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