0001 // SPDX-License-Identifier: GPL-2.0-only
0002 /*
0003 * Copyright (C) 2015 CompuLab, Ltd. - http://www.compulab.co.il/
0004 */
0005
0006 /dts-v1/;
0007
0008 #include <dt-bindings/pinctrl/am43xx.h>
0009 #include <dt-bindings/gpio/gpio.h>
0010 #include <dt-bindings/interrupt-controller/irq.h>
0011 #include "am4372.dtsi"
0012
0013 / {
0014 model = "CompuLab CM-T43";
0015 compatible = "compulab,am437x-cm-t43", "ti,am4372", "ti,am43";
0016
0017 leds {
0018 compatible = "gpio-leds";
0019
0020 ledb {
0021 label = "cm-t43:green";
0022 gpios = <&gpio0 24 GPIO_ACTIVE_HIGH>;
0023 linux,default-trigger = "heartbeat";
0024 };
0025 };
0026
0027 vmmc_3v3: fixedregulator-v3_3 {
0028 compatible = "regulator-fixed";
0029 regulator-name = "vmmc_3v3";
0030 regulator-min-microvolt = <3300000>;
0031 regulator-max-microvolt = <3300000>;
0032 regulator-always-on;
0033 enable-active-high;
0034 };
0035 };
0036
0037 &am43xx_pinmux {
0038 pinctrl-names = "default";
0039 pinctrl-0 = <&cm_t43_led_pins>;
0040
0041 cm_t43_led_pins: cm_t43_led_pins {
0042 pinctrl-single,pins = <
0043 AM4372_IOPAD(0xa78, MUX_MODE7)
0044 >;
0045 };
0046
0047 i2c0_pins: i2c0_pins {
0048 pinctrl-single,pins = <
0049 AM4372_IOPAD(0x988, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_sda.i2c0_sda */
0050 AM4372_IOPAD(0x98c, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* i2c0_scl.i2c0_scl */
0051 >;
0052 };
0053
0054 emmc_pins: emmc_pins {
0055 pinctrl-single,pins = <
0056 AM4372_IOPAD(0x820, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad8.mmc1_dat0 */
0057 AM4372_IOPAD(0x824, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad9.mmc1_dat1 */
0058 AM4372_IOPAD(0x828, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad10.mmc1_dat2 */
0059 AM4372_IOPAD(0x82c, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad11.mmc1_dat3 */
0060 AM4372_IOPAD(0x830, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad12.mmc1_dat4 */
0061 AM4372_IOPAD(0x834, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad13.mmc1_dat5 */
0062 AM4372_IOPAD(0x838, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad14.mmc1_dat6 */
0063 AM4372_IOPAD(0x83c, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_ad15.mmc1_dat7 */
0064 AM4372_IOPAD(0x880, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn1.mmc1_clk */
0065 AM4372_IOPAD(0x884, PIN_INPUT_PULLUP | MUX_MODE2) /* gpmc_csn2.mmc1_cmd */
0066 >;
0067 };
0068
0069 spi0_pins: pinmux_spi0_pins {
0070 pinctrl-single,pins = <
0071 AM4372_IOPAD(0x950, PIN_INPUT | MUX_MODE0) /* spi0_sclk.spi0_sclk */
0072 AM4372_IOPAD(0x954, PIN_INPUT | MUX_MODE0) /* spi0_d0.spi0_d0 */
0073 AM4372_IOPAD(0x958, PIN_OUTPUT | MUX_MODE0) /* spi0_d1.spi0_d1 */
0074 AM4372_IOPAD(0x95C, PIN_OUTPUT | MUX_MODE0) /* spi0_cs0.spi0_cs0 */
0075 >;
0076 };
0077
0078 nand_flash_x8: nand_flash_x8 {
0079 pinctrl-single,pins = <
0080 AM4372_IOPAD(0x800, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
0081 AM4372_IOPAD(0x804, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
0082 AM4372_IOPAD(0x808, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
0083 AM4372_IOPAD(0x80c, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
0084 AM4372_IOPAD(0x810, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
0085 AM4372_IOPAD(0x814, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
0086 AM4372_IOPAD(0x818, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
0087 AM4372_IOPAD(0x81c, PIN_INPUT | PULL_DISABLE | MUX_MODE0)
0088 AM4372_IOPAD(0x870, PIN_INPUT_PULLUP | MUX_MODE0)
0089 AM4372_IOPAD(0x874, PIN_OUTPUT_PULLUP | MUX_MODE0)
0090 AM4372_IOPAD(0x87c, PIN_OUTPUT_PULLUP | MUX_MODE0)
0091 AM4372_IOPAD(0x898, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
0092 AM4372_IOPAD(0x894, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
0093 AM4372_IOPAD(0x890, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
0094 AM4372_IOPAD(0x89c, PIN_OUTPUT_PULLDOWN | MUX_MODE0)
0095 >;
0096 };
0097
0098 cpsw_default: cpsw_default {
0099 pinctrl-single,pins = <
0100 /* Slave 1 */
0101 AM4372_IOPAD(0x914, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txen.rgmii1_txen */
0102 AM4372_IOPAD(0x918, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxdv.rgmii1_rxctl */
0103 AM4372_IOPAD(0x91c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_txd3 */
0104 AM4372_IOPAD(0x920, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_txd2 */
0105 AM4372_IOPAD(0x924, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd1.rgmii1_txd1 */
0106 AM4372_IOPAD(0x928, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txd0.rgmii1_txd0 */
0107 AM4372_IOPAD(0x92c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* mii1_txclk.rmii1_tclk */
0108 AM4372_IOPAD(0x930, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxclk.rmii1_rclk */
0109 AM4372_IOPAD(0x934, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd1.rgmii1_rxd3 */
0110 AM4372_IOPAD(0x938, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd0.rgmii1_rxd2 */
0111 AM4372_IOPAD(0x93c, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd1.rgmii1_rxd1 */
0112 AM4372_IOPAD(0x940, PIN_INPUT_PULLDOWN | MUX_MODE2) /* mii1_rxd0.rgmii1_rxd0 */
0113 AM4372_IOPAD(0xa74, MUX_MODE3)
0114 /* Slave 2 */
0115 AM4372_IOPAD(0x840, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a0.txen */
0116 AM4372_IOPAD(0x844, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a1.rxctl */
0117 AM4372_IOPAD(0x848, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a2.txd3 */
0118 AM4372_IOPAD(0x84c, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a3.txd2 */
0119 AM4372_IOPAD(0x850, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a4.txd1 */
0120 AM4372_IOPAD(0x854, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a5.txd0 */
0121 AM4372_IOPAD(0x858, PIN_OUTPUT_PULLDOWN | MUX_MODE2) /* gpmc_a6.tclk */
0122 AM4372_IOPAD(0x85c, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a7.rclk */
0123 AM4372_IOPAD(0x860, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a8.rxd3 */
0124 AM4372_IOPAD(0x864, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a9.rxd2 */
0125 AM4372_IOPAD(0x868, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a10.rxd1 */
0126 AM4372_IOPAD(0x86c, PIN_INPUT_PULLDOWN | MUX_MODE2) /* gpmc_a11.rxd0 */
0127 AM4372_IOPAD(0xa38, MUX_MODE7)
0128 >;
0129 };
0130
0131 davinci_mdio_default: davinci_mdio_default {
0132 pinctrl-single,pins = <
0133 /* MDIO */
0134 AM4372_IOPAD(0x948, PIN_INPUT_PULLUP | SLEWCTRL_FAST | MUX_MODE0) /* mdio_data.mdio_data */
0135 AM4372_IOPAD(0x94c, PIN_OUTPUT_PULLUP | MUX_MODE0) /* mdio_clk.mdio_clk */
0136 >;
0137 };
0138 };
0139
0140 &gpmc {
0141 status = "okay";
0142 pinctrl-names = "default";
0143 pinctrl-0 = <&nand_flash_x8>;
0144 ranges = <0 0 0x08000000 0x1000000>;
0145 nand@0,0 {
0146 compatible = "ti,omap2-nand";
0147 reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
0148 interrupt-parent = <&gpmc>;
0149 interrupts = <0 IRQ_TYPE_NONE>, /* fifoevent */
0150 <1 IRQ_TYPE_NONE>; /* termcount */
0151 ti,nand-ecc-opt = "bch8";
0152 ti,elm-id = <&elm>;
0153
0154 nand-bus-width = <8>;
0155 gpmc,device-width = <1>;
0156 gpmc,sync-clk-ps = <0>;
0157 gpmc,cs-on-ns = <0>;
0158 gpmc,cs-rd-off-ns = <44>;
0159 gpmc,cs-wr-off-ns = <44>;
0160 gpmc,adv-on-ns = <6>;
0161 gpmc,adv-rd-off-ns = <34>;
0162 gpmc,adv-wr-off-ns = <44>;
0163 gpmc,we-on-ns = <0>;
0164 gpmc,we-off-ns = <40>;
0165 gpmc,oe-on-ns = <0>;
0166 gpmc,oe-off-ns = <54>;
0167 gpmc,access-ns = <64>;
0168 gpmc,rd-cycle-ns = <82>;
0169 gpmc,wr-cycle-ns = <82>;
0170 gpmc,bus-turnaround-ns = <0>;
0171 gpmc,cycle2cycle-delay-ns = <0>;
0172 gpmc,clk-activation-ns = <0>;
0173 gpmc,wr-access-ns = <40>;
0174 gpmc,wr-data-mux-bus-ns = <0>;
0175
0176 #address-cells = <1>;
0177 #size-cells = <1>;
0178 /* MTD partition table */
0179 partition@0 {
0180 label = "kernel";
0181 reg = <0x0 0x00980000>;
0182 };
0183 partition@980000 {
0184 label = "dtb";
0185 reg = <0x00980000 0x00080000>;
0186 };
0187 partition@a00000 {
0188 label = "rootfs";
0189 reg = <0x00a00000 0x0>;
0190 };
0191 };
0192 };
0193
0194 &i2c0 {
0195 status = "okay";
0196 pinctrl-names = "default";
0197 pinctrl-0 = <&i2c0_pins>;
0198 clock-frequency = <100000>;
0199
0200 tps65218: tps65218@24 {
0201 compatible = "ti,tps65218";
0202 reg = <0x24>;
0203 interrupts = <GIC_SPI 7 IRQ_TYPE_LEVEL_HIGH>; /* NMIn */
0204 interrupt-parent = <&gic>;
0205 interrupt-controller;
0206 #interrupt-cells = <2>;
0207
0208 dcdc1: regulator-dcdc1 {
0209 regulator-name = "vdd_core";
0210 regulator-min-microvolt = <912000>;
0211 regulator-max-microvolt = <1144000>;
0212 regulator-boot-on;
0213 regulator-always-on;
0214 };
0215
0216 dcdc2: regulator-dcdc2 {
0217 regulator-name = "vdd_mpu";
0218 regulator-min-microvolt = <912000>;
0219 regulator-max-microvolt = <1378000>;
0220 regulator-boot-on;
0221 regulator-always-on;
0222 };
0223
0224 dcdc3: regulator-dcdc3 {
0225 regulator-name = "vdcdc3";
0226 regulator-suspend-enable;
0227 regulator-min-microvolt = <1500000>;
0228 regulator-max-microvolt = <1500000>;
0229 regulator-boot-on;
0230 regulator-always-on;
0231 };
0232
0233 dcdc5: regulator-dcdc5 {
0234 regulator-name = "v1_0bat";
0235 regulator-min-microvolt = <1000000>;
0236 regulator-max-microvolt = <1000000>;
0237 regulator-boot-on;
0238 regulator-always-on;
0239 };
0240
0241 dcdc6: regulator-dcdc6 {
0242 regulator-name = "v1_8bat";
0243 regulator-min-microvolt = <1800000>;
0244 regulator-max-microvolt = <1800000>;
0245 regulator-boot-on;
0246 regulator-always-on;
0247 };
0248
0249 ldo1: regulator-ldo1 {
0250 regulator-min-microvolt = <1800000>;
0251 regulator-max-microvolt = <1800000>;
0252 regulator-boot-on;
0253 regulator-always-on;
0254 };
0255 };
0256
0257 eeprom_module: at24@50 {
0258 compatible = "atmel,24c02";
0259 reg = <0x50>;
0260 pagesize = <16>;
0261 };
0262 };
0263
0264 &gpio0 {
0265 status = "okay";
0266 };
0267
0268 &gpio1 {
0269 status = "okay";
0270 };
0271
0272 &gpio2 {
0273 status = "okay";
0274 };
0275
0276 &gpio3 {
0277 status = "okay";
0278 };
0279
0280 &gpio4 {
0281 status = "okay";
0282 };
0283
0284 &gpio5 {
0285 status = "okay";
0286 };
0287
0288 &mmc2 {
0289 status = "okay";
0290 pinctrl-names = "default";
0291 pinctrl-0 = <&emmc_pins>;
0292 vmmc-supply = <&vmmc_3v3>;
0293 bus-width = <8>;
0294 non-removable;
0295 };
0296
0297 &spi0 {
0298 status = "okay";
0299 pinctrl-names = "default";
0300 pinctrl-0 = <&spi0_pins>;
0301 dmas = <&edma 16 0
0302 &edma 17 0>;
0303 dma-names = "tx0", "rx0";
0304
0305 flash: flash@0 {
0306 #address-cells = <1>;
0307 #size-cells = <1>;
0308 compatible = "jedec,spi-nor";
0309 reg = <0>;
0310 spi-max-frequency = <20000000>;
0311 partition@0 {
0312 label = "uboot";
0313 reg = <0x0 0xc0000>;
0314 };
0315
0316 partition@c0000 {
0317 label = "uboot environment";
0318 reg = <0xc0000 0x40000>;
0319 };
0320
0321 partition@100000 {
0322 label = "reserved";
0323 reg = <0x100000 0x100000>;
0324 };
0325 };
0326 };
0327
0328 &mac_sw {
0329 pinctrl-names = "default";
0330 pinctrl-0 = <&cpsw_default>;
0331 status = "okay";
0332 };
0333
0334 &davinci_mdio_sw {
0335 pinctrl-names = "default";
0336 pinctrl-0 = <&davinci_mdio_default>;
0337
0338 ethphy0: ethernet-phy@0 {
0339 reg = <0>;
0340 };
0341
0342 ethphy1: ethernet-phy@1 {
0343 reg = <1>;
0344 };
0345 };
0346
0347 &cpsw_port1 {
0348 phy-handle = <ðphy0>;
0349 phy-mode = "rgmii-txid";
0350 ti,dual-emac-pvid = <1>;
0351 };
0352
0353 &cpsw_port2 {
0354 phy-handle = <ðphy1>;
0355 phy-mode = "rgmii-txid";
0356 ti,dual-emac-pvid = <2>;
0357 };
0358
0359 &dwc3_1 {
0360 status = "okay";
0361 };
0362
0363 &usb2_phy1 {
0364 status = "okay";
0365 };
0366
0367 &usb1 {
0368 dr_mode = "host";
0369 status = "okay";
0370 };
0371
0372 &dwc3_2 {
0373 status = "okay";
0374 };
0375
0376 &usb2_phy2 {
0377 status = "okay";
0378 };
0379
0380 &usb2 {
0381 dr_mode = "host";
0382 status = "okay";
0383 interrupts = <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>,
0384 <GIC_SPI 174 IRQ_TYPE_LEVEL_HIGH>,
0385 <GIC_SPI 178 IRQ_TYPE_LEVEL_HIGH>;
0386 interrupt-names = "peripheral", "host", "otg";
0387 };
0388
0389 &elm {
0390 status = "okay";
0391 };
0392
0393 &uart0 {
0394 status = "okay";
0395 };
0396
0397 &tscadc {
0398 status = "okay";
0399 tsc {
0400 ti,wires = <4>;
0401 ti,x-plate-resistance = <200>;
0402 ti,coordinate-readouts = <5>;
0403 ti,wire-config = <0x00 0x11 0x22 0x33>;
0404 };
0405
0406 adc {
0407 ti,adc-channels = <4 5 6 7>;
0408 };
0409 };
0410
0411 &cpu {
0412 cpu0-supply = <&dcdc2>;
0413 operating-points = <1000000 1330000>,
0414 <800000 1260000>,
0415 <720000 1200000>,
0416 <600000 1100000>,
0417 <300000 950000>;
0418 };
0419
0420 &pruss1_mdio {
0421 status = "disabled";
0422 };
