1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3
4#include "jz4725b.dtsi"
5
6#include <dt-bindings/gpio/gpio.h>
7#include <dt-bindings/iio/adc/ingenic,adc.h>
8#include <dt-bindings/input/linux-event-codes.h>
9
10/ {
11	compatible = "ylm,rs90", "ingenic,jz4725b";
12	model = "RS-90";
13
14	memory {
15		device_type = "memory";
16		reg = <0x0 0x2000000>;
17	};
18
19	reserved-memory {
20		#address-cells = <1>;
21		#size-cells = <1>;
22		ranges;
23
24		vmem: video-memory@1f00000 {
25			compatible = "shared-dma-pool";
26			reg = <0x1f00000 0x100000>;
27			reusable;
28		};
29	};
30
31	vcc: regulator {
32		compatible = "regulator-fixed";
33
34		regulator-name = "vcc";
35		regulaor-min-microvolt = <3300000>;
36		regulaor-max-microvolt = <3300000>;
37		regulator-always-on;
38	};
39
40	backlight: backlight {
41		compatible = "pwm-backlight";
42		pwms = <&pwm 3 40000 0>;
43
44		brightness-levels = <0 16 32 48 64 80 112 144 192 255>;
45		default-brightness-level = <8>;
46
47		pinctrl-names = "default";
48		pinctrl-0 = <&pins_pwm3>;
49
50		power-supply = <&vcc>;
51	};
52
53	keys@0 {
54		compatible = "gpio-keys";
55
56		key-0 {
57			label = "D-pad up";
58			linux,code = <KEY_UP>;
59			gpios = <&gpc 10 GPIO_ACTIVE_LOW>;
60		};
61
62		key-1 {
63			label = "D-pad down";
64			linux,code = <KEY_DOWN>;
65			gpios = <&gpc 11 GPIO_ACTIVE_LOW>;
66		};
67
68		key-2 {
69			label = "D-pad left";
70			linux,code = <KEY_LEFT>;
71			gpios = <&gpb 31 GPIO_ACTIVE_LOW>;
72		};
73
74		key-3 {
75			label = "D-pad right";
76			linux,code = <KEY_RIGHT>;
77			gpios = <&gpd 21 GPIO_ACTIVE_LOW>;
78		};
79
80		key-4 {
81			label = "Button A";
82			linux,code = <KEY_LEFTCTRL>;
83			gpios = <&gpc 31 GPIO_ACTIVE_LOW>;
84		};
85
86		key-5 {
87			label = "Button B";
88			linux,code = <KEY_LEFTALT>;
89			gpios = <&gpc 30 GPIO_ACTIVE_LOW>;
90		};
91
92		key-6 {
93			label = "Right shoulder button";
94			linux,code = <KEY_BACKSPACE>;
95			gpios = <&gpc 12 GPIO_ACTIVE_LOW>;
96			debounce-interval = <10>;
97		};
98
99		key-7 {
100			label = "Start button";
101			linux,code = <KEY_ENTER>;
102			gpios = <&gpd 17 GPIO_ACTIVE_LOW>;
103		};
104	};
105
106	keys@1 {
107		compatible = "adc-keys";
108		io-channels = <&adc INGENIC_ADC_AUX>;
109		io-channel-names = "buttons";
110		keyup-threshold-microvolt = <1400000>;
111		poll-interval = <30>;
112
113		key@0 {
114			label = "Left shoulder button";
115			linux,code = <KEY_TAB>;
116			press-threshold-microvolt = <800000>;
117		};
118
119		key@1 {
120			label = "Select button";
121			linux,code = <KEY_ESC>;
122			press-threshold-microvolt = <1100000>;
123		};
124	};
125
126	amp: analog-amplifier {
127		compatible = "simple-audio-amplifier";
128		enable-gpios = <&gpc 15 GPIO_ACTIVE_HIGH>;
129
130		VCC-supply = <&vcc>;
131	};
132
133	sound {
134		compatible = "simple-audio-card";
135
136		simple-audio-card,name = "rs90-audio";
137		simple-audio-card,format = "i2s";
138
139		simple-audio-card,widgets =
140			"Speaker", "Speaker",
141			"Headphone", "Headphones";
142		simple-audio-card,routing =
143			"INL", "LHPOUT",
144			"INR", "RHPOUT",
145			"Headphones", "LHPOUT",
146			"Headphones", "RHPOUT",
147			"Speaker", "OUTL",
148			"Speaker", "OUTR";
149		simple-audio-card,pin-switches = "Speaker";
150
151		simple-audio-card,hp-det-gpio = <&gpd 16 GPIO_ACTIVE_LOW>;
152		simple-audio-card,aux-devs = <&amp>;
153
154		simple-audio-card,bitclock-master = <&dai_codec>;
155		simple-audio-card,frame-master = <&dai_codec>;
156
157		dai_cpu: simple-audio-card,cpu {
158			sound-dai = <&aic>;
159		};
160
161		dai_codec: simple-audio-card,codec {
162			sound-dai = <&codec>;
163		};
164
165	};
166
167	usb_phy: usb-phy {
168		compatible = "usb-nop-xceiv";
169		#phy-cells = <0>;
170
171		clocks = <&cgu JZ4725B_CLK_UDC_PHY>;
172		clock-names = "main_clk";
173		vcc-supply = <&vcc>;
174	};
175
176	panel {
177		compatible = "sharp,ls020b1dd01d";
178
179		backlight = <&backlight>;
180		power-supply = <&vcc>;
181
182		port {
183			panel_input: endpoint {
184				remote-endpoint = <&panel_output>;
185			};
186		};
187	};
188};
189
190&ext {
191	clock-frequency = <12000000>;
192};
193
194&rtc_dev {
195	system-power-controller;
196};
197
198&udc {
199	phys = <&usb_phy>;
200};
201
202&pinctrl {
203	pins_mmc1: mmc1 {
204		function = "mmc1";
205		groups = "mmc1-1bit";
206	};
207
208	pins_nemc: nemc {
209		function = "nand";
210		groups = "nand-cs1", "nand-cle-ale", "nand-fre-fwe";
211	};
212
213	pins_pwm3: pwm3 {
214		function = "pwm3";
215		groups = "pwm3";
216		bias-disable;
217	};
218
219	pins_lcd: lcd {
220		function = "lcd";
221		groups = "lcd-8bit", "lcd-16bit", "lcd-special";
222	};
223};
224
225&mmc0 {
226	status = "disabled";
227};
228
229&mmc1 {
230	bus-width = <1>;
231	max-frequency = <48000000>;
232
233	pinctrl-names = "default";
234	pinctrl-0 = <&pins_mmc1>;
235
236	cd-gpios = <&gpc 20 GPIO_ACTIVE_LOW>;
237};
238
239&uart {
240	/*
241	 * The pins for RX/TX are used for the right shoulder button and
242	 * backlight PWM.
243	 */
244	status = "disabled";
245};
246
247&nemc {
248	nandc: nand-controller@1 {
249		compatible = "ingenic,jz4725b-nand";
250		reg = <1 0 0x4000000>;
251
252		#address-cells = <1>;
253		#size-cells = <0>;
254
255		ecc-engine = <&bch>;
256
257		ingenic,nemc-tAS = <10>;
258		ingenic,nemc-tAH = <5>;
259		ingenic,nemc-tBP = <10>;
260		ingenic,nemc-tAW = <15>;
261		ingenic,nemc-tSTRV = <100>;
262
263		pinctrl-names = "default";
264		pinctrl-0 = <&pins_nemc>;
265
266		rb-gpios = <&gpc 27 GPIO_ACTIVE_HIGH>;
267
268		nand@1 {
269			reg = <1>;
270
271			nand-ecc-step-size = <512>;
272			nand-ecc-strength = <8>;
273			nand-ecc-mode = "hw";
274			nand-is-boot-medium;
275			nand-on-flash-bbt;
276
277			partitions {
278				compatible = "fixed-partitions";
279				#address-cells = <1>;
280				#size-cells = <1>;
281
282				partition@0 {
283					label = "bootloader";
284					reg = <0x0 0x20000>;
285				};
286
287				partition@20000 {
288					label = "system";
289					reg = <0x20000 0x0>;
290				};
291			};
292		};
293	};
294};
295
296&cgu {
297	/* Use 32kHz oscillator as the parent of the RTC clock */
298	assigned-clocks = <&cgu JZ4725B_CLK_RTC>;
299	assigned-clock-parents = <&cgu JZ4725B_CLK_OSC32K>;
300};
301
302&tcu {
303	/*
304	 * 750 kHz for the system timer and clocksource, and use RTC as the
305	 * parent for the watchdog clock.
306	 */
307	assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>, <&tcu TCU_CLK_WDT>;
308	assigned-clock-parents = <0>, <0>, <&cgu JZ4725B_CLK_RTC>;
309	assigned-clock-rates = <750000>, <750000>;
310};
311
312&lcd {
313	memory-region = <&vmem>;
314
315	pinctrl-names = "default";
316	pinctrl-0 = <&pins_lcd>;
317};
318
319&lcd_ports {
320	port@0 {
321		reg = <0>;
322
323		panel_output: endpoint {
324			remote-endpoint = <&panel_input>;
325		};
326	};
327};
328