xref: /linux/arch/arm64/boot/dts/amlogic/meson-gxbb-p200.dts (revision 4e94ddfe2aab72139acb8d5372fac9e6c3f3e383) 
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		status = "okay";
22		sound-name-prefix = "DIT";
23	};
24
25	avdd18_usb_adc: regulator-avdd18_usb_adc {
26		compatible = "regulator-fixed";
27		regulator-name = "AVDD18_USB_ADC";
28		regulator-min-microvolt = <1800000>;
29		regulator-max-microvolt = <1800000>;
30	};
31
32	adc_keys {
33		compatible = "adc-keys";
34		io-channels = <&saradc 0>;
35		io-channel-names = "buttons";
36		keyup-threshold-microvolt = <1800000>;
37
38		button-home {
39			label = "Home";
40			linux,code = <KEY_HOME>;
41			press-threshold-microvolt = <900000>; /* 50% */
42		};
43
44		button-esc {
45			label = "Esc";
46			linux,code = <KEY_ESC>;
47			press-threshold-microvolt = <684000>; /* 38% */
48		};
49
50		button-up {
51			label = "Volume Up";
52			linux,code = <KEY_VOLUMEUP>;
53			press-threshold-microvolt = <468000>; /* 26% */
54		};
55
56		button-down {
57			label = "Volume Down";
58			linux,code = <KEY_VOLUMEDOWN>;
59			press-threshold-microvolt = <252000>; /* 14% */
60		};
61
62		button-menu {
63			label = "Menu";
64			linux,code = <KEY_MENU>;
65			press-threshold-microvolt = <0>; /* 0% */
66		};
67	};
68
69	sound {
70		compatible = "amlogic,gx-sound-card";
71		model = "P200";
72		assigned-clocks = <&clkc CLKID_MPLL0>,
73				  <&clkc CLKID_MPLL1>,
74				  <&clkc CLKID_MPLL2>;
75		assigned-clock-parents = <0>, <0>, <0>;
76		assigned-clock-rates = <294912000>,
77				       <270950400>,
78				       <393216000>;
79
80		dai-link-0 {
81			sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
82		};
83
84		dai-link-1 {
85			sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;
86		};
87
88		dai-link-2 {
89			sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
90			dai-format = "i2s";
91			mclk-fs = <256>;
92
93			codec-0 {
94				sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
95			};
96		};
97
98		dai-link-3 {
99			sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
100
101			codec-0 {
102				sound-dai = <&spdif_dit>;
103			};
104		};
105
106		dai-link-4 {
107			sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
108
109			codec-0 {
110				sound-dai = <&hdmi_tx>;
111			};
112		};
113	};
114};
115
116&aiu {
117	status = "okay";
118	pinctrl-0 = <&spdif_out_y_pins>;
119	pinctrl-names = "default";
120};
121
122&ethmac {
123	status = "okay";
124	pinctrl-0 = <&eth_rgmii_pins>;
125	pinctrl-names = "default";
126	phy-handle = <&eth_phy0>;
127	phy-mode = "rgmii";
128
129	amlogic,tx-delay-ns = <2>;
130
131	mdio {
132		compatible = "snps,dwmac-mdio";
133		#address-cells = <1>;
134		#size-cells = <0>;
135
136		eth_phy0: ethernet-phy@3 {
137			/* Micrel KSZ9031 (0x00221620) */
138			reg = <3>;
139
140			reset-assert-us = <10000>;
141			reset-deassert-us = <30000>;
142			reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
143
144			interrupt-parent = <&gpio_intc>;
145			/* MAC_INTR on GPIOZ_15 */
146			interrupts = <29 IRQ_TYPE_LEVEL_LOW>;
147		};
148	};
149};
150
151&i2c_B {
152	status = "okay";
153	pinctrl-0 = <&i2c_b_pins>;
154	pinctrl-names = "default";
155};
156
157&saradc {
158	status = "okay";
159	vref-supply = <&avdd18_usb_adc>;
160};
161