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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (C) 2025 J. Neuschäfer <j.ne@posteo.net>
*
* Debug UART (3.3V, 115200 baud) at the corner of the board:
* (4) (3) (2) [1]
* Vcc RXD TXD GND
*/
/dts-v1/;
#include <dt-bindings/input/input.h>
#include <dt-bindings/interrupt-controller/amlogic,meson-g12a-gpio-intc.h>
#include "meson-gxm.dtsi"
#include "meson-gx-p23x-q20x.dtsi"
/ {
compatible = "ugoos,am3", "amlogic,s912", "amlogic,meson-gxm";
model = "Ugoos AM3";
adc-keys {
compatible = "adc-keys";
io-channels = <&saradc 0>;
io-channel-names = "buttons";
keyup-threshold-microvolt = <1710000>;
button-function {
label = "Update";
linux,code = <KEY_VENDOR>;
press-threshold-microvolt = <10000>;
};
};
};
&cvbs_connector {
/* Not used on this board */
status = "disabled";
};
ðmac {
pinctrl-0 = <ð_pins>;
pinctrl-names = "default";
/* Select external PHY by default */
phy-handle = <&external_phy>;
amlogic,tx-delay-ns = <2>;
/* External PHY is in RGMII */
phy-mode = "rgmii";
status = "okay";
};
&external_mdio {
external_phy: ethernet-phy@0 {
/* Realtek RTL8211F (0x001cc916) */
reg = <0>;
reset-assert-us = <10000>;
reset-deassert-us = <80000>;
reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
interrupt-parent = <&gpio_intc>;
/* MAC_INTR on GPIOZ_15 */
interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
};
};
&i2c_B {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&i2c_b_pins>;
rtc: rtc@51 {
compatible = "haoyu,hym8563";
reg = <0x51>;
#clock-cells = <0>;
};
};
/* WLAN: Atheros 10k (QCA9377) */
&sd_emmc_a {
max-frequency = <200000000>;
};
/* eMMC */
&sd_emmc_c {
max-frequency = <100000000>;
};
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