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