From: "J. Neuschäfer" <j.ne@xxxxxxxxxx>
Fernsehfee[1] ("TV fairy") 3.0 is a set-top box with HDMI input and
output ports. It originally ran Android 4.4 and a Linux 3.10 kernel.
The following features are tested and known to work:
- Ethernet
- Power LED (switching between green and red)
- Power button
- eMMC
- SD Card
- USB
- Wifi
The following features are untested or not working:
- HDMI input and output
- Infrared remote control input and output
[1]: https://fernsehfee.de/ (German), https://telefairy.com/ (English)
Signed-off-by: J. Neuschäfer <j.ne@xxxxxxxxxx>
---
arch/arm/boot/dts/amlogic/Makefile | 1 +
arch/arm/boot/dts/amlogic/meson8-fernsehfee3.dts | 219 +++++++++++++++++++++++
arch/arm/boot/dts/amlogic/meson8.dtsi | 18 ++
3 files changed, 238 insertions(+)
diff --git a/arch/arm/boot/dts/amlogic/Makefile b/arch/arm/boot/dts/amlogic/Makefile
index 504c533b1173298ec7f45099888d88b2fb74b978..3c8a1e88b386cd7fb9b5f41f47d7ff78fe7eeacc 100644
--- a/arch/arm/boot/dts/amlogic/Makefile
+++ b/arch/arm/boot/dts/amlogic/Makefile
@@ -1,6 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
dtb-$(CONFIG_MACH_MESON8) += \
meson8-minix-neo-x8.dtb \
+ meson8-fernsehfee3.dtb \
meson8b-ec100.dtb \
meson8b-mxq.dtb \
meson8b-odroidc1.dtb \
diff --git a/arch/arm/boot/dts/amlogic/meson8-fernsehfee3.dts b/arch/arm/boot/dts/amlogic/meson8-fernsehfee3.dts
new file mode 100644
index 0000000000000000000000000000000000000000..47507316ac4a56f2bcf84ad0446a06ea9fe890cd
--- /dev/null
+++ b/arch/arm/boot/dts/amlogic/meson8-fernsehfee3.dts
@@ -0,0 +1,219 @@
+// SPDX-License-Identifier: GPL-2.0-only OR MIT
+// Copyright (C) 2025 J. Neuschäfer <j.ne@xxxxxxxxxx>
+
+/dts-v1/;
+
+#include <dt-bindings/gpio/gpio.h>
+#include <dt-bindings/input/linux-event-codes.h>
+#include <dt-bindings/leds/common.h>
+
+#include "meson8.dtsi"
+
+/ {
+ model = "Fernsehfee 3.0";
+ compatible = "tcu,fernsehfee3", "amlogic,meson8";
+
+ aliases {
+ serial0 = &uart_AO;
+ gpiochip0 = &gpio;
+ gpiochip1 = &gpio_ao;
+ i2c0 = &i2c_AO;
+ i2c1 = &i2c_B;
+ mmc0 = &sdhc;
+ mmc1 = &sdio;
+ };
+
+ chosen {
+ stdout-path = "serial0:115200n8";
+ };
+
+ memory@0 {
+ device_type = "memory";
+ reg = <0x0 0x40000000>; /* 1 GiB */
+ };
+
+ gpio-keys {
+ compatible = "gpio-keys-polled";
+ poll-interval = <100>;
+
+ power-button {
+ label = "Power button";
+ linux,code = <KEY_POWER>;
+ gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;
+ };
+ };
+
+ leds {
+ compatible = "gpio-leds";
+
+ led-0 {
+ /*
+ * The power LED can be turned red, otherwise it is green.
+ */
+ gpios = <&gpio_ao GPIO_TEST_N GPIO_ACTIVE_LOW>;
+ function = LED_FUNCTION_POWER;
+ color = <LED_COLOR_ID_RED>;
+ };
+ };
+
+ vcc_5v: regulator-5v {
+ /* 5V rail, always on as long as the system is running */
+ compatible = "regulator-fixed";
+ regulator-name = "5V";
+ regulator-min-microvolt = <5000000>;
+ regulator-max-microvolt = <5000000>;
+ regulator-always-on;
+ };
+
+ vcc_3v3: regulator-3v3 {
+ /* Chipown AP2420 step-down converter */
+ compatible = "regulator-fixed";
+ regulator-name = "3.3V";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc_5v>;
+ };
+
+ vcc_1v8: regulator-1v8 {
+ compatible = "regulator-fixed";
+ regulator-name = "1.8V";
+ regulator-min-microvolt = <1800000>;
+ regulator-max-microvolt = <1800000>;
+ vin-supply = <&vcc_3v3>;
+ };
+
+ wifi_3v3: regulator-wifi {
+ compatible = "regulator-fixed";
+ regulator-name = "3.3V-WIFI";
+ regulator-min-microvolt = <3300000>;
+ regulator-max-microvolt = <3300000>;
+ vin-supply = <&vcc_3v3>;
+ gpio = <&gpio GPIOX_11 GPIO_ACTIVE_HIGH>;
+ enable-active-high;
+ };
+};
+
+ðmac {
+ status = "okay";
+ pinctrl-0 = <ð_pins>;
+ pinctrl-names = "default";
+ phy-handle = <ð_phy0>;
+ phy-mode = "rmii";
+
+ mdio {
+ compatible = "snps,dwmac-mdio";
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ eth_phy0: ethernet-phy@0 {
+ /* IC Plus IP101A (0x02430c54) */
+ reg = <0>;
+
+ reset-assert-us = <10000>;
+ reset-deassert-us = <10000>;
+ reset-gpios = <&gpio GPIOH_4 GPIO_ACTIVE_LOW>;
+ };
+ };
+};
+
+&i2c_AO {
+ status = "okay";
+ pinctrl-0 = <&i2c_ao_pins>;
+ pinctrl-names = "default";
+
+ pmic@32 {
+ compatible = "ricoh,rn5t618";
+ reg = <0x32>;
+ system-power-controller;
+ };
+
+ eeprom@50 {
+ /* Fairchild FM24C08A */
+ compatible = "atmel,24c08";
+ reg = <0x50>;
+ pagesize = <16>;
+ wp-gpios = <&gpio GPIOH_3 GPIO_ACTIVE_HIGH>;
+ num-addresses = <4>;
+ };
+};
+
+&i2c_B {
+ status = "okay";
+ pinctrl-0 = <&i2c_b_pins>;
+ pinctrl-names = "default";
+
+ /* TODO: SiI9293 HDMI receiver @ 0x39 */
+};
+
+&sdhc {
+ status = "okay";
+ pinctrl-0 = <&sdxc_c_pins>;
+ pinctrl-names = "default";
+
+ /* eMMC */
+ bus-width = <8>;
+ max-frequency = <100000000>;
+
+ disable-wp;
+ cap-mmc-highspeed;
+ mmc-hs200-1_8v;
+ no-sdio;
+
+ vmmc-supply = <&vcc_3v3>;
+ vqmmc-supply = <&vcc_1v8>;
+};
+
+&sdio {
+ status = "okay";
+ pinctrl-0 = <&sd_b_pins>;
+
+ /* SD card */
+ sd_card_slot: slot@1 {
+ compatible = "mmc-slot";
+ reg = <1>;
+ status = "okay";
+
+ bus-width = <4>;
+ cap-mmc-highspeed;
+ cap-sd-highspeed;
+ disable-wp;
+
+ cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
+
+ vmmc-supply = <&vcc_3v3>;
+ };
+};
+
+&uart_AO {
+ status = "okay";
+ pinctrl-0 = <&uart_ao_a_pins>;
+ pinctrl-names = "default";
+};
+
+&usb0 {
+ status = "okay";
+};
+
+&usb0_phy {
+ status = "okay";
+};
+
+&usb1 {
+ status = "okay";
+ dr_mode = "host";
+ /*
+ * This bus features a Realtek RTL8188 2.4GHz WiFi module, with a
+ * 3.3V supply voltage that must be enabled before use.
+ */
+ vbus-supply = <&wifi_3v3>;
+};
+
+&usb1_phy {
+ status = "okay";
+};
+
+&ir_receiver {
+ status = "okay";
+ pinctrl-0 = <&ir_recv_pins>;
+ pinctrl-names = "default";
+};
diff --git a/arch/arm/boot/dts/amlogic/meson8.dtsi b/arch/arm/boot/dts/amlogic/meson8.dtsi
index 9ff142d9fe3f4576fdd3230a966c8a6250870de7..300eccbfc0071ce10290be1c496132ac6b6a4dbc 100644
--- a/arch/arm/boot/dts/amlogic/meson8.dtsi
+++ b/arch/arm/boot/dts/amlogic/meson8.dtsi
@@ -477,6 +477,14 @@ gpio: bank@80 {
gpio-ranges = <&pinctrl_cbus 0 0 120>;
};
+ i2c_b_pins: i2c-b {
+ mux {
+ groups = "i2c_sda_b", "i2c_sck_b";
+ function = "i2c_b";
+ bias-disable;
+ };
+ };
+
sd_a_pins: sd-a {
mux {
groups = "sd_d0_a", "sd_d1_a", "sd_d2_a",
@@ -522,6 +530,16 @@ mux {
};
};
+ sdxc_c_pins: sdxc-c {
+ mux {
+ groups = "sdxc_d0_c", "sdxc_d13_c",
+ "sdxc_clk_c", "sdxc_cmd_c",
+ "sdxc_d47_c";
+ function = "sdxc_c";
+ bias_pull_up;
+ };
+ };
+
spdif_out_pins: spdif-out {
mux {
groups = "spdif_out";
--
2.48.0.rc1.219.gb6b6757d772
