1// SPDX-License-Identifier: GPL-2.0-or-later OR MIT
  2/*
  3 * OLPC XO 1.75 Laptop.
  4 *
  5 * Copyright (C) 2018,2019 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
 14/ {
 15	model = "OLPC XO-1.75";
 16	compatible = "olpc,xo-1.75", "mrvl,mmp2";
 17
 18	chosen {
 19		#address-cells = <1>;
 20		#size-cells = <1>;
 21		ranges;
 22
 23		framebuffer@1fc00000 {
 24			compatible = "simple-framebuffer";
 25			reg = <0x1fc00000 (1200 * 900 * 2)>;
 26			width = <1200>;
 27			height = <900>;
 28			stride = <(1200 * 2)>;
 29			format = "r5g6b5";
 30			clocks = <&soc_clocks MMP2_CLK_DISP0_LCDC>,
 31				 <&soc_clocks MMP2_CLK_DISP0>;
 32		};
 33	};
 34
 35	memory {
 36		linux,usable-memory = <0x0 0x1f800000>;
 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		microphone_insert {
 62			label = "Microphone Plug";
 63			gpios = <&gpio 96 GPIO_ACTIVE_HIGH>;
 64			linux,input-type = <EV_SW>;
 65			linux,code = <SW_MICROPHONE_INSERT>;
 66			debounce-interval = <100>;
 67			wakeup-source;
 68		};
 69
 70		headphone_insert {
 71			label = "Headphone Plug";
 72			gpios = <&gpio 97 GPIO_ACTIVE_HIGH>;
 73			linux,input-type = <EV_SW>;
 74			linux,code = <SW_HEADPHONE_INSERT>;
 75			debounce-interval = <100>;
 76			wakeup-source;
 77		};
 78	};
 79
 80	camera_i2c {
 81		compatible = "i2c-gpio";
 82		gpios = <&gpio 109 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>,
 83			<&gpio 108 (GPIO_ACTIVE_HIGH | GPIO_OPEN_DRAIN)>;
 84		#address-cells = <1>;
 85		#size-cells = <0>;
 86		i2c-gpio,timeout-ms = <1000>;
 87		status = "okay";
 88
 89		camera@21 {
 90			compatible = "ovti,ov7670";
 91			reg = <0x21>;
 92			reset-gpios = <&gpio 102 GPIO_ACTIVE_LOW>;
 93			powerdown-gpios = <&gpio 150 GPIO_ACTIVE_LOW>;
 94			clocks = <&camera0>;
 95			clock-names = "xclk";
 96
 97			port {
 98				ov7670_0: endpoint {
 99					hsync-active = <1>;
100					vsync-active = <1>;
101					remote-endpoint = <&camera0_0>;
102				};
103			};
104		};
105	};
106
107	battery {
108		compatible = "olpc,xo1.5-battery", "olpc,xo1-battery";
109	};
110
111	wlan_reg: fixedregulator0 {
112		compatible = "regulator-fixed";
113		regulator-name = "wlan";
114		regulator-min-microvolt = <3300000>;
115		regulator-max-microvolt = <3300000>;
116		gpio = <&gpio 34 GPIO_ACTIVE_HIGH>;
117		enable-active-high;
118	};
119
120	wlan_pwrseq: pwrseq0 {
121		compatible = "mmc-pwrseq-sd8787";
122		powerdown-gpios = <&gpio 57 GPIO_ACTIVE_HIGH>;
123		reset-gpios = <&gpio 58 GPIO_ACTIVE_HIGH>;
124	};
125
126	soc {
127		axi@d4200000 {
128			ap-sp@d4290000 {
129				#address-cells = <1>;
130				#size-cells = <0>;
131				compatible = "olpc,ap-sp";
132				interrupts = <40>;
133				reg = <0xd4290000 0x1000>;
134				data-gpios = <&gpio 72 GPIO_ACTIVE_HIGH>;
135				clk-gpios = <&gpio 71 GPIO_ACTIVE_HIGH>;
136				status = "okay";
137			};
138		};
139	};
140};
141
142&uart3 {
143	status = "okay";
144};
145
146&uart4 {
147	status = "okay";
148};
149
150&rtc {
151	status = "okay";
152};
153
154&usb_phy0 {
155	status = "okay";
156};
157
158&usb_otg0 {
159	status = "okay";
160};
161
162&mmc1 {
163	clock-frequency = <50000000>;
164	no-1-8-v;
165	mrvl,clk-delay-cycles = <31>;
166	broken-cd;
167	status = "okay";
168};
169
170&mmc2 {
171	clock-frequency = <50000000>;
172	no-1-8-v;
173	bus-width = <4>;
174	non-removable;
175	broken-cd;
176	wakeup-source;
177	keep-power-in-suspend;
178	mmc-pwrseq = <&wlan_pwrseq>;
179	vmmc-supply = <&wlan_reg>;
180	status = "okay";
181};
182
183&mmc3 {
184	clock-frequency = <50000000>;
185	no-1-8-v;
186	bus-width = <8>;
187	non-removable;
188	broken-cd;
189	mrvl,clk-delay-cycles = <31>;
190	status = "okay";
191};
192
193&twsi1 {
194	status = "okay";
195
196	audio-codec@1a {
197		compatible = "realtek,alc5631";
198		reg = <0x1a>;
199		status = "okay";
200	};
201};
202
203&twsi2 {
204	status = "okay";
205
206	rtc@68 {
207		compatible = "dallas,ds1338";
208		reg = <0x68>;
209		status = "okay";
210	};
211};
212
213&twsi6 {
214	status = "okay";
215
216	accelerometer@1d {
217		compatible = "st,lis331dlh", "st,lis3lv02d";
218		reg = <0x1d>;
219		status = "okay";
220	};
221};
222
223&ssp3 {
224	#address-cells = <0>;
225	spi-slave;
226	status = "okay";
227	ready-gpio = <&gpio 125 GPIO_ACTIVE_HIGH>;
228
229	slave {
230		compatible = "olpc,xo1.75-ec";
231		spi-cpha;
232		cmd-gpio = <&gpio 155 GPIO_ACTIVE_HIGH>;
233	};
234};
235
236&camera0 {
237	status = "okay";
238
239	port {
240		camera0_0: endpoint {
241			remote-endpoint = <&ov7670_0>;
242		};
243	};
244};