xref: /linux/arch/arm64/boot/dts/amlogic/meson-gxm-q200.dts (revision be239684b18e1cdcafcf8c7face4a2f562c745ad) 
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		poll-interval = <100>;
34
35		button {
36			label = "power";
37			linux,code = <KEY_POWER>;
38			gpios = <&gpio_ao GPIOAO_2 GPIO_ACTIVE_LOW>;
39		};
40	};
41};
42
43/* Q200 has exclusive choice between internal or external PHY */
44&ethmac {
45	pinctrl-0 = <&eth_pins>;
46	pinctrl-names = "default";
47
48	/* Select external PHY by default */
49	phy-handle = <&external_phy>;
50
51	amlogic,tx-delay-ns = <2>;
52
53	/* External PHY is in RGMII */
54	phy-mode = "rgmii";
55};
56
57&external_mdio {
58	external_phy: ethernet-phy@0 {
59		/* Realtek RTL8211F (0x001cc916) */
60		reg = <0>;
61		max-speed = <1000>;
62
63		/* External PHY reset is shared with internal PHY Led signal */
64		reset-assert-us = <10000>;
65		reset-deassert-us = <80000>;
66		reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
67
68		interrupt-parent = <&gpio_intc>;
69		/* MAC_INTR on GPIOZ_15 */
70		interrupts = <25 IRQ_TYPE_LEVEL_LOW>;
71	};
72};
73
74&sd_emmc_a {
75	brcmf: wifi@1 {
76		reg = <1>;
77		compatible = "brcm,bcm4329-fmac";
78	};
79};
80