arm64/amlogic/meson-gxbb-p200.dts

0001 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
0002 /*
0003  * Copyright (c) 2016 Andreas Färber
0004  * Copyright (c) 2016 BayLibre, Inc.
0005  * Author: Kevin Hilman <khilman@kernel.org>
0006  */
0007
0008 /dts-v1/;
0009
0010 #include "meson-gxbb-p20x.dtsi"
0011 #include <dt-bindings/input/input.h>
0012
0013 / {
0014         compatible = "amlogic,p200", "amlogic,meson-gxbb";
0015         model = "Amlogic Meson GXBB P200 Development Board";
0016
0017         avdd18_usb_adc: regulator-avdd18_usb_adc {
0018                 compatible = "regulator-fixed";
0019                 regulator-name = "AVDD18_USB_ADC";
0020                 regulator-min-microvolt = <1800000>;
0021                 regulator-max-microvolt = <1800000>;
0022         };
0023
0024         adc_keys {
0025                 compatible = "adc-keys";
0026                 io-channels = <&saradc 0>;
0027                 io-channel-names = "buttons";
0028                 keyup-threshold-microvolt = <1800000>;
0029
0030                 button-home {
0031                         label = "Home";
0032                         linux,code = <KEY_HOME>;
0033                         press-threshold-microvolt = <900000>; /* 50% */
0034                 };
0035
0036                 button-esc {
0037                         label = "Esc";
0038                         linux,code = <KEY_ESC>;
0039                         press-threshold-microvolt = <684000>; /* 38% */
0040                 };
0041
0042                 button-up {
0043                         label = "Volume Up";
0044                         linux,code = <KEY_VOLUMEUP>;
0045                         press-threshold-microvolt = <468000>; /* 26% */
0046                 };
0047
0048                 button-down {
0049                         label = "Volume Down";
0050                         linux,code = <KEY_VOLUMEDOWN>;
0051                         press-threshold-microvolt = <252000>; /* 14% */
0052                 };
0053
0054                 button-menu {
0055                         label = "Menu";
0056                         linux,code = <KEY_MENU>;
0057                         press-threshold-microvolt = <0>; /* 0% */
0058                 };
0059         };
0060 };
0061
0062 &ethmac {
0063         status = "okay";
0064         pinctrl-0 = <&eth_rgmii_pins>;
0065         pinctrl-names = "default";
0066         phy-handle = <&eth_phy0>;
0067         phy-mode = "rgmii";
0068
0069         amlogic,tx-delay-ns = <2>;
0070
0071         mdio {
0072                 compatible = "snps,dwmac-mdio";
0073                 #address-cells = <1>;
0074                 #size-cells = <0>;
0075
0076                 eth_phy0: ethernet-phy@3 {
0077                         /* Micrel KSZ9031 (0x00221620) */
0078                         reg = <3>;
0079
0080                         reset-assert-us = <10000>;
0081                         reset-deassert-us = <30000>;
0082                         reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
0083
0084                         interrupt-parent = <&gpio_intc>;
0085                         /* MAC_INTR on GPIOZ_15 */
0086                         interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
0087                 };
0088         };
0089 };
0090
0091 &i2c_B {
0092         status = "okay";
0093         pinctrl-0 = <&i2c_b_pins>;
0094         pinctrl-names = "default";
0095 };
0096
0097 &saradc {
0098         status = "okay";
0099         vref-supply = <&avdd18_usb_adc>;
0100 };