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 R-Car S4 Starter 3 * Device Tree Source for the R-Car S4 Starter Kit board
4 * 4 *
5 * Copyright (C) 2023 Renesas Electronics Corp 5 * Copyright (C) 2023 Renesas Electronics Corp.
6 */ 6 */
7 7
8 /dts-v1/; 8 /dts-v1/;
9 #include <dt-bindings/gpio/gpio.h> 9 #include <dt-bindings/gpio/gpio.h>
10 #include "r8a779f4.dtsi" 10 #include "r8a779f4.dtsi"
11 11
12 / { 12 / {
13 model = "R-Car S4 Starter Kit board"; 13 model = "R-Car S4 Starter Kit board";
14 compatible = "renesas,s4sk", "renesas, 14 compatible = "renesas,s4sk", "renesas,r8a779f4", "renesas,r8a779f0";
15 15
16 aliases { 16 aliases {
17 i2c0 = &i2c0; !! 17 serial0 = &hscif0;
18 i2c1 = &i2c1; !! 18 serial1 = &hscif1;
19 i2c2 = &i2c2; !! 19 eth0 = &rswitch;
20 i2c3 = &i2c3; <<
21 i2c4 = &i2c4; <<
22 i2c5 = &i2c5; <<
23 serial0 = &hscif0; <<
24 serial1 = &hscif1; <<
25 ethernet0 = &rswitch; <<
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 = "serial0:921600n 24 stdout-path = "serial0:921600n8";
31 }; 25 };
32 26
33 memory@48000000 { 27 memory@48000000 {
34 device_type = "memory"; 28 device_type = "memory";
35 /* first 128MB is reserved for 29 /* first 128MB is reserved for secure area. */
36 /* The last 512MB is reserved 30 /* The last 512MB is reserved for CR. */
37 reg = <0x0 0x48000000 0x0 0x58 31 reg = <0x0 0x48000000 0x0 0x58000000>;
38 }; 32 };
39 33
40 memory@480000000 { 34 memory@480000000 {
41 device_type = "memory"; 35 device_type = "memory";
42 reg = <0x4 0x80000000 0x0 0x80 36 reg = <0x4 0x80000000 0x0 0x80000000>;
43 }; 37 };
44 38
45 vcc_sdhi: regulator-vcc-sdhi { 39 vcc_sdhi: regulator-vcc-sdhi {
46 compatible = "regulator-fixed" 40 compatible = "regulator-fixed";
47 regulator-name = "SDHI Vcc"; 41 regulator-name = "SDHI Vcc";
48 regulator-min-microvolt = <330 42 regulator-min-microvolt = <3300000>;
49 regulator-max-microvolt = <330 43 regulator-max-microvolt = <3300000>;
50 gpio = <&gpio1 24 GPIO_ACTIVE_ 44 gpio = <&gpio1 24 GPIO_ACTIVE_HIGH>;
51 enable-active-high; 45 enable-active-high;
52 }; 46 };
53 }; 47 };
54 48
55 ð_serdes { 49 ð_serdes {
56 status = "okay"; 50 status = "okay";
57 }; 51 };
58 52
59 &extal_clk { 53 &extal_clk {
60 clock-frequency = <20000000>; 54 clock-frequency = <20000000>;
61 }; 55 };
62 56
63 &extalr_clk { 57 &extalr_clk {
64 clock-frequency = <32768>; 58 clock-frequency = <32768>;
65 }; 59 };
66 60
67 &hscif0 { 61 &hscif0 {
68 pinctrl-0 = <&hscif0_pins>; 62 pinctrl-0 = <&hscif0_pins>;
69 pinctrl-names = "default"; 63 pinctrl-names = "default";
70 64
71 uart-has-rtscts; 65 uart-has-rtscts;
72 status = "okay"; 66 status = "okay";
73 }; 67 };
74 68
75 &hscif1 { 69 &hscif1 {
76 pinctrl-0 = <&hscif1_pins>; 70 pinctrl-0 = <&hscif1_pins>;
77 pinctrl-names = "default"; 71 pinctrl-names = "default";
78 72
79 uart-has-rtscts; 73 uart-has-rtscts;
80 status = "okay"; 74 status = "okay";
81 }; 75 };
82 76
83 &i2c2 { 77 &i2c2 {
84 pinctrl-0 = <&i2c2_pins>; 78 pinctrl-0 = <&i2c2_pins>;
85 pinctrl-names = "default"; 79 pinctrl-names = "default";
86 80
87 status = "okay"; 81 status = "okay";
88 clock-frequency = <400000>; 82 clock-frequency = <400000>;
89 }; 83 };
90 84
91 &i2c4 { 85 &i2c4 {
92 pinctrl-0 = <&i2c4_pins>; 86 pinctrl-0 = <&i2c4_pins>;
93 pinctrl-names = "default"; 87 pinctrl-names = "default";
94 88
95 status = "okay"; 89 status = "okay";
96 clock-frequency = <400000>; 90 clock-frequency = <400000>;
97 }; 91 };
98 92
99 &i2c5 { 93 &i2c5 {
100 pinctrl-0 = <&i2c5_pins>; 94 pinctrl-0 = <&i2c5_pins>;
101 pinctrl-names = "default"; 95 pinctrl-names = "default";
102 96
103 status = "okay"; 97 status = "okay";
104 clock-frequency = <400000>; 98 clock-frequency = <400000>;
105 99
106 eeprom@50 { 100 eeprom@50 {
107 compatible = "st,24c16", "atme 101 compatible = "st,24c16", "atmel,24c16";
108 reg = <0x50>; 102 reg = <0x50>;
109 pagesize = <16>; 103 pagesize = <16>;
110 }; 104 };
111 }; 105 };
112 106
113 &mmc0 { 107 &mmc0 {
114 pinctrl-0 = <&sd_pins>; 108 pinctrl-0 = <&sd_pins>;
115 pinctrl-names = "default"; 109 pinctrl-names = "default";
116 110
117 vmmc-supply = <&vcc_sdhi>; 111 vmmc-supply = <&vcc_sdhi>;
118 cd-gpios = <&gpio1 23 GPIO_ACTIVE_LOW> 112 cd-gpios = <&gpio1 23 GPIO_ACTIVE_LOW>;
119 bus-width = <4>; 113 bus-width = <4>;
120 status = "okay"; 114 status = "okay";
121 }; 115 };
122 116
123 &pfc { 117 &pfc {
124 pinctrl-0 = <&scif_clk_pins>; 118 pinctrl-0 = <&scif_clk_pins>;
125 pinctrl-names = "default"; 119 pinctrl-names = "default";
126 120
127 hscif0_pins: hscif0 { 121 hscif0_pins: hscif0 {
128 groups = "hscif0_data", "hscif 122 groups = "hscif0_data", "hscif0_ctrl";
129 function = "hscif0"; 123 function = "hscif0";
130 }; 124 };
131 125
132 hscif1_pins: hscif1 { 126 hscif1_pins: hscif1 {
133 groups = "hscif1_data", "hscif 127 groups = "hscif1_data", "hscif1_ctrl";
134 function = "hscif1"; 128 function = "hscif1";
135 }; 129 };
136 130
137 i2c2_pins: i2c2 { 131 i2c2_pins: i2c2 {
138 groups = "i2c2"; 132 groups = "i2c2";
139 function = "i2c2"; 133 function = "i2c2";
140 }; 134 };
141 135
142 i2c4_pins: i2c4 { 136 i2c4_pins: i2c4 {
143 groups = "i2c4"; 137 groups = "i2c4";
144 function = "i2c4"; 138 function = "i2c4";
145 }; 139 };
146 140
147 i2c5_pins: i2c5 { 141 i2c5_pins: i2c5 {
148 groups = "i2c5"; 142 groups = "i2c5";
149 function = "i2c5"; 143 function = "i2c5";
150 }; 144 };
151 145
152 scif_clk_pins: scif_clk { 146 scif_clk_pins: scif_clk {
153 groups = "scif_clk"; 147 groups = "scif_clk";
154 function = "scif_clk"; 148 function = "scif_clk";
155 }; 149 };
156 150
157 sd_pins: sd { 151 sd_pins: sd {
158 groups = "mmc_data4", "mmc_ctr 152 groups = "mmc_data4", "mmc_ctrl";
159 function = "mmc"; 153 function = "mmc";
160 power-source = <3300>; 154 power-source = <3300>;
161 }; 155 };
162 156
163 tsn0_pins: tsn0 { 157 tsn0_pins: tsn0 {
164 groups = "tsn0_mdio_b", "tsn0_ 158 groups = "tsn0_mdio_b", "tsn0_link_b";
165 function = "tsn0"; 159 function = "tsn0";
166 drive-strength = <18>; 160 drive-strength = <18>;
167 power-source = <3300>; 161 power-source = <3300>;
168 }; 162 };
169 163
170 tsn1_pins: tsn1 { 164 tsn1_pins: tsn1 {
171 groups = "tsn1_mdio_b", "tsn1_ 165 groups = "tsn1_mdio_b", "tsn1_link_b";
172 function = "tsn1"; 166 function = "tsn1";
173 drive-strength = <18>; 167 drive-strength = <18>;
174 power-source = <3300>; 168 power-source = <3300>;
175 }; 169 };
176 }; 170 };
177 171
178 &rswitch { 172 &rswitch {
179 pinctrl-0 = <&tsn0_pins>, <&tsn1_pins> 173 pinctrl-0 = <&tsn0_pins>, <&tsn1_pins>;
180 pinctrl-names = "default"; 174 pinctrl-names = "default";
181 status = "okay"; 175 status = "okay";
182 176
183 ethernet-ports { 177 ethernet-ports {
184 #address-cells = <1>; 178 #address-cells = <1>;
185 #size-cells = <0>; 179 #size-cells = <0>;
186 180
187 port@0 { 181 port@0 {
188 reg = <0>; 182 reg = <0>;
189 phy-handle = <&ic99>; 183 phy-handle = <&ic99>;
190 phy-mode = "sgmii"; 184 phy-mode = "sgmii";
191 phys = <ð_serdes 0> 185 phys = <ð_serdes 0>;
192 186
193 mdio { 187 mdio {
194 #address-cells 188 #address-cells = <1>;
195 #size-cells = 189 #size-cells = <0>;
196 190
197 ic99: ethernet 191 ic99: ethernet-phy@1 {
198 reg = 192 reg = <1>;
199 compat 193 compatible = "ethernet-phy-ieee802.3-c45";
200 interr 194 interrupt-parent = <&gpio3>;
201 interr 195 interrupts = <10 IRQ_TYPE_LEVEL_LOW>;
202 }; 196 };
203 }; 197 };
204 }; 198 };
205 199
206 port@1 { 200 port@1 {
207 reg = <1>; 201 reg = <1>;
208 phy-handle = <&ic102>; 202 phy-handle = <&ic102>;
209 phy-mode = "sgmii"; 203 phy-mode = "sgmii";
210 phys = <ð_serdes 1> 204 phys = <ð_serdes 1>;
211 205
212 mdio { 206 mdio {
213 #address-cells 207 #address-cells = <1>;
214 #size-cells = 208 #size-cells = <0>;
215 209
216 ic102: etherne 210 ic102: ethernet-phy@2 {
217 reg = 211 reg = <2>;
218 compat 212 compatible = "ethernet-phy-ieee802.3-c45";
219 interr 213 interrupt-parent = <&gpio3>;
220 interr 214 interrupts = <11 IRQ_TYPE_LEVEL_LOW>;
221 }; 215 };
222 }; 216 };
223 }; 217 };
224 218
225 port@2 { 219 port@2 {
226 status = "disabled"; 220 status = "disabled";
227 }; 221 };
228 }; 222 };
229 }; 223 };
230 224
231 &rwdt { 225 &rwdt {
232 timeout-sec = <60>; 226 timeout-sec = <60>;
233 status = "okay"; 227 status = "okay";
234 }; 228 };
235 229
236 &scif_clk { 230 &scif_clk {
237 clock-frequency = <24000000>; 231 clock-frequency = <24000000>;
238 }; 232 };
239 233
240 &ufs { 234 &ufs {
241 status = "okay"; 235 status = "okay";
242 }; 236 };
243 237
244 &ufs30_clk { 238 &ufs30_clk {
245 clock-frequency = <38400000>; 239 clock-frequency = <38400000>;
246 }; 240 };
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