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