0001 // SPDX-License-Identifier: GPL-2.0
0002 /*
0003 * AM625 SK: https://www.ti.com/lit/zip/sprr448
0004 *
0005 * Copyright (C) 2021-2022 Texas Instruments Incorporated - https://www.ti.com/
0006 */
0007
0008 /dts-v1/;
0009
0010 #include <dt-bindings/leds/common.h>
0011 #include <dt-bindings/gpio/gpio.h>
0012 #include <dt-bindings/net/ti-dp83867.h>
0013 #include "k3-am625.dtsi"
0014
0015 / {
0016 compatible = "ti,am625-sk", "ti,am625";
0017 model = "Texas Instruments AM625 SK";
0018
0019 aliases {
0020 serial2 = &main_uart0;
0021 mmc0 = &sdhci0;
0022 mmc1 = &sdhci1;
0023 mmc2 = &sdhci2;
0024 spi0 = &ospi0;
0025 ethernet0 = &cpsw_port1;
0026 ethernet1 = &cpsw_port2;
0027 };
0028
0029 chosen {
0030 stdout-path = "serial2:115200n8";
0031 bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000";
0032 };
0033
0034 memory@80000000 {
0035 device_type = "memory";
0036 /* 2G RAM */
0037 reg = <0x00000000 0x80000000 0x00000000 0x80000000>;
0038
0039 };
0040
0041 reserved-memory {
0042 #address-cells = <2>;
0043 #size-cells = <2>;
0044 ranges;
0045
0046 ramoops@9ca00000 {
0047 compatible = "ramoops";
0048 reg = <0x00 0x9ca00000 0x00 0x00100000>;
0049 record-size = <0x8000>;
0050 console-size = <0x8000>;
0051 ftrace-size = <0x00>;
0052 pmsg-size = <0x8000>;
0053 };
0054
0055 secure_tfa_ddr: tfa@9e780000 {
0056 reg = <0x00 0x9e780000 0x00 0x80000>;
0057 alignment = <0x1000>;
0058 no-map;
0059 };
0060
0061 secure_ddr: optee@9e800000 {
0062 reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */
0063 alignment = <0x1000>;
0064 no-map;
0065 };
0066
0067 wkup_r5fss0_core0_dma_memory_region: r5f-dma-memory@9db00000 {
0068 compatible = "shared-dma-pool";
0069 reg = <0x00 0x9db00000 0x00 0xc00000>;
0070 no-map;
0071 };
0072 };
0073
0074 vmain_pd: regulator-0 {
0075 /* TPS65988 PD CONTROLLER OUTPUT */
0076 compatible = "regulator-fixed";
0077 regulator-name = "vmain_pd";
0078 regulator-min-microvolt = <5000000>;
0079 regulator-max-microvolt = <5000000>;
0080 regulator-always-on;
0081 regulator-boot-on;
0082 };
0083
0084 vcc_5v0: regulator-1 {
0085 /* Output of LM34936 */
0086 compatible = "regulator-fixed";
0087 regulator-name = "vcc_5v0";
0088 regulator-min-microvolt = <5000000>;
0089 regulator-max-microvolt = <5000000>;
0090 vin-supply = <&vmain_pd>;
0091 regulator-always-on;
0092 regulator-boot-on;
0093 };
0094
0095 vcc_3v3_sys: regulator-2 {
0096 /* output of LM61460-Q1 */
0097 compatible = "regulator-fixed";
0098 regulator-name = "vcc_3v3_sys";
0099 regulator-min-microvolt = <3300000>;
0100 regulator-max-microvolt = <3300000>;
0101 vin-supply = <&vmain_pd>;
0102 regulator-always-on;
0103 regulator-boot-on;
0104 };
0105
0106 vdd_mmc1: regulator-3 {
0107 /* TPS22918DBVR */
0108 compatible = "regulator-fixed";
0109 regulator-name = "vdd_mmc1";
0110 regulator-min-microvolt = <3300000>;
0111 regulator-max-microvolt = <3300000>;
0112 regulator-boot-on;
0113 enable-active-high;
0114 vin-supply = <&vcc_3v3_sys>;
0115 gpio = <&exp1 3 GPIO_ACTIVE_HIGH>;
0116 };
0117
0118 vdd_sd_dv: regulator-4 {
0119 /* Output of TLV71033 */
0120 compatible = "regulator-gpio";
0121 regulator-name = "tlv71033";
0122 pinctrl-names = "default";
0123 pinctrl-0 = <&vdd_sd_dv_pins_default>;
0124 regulator-min-microvolt = <1800000>;
0125 regulator-max-microvolt = <3300000>;
0126 regulator-boot-on;
0127 vin-supply = <&vcc_5v0>;
0128 gpios = <&main_gpio0 31 GPIO_ACTIVE_HIGH>;
0129 states = <1800000 0x0>,
0130 <3300000 0x1>;
0131 };
0132
0133 leds {
0134 compatible = "gpio-leds";
0135 pinctrl-names = "default";
0136 pinctrl-0 = <&usr_led_pins_default>;
0137
0138 led-0 {
0139 label = "am62-sk:green:heartbeat";
0140 gpios = <&main_gpio1 49 GPIO_ACTIVE_HIGH>;
0141 linux,default-trigger = "heartbeat";
0142 function = LED_FUNCTION_HEARTBEAT;
0143 default-state = "off";
0144 };
0145 };
0146 };
0147
0148 &main_pmx0 {
0149 main_uart0_pins_default: main-uart0-pins-default {
0150 pinctrl-single,pins = <
0151 AM62X_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14) UART0_RXD */
0152 AM62X_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14) UART0_TXD */
0153 >;
0154 };
0155
0156 main_i2c0_pins_default: main-i2c0-pins-default {
0157 pinctrl-single,pins = <
0158 AM62X_IOPAD(0x1e0, PIN_INPUT_PULLUP, 0) /* (B16) I2C0_SCL */
0159 AM62X_IOPAD(0x1e4, PIN_INPUT_PULLUP, 0) /* (A16) I2C0_SDA */
0160 >;
0161 };
0162
0163 main_i2c1_pins_default: main-i2c1-pins-default {
0164 pinctrl-single,pins = <
0165 AM62X_IOPAD(0x1e8, PIN_INPUT_PULLUP, 0) /* (B17) I2C1_SCL */
0166 AM62X_IOPAD(0x1ec, PIN_INPUT_PULLUP, 0) /* (A17) I2C1_SDA */
0167 >;
0168 };
0169
0170 main_i2c2_pins_default: main-i2c2-pins-default {
0171 pinctrl-single,pins = <
0172 AM62X_IOPAD(0x0b0, PIN_INPUT_PULLUP, 1) /* (K22) GPMC0_CSn2.I2C2_SCL */
0173 AM62X_IOPAD(0x0b4, PIN_INPUT_PULLUP, 1) /* (K24) GPMC0_CSn3.I2C2_SDA */
0174 >;
0175 };
0176
0177 main_mmc0_pins_default: main-mmc0-pins-default {
0178 pinctrl-single,pins = <
0179 AM62X_IOPAD(0x220, PIN_INPUT, 0) /* (Y3) MMC0_CMD */
0180 AM62X_IOPAD(0x218, PIN_INPUT, 0) /* (AB1) MMC0_CLK */
0181 AM62X_IOPAD(0x214, PIN_INPUT, 0) /* (AA2) MMC0_DAT0 */
0182 AM62X_IOPAD(0x210, PIN_INPUT, 0) /* (AA1) MMC0_DAT1 */
0183 AM62X_IOPAD(0x20c, PIN_INPUT, 0) /* (AA3) MMC0_DAT2 */
0184 AM62X_IOPAD(0x208, PIN_INPUT, 0) /* (Y4) MMC0_DAT3 */
0185 AM62X_IOPAD(0x204, PIN_INPUT, 0) /* (AB2) MMC0_DAT4 */
0186 AM62X_IOPAD(0x200, PIN_INPUT, 0) /* (AC1) MMC0_DAT5 */
0187 AM62X_IOPAD(0x1fc, PIN_INPUT, 0) /* (AD2) MMC0_DAT6 */
0188 AM62X_IOPAD(0x1f8, PIN_INPUT, 0) /* (AC2) MMC0_DAT7 */
0189 >;
0190 };
0191
0192 main_mmc1_pins_default: main-mmc1-pins-default {
0193 pinctrl-single,pins = <
0194 AM62X_IOPAD(0x23c, PIN_INPUT, 0) /* (A21) MMC1_CMD */
0195 AM62X_IOPAD(0x234, PIN_INPUT, 0) /* (B22) MMC1_CLK */
0196 AM62X_IOPAD(0x230, PIN_INPUT, 0) /* (A22) MMC1_DAT0 */
0197 AM62X_IOPAD(0x22c, PIN_INPUT, 0) /* (B21) MMC1_DAT1 */
0198 AM62X_IOPAD(0x228, PIN_INPUT, 0) /* (C21) MMC1_DAT2 */
0199 AM62X_IOPAD(0x224, PIN_INPUT, 0) /* (D22) MMC1_DAT3 */
0200 AM62X_IOPAD(0x240, PIN_INPUT, 0) /* (D17) MMC1_SDCD */
0201 >;
0202 };
0203
0204 usr_led_pins_default: usr-led-pins-default {
0205 pinctrl-single,pins = <
0206 AM62X_IOPAD(0x244, PIN_OUTPUT, 7) /* (C17) MMC1_SDWP.GPIO1_49 */
0207 >;
0208 };
0209
0210 main_mdio1_pins_default: main-mdio1-pins-default {
0211 pinctrl-single,pins = <
0212 AM62X_IOPAD(0x160, PIN_OUTPUT, 0) /* (AD24) MDIO0_MDC */
0213 AM62X_IOPAD(0x15c, PIN_INPUT, 0) /* (AB22) MDIO0_MDIO */
0214 >;
0215 };
0216
0217 main_rgmii1_pins_default: main-rgmii1-pins-default {
0218 pinctrl-single,pins = <
0219 AM62X_IOPAD(0x14c, PIN_INPUT, 0) /* (AB17) RGMII1_RD0 */
0220 AM62X_IOPAD(0x150, PIN_INPUT, 0) /* (AC17) RGMII1_RD1 */
0221 AM62X_IOPAD(0x154, PIN_INPUT, 0) /* (AB16) RGMII1_RD2 */
0222 AM62X_IOPAD(0x158, PIN_INPUT, 0) /* (AA15) RGMII1_RD3 */
0223 AM62X_IOPAD(0x148, PIN_INPUT, 0) /* (AD17) RGMII1_RXC */
0224 AM62X_IOPAD(0x144, PIN_INPUT, 0) /* (AE17) RGMII1_RX_CTL */
0225 AM62X_IOPAD(0x134, PIN_OUTPUT, 0) /* (AE20) RGMII1_TD0 */
0226 AM62X_IOPAD(0x138, PIN_OUTPUT, 0) /* (AD20) RGMII1_TD1 */
0227 AM62X_IOPAD(0x13c, PIN_OUTPUT, 0) /* (AE18) RGMII1_TD2 */
0228 AM62X_IOPAD(0x140, PIN_OUTPUT, 0) /* (AD18) RGMII1_TD3 */
0229 AM62X_IOPAD(0x130, PIN_OUTPUT, 0) /* (AE19) RGMII1_TXC */
0230 AM62X_IOPAD(0x12c, PIN_OUTPUT, 0) /* (AD19) RGMII1_TX_CTL */
0231 >;
0232 };
0233
0234 main_rgmii2_pins_default: main-rgmii2-pins-default {
0235 pinctrl-single,pins = <
0236 AM62X_IOPAD(0x184, PIN_INPUT, 0) /* (AE23) RGMII2_RD0 */
0237 AM62X_IOPAD(0x188, PIN_INPUT, 0) /* (AB20) RGMII2_RD1 */
0238 AM62X_IOPAD(0x18c, PIN_INPUT, 0) /* (AC21) RGMII2_RD2 */
0239 AM62X_IOPAD(0x190, PIN_INPUT, 0) /* (AE22) RGMII2_RD3 */
0240 AM62X_IOPAD(0x180, PIN_INPUT, 0) /* (AD23) RGMII2_RXC */
0241 AM62X_IOPAD(0x17c, PIN_INPUT, 0) /* (AD22) RGMII2_RX_CTL */
0242 AM62X_IOPAD(0x16c, PIN_OUTPUT, 0) /* (Y18) RGMII2_TD0 */
0243 AM62X_IOPAD(0x170, PIN_OUTPUT, 0) /* (AA18) RGMII2_TD1 */
0244 AM62X_IOPAD(0x174, PIN_OUTPUT, 0) /* (AD21) RGMII2_TD2 */
0245 AM62X_IOPAD(0x178, PIN_OUTPUT, 0) /* (AC20) RGMII2_TD3 */
0246 AM62X_IOPAD(0x168, PIN_OUTPUT, 0) /* (AE21) RGMII2_TXC */
0247 AM62X_IOPAD(0x164, PIN_OUTPUT, 0) /* (AA19) RGMII2_TX_CTL */
0248 >;
0249 };
0250
0251 ospi0_pins_default: ospi0-pins-default {
0252 pinctrl-single,pins = <
0253 AM62X_IOPAD(0x000, PIN_OUTPUT, 0) /* (H24) OSPI0_CLK */
0254 AM62X_IOPAD(0x02c, PIN_OUTPUT, 0) /* (F23) OSPI0_CSn0 */
0255 AM62X_IOPAD(0x00c, PIN_INPUT, 0) /* (E25) OSPI0_D0 */
0256 AM62X_IOPAD(0x010, PIN_INPUT, 0) /* (G24) OSPI0_D1 */
0257 AM62X_IOPAD(0x014, PIN_INPUT, 0) /* (F25) OSPI0_D2 */
0258 AM62X_IOPAD(0x018, PIN_INPUT, 0) /* (F24) OSPI0_D3 */
0259 AM62X_IOPAD(0x01c, PIN_INPUT, 0) /* (J23) OSPI0_D4 */
0260 AM62X_IOPAD(0x020, PIN_INPUT, 0) /* (J25) OSPI0_D5 */
0261 AM62X_IOPAD(0x024, PIN_INPUT, 0) /* (H25) OSPI0_D6 */
0262 AM62X_IOPAD(0x028, PIN_INPUT, 0) /* (J22) OSPI0_D7 */
0263 AM62X_IOPAD(0x008, PIN_INPUT, 0) /* (J24) OSPI0_DQS */
0264 >;
0265 };
0266
0267 vdd_sd_dv_pins_default: vdd-sd-dv-pins-default {
0268 pinctrl-single,pins = <
0269 AM62X_IOPAD(0x07c, PIN_OUTPUT, 7) /* (P25) GPMC0_CLK.GPIO0_31 */
0270 >;
0271 };
0272
0273 main_gpio1_ioexp_intr_pins_default: main-gpio1-ioexp-intr-pins-default {
0274 pinctrl-single,pins = <
0275 AM62X_IOPAD(0x01d4, PIN_INPUT, 7) /* (B15) UART0_RTSn.GPIO1_23 */
0276 >;
0277 };
0278 };
0279
0280 &wkup_uart0 {
0281 /* WKUP UART0 is used by DM firmware */
0282 status = "reserved";
0283 };
0284
0285 &mcu_uart0 {
0286 status = "disabled";
0287 };
0288
0289 &main_uart0 {
0290 pinctrl-names = "default";
0291 pinctrl-0 = <&main_uart0_pins_default>;
0292 };
0293
0294 &main_uart1 {
0295 /* Main UART1 is used by TIFS firmware */
0296 status = "reserved";
0297 };
0298
0299 &main_uart2 {
0300 status = "disabled";
0301 };
0302
0303 &main_uart3 {
0304 status = "disabled";
0305 };
0306
0307 &main_uart4 {
0308 status = "disabled";
0309 };
0310
0311 &main_uart5 {
0312 status = "disabled";
0313 };
0314
0315 &main_uart6 {
0316 status = "disabled";
0317 };
0318
0319 &mcu_i2c0 {
0320 status = "disabled";
0321 };
0322
0323 &wkup_i2c0 {
0324 status = "disabled";
0325 };
0326
0327 &main_i2c0 {
0328 pinctrl-names = "default";
0329 pinctrl-0 = <&main_i2c0_pins_default>;
0330 clock-frequency = <400000>;
0331 };
0332
0333 &main_i2c1 {
0334 pinctrl-names = "default";
0335 pinctrl-0 = <&main_i2c1_pins_default>;
0336 clock-frequency = <400000>;
0337
0338 exp1: gpio@22 {
0339 compatible = "ti,tca6424";
0340 reg = <0x22>;
0341 gpio-controller;
0342 #gpio-cells = <2>;
0343 gpio-line-names = "GPIO_CPSW2_RST", "GPIO_CPSW1_RST",
0344 "PRU_DETECT", "MMC1_SD_EN",
0345 "VPP_LDO_EN", "EXP_PS_3V3_En",
0346 "EXP_PS_5V0_En", "EXP_HAT_DETECT",
0347 "GPIO_AUD_RSTn", "GPIO_eMMC_RSTn",
0348 "UART1_FET_BUF_EN", "WL_LT_EN",
0349 "GPIO_HDMI_RSTn", "CSI_GPIO1",
0350 "CSI_GPIO2", "PRU_3V3_EN",
0351 "HDMI_INTn", "TEST_GPIO2",
0352 "MCASP1_FET_EN", "MCASP1_BUF_BT_EN",
0353 "MCASP1_FET_SEL", "UART1_FET_SEL",
0354 "TSINT#", "IO_EXP_TEST_LED";
0355
0356 interrupt-parent = <&main_gpio1>;
0357 interrupts = <23 IRQ_TYPE_EDGE_FALLING>;
0358 interrupt-controller;
0359 #interrupt-cells = <2>;
0360
0361 pinctrl-names = "default";
0362 pinctrl-0 = <&main_gpio1_ioexp_intr_pins_default>;
0363 };
0364 };
0365
0366 &main_i2c2 {
0367 status = "disabled";
0368 };
0369
0370 &main_i2c3 {
0371 status = "disabled";
0372 };
0373
0374 &sdhci0 {
0375 pinctrl-names = "default";
0376 pinctrl-0 = <&main_mmc0_pins_default>;
0377 ti,driver-strength-ohm = <50>;
0378 disable-wp;
0379 };
0380
0381 &sdhci1 {
0382 /* SD/MMC */
0383 vmmc-supply = <&vdd_mmc1>;
0384 vqmmc-supply = <&vdd_sd_dv>;
0385 pinctrl-names = "default";
0386 pinctrl-0 = <&main_mmc1_pins_default>;
0387 ti,driver-strength-ohm = <50>;
0388 disable-wp;
0389 };
0390
0391 &cpsw3g {
0392 pinctrl-names = "default";
0393 pinctrl-0 = <&main_mdio1_pins_default
0394 &main_rgmii1_pins_default
0395 &main_rgmii2_pins_default>;
0396 };
0397
0398 &cpsw_port1 {
0399 phy-mode = "rgmii-rxid";
0400 phy-handle = <&cpsw3g_phy0>;
0401 };
0402
0403 &cpsw_port2 {
0404 phy-mode = "rgmii-rxid";
0405 phy-handle = <&cpsw3g_phy1>;
0406 };
0407
0408 &cpsw3g_mdio {
0409 cpsw3g_phy0: ethernet-phy@0 {
0410 reg = <0>;
0411 ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
0412 ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
0413 ti,min-output-impedance;
0414 };
0415
0416 cpsw3g_phy1: ethernet-phy@1 {
0417 reg = <1>;
0418 ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>;
0419 ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>;
0420 ti,min-output-impedance;
0421 };
0422 };
0423
0424 &mailbox0_cluster0 {
0425 mbox_m4_0: mbox-m4-0 {
0426 ti,mbox-rx = <0 0 0>;
0427 ti,mbox-tx = <1 0 0>;
0428 };
0429 };
0430
0431 &ospi0 {
0432 pinctrl-names = "default";
0433 pinctrl-0 = <&ospi0_pins_default>;
0434
0435 flash@0{
0436 compatible = "jedec,spi-nor";
0437 reg = <0x0>;
0438 spi-tx-bus-width = <8>;
0439 spi-rx-bus-width = <8>;
0440 spi-max-frequency = <25000000>;
0441 cdns,tshsl-ns = <60>;
0442 cdns,tsd2d-ns = <60>;
0443 cdns,tchsh-ns = <60>;
0444 cdns,tslch-ns = <60>;
0445 cdns,read-delay = <4>;
0446
0447 partitions {
0448 compatible = "fixed-partitions";
0449 #address-cells = <1>;
0450 #size-cells = <1>;
0451
0452 partition@0 {
0453 label = "ospi.tiboot3";
0454 reg = <0x0 0x80000>;
0455 };
0456
0457 partition@80000 {
0458 label = "ospi.tispl";
0459 reg = <0x80000 0x200000>;
0460 };
0461
0462 partition@280000 {
0463 label = "ospi.u-boot";
0464 reg = <0x280000 0x400000>;
0465 };
0466
0467 partition@680000 {
0468 label = "ospi.env";
0469 reg = <0x680000 0x40000>;
0470 };
0471
0472 partition@6c0000 {
0473 label = "ospi.env.backup";
0474 reg = <0x6c0000 0x40000>;
0475 };
0476
0477 partition@800000 {
0478 label = "ospi.rootfs";
0479 reg = <0x800000 0x37c0000>;
0480 };
0481
0482 partition@3fc0000 {
0483 label = "ospi.phypattern";
0484 reg = <0x3fc0000 0x40000>;
0485 };
0486 };
0487 };
0488 };
0489
0490 &ecap0 {
0491 status = "disabled";
0492 };
0493
0494 &ecap1 {
0495 status = "disabled";
0496 };
0497
0498 &ecap2 {
0499 status = "disabled";
0500 };
0501
0502 &main_mcan0 {
0503 status = "disabled";
0504 };
