1 // SPDX-License-Identifier: GPL-2.0-or-later OR MIT
2 /*
3 * OLPC XO 1.75 Laptop.
4 *
5 * Copyright (C) 2018,2019,2020 Lubomir Rintel <lkundrak@v3.sk>
6 */
7
8 /dts-v1/;
9 #include "mmp2.dtsi"
10 #include <dt-bindings/gpio/gpio.h>
11 #include <dt-bindings/input/linux-event-codes.h>
12 #include <dt-bindings/interrupt-controller/irq.h>
13 #include <dt-bindings/clock/marvell,mmp2-audio.h>
14
15 / {
16 model = "OLPC XO-1.75";
17 compatible = "olpc,xo-1.75", "mrvl,mmp2";
18
19 chosen {
20 #address-cells = <1>;
21 #size-cells = <1>;
22 ranges;
23
24 framebuffer@1fc00000 {
25 compatible = "simple-framebuffer";
26 reg = <0x1fc00000 (1200 * 900 * 2)>;
27 width = <1200>;
28 height = <900>;
29 stride = <(1200 * 2)>;
30 format = "r5g6b5";
31 clocks = <&soc_clocks MMP2_CLK_DISP0_LCDC>,
32 <&soc_clocks MMP2_CLK_DISP0>;
33 };
34 };
35
36 memory@0 {
37 available = <0xcf000 0x1ef31000 0x1000 0xbf000>;
38 reg = <0x0 0x20000000>;
39 device_type = "memory";
40 };
41
42 gpio-keys {
43 compatible = "gpio-keys";
44
45 lid {
46 label = "Lid";
47 gpios = <&gpio 129 GPIO_ACTIVE_LOW>;
48 linux,input-type = <EV_SW>;
49 linux,code = <SW_LID>;
50 wakeup-source;
51 };
52
53 tablet_mode {
54 label = "E-Book Mode";
55 gpios = <&gpio 128 GPIO_ACTIVE_LOW>;
56 linux,input-type = <EV_SW>;
57 linux,code = <SW_TABLET_MODE>;
58 wakeup-source;
59 };
60 };
61
62 i2c {
63 compatible = "i2c-gpio";
64 sda-gpios = <&gpio 109 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
65 scl-gpios = <&gpio 108 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
66 #address-cells = <1>;
67 #size-cells = <0>;
68 i2c-gpio,timeout-ms = <1000>;
69 status = "okay";
70
71 camera@21 {
72 compatible = "ovti,ov7670";
73 reg = <0x21>;
74 reset-gpios = <&gpio 102 GPIO_ACTIVE_LOW>;
75 powerdown-gpios = <&gpio 150 GPIO_ACTIVE_LOW>;
76 clocks = <&camera0>;
77 clock-names = "xclk";
78
79 port {
80 ov7670_0: endpoint {
81 hsync-active = <1>;
82 vsync-active = <1>;
83 remote-endpoint = <&camera0_0>;
84 };
85 };
86 };
87 };
88
89 battery {
90 compatible = "olpc,xo1.5-battery", "olpc,xo1-battery";
91 };
92
93 wlan_reg: fixedregulator0 {
94 compatible = "regulator-fixed";
95 regulator-name = "wlan";
96 regulator-min-microvolt = <3300000>;
97 regulator-max-microvolt = <3300000>;
98 gpio = <&gpio 34 GPIO_ACTIVE_HIGH>;
99 enable-active-high;
100 };
101
102 wlan_pwrseq: pwrseq0 {
103 compatible = "mmc-pwrseq-sd8787";
104 powerdown-gpios = <&gpio 57 GPIO_ACTIVE_HIGH>;
105 reset-gpios = <&gpio 58 GPIO_ACTIVE_HIGH>;
106 };
107
108 sound-card {
109 compatible = "audio-graph-card";
110 label = "OLPC XO";
111 dais = <&sspa0_dai>;
112 routing = "Headphones", "HPOL",
113 "Headphones", "HPOR",
114 "MIC2", "Mic Jack";
115 widgets = "Headphone", "Headphones", "Microphone", "Mic Jack";
116 hp-det-gpio = <&gpio 97 GPIO_ACTIVE_HIGH>;
117 mic-det-gpio = <&gpio 96 GPIO_ACTIVE_HIGH>;
118 };
119
120 soc {
121 axi@d4200000 {
122 ap-sp@d4290000 {
123 #address-cells = <1>;
124 #size-cells = <0>;
125 compatible = "olpc,ap-sp";
126 interrupts = <40>;
127 reg = <0xd4290000 0x1000>;
128 data-gpios = <&gpio 72 GPIO_ACTIVE_HIGH>;
129 clk-gpios = <&gpio 71 GPIO_ACTIVE_HIGH>;
130 status = "okay";
131 };
132 };
133 };
134 };
135
136 &uart3 {
137 status = "okay";
138 };
139
140 &uart4 {
141 status = "okay";
142 };
143
144 &rtc {
145 status = "okay";
146 };
147
148 &usb_phy0 {
149 status = "okay";
150 };
151
152 &usb_otg0 {
153 status = "okay";
154 };
155
156 &mmc1 {
157 clock-frequency = <50000000>;
158 no-1-8-v;
159 mrvl,clk-delay-cycles = <31>;
160 broken-cd;
161 status = "okay";
162 };
163
164 &mmc2 {
165 clock-frequency = <50000000>;
166 no-1-8-v;
167 bus-width = <4>;
168 non-removable;
169 broken-cd;
170 wakeup-source;
171 keep-power-in-suspend;
172 mmc-pwrseq = <&wlan_pwrseq>;
173 vmmc-supply = <&wlan_reg>;
174 status = "okay";
175 };
176
177 &mmc3 {
178 clock-frequency = <50000000>;
179 no-1-8-v;
180 bus-width = <8>;
181 non-removable;
182 broken-cd;
183 mrvl,clk-delay-cycles = <31>;
184 status = "okay";
185 };
186
187 &twsi1 {
188 status = "okay";
189
190 audio-codec@1a {
191 compatible = "realtek,alc5631";
192 reg = <0x1a>;
193 status = "okay";
194
195 port {
196 rt5631_0: endpoint {
197 mclk-fs = <256>;
198 clocks = <&audio_clk MMP2_CLK_AUDIO_SYSCLK>;
199 remote-endpoint = <&sspa0_0>;
200 };
201 };
202 };
203 };
204
205 &twsi2 {
206 status = "okay";
207
208 rtc@68 {
209 compatible = "dallas,ds1338";
210 reg = <0x68>;
211 status = "okay";
212 };
213 };
214
215 &twsi6 {
216 status = "okay";
217
218 accelerometer@1d {
219 compatible = "st,lis331dlh", "st,lis3lv02d";
220 reg = <0x1d>;
221 status = "okay";
222 };
223 };
224
225 &ssp3 {
226 #address-cells = <0>;
227 spi-slave;
228 status = "okay";
229 ready-gpios = <&gpio 125 GPIO_ACTIVE_HIGH>;
230
231 slave {
232 compatible = "olpc,xo1.75-ec";
233 spi-cpha;
234 cmd-gpios = <&gpio 155 GPIO_ACTIVE_HIGH>;
235 };
236 };
237
238 &camera0 {
239 status = "okay";
240
241 port {
242 camera0_0: endpoint {
243 remote-endpoint = <&ov7670_0>;
244 };
245 };
246 };
247
248 &asram {
249 status = "okay";
250 };
251
252 &adma0 {
253 status = "okay";
254 };
255
256 &audio_clk {
257 status = "okay";
258 };
259
260 &sspa0 {
261 status = "okay";
262 dmas = <&adma0 0>, <&adma0 1>;
263 dma-names = "tx", "rx";
264
265 sspa0_dai: port {
266 sspa0_0: endpoint {
267 remote-endpoint = <&rt5631_0>;
268 frame-master;
269 bitclock-master;
270 dai-format = "i2s";
271 };
272 };
273 };
274
275 &gpu {
276 status = "okay";
277 };
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