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 #include <dt-bindings/sound/meson-aiu.h>
13
14 / {
15 compatible = "amlogic,p200", "amlogic,meson-gxbb";
16 model = "Amlogic Meson GXBB P200 Development Board";
17
18 spdif_dit: audio-codec-0 {
19 #sound-dai-cells = <0>;
20 compatible = "linux,spdif-dit";
21 sound-name-prefix = "DIT";
22 };
23
24 avdd18_usb_adc: regulator-avdd18-usb-adc {
25 compatible = "regulator-fixed";
26 regulator-name = "AVDD18_USB_ADC";
27 regulator-min-microvolt = <1800000>;
28 regulator-max-microvolt = <1800000>;
29 };
30
31 keys {
32 compatible = "adc-keys";
33 io-channels = <&saradc 0>;
34 io-channel-names = "buttons";
35 keyup-threshold-microvolt = <1800000>;
36
37 button-home {
38 label = "Home";
39 linux,code = <KEY_HOME>;
40 press-threshold-microvolt = <900000>; /* 50% */
41 };
42
43 button-esc {
44 label = "Esc";
45 linux,code = <KEY_ESC>;
46 press-threshold-microvolt = <684000>; /* 38% */
47 };
48
49 button-up {
50 label = "Volume Up";
51 linux,code = <KEY_VOLUMEUP>;
52 press-threshold-microvolt = <468000>; /* 26% */
53 };
54
55 button-down {
56 label = "Volume Down";
57 linux,code = <KEY_VOLUMEDOWN>;
58 press-threshold-microvolt = <252000>; /* 14% */
59 };
60
61 button-menu {
62 label = "Menu";
63 linux,code = <KEY_MENU>;
64 press-threshold-microvolt = <0>; /* 0% */
65 };
66 };
67
68 sound {
69 compatible = "amlogic,gx-sound-card";
70 model = "P200";
71 assigned-clocks = <&clkc CLKID_MPLL0>,
72 <&clkc CLKID_MPLL1>,
73 <&clkc CLKID_MPLL2>;
74 assigned-clock-parents = <0>, <0>, <0>;
75 assigned-clock-rates = <294912000>,
76 <270950400>,
77 <393216000>;
78
79 dai-link-0 {
80 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
81 };
82
83 dai-link-1 {
84 sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;
85 };
86
87 dai-link-2 {
88 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
89 dai-format = "i2s";
90 mclk-fs = <256>;
91
92 codec-0 {
93 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
94 };
95 };
96
97 dai-link-3 {
98 sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
99
100 codec-0 {
101 sound-dai = <&spdif_dit>;
102 };
103 };
104
105 dai-link-4 {
106 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
107
108 codec-0 {
109 sound-dai = <&hdmi_tx>;
110 };
111 };
112 };
113 };
114
115 &aiu {
116 status = "okay";
117 pinctrl-0 = <&spdif_out_y_pins>;
118 pinctrl-names = "default";
119 };
120
121 ðmac {
122 status = "okay";
123 pinctrl-0 = <ð_rgmii_pins>;
124 pinctrl-names = "default";
125 phy-handle = <ð_phy0>;
126 phy-mode = "rgmii";
127
128 amlogic,tx-delay-ns = <2>;
129
130 mdio {
131 compatible = "snps,dwmac-mdio";
132 #address-cells = <1>;
133 #size-cells = <0>;
134
135 eth_phy0: ethernet-phy@3 {
136 /* Micrel KSZ9031 (0x00221620) */
137 reg = <3>;
138
139 reset-assert-us = <10000>;
140 reset-deassert-us = <30000>;
141 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
142
143 interrupt-parent = <&gpio_intc>;
144 /* MAC_INTR on GPIOZ_15 */
145 interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
146 };
147 };
148 };
149
150 &i2c_B {
151 status = "okay";
152 pinctrl-0 = <&i2c_b_pins>;
153 pinctrl-names = "default";
154 };
155
156 &saradc {
157 status = "okay";
158 vref-supply = <&avdd18_usb_adc>;
159 };
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