1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2/*
3 * Copyright (c) 2016 Endless Computers, Inc.
4 * Author: Carlo Caione <carlo@endlessm.com>
5 */
6
7/dts-v1/;
8
9#include <dt-bindings/input/input.h>
10
11#include "meson-gxm.dtsi"
12#include "meson-gx-p23x-q20x.dtsi"
13
14/ {
15	compatible = "amlogic,q200", "amlogic,s912", "amlogic,meson-gxm";
16	model = "Amlogic Meson GXM (S912) Q200 Development Board";
17
18	adc-keys {
19		compatible = "adc-keys";
20		io-channels = <&saradc 0>;
21		io-channel-names = "buttons";
22		keyup-threshold-microvolt = <1710000>;
23
24		button-function {
25			label = "Update";
26			linux,code = <KEY_VENDOR>;
27			press-threshold-microvolt = <10000>;
28		};
29	};
30
31	gpio-keys-polled {
32		compatible = "gpio-keys-polled";
33		#address-cells = <1>;
34		#size-cells = <0>;
35		poll-interval = <100>;
36
37		button@0 {
38			label = "power";
39			linux,code = <KEY_POWER>;
40			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
41		};
42	};
43
44	vddio_ao18: regulator-vddio_ao18 {
45		compatible = "regulator-fixed";
46		regulator-name = "VDDIO_AO18";
47		regulator-min-microvolt = <1800000>;
48		regulator-max-microvolt = <1800000>;
49	};
50};
51
52/* Q200 has exclusive choice between internal or external PHY */
53&ethmac {
54	pinctrl-0 = <&eth_pins>;
55	pinctrl-names = "default";
56
57	/* Select external PHY by default */
58	phy-handle = <&external_phy>;
59
60	amlogic,tx-delay-ns = <2>;
61
62	/* External PHY reset is shared with internal PHY Led signals */
63	snps,reset-gpio = <&gpio GPIOZ_14 0>;
64	snps,reset-delays-us = <0 10000 1000000>;
65	snps,reset-active-low;
66
67	/* External PHY is in RGMII */
68	phy-mode = "rgmii";
69};
70
71&external_mdio {
72	external_phy: ethernet-phy@0 {
73		compatible = "ethernet-phy-id001c.c916", "ethernet-phy-ieee802.3-c22";
74		reg = <0>;
75		max-speed = <1000>;
76		interrupt-parent = <&gpio_intc>;
77		/* MAC_INTR on GPIOZ_15 */
78		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
79	};
80};
81
82&saradc {
83	status = "okay";
84	vref-supply = <&vddio_ao18>;
85};
86