1 // SPDX-License-Identifier: (GPL-2.0 OR MIT) !! 1 // SPDX-License-Identifier: (GPL-2.0 or MIT)
2 /* 2 /*
3 * Device Tree Source for the Spider CPU board 3 * Device Tree Source for the Spider CPU board
4 * 4 *
5 * Copyright (C) 2021 Renesas Electronics Corp 5 * Copyright (C) 2021 Renesas Electronics Corp.
6 */ 6 */
7 7
8 #include <dt-bindings/gpio/gpio.h> <<
9 #include <dt-bindings/leds/common.h> <<
10 <<
11 #include "r8a779f0.dtsi" 8 #include "r8a779f0.dtsi"
12 9
13 / { 10 / {
14 model = "Renesas Spider CPU board"; 11 model = "Renesas Spider CPU board";
15 compatible = "renesas,spider-cpu", "re 12 compatible = "renesas,spider-cpu", "renesas,r8a779f0";
16 13
17 aliases { 14 aliases {
18 i2c0 = &i2c0; <<
19 i2c1 = &i2c1; <<
20 i2c2 = &i2c2; <<
21 i2c3 = &i2c3; <<
22 i2c4 = &i2c4; <<
23 i2c5 = &i2c5; <<
24 serial0 = &hscif0; 15 serial0 = &hscif0;
25 serial1 = &scif0; 16 serial1 = &scif0;
26 }; 17 };
27 18
28 chosen { 19 chosen {
29 bootargs = "ignore_loglevel rw 20 bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
30 stdout-path = "serial0:1843200 21 stdout-path = "serial0:1843200n8";
31 }; 22 };
32 23
33 leds { <<
34 compatible = "gpio-leds"; <<
35 <<
36 led-7 { <<
37 gpios = <&gpio0 11 GPI <<
38 color = <LED_COLOR_ID_ <<
39 function = LED_FUNCTIO <<
40 function-enumerator = <<
41 }; <<
42 <<
43 led-8 { <<
44 gpios = <&gpio0 14 GPI <<
45 color = <LED_COLOR_ID_ <<
46 function = LED_FUNCTIO <<
47 function-enumerator = <<
48 }; <<
49 }; <<
50 <<
51 memory@48000000 { 24 memory@48000000 {
52 device_type = "memory"; 25 device_type = "memory";
53 /* first 128MB is reserved for 26 /* first 128MB is reserved for secure area. */
54 reg = <0x0 0x48000000 0x0 0x78 27 reg = <0x0 0x48000000 0x0 0x78000000>;
55 }; 28 };
56 29
57 memory@480000000 { 30 memory@480000000 {
58 device_type = "memory"; 31 device_type = "memory";
59 reg = <0x4 0x80000000 0x0 0x80 32 reg = <0x4 0x80000000 0x0 0x80000000>;
60 }; 33 };
61 34
62 rc21012_pci: clk-rc21012-pci { <<
63 compatible = "fixed-clock"; <<
64 clock-frequency = <100000000>; <<
65 #clock-cells = <0>; <<
66 }; <<
67 <<
68 rc21012_ufs: clk-rc21012-ufs { <<
69 compatible = "fixed-clock"; <<
70 clock-frequency = <38400000>; <<
71 #clock-cells = <0>; <<
72 }; <<
73 <<
74 reg_1p8v: regulator-1p8v { 35 reg_1p8v: regulator-1p8v {
75 compatible = "regulator-fixed" 36 compatible = "regulator-fixed";
76 regulator-name = "fixed-1.8V"; 37 regulator-name = "fixed-1.8V";
77 regulator-min-microvolt = <180 38 regulator-min-microvolt = <1800000>;
78 regulator-max-microvolt = <180 39 regulator-max-microvolt = <1800000>;
79 regulator-boot-on; 40 regulator-boot-on;
80 regulator-always-on; 41 regulator-always-on;
81 }; 42 };
82 43
83 reg_3p3v: regulator-3p3v { 44 reg_3p3v: regulator-3p3v {
84 compatible = "regulator-fixed" 45 compatible = "regulator-fixed";
85 regulator-name = "fixed-3.3V"; 46 regulator-name = "fixed-3.3V";
86 regulator-min-microvolt = <330 47 regulator-min-microvolt = <3300000>;
87 regulator-max-microvolt = <330 48 regulator-max-microvolt = <3300000>;
88 regulator-boot-on; 49 regulator-boot-on;
89 regulator-always-on; 50 regulator-always-on;
90 }; 51 };
91 }; 52 };
92 53
93 &extal_clk { 54 &extal_clk {
94 clock-frequency = <20000000>; 55 clock-frequency = <20000000>;
95 }; 56 };
96 57
97 &extalr_clk { 58 &extalr_clk {
98 clock-frequency = <32768>; 59 clock-frequency = <32768>;
99 }; 60 };
100 61
101 &hscif0 { 62 &hscif0 {
102 pinctrl-0 = <&hscif0_pins>; 63 pinctrl-0 = <&hscif0_pins>;
103 pinctrl-names = "default"; 64 pinctrl-names = "default";
104 65
105 uart-has-rtscts; 66 uart-has-rtscts;
106 status = "okay"; 67 status = "okay";
107 }; 68 };
108 69
109 &i2c0 { <<
110 pinctrl-0 = <&i2c0_pins>; <<
111 pinctrl-names = "default"; <<
112 <<
113 status = "okay"; <<
114 clock-frequency = <400000>; <<
115 <<
116 gpio_exp_20: gpio@20 { <<
117 compatible = "ti,tca9554"; <<
118 reg = <0x20>; <<
119 gpio-controller; <<
120 #gpio-cells = <2>; <<
121 <<
122 rc21012-gpio2-hog { <<
123 gpio-hog; <<
124 gpios = <5 GPIO_ACTIVE <<
125 output-high; <<
126 }; <<
127 }; <<
128 }; <<
129 <<
130 &i2c4 { 70 &i2c4 {
131 pinctrl-0 = <&i2c4_pins>; 71 pinctrl-0 = <&i2c4_pins>;
132 pinctrl-names = "default"; 72 pinctrl-names = "default";
133 73
134 status = "okay"; 74 status = "okay";
135 clock-frequency = <400000>; 75 clock-frequency = <400000>;
136 76
137 eeprom@50 { 77 eeprom@50 {
138 compatible = "rohm,br24g01", " 78 compatible = "rohm,br24g01", "atmel,24c01";
139 label = "cpu-board"; 79 label = "cpu-board";
140 reg = <0x50>; 80 reg = <0x50>;
141 pagesize = <8>; 81 pagesize = <8>;
142 }; 82 };
143 }; 83 };
144 84
145 /* 85 /*
146 * This board also has a microSD slot which we 86 * This board also has a microSD slot which we will not support upstream
147 * because we cannot directly switch voltages 87 * because we cannot directly switch voltages in software.
148 */ 88 */
149 &mmc0 { 89 &mmc0 {
150 pinctrl-0 = <&mmc_pins>; 90 pinctrl-0 = <&mmc_pins>;
151 pinctrl-1 = <&mmc_pins>; 91 pinctrl-1 = <&mmc_pins>;
152 pinctrl-names = "default", "state_uhs" 92 pinctrl-names = "default", "state_uhs";
153 93
154 vmmc-supply = <®_3p3v>; 94 vmmc-supply = <®_3p3v>;
155 vqmmc-supply = <®_1p8v>; 95 vqmmc-supply = <®_1p8v>;
156 mmc-hs200-1_8v; 96 mmc-hs200-1_8v;
157 mmc-hs400-1_8v; 97 mmc-hs400-1_8v;
158 bus-width = <8>; 98 bus-width = <8>;
159 no-sd; 99 no-sd;
160 no-sdio; 100 no-sdio;
161 non-removable; 101 non-removable;
162 full-pwr-cycle-in-suspend; 102 full-pwr-cycle-in-suspend;
163 status = "okay"; 103 status = "okay";
164 }; 104 };
165 105
166 &pcie0_clkref { <<
167 compatible = "gpio-gate-clock"; <<
168 clocks = <&rc21012_pci>; <<
169 enable-gpios = <&gpio2 15 GPIO_ACTIVE_ <<
170 /delete-property/ clock-frequency; <<
171 }; <<
172 <<
173 &pciec0 { <<
174 reset-gpio = <&gpio_exp_20 0 GPIO_ACTI <<
175 status = "okay"; <<
176 }; <<
177 <<
178 &pfc { 106 &pfc {
179 pinctrl-0 = <&scif_clk_pins>; 107 pinctrl-0 = <&scif_clk_pins>;
180 pinctrl-names = "default"; 108 pinctrl-names = "default";
181 109
182 hscif0_pins: hscif0 { 110 hscif0_pins: hscif0 {
183 groups = "hscif0_data", "hscif 111 groups = "hscif0_data", "hscif0_ctrl";
184 function = "hscif0"; 112 function = "hscif0";
185 }; 113 };
186 114
187 i2c0_pins: i2c0 { <<
188 groups = "i2c0"; <<
189 function = "i2c0"; <<
190 }; <<
191 <<
192 i2c4_pins: i2c4 { 115 i2c4_pins: i2c4 {
193 groups = "i2c4"; 116 groups = "i2c4";
194 function = "i2c4"; 117 function = "i2c4";
195 }; 118 };
196 119
197 mmc_pins: mmc { 120 mmc_pins: mmc {
198 groups = "mmc_data8", "mmc_ctr 121 groups = "mmc_data8", "mmc_ctrl", "mmc_ds";
199 function = "mmc"; 122 function = "mmc";
200 power-source = <1800>; 123 power-source = <1800>;
201 }; 124 };
202 125
203 scif0_pins: scif0 { 126 scif0_pins: scif0 {
204 groups = "scif0_data", "scif0_ 127 groups = "scif0_data", "scif0_ctrl";
205 function = "scif0"; 128 function = "scif0";
206 }; 129 };
207 130
208 scif_clk_pins: scif_clk { 131 scif_clk_pins: scif_clk {
209 groups = "scif_clk"; 132 groups = "scif_clk";
210 function = "scif_clk"; 133 function = "scif_clk";
211 }; 134 };
212 }; 135 };
213 136
214 &rwdt { 137 &rwdt {
215 timeout-sec = <60>; 138 timeout-sec = <60>;
216 status = "okay"; 139 status = "okay";
217 }; 140 };
218 141
219 &scif0 { 142 &scif0 {
220 pinctrl-0 = <&scif0_pins>; 143 pinctrl-0 = <&scif0_pins>;
221 pinctrl-names = "default"; 144 pinctrl-names = "default";
222 145
223 uart-has-rtscts; 146 uart-has-rtscts;
224 status = "okay"; 147 status = "okay";
225 }; 148 };
226 149
227 &scif_clk { 150 &scif_clk {
228 clock-frequency = <24000000>; 151 clock-frequency = <24000000>;
229 }; <<
230 <<
231 &ufs { <<
232 status = "okay"; <<
233 }; <<
234 <<
235 &ufs30_clk { <<
236 compatible = "gpio-gate-clock"; <<
237 clocks = <&rc21012_ufs>; <<
238 enable-gpios = <&gpio_exp_20 4 GPIO_AC <<
239 /delete-property/ clock-frequency; <<
240 }; 152 };
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.