0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * Device Tree Source for the Wheat board
0004 *
0005 * Copyright (C) 2016 Renesas Electronics Corporation
0006 * Copyright (C) 2016 Cogent Embedded, Inc.
0007 */
0008
0009 /dts-v1/;
0010 #include "r8a7792.dtsi"
0011 #include <dt-bindings/gpio/gpio.h>
0012 #include <dt-bindings/input/input.h>
0013
0014 / {
0015 model = "Wheat";
0016 compatible = "renesas,wheat", "renesas,r8a7792";
0017
0018 aliases {
0019 serial0 = &scif0;
0020 };
0021
0022 chosen {
0023 bootargs = "ignore_loglevel rw root=/dev/nfs ip=on";
0024 stdout-path = "serial0:115200n8";
0025 };
0026
0027 memory@40000000 {
0028 device_type = "memory";
0029 reg = <0 0x40000000 0 0x40000000>;
0030 };
0031
0032 d3_3v: regulator-3v3 {
0033 compatible = "regulator-fixed";
0034 regulator-name = "D3.3V";
0035 regulator-min-microvolt = <3300000>;
0036 regulator-max-microvolt = <3300000>;
0037 regulator-boot-on;
0038 regulator-always-on;
0039 };
0040
0041 ethernet@18000000 {
0042 compatible = "smsc,lan89218", "smsc,lan9115";
0043 reg = <0 0x18000000 0 0x100>;
0044 phy-mode = "mii";
0045 interrupt-parent = <&irqc>;
0046 interrupts = <0 IRQ_TYPE_EDGE_FALLING>;
0047 smsc,irq-push-pull;
0048 smsc,save-mac-address;
0049 reg-io-width = <4>;
0050 vddvario-supply = <&d3_3v>;
0051 vdd33a-supply = <&d3_3v>;
0052
0053 pinctrl-0 = <&lan89218_pins>;
0054 pinctrl-names = "default";
0055 };
0056
0057 keyboard {
0058 compatible = "gpio-keys";
0059
0060 key-a {
0061 linux,code = <KEY_A>;
0062 label = "SW2";
0063 wakeup-source;
0064 debounce-interval = <20>;
0065 gpios = <&gpio3 20 GPIO_ACTIVE_LOW>;
0066 };
0067 key-b {
0068 linux,code = <KEY_B>;
0069 label = "SW3";
0070 wakeup-source;
0071 debounce-interval = <20>;
0072 gpios = <&gpio11 2 GPIO_ACTIVE_LOW>;
0073 };
0074 };
0075
0076 vcc_sdhi0: regulator-vcc-sdhi0 {
0077 compatible = "regulator-fixed";
0078
0079 regulator-name = "SDHI0 Vcc";
0080 regulator-min-microvolt = <3300000>;
0081 regulator-max-microvolt = <3300000>;
0082
0083 gpio = <&gpio11 12 GPIO_ACTIVE_HIGH>;
0084 enable-active-high;
0085 };
0086
0087 hdmi-out0 {
0088 compatible = "hdmi-connector";
0089 type = "a";
0090
0091 port {
0092 hdmi_con0: endpoint {
0093 remote-endpoint = <&adv7513_0_out>;
0094 };
0095 };
0096 };
0097
0098 hdmi-out1 {
0099 compatible = "hdmi-connector";
0100 type = "a";
0101
0102 port {
0103 hdmi_con1: endpoint {
0104 remote-endpoint = <&adv7513_1_out>;
0105 };
0106 };
0107 };
0108
0109 osc2_clk: osc2 {
0110 compatible = "fixed-clock";
0111 #clock-cells = <0>;
0112 clock-frequency = <74250000>;
0113 };
0114 };
0115
0116 &extal_clk {
0117 clock-frequency = <20000000>;
0118 };
0119
0120 &pfc {
0121 scif0_pins: scif0 {
0122 groups = "scif0_data";
0123 function = "scif0";
0124 };
0125
0126 lan89218_pins: lan89218 {
0127 intc {
0128 groups = "intc_irq0";
0129 function = "intc";
0130 };
0131 lbsc {
0132 groups = "lbsc_ex_cs0";
0133 function = "lbsc";
0134 };
0135 };
0136
0137 can0_pins: can0 {
0138 groups = "can0_data";
0139 function = "can0";
0140 };
0141
0142 can1_pins: can1 {
0143 groups = "can1_data";
0144 function = "can1";
0145 };
0146
0147 sdhi0_pins: sdhi0 {
0148 groups = "sdhi0_data4", "sdhi0_ctrl";
0149 function = "sdhi0";
0150 };
0151
0152 qspi_pins: qspi {
0153 groups = "qspi_ctrl", "qspi_data4";
0154 function = "qspi";
0155 };
0156
0157 du0_pins: du0 {
0158 groups = "du0_rgb888", "du0_sync", "du0_disp";
0159 function = "du0";
0160 };
0161
0162 du1_pins: du1 {
0163 groups = "du1_rgb666", "du1_sync", "du1_disp";
0164 function = "du1";
0165 };
0166 };
0167
0168 &rwdt {
0169 timeout-sec = <60>;
0170 status = "okay";
0171 };
0172
0173 &scif0 {
0174 pinctrl-0 = <&scif0_pins>;
0175 pinctrl-names = "default";
0176
0177 status = "okay";
0178 };
0179
0180 &can0 {
0181 pinctrl-0 = <&can0_pins>;
0182 pinctrl-names = "default";
0183
0184 status = "okay";
0185 };
0186
0187 &can1 {
0188 pinctrl-0 = <&can1_pins>;
0189 pinctrl-names = "default";
0190
0191 status = "okay";
0192 };
0193
0194 &sdhi0 {
0195 pinctrl-0 = <&sdhi0_pins>;
0196 pinctrl-names = "default";
0197
0198 vmmc-supply = <&vcc_sdhi0>;
0199 cd-gpios = <&gpio11 11 GPIO_ACTIVE_LOW>;
0200 status = "okay";
0201 };
0202
0203 &qspi {
0204 pinctrl-0 = <&qspi_pins>;
0205 pinctrl-names = "default";
0206 status = "okay";
0207
0208 flash@0 {
0209 compatible = "spansion,s25fl512s", "jedec,spi-nor";
0210 reg = <0>;
0211 spi-max-frequency = <30000000>;
0212 spi-tx-bus-width = <4>;
0213 spi-rx-bus-width = <4>;
0214 spi-cpol;
0215 spi-cpha;
0216 m25p,fast-read;
0217
0218 partitions {
0219 compatible = "fixed-partitions";
0220 #address-cells = <1>;
0221 #size-cells = <1>;
0222
0223 partition@0 {
0224 label = "loader";
0225 reg = <0x00000000 0x00040000>;
0226 read-only;
0227 };
0228 partition@40000 {
0229 label = "user";
0230 reg = <0x00040000 0x00400000>;
0231 read-only;
0232 };
0233 partition@440000 {
0234 label = "flash";
0235 reg = <0x00440000 0x03bc0000>;
0236 };
0237 };
0238 };
0239 };
0240
0241 &i2c4 {
0242 status = "okay";
0243 clock-frequency = <400000>;
0244
0245 /*
0246 * The adv75xx resets its addresses to defaults during low power mode.
0247 * Because we have two ADV7513 devices on the same bus, we must change
0248 * both of them away from the defaults so that they do not conflict.
0249 */
0250 hdmi@3d {
0251 compatible = "adi,adv7513";
0252 reg = <0x3d>, <0x4d>, <0x2d>, <0x5d>;
0253 reg-names = "main", "edid", "cec", "packet";
0254
0255 adi,input-depth = <8>;
0256 adi,input-colorspace = "rgb";
0257 adi,input-clock = "1x";
0258
0259 ports {
0260 #address-cells = <1>;
0261 #size-cells = <0>;
0262
0263 port@0 {
0264 reg = <0>;
0265 adv7513_0_in: endpoint {
0266 remote-endpoint = <&du_out_rgb0>;
0267 };
0268 };
0269
0270 port@1 {
0271 reg = <1>;
0272 adv7513_0_out: endpoint {
0273 remote-endpoint = <&hdmi_con0>;
0274 };
0275 };
0276 };
0277 };
0278
0279 hdmi@39 {
0280 compatible = "adi,adv7513";
0281 reg = <0x39>, <0x49>, <0x29>, <0x59>;
0282 reg-names = "main", "edid", "cec", "packet";
0283
0284 adi,input-depth = <8>;
0285 adi,input-colorspace = "rgb";
0286 adi,input-clock = "1x";
0287
0288 ports {
0289 #address-cells = <1>;
0290 #size-cells = <0>;
0291
0292 port@0 {
0293 reg = <0>;
0294 adv7513_1_in: endpoint {
0295 remote-endpoint = <&du_out_rgb1>;
0296 };
0297 };
0298
0299 port@1 {
0300 reg = <1>;
0301 adv7513_1_out: endpoint {
0302 remote-endpoint = <&hdmi_con1>;
0303 };
0304 };
0305 };
0306 };
0307 };
0308
0309 &du {
0310 pinctrl-0 = <&du0_pins>, <&du1_pins>;
0311 pinctrl-names = "default";
0312
0313 clocks = <&cpg CPG_MOD 724>, <&cpg CPG_MOD 723>, <&osc2_clk>;
0314 clock-names = "du.0", "du.1", "dclkin.0";
0315 status = "okay";
0316
0317 ports {
0318 port@0 {
0319 endpoint {
0320 remote-endpoint = <&adv7513_0_in>;
0321 };
0322 };
0323 port@1 {
0324 endpoint {
0325 remote-endpoint = <&adv7513_1_in>;
0326 };
0327 };
0328 };
0329 };
