1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
3
4 #include "x1830.dtsi"
5 #include <dt-bindings/gpio/gpio.h>
6 #include <dt-bindings/clock/ingenic,sysost.h>
7 #include <dt-bindings/interrupt-controller/irq.h>
8
9 / {
10 compatible = "yna,cu1830-neo", "ingenic,x1830";
11 model = "YSH & ATIL General Board CU1830-Neo";
12
13 aliases {
14 serial1 = &uart1;
15 };
16
17 chosen {
18 stdout-path = "serial1:115200n8";
19 };
20
21 memory {
22 device_type = "memory";
23 reg = <0x0 0x08000000>;
24 };
25
26 leds {
27 compatible = "gpio-leds";
28 led-0 {
29 gpios = <&gpc 17 GPIO_ACTIVE_HIGH>;
30 linux,default-trigger = "mmc0";
31 };
32 };
33
34 wlan_pwrseq: msc1-pwrseq {
35 compatible = "mmc-pwrseq-simple";
36
37 reset-gpios = <&gpc 13 GPIO_ACTIVE_LOW>;
38 post-power-on-delay-ms = <200>;
39 };
40 };
41
42 &exclk {
43 clock-frequency = <24000000>;
44 };
45
46 &cgu {
47 /*
48 * Use the 32.768 kHz oscillator as the parent of the RTC for a higher
49 * precision.
50 */
51 assigned-clocks = <&cgu X1830_CLK_RTC>;
52 assigned-clock-parents = <&cgu X1830_CLK_RTCLK>;
53 };
54
55 &ost {
56 /* 1500 kHz for the system timer and clocksource */
57 assigned-clocks = <&ost OST_CLK_EVENT_TIMER>, <&ost OST_CLK_GLOBAL_TIMER>;
58 assigned-clock-rates = <1500000>, <1500000>;
59 };
60
61 &uart1 {
62 status = "okay";
63
64 pinctrl-names = "default";
65 pinctrl-0 = <&pins_uart1>;
66 };
67
68 &ssi0 {
69 status = "okay";
70
71 num-cs = <2>;
72
73 pinctrl-names = "default";
74 pinctrl-0 = <&pins_ssi0>;
75
76 sc16is752: expander@0 {
77 compatible = "nxp,sc16is752";
78 reg = <0>; /* CE0 */
79
80 spi-rx-bus-width = <1>;
81 spi-tx-bus-width = <1>;
82 spi-max-frequency = <4000000>;
83
84 clocks = <&exclk_sc16is752>;
85
86 interrupt-parent = <&gpb>;
87 interrupts = <18 IRQ_TYPE_EDGE_FALLING>;
88
89 gpio-controller;
90 #gpio-cells = <2>;
91
92 exclk_sc16is752: sc16is752 {
93 compatible = "fixed-clock";
94 #clock-cells = <0>;
95 clock-frequency = <48000000>;
96 };
97 };
98 };
99
100 &i2c0 {
101 status = "okay";
102
103 clock-frequency = <400000>;
104
105 pinctrl-names = "default";
106 pinctrl-0 = <&pins_i2c0>;
107
108 ads7830: adc@48 {
109 compatible = "ti,ads7830";
110 reg = <0x48>;
111 };
112 };
113
114 &dtrng {
115 status = "okay";
116 };
117
118 &msc0 {
119 status = "okay";
120
121 bus-width = <4>;
122 max-frequency = <50000000>;
123
124 pinctrl-names = "default";
125 pinctrl-0 = <&pins_msc0>;
126
127 non-removable;
128 };
129
130 &msc1 {
131 status = "okay";
132
133 #address-cells = <1>;
134 #size-cells = <0>;
135 bus-width = <4>;
136 max-frequency = <50000000>;
137
138 pinctrl-names = "default";
139 pinctrl-0 = <&pins_msc1>;
140
141 non-removable;
142
143 mmc-pwrseq = <&wlan_pwrseq>;
144
145 ap6212a: wifi@1 {
146 compatible = "brcm,bcm4329-fmac";
147 reg = <1>;
148
149 interrupt-parent = <&gpc>;
150 interrupts = <25 IRQ_TYPE_EDGE_FALLING>;
151 interrupt-names = "host-wake";
152
153 brcm,drive-strength = <10>;
154 };
155 };
156
157 &mac {
158 status = "okay";
159
160 phy-mode = "rmii";
161 phy-handle = <&ip101gr>;
162
163 pinctrl-names = "default";
164 pinctrl-0 = <&pins_mac>;
165
166 snps,reset-gpio = <&gpb 28 GPIO_ACTIVE_LOW>; /* PB28 */
167 snps,reset-active-low;
168 snps,reset-delays-us = <0 10000 30000>;
169 };
170
171 &mdio {
172 status = "okay";
173
174 ip101gr: ethernet-phy@0 {
175 compatible = "ethernet-phy-id0243.0c54", "ethernet-phy-ieee802.3-c22";
176 reg = <0>;
177 };
178 };
179
180 &otg_phy {
181 status = "okay";
182 };
183
184 &otg {
185 status = "okay";
186 };
187
188 &pinctrl {
189 pins_uart1: uart1 {
190 function = "uart1";
191 groups = "uart1-data";
192 bias-pull-up;
193 };
194
195 pins_ssi0: ssi0 {
196 function = "ssi0";
197 groups = "ssi0-dt", "ssi0-dr", "ssi0-clk", "ssi0-ce0", "ssi0-ce1";
198 bias-disable;
199 };
200
201 pins_i2c0: i2c0 {
202 function = "i2c0";
203 groups = "i2c0-data";
204 bias-pull-up;
205 };
206
207 pins_msc0: msc0 {
208 function = "mmc0";
209 groups = "mmc0-1bit", "mmc0-4bit";
210 bias-disable;
211 };
212
213 pins_msc1: msc1 {
214 function = "mmc1";
215 groups = "mmc1-1bit", "mmc1-4bit";
216 bias-disable;
217 };
218
219 pins_mac: mac {
220 function = "mac";
221 groups = "mac";
222 bias-disable;
223 };
224 };
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