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2024-05-10 cde9070d9970eef1f7ec2360586c802a16230ad8 
 kernel/arch/mips/boot/dts/ingenic/ci20.dts
....@@ -2,7 +2,11 @@
22 /dts-v1/;
33 
44 #include "jz4780.dtsi"
5
+#include <dt-bindings/clock/ingenic,tcu.h>
56 #include <dt-bindings/gpio/gpio.h>
7
+#include <dt-bindings/input/input.h>
8
+#include <dt-bindings/interrupt-controller/irq.h>
9
+#include <dt-bindings/regulator/active-semi,8865-regulator.h>
610 
711 / {
812 	compatible = "img,ci20", "ingenic,jz4780";
....@@ -24,10 +28,63 @@
2428 		       0x30000000 0x30000000>;
2529 	};
2630 
31
+	gpio-keys {
32
+		compatible = "gpio-keys";
33
+
34
+		sw1 {
35
+			label = "ci20:sw1";
36
+			linux,code = <KEY_F13>;
37
+			gpios = <&gpd 17 GPIO_ACTIVE_HIGH>;
38
+			wakeup-source;
39
+		};
40
+	};
41
+
42
+	leds {
43
+		compatible = "gpio-leds";
44
+
45
+		led0 {
46
+			label = "ci20:red:led0";
47
+			gpios = <&gpc 3 GPIO_ACTIVE_HIGH>;
48
+			linux,default-trigger = "none";
49
+		};
50
+
51
+		led1 {
52
+			label = "ci20:red:led1";
53
+			gpios = <&gpc 2 GPIO_ACTIVE_HIGH>;
54
+			linux,default-trigger = "nand-disk";
55
+		};
56
+
57
+		led2 {
58
+			label = "ci20:red:led2";
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+			gpios = <&gpc 1 GPIO_ACTIVE_HIGH>;
60
+			linux,default-trigger = "cpu1";
61
+		};
62
+
63
+		led3 {
64
+			label = "ci20:red:led3";
65
+			gpios = <&gpc 0 GPIO_ACTIVE_HIGH>;
66
+			linux,default-trigger = "cpu0";
67
+		};
68
+	};
69
+
2770 	eth0_power: fixedregulator@0 {
2871 		compatible = "regulator-fixed";
2972 		regulator-name = "eth0_power";
73
+		regulator-min-microvolt = <3300000>;
74
+		regulator-max-microvolt = <3300000>;
3075 		gpio = <&gpb 25 GPIO_ACTIVE_LOW>;
76
+		enable-active-high;
77
+	};
78
+
79
+	ir: ir {
80
+		compatible = "gpio-ir-receiver";
81
+		gpios = <&gpe 3 GPIO_ACTIVE_LOW>;
82
+	};
83
+
84
+	wlan0_power: fixedregulator@1 {
85
+		compatible = "regulator-fixed";
86
+		regulator-name = "wlan0_power";
87
+		gpio = <&gpb 19 GPIO_ACTIVE_LOW>;
3188 		enable-active-high;
3289 	};
3390 };
....@@ -53,9 +110,18 @@
53110 
54111 	bus-width = <4>;
55112 	max-frequency = <50000000>;
113
+	non-removable;
56114 
57115 	pinctrl-names = "default";
58116 	pinctrl-0 = <&pins_mmc1>;
117
+
118
+	brcmf: wifi@1 {
119
+/*		reg = <4>;*/
120
+		compatible = "brcm,bcm4330-fmac";
121
+		vcc-supply = <&wlan0_power>;
122
+		device-wakeup-gpios = <&gpd 9 GPIO_ACTIVE_HIGH>;
123
+		shutdown-gpios = <&gpf 7 GPIO_ACTIVE_LOW>;
124
+	};
59125 };
60126 
61127 &uart0 {
....@@ -72,6 +138,23 @@
72138 	pinctrl-0 = <&pins_uart1>;
73139 };
74140 
141
+&uart2 {
142
+	status = "okay";
143
+
144
+	pinctrl-names = "default";
145
+	pinctrl-0 = <&pins_uart2>;
146
+	uart-has-rtscts;
147
+
148
+	bluetooth {
149
+		compatible = "brcm,bcm4330-bt";
150
+		reset-gpios = <&gpf 8 GPIO_ACTIVE_HIGH>;
151
+		vcc-supply = <&wlan0_power>;
152
+		device-wakeup-gpios = <&gpf 5 GPIO_ACTIVE_HIGH>;
153
+		host-wakeup-gpios = <&gpf 6 GPIO_ACTIVE_HIGH>;
154
+		shutdown-gpios = <&gpf 4 GPIO_ACTIVE_LOW>;
155
+	};
156
+};
157
+
75158 &uart3 {
76159 	status = "okay";
77160 
....@@ -84,6 +167,133 @@
84167 
85168 	pinctrl-names = "default";
86169 	pinctrl-0 = <&pins_uart4>;
170
+};
171
+
172
+&i2c0 {
173
+	status = "okay";
174
+
175
+	pinctrl-names = "default";
176
+	pinctrl-0 = <&pins_i2c0>;
177
+
178
+	clock-frequency = <400000>;
179
+
180
+	act8600: act8600@5a {
181
+		compatible = "active-semi,act8600";
182
+		reg = <0x5a>;
183
+		status = "okay";
184
+
185
+		regulators {
186
+			vddcore: SUDCDC1 {
187
+				regulator-name = "DCDC_REG1";
188
+				regulator-min-microvolt = <1100000>;
189
+				regulator-max-microvolt = <1100000>;
190
+				regulator-always-on;
191
+			};
192
+			vddmem: SUDCDC2 {
193
+				regulator-name = "DCDC_REG2";
194
+				regulator-min-microvolt = <1500000>;
195
+				regulator-max-microvolt = <1500000>;
196
+				regulator-always-on;
197
+			};
198
+			vcc_33: SUDCDC3 {
199
+				regulator-name = "DCDC_REG3";
200
+				regulator-min-microvolt = <3300000>;
201
+				regulator-max-microvolt = <3300000>;
202
+				regulator-always-on;
203
+			};
204
+			vcc_50: SUDCDC4 {
205
+				regulator-name = "SUDCDC_REG4";
206
+				regulator-min-microvolt = <5000000>;
207
+				regulator-max-microvolt = <5000000>;
208
+				regulator-always-on;
209
+			};
210
+			vcc_25: LDO_REG5 {
211
+				regulator-name = "LDO_REG5";
212
+				regulator-min-microvolt = <2500000>;
213
+				regulator-max-microvolt = <2500000>;
214
+				regulator-always-on;
215
+			};
216
+			wifi_io: LDO_REG6 {
217
+				regulator-name = "LDO_REG6";
218
+				regulator-min-microvolt = <2500000>;
219
+				regulator-max-microvolt = <2500000>;
220
+				regulator-always-on;
221
+			};
222
+			vcc_28: LDO_REG7 {
223
+				regulator-name = "LDO_REG7";
224
+				regulator-min-microvolt = <2800000>;
225
+				regulator-max-microvolt = <2800000>;
226
+				regulator-always-on;
227
+			};
228
+			vcc_15: LDO_REG8 {
229
+				regulator-name = "LDO_REG8";
230
+				regulator-min-microvolt = <1500000>;
231
+				regulator-max-microvolt = <1500000>;
232
+				regulator-always-on;
233
+			};
234
+			vrtc_18: LDO_REG9 {
235
+				regulator-name = "LDO_REG9";
236
+				/* Despite the datasheet stating 3.3V
237
+				 * for REG9 and the driver expecting that,
238
+				 * REG9 outputs 1.8V.
239
+				 * Likely the CI20 uses a proprietary
240
+				 * factory programmed chip variant.
241
+				 * Since this is a simple on/off LDO the
242
+				 * exact values do not matter.
243
+				 */
244
+				regulator-min-microvolt = <3300000>;
245
+				regulator-max-microvolt = <3300000>;
246
+				regulator-always-on;
247
+			};
248
+			vcc_11: LDO_REG10 {
249
+				regulator-name = "LDO_REG10";
250
+				regulator-min-microvolt = <1200000>;
251
+				regulator-max-microvolt = <1200000>;
252
+				regulator-always-on;
253
+			};
254
+		};
255
+	};
256
+};
257
+
258
+&i2c1 {
259
+	status = "okay";
260
+
261
+	pinctrl-names = "default";
262
+	pinctrl-0 = <&pins_i2c1>;
263
+
264
+};
265
+
266
+&i2c2 {
267
+	status = "okay";
268
+
269
+	pinctrl-names = "default";
270
+	pinctrl-0 = <&pins_i2c2>;
271
+
272
+};
273
+
274
+&i2c3 {
275
+	status = "okay";
276
+
277
+	pinctrl-names = "default";
278
+	pinctrl-0 = <&pins_i2c3>;
279
+
280
+};
281
+
282
+&i2c4 {
283
+	status = "okay";
284
+
285
+	pinctrl-names = "default";
286
+	pinctrl-0 = <&pins_i2c4>;
287
+
288
+	clock-frequency = <400000>;
289
+
290
+		rtc@51 {
291
+			compatible = "nxp,pcf8563";
292
+			reg = <0x51>;
293
+
294
+			interrupt-parent = <&gpf>;
295
+			interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
296
+		};
87297 };
88298 
89299 &nemc {
....@@ -176,6 +386,9 @@
176386 
177387 		interrupt-parent = <&gpe>;
178388 		interrupts = <19 4>;
389
+
390
+		nvmem-cells = <&eth0_addr>;
391
+		nvmem-cell-names = "mac-address";
179392 	};
180393 };
181394 
....@@ -196,6 +409,12 @@
196409 		bias-disable;
197410 	};
198411 
412
+	pins_uart2: uart2 {
413
+		function = "uart2";
414
+		groups = "uart2-data", "uart2-hwflow";
415
+		bias-disable;
416
+	};
417
+
199418 	pins_uart3: uart3 {
200419 		function = "uart3";
201420 		groups = "uart3-data", "uart3-hwflow";
....@@ -205,6 +424,36 @@
205424 	pins_uart4: uart4 {
206425 		function = "uart4";
207426 		groups = "uart4-data";
427
+		bias-disable;
428
+	};
429
+
430
+	pins_i2c0: i2c0 {
431
+		function = "i2c0";
432
+		groups = "i2c0-data";
433
+		bias-disable;
434
+	};
435
+
436
+	pins_i2c1: i2c1 {
437
+		function = "i2c1";
438
+		groups = "i2c1-data";
439
+		bias-disable;
440
+	};
441
+
442
+	pins_i2c2: i2c2 {
443
+		function = "i2c2";
444
+		groups = "i2c2-data";
445
+		bias-disable;
446
+	};
447
+
448
+	pins_i2c3: i2c3 {
449
+		function = "i2c3";
450
+		groups = "i2c3-data";
451
+		bias-disable;
452
+	};
453
+
454
+	pins_i2c4: i2c4 {
455
+		function = "i2c4";
456
+		groups = "i2c4-data-e";
208457 		bias-disable;
209458 	};
210459 
....@@ -238,3 +487,9 @@
238487 		bias-disable;
239488 	};
240489 };
490
+
491
+&tcu {
492
+	/* 3 MHz for the system timer and clocksource */
493
+	assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>;
494
+	assigned-clock-rates = <3000000>, <3000000>;
495
+};