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 { <<
18 i2c0 = &i2c0; <<
19 i2c1 = &i2c1; <<
20 i2c2 = &i2c2; <<
21 i2c3 = &i2c3; <<
22 i2c4 = &i2c4; <<
23 i2c5 = &i2c5; <<
24 serial0 = &hscif0; <<
25 serial1 = &scif0; <<
26 }; <<
27 <<
28 chosen { <<
29 bootargs = "ignore_loglevel rw <<
30 stdout-path = "serial0:1843200 <<
31 }; <<
32 <<
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 { 14 memory@48000000 {
52 device_type = "memory"; 15 device_type = "memory";
53 /* first 128MB is reserved for 16 /* first 128MB is reserved for secure area. */
54 reg = <0x0 0x48000000 0x0 0x78 17 reg = <0x0 0x48000000 0x0 0x78000000>;
55 }; 18 };
56 19
57 memory@480000000 { 20 memory@480000000 {
58 device_type = "memory"; 21 device_type = "memory";
59 reg = <0x4 0x80000000 0x0 0x80 22 reg = <0x4 0x80000000 0x0 0x80000000>;
60 }; 23 };
61 <<
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 { <<
75 compatible = "regulator-fixed" <<
76 regulator-name = "fixed-1.8V"; <<
77 regulator-min-microvolt = <180 <<
78 regulator-max-microvolt = <180 <<
79 regulator-boot-on; <<
80 regulator-always-on; <<
81 }; <<
82 <<
83 reg_3p3v: regulator-3p3v { <<
84 compatible = "regulator-fixed" <<
85 regulator-name = "fixed-3.3V"; <<
86 regulator-min-microvolt = <330 <<
87 regulator-max-microvolt = <330 <<
88 regulator-boot-on; <<
89 regulator-always-on; <<
90 }; <<
91 }; 24 };
92 25
93 &extal_clk { 26 &extal_clk {
94 clock-frequency = <20000000>; 27 clock-frequency = <20000000>;
95 }; 28 };
96 29
97 &extalr_clk { 30 &extalr_clk {
98 clock-frequency = <32768>; 31 clock-frequency = <32768>;
99 }; 32 };
100 33
101 &hscif0 { <<
102 pinctrl-0 = <&hscif0_pins>; <<
103 pinctrl-names = "default"; <<
104 <<
105 uart-has-rtscts; <<
106 status = "okay"; <<
107 }; <<
108 <<
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 { 34 &i2c4 {
131 pinctrl-0 = <&i2c4_pins>; 35 pinctrl-0 = <&i2c4_pins>;
132 pinctrl-names = "default"; 36 pinctrl-names = "default";
133 37
134 status = "okay"; 38 status = "okay";
135 clock-frequency = <400000>; 39 clock-frequency = <400000>;
136 40
137 eeprom@50 { 41 eeprom@50 {
138 compatible = "rohm,br24g01", " 42 compatible = "rohm,br24g01", "atmel,24c01";
139 label = "cpu-board"; 43 label = "cpu-board";
140 reg = <0x50>; 44 reg = <0x50>;
141 pagesize = <8>; 45 pagesize = <8>;
142 }; 46 };
143 }; 47 };
144 48
145 /* <<
146 * This board also has a microSD slot which we <<
147 * because we cannot directly switch voltages <<
148 */ <<
149 &mmc0 { <<
150 pinctrl-0 = <&mmc_pins>; <<
151 pinctrl-1 = <&mmc_pins>; <<
152 pinctrl-names = "default", "state_uhs" <<
153 <<
154 vmmc-supply = <®_3p3v>; <<
155 vqmmc-supply = <®_1p8v>; <<
156 mmc-hs200-1_8v; <<
157 mmc-hs400-1_8v; <<
158 bus-width = <8>; <<
159 no-sd; <<
160 no-sdio; <<
161 non-removable; <<
162 full-pwr-cycle-in-suspend; <<
163 status = "okay"; <<
164 }; <<
165 <<
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 { 49 &pfc {
179 pinctrl-0 = <&scif_clk_pins>; 50 pinctrl-0 = <&scif_clk_pins>;
180 pinctrl-names = "default"; 51 pinctrl-names = "default";
181 52
182 hscif0_pins: hscif0 { <<
183 groups = "hscif0_data", "hscif <<
184 function = "hscif0"; <<
185 }; <<
186 <<
187 i2c0_pins: i2c0 { <<
188 groups = "i2c0"; <<
189 function = "i2c0"; <<
190 }; <<
191 <<
192 i2c4_pins: i2c4 { 53 i2c4_pins: i2c4 {
193 groups = "i2c4"; 54 groups = "i2c4";
194 function = "i2c4"; 55 function = "i2c4";
195 }; 56 };
196 57
197 mmc_pins: mmc { <<
198 groups = "mmc_data8", "mmc_ctr <<
199 function = "mmc"; <<
200 power-source = <1800>; <<
201 }; <<
202 <<
203 scif0_pins: scif0 { 58 scif0_pins: scif0 {
204 groups = "scif0_data", "scif0_ 59 groups = "scif0_data", "scif0_ctrl";
205 function = "scif0"; 60 function = "scif0";
206 }; 61 };
207 62
>> 63 scif3_pins: scif3 {
>> 64 groups = "scif3_data", "scif3_ctrl";
>> 65 function = "scif3";
>> 66 };
>> 67
208 scif_clk_pins: scif_clk { 68 scif_clk_pins: scif_clk {
209 groups = "scif_clk"; 69 groups = "scif_clk";
210 function = "scif_clk"; 70 function = "scif_clk";
211 }; 71 };
212 }; 72 };
213 73
214 &rwdt { 74 &rwdt {
215 timeout-sec = <60>; 75 timeout-sec = <60>;
216 status = "okay"; 76 status = "okay";
217 }; 77 };
218 78
219 &scif0 { 79 &scif0 {
220 pinctrl-0 = <&scif0_pins>; 80 pinctrl-0 = <&scif0_pins>;
221 pinctrl-names = "default"; 81 pinctrl-names = "default";
222 82
223 uart-has-rtscts; 83 uart-has-rtscts;
224 status = "okay"; 84 status = "okay";
225 }; 85 };
226 86
227 &scif_clk { !! 87 &scif3 {
228 clock-frequency = <24000000>; !! 88 pinctrl-0 = <&scif3_pins>;
229 }; !! 89 pinctrl-names = "default";
230 90
231 &ufs { !! 91 uart-has-rtscts;
232 status = "okay"; 92 status = "okay";
233 }; 93 };
234 94
235 &ufs30_clk { !! 95 &scif_clk {
236 compatible = "gpio-gate-clock"; !! 96 clock-frequency = <24000000>;
237 clocks = <&rc21012_ufs>; <<
238 enable-gpios = <&gpio_exp_20 4 GPIO_AC <<
239 /delete-property/ clock-frequency; <<
240 }; 97 };
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