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};