1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2 /*
3 * Copyright (c) 2016 Andreas Färber
4 * Copyright (c) 2016 BayLibre, Inc.
5 * Author: Neil Armstrong <narmstrong@kernel.org>
6 */
7
8 /dts-v1/;
9
10 #include "meson-gxbb.dtsi"
11 #include <dt-bindings/gpio/gpio.h>
12 #include <dt-bindings/input/input.h>
13 #include <dt-bindings/sound/meson-aiu.h>
14
15 / {
16 compatible = "nexbox,a95x", "amlogic,meson-gxbb";
17 model = "NEXBOX A95X";
18
19 aliases {
20 serial0 = &uart_AO;
21 ethernet0 = ðmac;
22 };
23
24 chosen {
25 stdout-path = "serial0:115200n8";
26 };
27
28 memory@0 {
29 device_type = "memory";
30 reg = <0x0 0x0 0x0 0x40000000>;
31 };
32
33 leds {
34 compatible = "gpio-leds";
35 led-blue {
36 label = "a95x:system-status";
37 gpios = <&gpio_ao GPIOAO_13 GPIO_ACTIVE_LOW>;
38 linux,default-trigger = "heartbeat";
39 default-state = "off";
40 };
41 };
42
43 gpio-keys-polled {
44 compatible = "gpio-keys-polled";
45 poll-interval = <100>;
46
47 button {
48 label = "reset";
49 linux,code = <KEY_RESTART>;
50 gpios = <&gpio_ao GPIOAO_3 GPIO_ACTIVE_LOW>;
51 };
52 };
53
54 usb_pwr: regulator-usb-pwrs {
55 compatible = "regulator-fixed";
56
57 regulator-name = "USB_PWR";
58
59 regulator-min-microvolt = <5000000>;
60 regulator-max-microvolt = <5000000>;
61
62 gpio = <&gpio GPIODV_24 GPIO_ACTIVE_HIGH>;
63 enable-active-high;
64 };
65
66 vddio_card: gpio-regulator {
67 compatible = "regulator-gpio";
68
69 regulator-name = "VDDIO_CARD";
70 regulator-min-microvolt = <1800000>;
71 regulator-max-microvolt = <3300000>;
72
73 gpios = <&gpio_ao GPIOAO_5 GPIO_ACTIVE_HIGH>;
74 gpios-states = <1>;
75
76 /* Based on P200 schematics, signal CARD_1.8V/3.3V_CTR */
77 states = <1800000 0>,
78 <3300000 1>;
79 };
80
81 vddio_boot: regulator-vddio-boot {
82 compatible = "regulator-fixed";
83 regulator-name = "VDDIO_BOOT";
84 regulator-min-microvolt = <1800000>;
85 regulator-max-microvolt = <1800000>;
86 };
87
88 vddao_3v3: regulator-vddao-3v3 {
89 compatible = "regulator-fixed";
90 regulator-name = "VDDAO_3V3";
91 regulator-min-microvolt = <3300000>;
92 regulator-max-microvolt = <3300000>;
93 };
94
95 vcc_3v3: regulator-vcc-3v3 {
96 compatible = "regulator-fixed";
97 regulator-name = "VCC_3V3";
98 regulator-min-microvolt = <3300000>;
99 regulator-max-microvolt = <3300000>;
100 };
101
102 emmc_pwrseq: emmc-pwrseq {
103 compatible = "mmc-pwrseq-emmc";
104 reset-gpios = <&gpio BOOT_9 GPIO_ACTIVE_LOW>;
105 };
106
107 wifi32k: wifi32k {
108 compatible = "pwm-clock";
109 #clock-cells = <0>;
110 clock-frequency = <32768>;
111 pwms = <&pwm_ef 0 30518 0>; /* PWM_E at 32.768KHz */
112 };
113
114 sdio_pwrseq: sdio-pwrseq {
115 compatible = "mmc-pwrseq-simple";
116 reset-gpios = <&gpio GPIOX_6 GPIO_ACTIVE_LOW>;
117 clocks = <&wifi32k>;
118 clock-names = "ext_clock";
119 };
120
121 cvbs-connector {
122 compatible = "composite-video-connector";
123
124 port {
125 cvbs_connector_in: endpoint {
126 remote-endpoint = <&cvbs_vdac_out>;
127 };
128 };
129 };
130
131 hdmi-connector {
132 compatible = "hdmi-connector";
133 type = "a";
134
135 port {
136 hdmi_connector_in: endpoint {
137 remote-endpoint = <&hdmi_tx_tmds_out>;
138 };
139 };
140 };
141
142 sound {
143 compatible = "amlogic,gx-sound-card";
144 model = "NEXBOX-A95X";
145 clocks = <&clkc CLKID_MPLL0>,
146 <&clkc CLKID_MPLL1>,
147 <&clkc CLKID_MPLL2>;
148
149 assigned-clocks = <&clkc CLKID_MPLL0>,
150 <&clkc CLKID_MPLL1>,
151 <&clkc CLKID_MPLL2>;
152 assigned-clock-parents = <0>, <0>, <0>;
153 assigned-clock-rates = <294912000>,
154 <270950400>,
155 <393216000>;
156
157 dai-link-0 {
158 sound-dai = <&aiu AIU_CPU CPU_I2S_FIFO>;
159 };
160
161 dai-link-1 {
162 sound-dai = <&aiu AIU_CPU CPU_I2S_ENCODER>;
163 dai-format = "i2s";
164 mclk-fs = <256>;
165
166 codec-0 {
167 sound-dai = <&aiu AIU_HDMI CTRL_I2S>;
168 };
169 };
170
171 dai-link-2 {
172 sound-dai = <&aiu AIU_HDMI CTRL_OUT>;
173
174 codec-0 {
175 sound-dai = <&hdmi_tx>;
176 };
177 };
178 };
179 };
180
181 &aiu {
182 status = "okay";
183 };
184
185 &cvbs_vdac_port {
186 cvbs_vdac_out: endpoint {
187 remote-endpoint = <&cvbs_connector_in>;
188 };
189 };
190
191 &cec_AO {
192 status = "okay";
193 pinctrl-0 = <&ao_cec_pins>;
194 pinctrl-names = "default";
195 hdmi-phandle = <&hdmi_tx>;
196 };
197
198 ðmac {
199 status = "okay";
200 pinctrl-0 = <ð_rmii_pins>;
201 pinctrl-names = "default";
202
203 phy-handle = <ð_phy0>;
204 phy-mode = "rmii";
205
206 mdio {
207 compatible = "snps,dwmac-mdio";
208 #address-cells = <1>;
209 #size-cells = <0>;
210
211 eth_phy0: ethernet-phy@0 {
212 /* IC Plus IP101GR (0x02430c54) */
213 reg = <0>;
214
215 reset-assert-us = <10000>;
216 reset-deassert-us = <10000>;
217 reset-gpios = <&gpio GPIOZ_14 GPIO_ACTIVE_LOW>;
218 };
219 };
220 };
221
222 &hdmi_tx {
223 status = "okay";
224 pinctrl-0 = <&hdmi_hpd_pins>, <&hdmi_i2c_pins>;
225 pinctrl-names = "default";
226 };
227
228 &hdmi_tx_tmds_port {
229 hdmi_tx_tmds_out: endpoint {
230 remote-endpoint = <&hdmi_connector_in>;
231 };
232 };
233
234 &ir {
235 status = "okay";
236 pinctrl-0 = <&remote_input_ao_pins>;
237 pinctrl-names = "default";
238 };
239
240 &pwm_ef {
241 status = "okay";
242 pinctrl-0 = <&pwm_e_pins>;
243 pinctrl-names = "default";
244 clocks = <&clkc CLKID_FCLK_DIV4>;
245 clock-names = "clkin0";
246 };
247
248 /* Wireless SDIO Module */
249 &sd_emmc_a {
250 status = "okay";
251 pinctrl-0 = <&sdio_pins>;
252 pinctrl-1 = <&sdio_clk_gate_pins>;
253 pinctrl-names = "default", "clk-gate";
254 #address-cells = <1>;
255 #size-cells = <0>;
256
257 bus-width = <4>;
258 cap-sd-highspeed;
259 max-frequency = <100000000>;
260
261 non-removable;
262 disable-wp;
263
264 /* WiFi firmware requires power to be kept while in suspend */
265 keep-power-in-suspend;
266
267 mmc-pwrseq = <&sdio_pwrseq>;
268
269 vmmc-supply = <&vddao_3v3>;
270 vqmmc-supply = <&vddio_boot>;
271 };
272
273 /* SD card */
274 &sd_emmc_b {
275 status = "okay";
276 pinctrl-0 = <&sdcard_pins>;
277 pinctrl-1 = <&sdcard_clk_gate_pins>;
278 pinctrl-names = "default", "clk-gate";
279
280 bus-width = <4>;
281 cap-sd-highspeed;
282 max-frequency = <50000000>;
283 disable-wp;
284
285 cd-gpios = <&gpio CARD_6 GPIO_ACTIVE_LOW>;
286
287 vmmc-supply = <&vddao_3v3>;
288 vqmmc-supply = <&vddio_card>;
289 };
290
291 /* eMMC */
292 &sd_emmc_c {
293 status = "okay";
294 pinctrl-0 = <&emmc_pins>, <&emmc_ds_pins>;
295 pinctrl-1 = <&emmc_clk_gate_pins>;
296 pinctrl-names = "default", "clk-gate";
297
298 bus-width = <8>;
299 cap-mmc-highspeed;
300 max-frequency = <200000000>;
301 non-removable;
302 disable-wp;
303 mmc-ddr-1_8v;
304 mmc-hs200-1_8v;
305
306 mmc-pwrseq = <&emmc_pwrseq>;
307 vmmc-supply = <&vcc_3v3>;
308 vqmmc-supply = <&vddio_boot>;
309 };
310
311 &uart_AO {
312 status = "okay";
313 pinctrl-0 = <&uart_ao_a_pins>;
314 pinctrl-names = "default";
315 };
316
317 &usb0_phy {
318 status = "okay";
319 phy-supply = <&usb_pwr>;
320 };
321
322 &usb1_phy {
323 status = "okay";
324 };
325
326 &usb0 {
327 status = "okay";
328 };
329
330 &usb1 {
331 status = "okay";
332 };
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