| // SPDX-License-Identifier: GPL-2.0 |
| /* |
| * Copyright (C) 2020-2021 Texas Instruments Incorporated - https://www.ti.com/ |
| */ |
| |
| /dts-v1/; |
| |
| #include <dt-bindings/leds/common.h> |
| #include <dt-bindings/gpio/gpio.h> |
| #include <dt-bindings/net/ti-dp83867.h> |
| #include "k3-am642.dtsi" |
| |
| / { |
| compatible = "ti,am642-evm", "ti,am642"; |
| model = "Texas Instruments AM642 EVM"; |
| |
| chosen { |
| stdout-path = "serial2:115200n8"; |
| bootargs = "console=ttyS2,115200n8 earlycon=ns16550a,mmio32,0x02800000"; |
| }; |
| |
| memory@80000000 { |
| device_type = "memory"; |
| /* 2G RAM */ |
| reg = <0x00000000 0x80000000 0x00000000 0x80000000>; |
| |
| }; |
| |
| reserved-memory { |
| #address-cells = <2>; |
| #size-cells = <2>; |
| ranges; |
| |
| secure_ddr: optee@9e800000 { |
| reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */ |
| alignment = <0x1000>; |
| no-map; |
| }; |
| }; |
| |
| evm_12v0: fixedregulator-evm12v0 { |
| /* main DC jack */ |
| compatible = "regulator-fixed"; |
| regulator-name = "evm_12v0"; |
| regulator-min-microvolt = <12000000>; |
| regulator-max-microvolt = <12000000>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| vsys_5v0: fixedregulator-vsys5v0 { |
| /* output of LM5140 */ |
| compatible = "regulator-fixed"; |
| regulator-name = "vsys_5v0"; |
| regulator-min-microvolt = <5000000>; |
| regulator-max-microvolt = <5000000>; |
| vin-supply = <&evm_12v0>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| vsys_3v3: fixedregulator-vsys3v3 { |
| /* output of LM5140 */ |
| compatible = "regulator-fixed"; |
| regulator-name = "vsys_3v3"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| vin-supply = <&evm_12v0>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| vdd_mmc1: fixed-regulator-sd { |
| /* TPS2051BD */ |
| compatible = "regulator-fixed"; |
| regulator-name = "vdd_mmc1"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| regulator-boot-on; |
| enable-active-high; |
| vin-supply = <&vsys_3v3>; |
| gpio = <&exp1 6 GPIO_ACTIVE_HIGH>; |
| }; |
| |
| vddb: fixedregulator-vddb { |
| compatible = "regulator-fixed"; |
| regulator-name = "vddb_3v3_display"; |
| regulator-min-microvolt = <3300000>; |
| regulator-max-microvolt = <3300000>; |
| vin-supply = <&vsys_3v3>; |
| regulator-always-on; |
| regulator-boot-on; |
| }; |
| |
| leds { |
| compatible = "gpio-leds"; |
| |
| led-0 { |
| label = "am64-evm:red:heartbeat"; |
| gpios = <&exp1 16 GPIO_ACTIVE_HIGH>; |
| linux,default-trigger = "heartbeat"; |
| function = LED_FUNCTION_HEARTBEAT; |
| default-state = "off"; |
| }; |
| }; |
| |
| mdio_mux: mux-controller { |
| compatible = "gpio-mux"; |
| #mux-control-cells = <0>; |
| |
| mux-gpios = <&exp1 12 GPIO_ACTIVE_HIGH>; |
| }; |
| |
| mdio-mux-1 { |
| compatible = "mdio-mux-multiplexer"; |
| mux-controls = <&mdio_mux>; |
| mdio-parent-bus = <&cpsw3g_mdio>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| mdio@1 { |
| reg = <0x1>; |
| #address-cells = <1>; |
| #size-cells = <0>; |
| |
| cpsw3g_phy3: ethernet-phy@3 { |
| reg = <3>; |
| }; |
| }; |
| }; |
| }; |
| |
| &main_pmx0 { |
| main_mmc1_pins_default: main-mmc1-pins-default { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x0294, PIN_INPUT_PULLUP, 0) /* (J19) MMC1_CMD */ |
| AM64X_IOPAD(0x028c, PIN_INPUT_PULLDOWN, 0) /* (L20) MMC1_CLK */ |
| AM64X_IOPAD(0x0288, PIN_INPUT_PULLUP, 0) /* (K21) MMC1_DAT0 */ |
| AM64X_IOPAD(0x0284, PIN_INPUT_PULLUP, 0) /* (L21) MMC1_DAT1 */ |
| AM64X_IOPAD(0x0280, PIN_INPUT_PULLUP, 0) /* (K19) MMC1_DAT2 */ |
| AM64X_IOPAD(0x027c, PIN_INPUT_PULLUP, 0) /* (K18) MMC1_DAT3 */ |
| AM64X_IOPAD(0x0298, PIN_INPUT_PULLUP, 0) /* (D19) MMC1_SDCD */ |
| AM64X_IOPAD(0x029c, PIN_INPUT, 0) /* (C20) MMC1_SDWP */ |
| AM64X_IOPAD(0x0290, PIN_INPUT, 0) /* MMC1_CLKLB */ |
| >; |
| }; |
| |
| main_uart0_pins_default: main-uart0-pins-default { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x0238, PIN_INPUT, 0) /* (B16) UART0_CTSn */ |
| AM64X_IOPAD(0x023c, PIN_OUTPUT, 0) /* (A16) UART0_RTSn */ |
| AM64X_IOPAD(0x0230, PIN_INPUT, 0) /* (D15) UART0_RXD */ |
| AM64X_IOPAD(0x0234, PIN_OUTPUT, 0) /* (C16) UART0_TXD */ |
| >; |
| }; |
| |
| main_i2c1_pins_default: main-i2c1-pins-default { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x0268, PIN_INPUT_PULLUP, 0) /* (C18) I2C1_SCL */ |
| AM64X_IOPAD(0x026c, PIN_INPUT_PULLUP, 0) /* (B19) I2C1_SDA */ |
| >; |
| }; |
| |
| mdio1_pins_default: mdio1-pins-default { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x01fc, PIN_OUTPUT, 4) /* (R2) PRG0_PRU1_GPO19.MDIO0_MDC */ |
| AM64X_IOPAD(0x01f8, PIN_INPUT, 4) /* (P5) PRG0_PRU1_GPO18.MDIO0_MDIO */ |
| >; |
| }; |
| |
| rgmii1_pins_default: rgmii1-pins-default { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x01cc, PIN_INPUT, 4) /* (W5) PRG0_PRU1_GPO7.RGMII1_RD0 */ |
| AM64X_IOPAD(0x01d4, PIN_INPUT, 4) /* (Y5) PRG0_PRU1_GPO9.RGMII1_RD1 */ |
| AM64X_IOPAD(0x01d8, PIN_INPUT, 4) /* (V6) PRG0_PRU1_GPO10.RGMII1_RD2 */ |
| AM64X_IOPAD(0x01f4, PIN_INPUT, 4) /* (V5) PRG0_PRU1_GPO17.RGMII1_RD3 */ |
| AM64X_IOPAD(0x0188, PIN_INPUT, 4) /* (AA5) PRG0_PRU0_GPO10.RGMII1_RXC */ |
| AM64X_IOPAD(0x0184, PIN_INPUT, 4) /* (W6) PRG0_PRU0_GPO9.RGMII1_RX_CTL */ |
| AM64X_IOPAD(0x0124, PIN_OUTPUT, 4) /* (V15) PRG1_PRU1_GPO7.RGMII1_TD0 */ |
| AM64X_IOPAD(0x012c, PIN_OUTPUT, 4) /* (V14) PRG1_PRU1_GPO9.RGMII1_TD1 */ |
| AM64X_IOPAD(0x0130, PIN_OUTPUT, 4) /* (W14) PRG1_PRU1_GPO10.RGMII1_TD2 */ |
| AM64X_IOPAD(0x014c, PIN_OUTPUT, 4) /* (AA14) PRG1_PRU1_GPO17.RGMII1_TD3 */ |
| AM64X_IOPAD(0x00e0, PIN_OUTPUT, 4) /* (U14) PRG1_PRU0_GPO10.RGMII1_TXC */ |
| AM64X_IOPAD(0x00dc, PIN_OUTPUT, 4) /* (U15) PRG1_PRU0_GPO9.RGMII1_TX_CTL */ |
| >; |
| }; |
| |
| rgmii2_pins_default: rgmii2-pins-default { |
| pinctrl-single,pins = < |
| AM64X_IOPAD(0x0108, PIN_INPUT, 4) /* (W11) PRG1_PRU1_GPO0.RGMII2_RD0 */ |
| AM64X_IOPAD(0x010c, PIN_INPUT, 4) /* (V11) PRG1_PRU1_GPO1.RGMII2_RD1 */ |
| AM64X_IOPAD(0x0110, PIN_INPUT, 4) /* (AA12) PRG1_PRU1_GPO2.RGMII2_RD2 */ |
| AM64X_IOPAD(0x0114, PIN_INPUT, 4) /* (Y12) PRG1_PRU1_GPO3.RGMII2_RD3 */ |
| AM64X_IOPAD(0x0120, PIN_INPUT, 4) /* (U11) PRG1_PRU1_GPO6.RGMII2_RXC */ |
| AM64X_IOPAD(0x0118, PIN_INPUT, 4) /* (W12) PRG1_PRU1_GPO4.RGMII2_RX_CTL */ |
| AM64X_IOPAD(0x0134, PIN_OUTPUT, 4) /* (AA10) PRG1_PRU1_GPO11.RGMII2_TD0 */ |
| AM64X_IOPAD(0x0138, PIN_OUTPUT, 4) /* (V10) PRG1_PRU1_GPO12.RGMII2_TD1 */ |
| AM64X_IOPAD(0x013c, PIN_OUTPUT, 4) /* (U10) PRG1_PRU1_GPO13.RGMII2_TD2 */ |
| AM64X_IOPAD(0x0140, PIN_OUTPUT, 4) /* (AA11) PRG1_PRU1_GPO14.RGMII2_TD3 */ |
| AM64X_IOPAD(0x0148, PIN_OUTPUT, 4) /* (Y10) PRG1_PRU1_GPO16.RGMII2_TXC */ |
| AM64X_IOPAD(0x0144, PIN_OUTPUT, 4) /* (Y11) PRG1_PRU1_GPO15.RGMII2_TX_CTL */ |
| >; |
| }; |
| }; |
| |
| &main_uart0 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&main_uart0_pins_default>; |
| }; |
| |
| /* main_uart1 is reserved for firmware usage */ |
| &main_uart1 { |
| status = "reserved"; |
| }; |
| |
| &main_uart2 { |
| status = "disabled"; |
| }; |
| |
| &main_uart3 { |
| status = "disabled"; |
| }; |
| |
| &main_uart4 { |
| status = "disabled"; |
| }; |
| |
| &main_uart5 { |
| status = "disabled"; |
| }; |
| |
| &main_uart6 { |
| status = "disabled"; |
| }; |
| |
| &mcu_uart0 { |
| status = "disabled"; |
| }; |
| |
| &mcu_uart1 { |
| status = "disabled"; |
| }; |
| |
| &main_i2c1 { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&main_i2c1_pins_default>; |
| clock-frequency = <400000>; |
| |
| exp1: gpio@22 { |
| compatible = "ti,tca6424"; |
| reg = <0x22>; |
| gpio-controller; |
| #gpio-cells = <2>; |
| gpio-line-names = "GPIO_eMMC_RSTn", "CAN_MUX_SEL", |
| "GPIO_CPSW1_RST", "GPIO_RGMII1_RST", |
| "GPIO_RGMII2_RST", "GPIO_PCIe_RST_OUT", |
| "MMC1_SD_EN", "FSI_FET_SEL", |
| "MCAN0_STB_3V3", "MCAN1_STB_3V3", |
| "CPSW_FET_SEL", "CPSW_FET2_SEL", |
| "PRG1_RGMII2_FET_SEL", "TEST_GPIO2", |
| "GPIO_OLED_RESETn", "VPP_LDO_EN", |
| "TEST_LED1", "TP92", "TP90", "TP88", |
| "TP87", "TP86", "TP89", "TP91"; |
| }; |
| |
| /* osd9616p0899-10 */ |
| display@3c { |
| compatible = "solomon,ssd1306fb-i2c"; |
| reg = <0x3c>; |
| reset-gpios = <&exp1 14 GPIO_ACTIVE_LOW>; |
| vbat-supply = <&vddb>; |
| solomon,height = <16>; |
| solomon,width = <96>; |
| solomon,com-seq; |
| solomon,com-invdir; |
| solomon,page-offset = <0>; |
| solomon,prechargep1 = <2>; |
| solomon,prechargep2 = <13>; |
| }; |
| }; |
| |
| &mcu_i2c0 { |
| status = "disabled"; |
| }; |
| |
| &mcu_i2c1 { |
| status = "disabled"; |
| }; |
| |
| &mcu_spi0 { |
| status = "disabled"; |
| }; |
| |
| &mcu_spi1 { |
| status = "disabled"; |
| }; |
| |
| &cpsw3g { |
| pinctrl-names = "default"; |
| pinctrl-0 = <&mdio1_pins_default |
| &rgmii1_pins_default |
| &rgmii2_pins_default>; |
| }; |
| |
| &cpsw_port1 { |
| phy-mode = "rgmii-rxid"; |
| phy-handle = <&cpsw3g_phy0>; |
| }; |
| |
| &cpsw_port2 { |
| phy-mode = "rgmii-rxid"; |
| phy-handle = <&cpsw3g_phy3>; |
| }; |
| |
| &cpsw3g_mdio { |
| cpsw3g_phy0: ethernet-phy@0 { |
| reg = <0>; |
| ti,rx-internal-delay = <DP83867_RGMIIDCTL_2_00_NS>; |
| ti,fifo-depth = <DP83867_PHYCR_FIFO_DEPTH_4_B_NIB>; |
| }; |
| }; |
| |
| &sdhci0 { |
| /* emmc */ |
| bus-width = <8>; |
| non-removable; |
| ti,driver-strength-ohm = <50>; |
| disable-wp; |
| }; |
| |
| &sdhci1 { |
| /* SD/MMC */ |
| vmmc-supply = <&vdd_mmc1>; |
| pinctrl-names = "default"; |
| bus-width = <4>; |
| pinctrl-0 = <&main_mmc1_pins_default>; |
| ti,driver-strength-ohm = <50>; |
| disable-wp; |
| }; |