1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2016 BayLibre, SAS.
4 * Author: Neil Armstrong <narmstrong@baylibre.com>
5 *
6 * Copyright (c) 2016 Endless Computers, Inc.
7 * Author: Carlo Caione <carlo@endlessm.com>
8 */
9
10 /dts-v1/;
11
12 #include "meson-gxm.dtsi"
13 #include <dt-bindings/sound/meson-aiu.h>
14
15 / {
16 compatible = "nexbox,a1", "amlogic,s912", "amlogic,meson-gxm";
17 model = "NEXBOX A1";
18
19 aliases {
20 serial0 = &uart_AO;
21 ethernet0 = ðmac;
22 };
23
24 chosen {
25 stdout-path = "serial0:115200n8";
26 };
27
28 spdif_dit: audio-codec-0 {
29 #sound-dai-cells = <0>;
30 compatible = "linux,spdif-dit";
31 sound-name-prefix = "DIT";
32 };
33
34 memory@0 {
35 device_type = "memory";
36 reg = <0x0 0x0 0x0 0x80000000>;
37 };
38
39 vddio_boot: regulator-vddio-boot {
40 compatible = "regulator-fixed";
41 regulator-name = "VDDIO_BOOT";
42 regulator-min-microvolt = <1800000>;
43 regulator-max-microvolt = <1800000>;
44 };
45
46 vddao_3v3: regulator-vddao-3v3 {
47 compatible = "regulator-fixed";
48 regulator-name = "VDDAO_3V3";
49 regulator-min-microvolt = <3300000>;
50 regulator-max-microvolt = <3300000>;
51 };
52
53 vcc_3v3: regulator-vcc-3v3 {
54 compatible = "regulator-fixed";
55 regulator-name = "VCC_3V3";
56 regulator-min-microvolt = <3300000>;
57 regulator-max-microvolt = <3300000>;
58 };
59
60 emmc_pwrseq: emmc-pwrseq {
61 compatible = "mmc-pwrseq-emmc";
62 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
63 };
64
65 cvbs-connector {
66 compatible = "composite-video-connector";
67
68 port {
69 cvbs_connector_in: endpoint {
70 remote-endpoint = <&cvbs_vdac_out>;
71 };
72 };
73 };
74
75 hdmi-connector {
76 compatible = "hdmi-connector";
77 type = "a";
78
79 port {
80 hdmi_connector_in: endpoint {
81 remote-endpoint = <&hdmi_tx_tmds_out>;
82 };
83 };
84 };
85
86 sound {
87 compatible = "amlogic,gx-sound-card";
88 model = "NEXBOX-A1";
89 assigned-clocks = <&clkc CLKID_MPLL0>,
90 <&clkc CLKID_MPLL1>,
91 <&clkc CLKID_MPLL2>;
92 assigned-clock-parents = <0>, <0>, <0>;
93 assigned-clock-rates = <294912000>,
94 <270950400>,
95 <393216000>;
96
97 dai-link-0 {
98 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
99 };
100
101 dai-link-1 {
102 sound-dai = <&aiu AIU_CPU CPU_SPDIF_FIFO>;
103 };
104
105 dai-link-2 {
106 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
107 dai-format = "i2s";
108 mclk-fs = <256>;
109
110 codec-0 {
111 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
112 };
113 };
114
115 dai-link-3 {
116 sound-dai = <&aiu AIU_CPU CPU_SPDIF_ENCODER>;
117
118 codec-0 {
119 sound-dai = <&spdif_dit>;
120 };
121 };
122
123 dai-link-4 {
124 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
125
126 codec-0 {
127 sound-dai = <&hdmi_tx>;
128 };
129 };
130 };
131 };
132
133 &aiu {
134 status = "okay";
135 pinctrl-0 = <&spdif_out_h_pins>;
136 pinctrl-names = "default";
137 };
138
139 &cec_AO {
140 status = "okay";
141 pinctrl-0 = <&ao_cec_pins>;
142 pinctrl-names = "default";
143 hdmi-phandle = <&hdmi_tx>;
144 };
145
146 &cvbs_vdac_port {
147 cvbs_vdac_out: endpoint {
148 remote-endpoint = <&cvbs_connector_in>;
149 };
150 };
151
152 ðmac {
153 status = "okay";
154
155 pinctrl-0 = <ð_pins>;
156 pinctrl-names = "default";
157
158 /* Select external PHY by default */
159 phy-handle = <&external_phy>;
160
161 amlogic,tx-delay-ns = <2>;
162
163 /* External PHY is in RGMII */
164 phy-mode = "rgmii";
165 };
166
167 &external_mdio {
168 external_phy: ethernet-phy@0 {
169 /* Realtek RTL8211F (0x001cc916) */
170 reg = <0>;
171 max-speed = <1000>;
172
173 reset-assert-us = <10000>;
174 reset-deassert-us = <80000>;
175 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
176 };
177 };
178
179 &hdmi_tx {
180 status = "okay";
181 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
182 pinctrl-names = "default";
183 };
184
185 &hdmi_tx_tmds_port {
186 hdmi_tx_tmds_out: endpoint {
187 remote-endpoint = <&hdmi_connector_in>;
188 };
189 };
190
191 &ir {
192 status = "okay";
193 pinctrl-0 = <&remote_input_ao_pins>;
194 pinctrl-names = "default";
195 };
196
197 /* SD card */
198 &sd_emmc_b {
199 status = "okay";
200 pinctrl-0 = <&sdcard_pins>;
201 pinctrl-1 = <&sdcard_clk_gate_pins>;
202 pinctrl-names = "default", "clk-gate";
203
204 bus-width = <4>;
205 cap-sd-highspeed;
206 max-frequency = <50000000>;
207 disable-wp;
208
209 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
210
211 vmmc-supply = <&vddao_3v3>;
212 vqmmc-supply = <&vddio_boot>;
213 };
214
215 /* eMMC */
216 &sd_emmc_c {
217 status = "okay";
218 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
219 pinctrl-1 = <&emmc_clk_gate_pins>;
220 pinctrl-names = "default", "clk-gate";
221
222 bus-width = <8>;
223 cap-mmc-highspeed;
224 max-frequency = <200000000>;
225 non-removable;
226 disable-wp;
227 mmc-ddr-1_8v;
228 mmc-hs200-1_8v;
229
230 mmc-pwrseq = <&emmc_pwrseq>;
231 vmmc-supply = <&vcc_3v3>;
232 vqmmc-supply = <&vddio_boot>;
233 };
234
235 &uart_AO {
236 status = "okay";
237 pinctrl-0 = <&uart_ao_a_pins>;
238 pinctrl-names = "default";
239 };
240
241 &usb {
242 status = "okay";
243 dr_mode = "host";
244 };
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