meson_sm_read_efuse(EFUSE_USID_OFFSET, usid,
+					  EFUSE_USID_SIZE);
+		if (len == EFUSE_USID_SIZE)
+			env_set("usid", usid);
+	}
+
+	ret = adc_channel_single_shot("adc@8680", 0, &adcval);
+	if (adcval < 3000)
+		env_set("userbutton", "true");
+	else
+		env_set("userbutton", "false");
+
+	return 0;
+}

configs/jethub_j100_defconfig

@@ -0,0 +1,63 @@
+CONFIG_ARM=y
+CONFIG_SYS_CONFIG_NAME="jethub"
+CONFIG_ARCH_MESON=y
+CONFIG_SYS_TEXT_BASE=0x01000000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x2000
+CONFIG_DM_GPIO=y
+CONFIG_DEFAULT_DEVICE_TREE="meson-axg-jethome-jethub-j100"
+CONFIG_MESON_AXG=y
+CONFIG_DEBUG_UART_BASE=0xff803000
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_IDENT_STRING=" jethubj100"
+CONFIG_DEBUG_UART=y
+CONFIG_SYS_LOAD_ADDR=0x01000000
+CONFIG_OF_BOARD_SETUP=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_MISC_INIT_R=y
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_IMI is not set
+CONFIG_CMD_EEPROM=y
+CONFIG_CMD_GPIO=y
+CONFIG_RANDOM_UUID=y
+CONFIG_CMD_I2C=y
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+CONFIG_CMD_RTC=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_PARTITION_TYPE_GUID=y
+CONFIG_OF_CONTROL=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_MESON=y
+CONFIG_MMC_MESON_GX=y
+CONFIG_MTD_UBI=y
+CONFIG_PHY_REALTEK=y
+CONFIG_DM_ETH=y
+CONFIG_ETH_DESIGNWARE_MESON8B=y
+CONFIG_MESON_GXL_USB_PHY=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_MESON_AXG=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_RESET=y
+CONFIG_DM_RTC=y
+CONFIG_RTC_PCF8563=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_DEBUG_UART_SKIP_INIT=y
+CONFIG_MESON_SERIAL=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC2=y
+CONFIG_USB_DWC3=y
+# CONFIG_USB_DWC3_GADGET is not set
+CONFIG_USB_DWC3_MESON_GXL=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_VENDOR_NUM=0x1b8e
+CONFIG_USB_GADGET_PRODUCT_NUM=0xfada
+CONFIG_USB_GADGET_DWC2_OTG=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_OF_LIBFDT_OVERLAY=y

configs/jethub_j80_defconfig

@@ -0,0 +1,71 @@
+CONFIG_ARM=y
+CONFIG_SYS_BOARD="jethub-j80"
+CONFIG_SYS_CONFIG_NAME="jethub"
+CONFIG_ARCH_MESON=y
+CONFIG_SYS_TEXT_BASE=0x01000000
+CONFIG_NR_DRAM_BANKS=1
+CONFIG_ENV_SIZE=0x2000
+CONFIG_DM_GPIO=y
+CONFIG_DEFAULT_DEVICE_TREE="meson-gxl-s905w-jethome-jethub-j80"
+CONFIG_MESON_GXL=y
+CONFIG_DEBUG_UART_BASE=0xc81004c0
+CONFIG_DEBUG_UART_CLOCK=24000000
+CONFIG_IDENT_STRING=" jethubj80"
+CONFIG_DEBUG_UART=y
+CONFIG_SYS_LOAD_ADDR=0x01000000
+CONFIG_OF_BOARD_SETUP=y
+CONFIG_CONSOLE_MUX=y
+# CONFIG_DISPLAY_CPUINFO is not set
+CONFIG_MISC_INIT_R=y
+# CONFIG_CMD_BDI is not set
+# CONFIG_CMD_IMI is not set
+CONFIG_CMD_EEPROM=y
+CONFIG_CMD_ADC=y
+CONFIG_CMD_GPIO=y
+CONFIG_RANDOM_UUID=y
+CONFIG_CMD_I2C=y
+# CONFIG_CMD_LOADS is not set
+CONFIG_CMD_MMC=y
+CONFIG_CMD_USB=y
+CONFIG_CMD_USB_MASS_STORAGE=y
+CONFIG_CMD_RTC=y
+CONFIG_CMD_REGULATOR=y
+CONFIG_PARTITION_TYPE_GUID=y
+CONFIG_OF_CONTROL=y
+CONFIG_SYS_RELOC_GD_ENV_ADDR=y
+CONFIG_NET_RANDOM_ETHADDR=y
+CONFIG_SARADC_MESON=y
+CONFIG_DM_I2C=y
+CONFIG_SYS_I2C_MESON=y
+CONFIG_MMC_MESON_GX=y
+CONFIG_MTD_UBI=y
+CONFIG_PHY_MESON_GXL=y
+CONFIG_DM_ETH=y
+CONFIG_DM_MDIO=y
+CONFIG_DM_MDIO_MUX=y
+CONFIG_ETH_DESIGNWARE_MESON8B=y
+CONFIG_MDIO_MUX_MMIOREG=y
+CONFIG_MESON_GXL_USB_PHY=y
+CONFIG_PINCTRL=y
+CONFIG_PINCTRL_MESON_GXL=y
+CONFIG_DM_REGULATOR=y
+CONFIG_DM_REGULATOR_FIXED=y
+CONFIG_DM_RESET=y
+CONFIG_DM_RTC=y
+CONFIG_RTC_PCF8563=y
+CONFIG_DEBUG_UART_ANNOUNCE=y
+CONFIG_DEBUG_UART_SKIP_INIT=y
+CONFIG_MESON_SERIAL=y
+CONFIG_USB=y
+CONFIG_USB_XHCI_HCD=y
+CONFIG_USB_XHCI_DWC3=y
+CONFIG_USB_DWC2=y
+CONFIG_USB_DWC3=y
+# CONFIG_USB_DWC3_GADGET is not set
+CONFIG_USB_DWC3_MESON_GXL=y
+CONFIG_USB_GADGET=y
+CONFIG_USB_GADGET_VENDOR_NUM=0x1b8e
+CONFIG_USB_GADGET_PRODUCT_NUM=0xfada
+CONFIG_USB_GADGET_DWC2_OTG=y
+CONFIG_USB_GADGET_DOWNLOAD=y
+CONFIG_OF_LIBFDT_OVERLAY=y