xref: /openbmc/linux/arch/mips/boot/dts/ingenic/ci20.dts (revision 3dc4b6fb) 
1// SPDX-License-Identifier: GPL-2.0
2/dts-v1/;
3
4#include "jz4780.dtsi"
5#include <dt-bindings/clock/ingenic,tcu.h>
6#include <dt-bindings/gpio/gpio.h>
7
8/ {
9	compatible = "img,ci20", "ingenic,jz4780";
10
11	aliases {
12		serial0 = &uart0;
13		serial1 = &uart1;
14		serial3 = &uart3;
15		serial4 = &uart4;
16	};
17
18	chosen {
19		stdout-path = &uart4;
20	};
21
22	memory {
23		device_type = "memory";
24		reg = <0x0 0x10000000
25		       0x30000000 0x30000000>;
26	};
27
28	eth0_power: fixedregulator@0 {
29		compatible = "regulator-fixed";
30		regulator-name = "eth0_power";
31		gpio = <&gpb 25 GPIO_ACTIVE_LOW>;
32		enable-active-high;
33	};
34};
35
36&ext {
37	clock-frequency = <48000000>;
38};
39
40&mmc0 {
41	status = "okay";
42
43	bus-width = <4>;
44	max-frequency = <50000000>;
45
46	pinctrl-names = "default";
47	pinctrl-0 = <&pins_mmc0>;
48
49	cd-gpios = <&gpf 20 GPIO_ACTIVE_LOW>;
50};
51
52&mmc1 {
53	status = "okay";
54
55	bus-width = <4>;
56	max-frequency = <50000000>;
57
58	pinctrl-names = "default";
59	pinctrl-0 = <&pins_mmc1>;
60};
61
62&uart0 {
63	status = "okay";
64
65	pinctrl-names = "default";
66	pinctrl-0 = <&pins_uart0>;
67};
68
69&uart1 {
70	status = "okay";
71
72	pinctrl-names = "default";
73	pinctrl-0 = <&pins_uart1>;
74};
75
76&uart3 {
77	status = "okay";
78
79	pinctrl-names = "default";
80	pinctrl-0 = <&pins_uart3>;
81};
82
83&uart4 {
84	status = "okay";
85
86	pinctrl-names = "default";
87	pinctrl-0 = <&pins_uart4>;
88};
89
90&nemc {
91	status = "okay";
92
93	nandc: nand-controller@1 {
94		compatible = "ingenic,jz4780-nand";
95		reg = <1 0 0x1000000>;
96
97		#address-cells = <1>;
98		#size-cells = <0>;
99
100		ingenic,bch-controller = <&bch>;
101
102		ingenic,nemc-tAS = <10>;
103		ingenic,nemc-tAH = <5>;
104		ingenic,nemc-tBP = <10>;
105		ingenic,nemc-tAW = <15>;
106		ingenic,nemc-tSTRV = <100>;
107
108		/*
109		 * Only CLE/ALE are needed for the devices that are connected, rather
110		 * than the full address line set.
111		 */
112		pinctrl-names = "default";
113		pinctrl-0 = <&pins_nemc>;
114
115		nand@1 {
116			reg = <1>;
117
118			nand-ecc-step-size = <1024>;
119			nand-ecc-strength = <24>;
120			nand-ecc-mode = "hw";
121			nand-on-flash-bbt;
122
123			pinctrl-names = "default";
124			pinctrl-0 = <&pins_nemc_cs1>;
125
126			partitions {
127				compatible = "fixed-partitions";
128				#address-cells = <2>;
129				#size-cells = <2>;
130
131				partition@0 {
132					label = "u-boot-spl";
133					reg = <0x0 0x0 0x0 0x800000>;
134				};
135
136				partition@800000 {
137					label = "u-boot";
138					reg = <0x0 0x800000 0x0 0x200000>;
139				};
140
141				partition@a00000 {
142					label = "u-boot-env";
143					reg = <0x0 0xa00000 0x0 0x200000>;
144				};
145
146				partition@c00000 {
147					label = "boot";
148					reg = <0x0 0xc00000 0x0 0x4000000>;
149				};
150
151				partition@4c00000 {
152					label = "system";
153					reg = <0x0 0x4c00000 0x1 0xfb400000>;
154				};
155			};
156		};
157	};
158
159	dm9000@6 {
160		compatible = "davicom,dm9000";
161		davicom,no-eeprom;
162
163		pinctrl-names = "default";
164		pinctrl-0 = <&pins_nemc_cs6>;
165
166		reg = <6 0 1   /* addr */
167		       6 2 1>; /* data */
168
169		ingenic,nemc-tAS = <15>;
170		ingenic,nemc-tAH = <10>;
171		ingenic,nemc-tBP = <20>;
172		ingenic,nemc-tAW = <50>;
173		ingenic,nemc-tSTRV = <100>;
174
175		reset-gpios = <&gpf 12 GPIO_ACTIVE_HIGH>;
176		vcc-supply = <&eth0_power>;
177
178		interrupt-parent = <&gpe>;
179		interrupts = <19 4>;
180	};
181};
182
183&bch {
184	status = "okay";
185};
186
187&pinctrl {
188	pins_uart0: uart0 {
189		function = "uart0";
190		groups = "uart0-data";
191		bias-disable;
192	};
193
194	pins_uart1: uart1 {
195		function = "uart1";
196		groups = "uart1-data";
197		bias-disable;
198	};
199
200	pins_uart3: uart3 {
201		function = "uart3";
202		groups = "uart3-data", "uart3-hwflow";
203		bias-disable;
204	};
205
206	pins_uart4: uart4 {
207		function = "uart4";
208		groups = "uart4-data";
209		bias-disable;
210	};
211
212	pins_nemc: nemc {
213		function = "nemc";
214		groups = "nemc-data", "nemc-cle-ale", "nemc-rd-we", "nemc-frd-fwe";
215		bias-disable;
216	};
217
218	pins_nemc_cs1: nemc-cs1 {
219		function = "nemc-cs1";
220		groups = "nemc-cs1";
221		bias-disable;
222	};
223
224	pins_nemc_cs6: nemc-cs6 {
225		function = "nemc-cs6";
226		groups = "nemc-cs6";
227		bias-disable;
228	};
229
230	pins_mmc0: mmc0 {
231		function = "mmc0";
232		groups = "mmc0-1bit-e", "mmc0-4bit-e";
233		bias-disable;
234	};
235
236	pins_mmc1: mmc1 {
237		function = "mmc1";
238		groups = "mmc1-1bit-d", "mmc1-4bit-d";
239		bias-disable;
240	};
241};
242
243&tcu {
244	/* 3 MHz for the system timer and clocksource */
245	assigned-clocks = <&tcu TCU_CLK_TIMER0>, <&tcu TCU_CLK_TIMER1>;
246	assigned-clock-rates = <3000000>, <3000000>;
247};
248