1 // SPDX-License-Identifier: (GPL-2.0+ OR MIT)
2
3 /*
4 * Copyright (C) 2018 O.S. Systems Software LTDA.
5 */
6
7 /dts-v1/;
8
9 #include "rv1108.dtsi"
10
11 / {
12 model = "Elgin RV1108 R1 board";
13 compatible = "elgin,rv1108-r1", "rockchip,rv1108";
14
15 aliases {
16 mmc0 = &emmc;
17 };
18
19 memory@60000000 {
20 device_type = "memory";
21 reg = <0x60000000 0x08000000>;
22 };
23
24 chosen {
25 stdout-path = "serial2:1500000n8";
26 };
27
28 vcc_sys: vsys-regulator {
29 compatible = "regulator-fixed";
30 regulator-name = "vsys";
31 regulator-min-microvolt = <5000000>;
32 regulator-max-microvolt = <5000000>;
33 regulator-boot-on;
34 };
35 };
36
37 &cpu0 {
38 cpu-supply = <&vdd_core>;
39 };
40
41 &emmc {
42 bus-width = <8>;
43 cap-mmc-highspeed;
44 no-sd;
45 no-sdio;
46 non-removable;
47 mmc-ddr-1_8v;
48 mmc-hs200-1_8v;
49 pinctrl-names = "default";
50 pinctrl-0 = <&emmc_clk &emmc_cmd &emmc_bus8>;
51 status = "okay";
52 };
53
54 &gmac {
55 clock_in_out = "output";
56 pinctrl-names = "default";
57 pinctrl-0 = <&rmii_pins>;
58 snps,reset-gpio = <&gpio1 RK_PC1 GPIO_ACTIVE_LOW>;
59 snps,reset-active-low;
60 status = "okay";
61 };
62
63 &i2c0 {
64 clock-frequency = <400000>;
65 i2c-scl-rising-time-ns = <275>;
66 i2c-scl-falling-time-ns = <16>;
67 status = "okay";
68
69 rk805: pmic@18 {
70 compatible = "rockchip,rk805";
71 reg = <0x18>;
72 interrupt-parent = <&gpio0>;
73 interrupts = <RK_PB4 IRQ_TYPE_LEVEL_LOW>;
74 rockchip,system-power-controller;
75 #clock-cells = <0>;
76
77 vcc1-supply = <&vcc_sys>;
78 vcc2-supply = <&vcc_sys>;
79 vcc3-supply = <&vcc_sys>;
80 vcc4-supply = <&vcc_sys>;
81 vcc5-supply = <&vdd_buck2>;
82 vcc6-supply = <&vdd_buck2>;
83
84 regulators {
85 vdd_core: DCDC_REG1 {
86 regulator-name = "vdd_core";
87 regulator-min-microvolt = <700000>;
88 regulator-max-microvolt = <1500000>;
89 regulator-always-on;
90 regulator-boot-on;
91 regulator-state-mem {
92 regulator-on-in-suspend;
93 regulator-suspend-microvolt = <900000>;
94 };
95 };
96
97 vdd_buck2: DCDC_REG2 {
98 regulator-name = "vdd_buck2";
99 regulator-min-microvolt = <2200000>;
100 regulator-max-microvolt = <2200000>;
101 regulator-always-on;
102 regulator-boot-on;
103 regulator-state-mem {
104 regulator-off-in-suspend;
105 };
106 };
107
108 vcc_ddr: DCDC_REG3 {
109 regulator-name = "vcc_ddr";
110 regulator-always-on;
111 regulator-boot-on;
112 regulator-state-mem {
113 regulator-on-in-suspend;
114 };
115 };
116
117 vcc_io: DCDC_REG4 {
118 regulator-name = "vcc_io";
119 regulator-min-microvolt = <3300000>;
120 regulator-max-microvolt = <3300000>;
121 regulator-always-on;
122 regulator-boot-on;
123 regulator-state-mem {
124 regulator-on-in-suspend;
125 regulator-suspend-microvolt = <3300000>;
126 };
127 };
128
129 vdd_10: LDO_REG1 {
130 regulator-name = "vdd_10";
131 regulator-min-microvolt = <1000000>;
132 regulator-max-microvolt = <1000000>;
133 regulator-always-on;
134 regulator-boot-on;
135 regulator-state-mem {
136 regulator-off-in-suspend;
137 };
138 };
139
140 vcc_18: LDO_REG2 {
141 regulator-name = "vcc_18";
142 regulator-min-microvolt = <1800000>;
143 regulator-max-microvolt = <1800000>;
144 regulator-always-on;
145 regulator-boot-on;
146 regulator-state-mem {
147 regulator-off-in-suspend;
148 };
149 };
150
151 vdd10_pmu: LDO_REG3 {
152 regulator-name = "vdd10_pmu";
153 regulator-min-microvolt = <1000000>;
154 regulator-max-microvolt = <1000000>;
155 regulator-always-on;
156 regulator-boot-on;
157 regulator-state-mem {
158 regulator-on-in-suspend;
159 regulator-suspend-microvolt = <1000000>;
160 };
161 };
162 };
163 };
164 };
165
166 &spi {
167 pinctrl-names = "default";
168 pinctrl-0 = <&spim1_clk &spim1_cs0 &spim1_tx &spim1_rx>;
169 status = "okay";
170
171 dh2228fv: dac@0 {
172 compatible = "rohm,dh2228fv";
173 reg = <0>;
174 spi-max-frequency = <24000000>;
175 spi-cpha;
176 spi-cpol;
177 };
178 };
179
180 &u2phy {
181 status = "okay";
182
183 u2phy_host: host-port {
184 status = "okay";
185 };
186
187 u2phy_otg: otg-port {
188 status = "okay";
189 };
190 };
191
192 &uart0 {
193 pinctrl-names = "default";
194 pinctrl-0 = <&uart0_xfer>;
195 status = "okay";
196 };
197
198 &uart2 {
199 status = "okay";
200 };
201
202 &usb_host_ehci {
203 status = "okay";
204 };
205
206 &usb_host_ohci {
207 status = "okay";
208 };
209
210 &usb_otg {
211 status = "okay";
212 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.