1// SPDX-License-Identifier: (GPL-2.0+ OR MIT)
  2/*
  3 * Copyright (c) 2016 Andreas Färber
  4 * Copyright (c) 2016 BayLibre, Inc.
  5 * Author: Kevin Hilman <khilman@kernel.org>
  6 */
  7
  8/dts-v1/;
  9
 10#include "meson-gxbb-p20x.dtsi"
 11#include <dt-bindings/input/input.h>
 12
 13/ {
 14	compatible = "amlogic,p200", "amlogic,meson-gxbb";
 15	model = "Amlogic Meson GXBB P200 Development Board";
 16
 17	avdd18_usb_adc: regulator-avdd18_usb_adc {
 18		compatible = "regulator-fixed";
 19		regulator-name = "AVDD18_USB_ADC";
 20		regulator-min-microvolt = <1800000>;
 21		regulator-max-microvolt = <1800000>;
 22	};
 23
 24	adc_keys {
 25		compatible = "adc-keys";
 26		io-channels = <&saradc 0>;
 27		io-channel-names = "buttons";
 28		keyup-threshold-microvolt = <1800000>;
 29
 30		button-home {
 31			label = "Home";
 32			linux,code = <KEY_HOME>;
 33			press-threshold-microvolt = <900000>; /* 50% */
 34		};
 35
 36		button-esc {
 37			label = "Esc";
 38			linux,code = <KEY_ESC>;
 39			press-threshold-microvolt = <684000>; /* 38% */
 40		};
 41
 42		button-up {
 43			label = "Volume Up";
 44			linux,code = <KEY_VOLUMEUP>;
 45			press-threshold-microvolt = <468000>; /* 26% */
 46		};
 47
 48		button-down {
 49			label = "Volume Down";
 50			linux,code = <KEY_VOLUMEDOWN>;
 51			press-threshold-microvolt = <252000>; /* 14% */
 52		};
 53
 54		button-menu {
 55			label = "Menu";
 56			linux,code = <KEY_MENU>;
 57			press-threshold-microvolt = <0>; /* 0% */
 58		};
 59	};
 60};
 61
 62&ethmac {
 63	status = "okay";
 64	pinctrl-0 = <&eth_rgmii_pins>;
 65	pinctrl-names = "default";
 66	phy-handle = <&eth_phy0>;
 67	phy-mode = "rgmii";
 68
 69	amlogic,tx-delay-ns = <2>;
 70
 71	mdio {
 72		compatible = "snps,dwmac-mdio";
 73		#address-cells = <1>;
 74		#size-cells = <0>;
 75
 76		eth_phy0: ethernet-phy@3 {
 77			/* Micrel KSZ9031 (0x00221620) */
 78			reg = <3>;
 79
 80			reset-assert-us = <10000>;
 81			reset-deassert-us = <30000>;
 82			reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
 83
 84			interrupt-parent = <&gpio_intc>;
 85			/* MAC_INTR on GPIOZ_15 */
 86			interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
 87		};
 88	};
 89};
 90
 91&i2c_B {
 92	status = "okay";
 93	pinctrl-0 = <&i2c_b_pins>;
 94	pinctrl-names = "default";
 95};
 96
 97&saradc {
 98	status = "okay";
 99	vref-supply = <&avdd18_usb_adc>;
100};