// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2023 Josua Mayer * */ #include / { model = "SolidRun AM642 SoM"; compatible = "solidrun,am642-sr-som", "ti,am642"; aliases { ethernet0 = &cpsw_port1; ethernet1 = &icssg1_emac0; ethernet2 = &icssg1_emac1; mmc0 = &sdhci0; mmc1 = &sdhci1; serial2 = &main_uart0; }; chosen { /* SoC default UART console */ stdout-path = "serial2:115200n8"; }; /* PRU Ethernet Controller */ ethernet { compatible = "ti,am642-icssg-prueth"; pinctrl-names = "default"; pinctrl-0 = <&pru_rgmii1_default_pins>, <&pru_rgmii2_default_pins>; sram = <&oc_sram>; ti,prus = <&pru1_0>, <&rtu1_0>, <&tx_pru1_0>, <&pru1_1>, <&rtu1_1>, <&tx_pru1_1>; firmware-name = "ti-pruss/am65x-sr2-pru0-prueth-fw.elf", "ti-pruss/am65x-sr2-rtu0-prueth-fw.elf", "ti-pruss/am65x-sr2-txpru0-prueth-fw.elf", "ti-pruss/am65x-sr2-pru1-prueth-fw.elf", "ti-pruss/am65x-sr2-rtu1-prueth-fw.elf", "ti-pruss/am65x-sr2-txpru1-prueth-fw.elf"; /* configure internal pinmux for mii mode */ ti,pruss-gp-mux-sel = <2>, <2>, <2>, <2>, <2>, <2>; ti,mii-g-rt = <&icssg1_mii_g_rt>; ti,mii-rt = <&icssg1_mii_rt>; ti,iep = <&icssg1_iep0>, <&icssg1_iep1>; /* * Configure icssg interrupt controller to map pru-internal * interrupts 8/9 via channels 0/1 to host interrupts 0/1. * * For details see interrupt controller documentation: * Documentation/devicetree/bindings/interrupt-controller/ti,pruss-intc.yaml */ interrupt-parent = <&icssg1_intc>; interrupts = <24 0 2>, <25 1 3>; interrupt-names = "tx_ts0", "tx_ts1"; dmas = <&main_pktdma 0xc200 15>, /* egress slice 0 */ <&main_pktdma 0xc201 15>, /* egress slice 0 */ <&main_pktdma 0xc202 15>, /* egress slice 0 */ <&main_pktdma 0xc203 15>, /* egress slice 0 */ <&main_pktdma 0xc204 15>, /* egress slice 1 */ <&main_pktdma 0xc205 15>, /* egress slice 1 */ <&main_pktdma 0xc206 15>, /* egress slice 1 */ <&main_pktdma 0xc207 15>, /* egress slice 1 */ <&main_pktdma 0x4200 15>, /* ingress slice 0 */ <&main_pktdma 0x4201 15>; /* ingress slice 1 */ dma-names = "tx0-0", "tx0-1", "tx0-2", "tx0-3", "tx1-0", "tx1-1", "tx1-2", "tx1-3", "rx0", "rx1"; ethernet-ports { #address-cells = <1>; #size-cells = <0>; icssg1_emac0: port@0 { reg = <0>; ti,syscon-rgmii-delay = <&main_conf 0x4110>; /* Filled in by bootloader */ local-mac-address = [00 00 00 00 00 00]; phy-handle = <ðernet_phy2>; phy-mode = "rgmii-id"; }; icssg1_emac1: port@1 { reg = <1>; ti,syscon-rgmii-delay = <&main_conf 0x4114>; /* Filled in by bootloader */ local-mac-address = [00 00 00 00 00 00]; phy-handle = <ðernet_phy1>; phy-mode = "rgmii-id"; }; }; }; /* DDR16SS0: * - Bank 1 @ 0x080000000-0x0FFFFFFFF: max. 2GB in 32-bit address space * - Bank 2 @ 0x880000000-0x9FFFFFFFF: max. 6GB in 64-bit address space */ memory@80000000 { reg = <0x00000000 0x80000000 0x00000000 0x80000000>, <0x00000008 0x80000000 0x00000001 0x80000000>; device_type = "memory"; }; reserved-memory { #address-cells = <2>; #size-cells = <2>; ranges; secure_ddr: optee@9e800000 { reg = <0x00 0x9e800000 0x00 0x01800000>; /* for OP-TEE */ no-map; }; main_r5fss0_core0_dma_memory_region: r5f-dma-memory@a0000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa0000000 0x00 0x100000>; no-map; }; main_r5fss0_core0_memory_region: r5f-memory@a0100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa0100000 0x00 0xf00000>; no-map; }; main_r5fss0_core1_dma_memory_region: r5f-dma-memory@a1000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa1000000 0x00 0x100000>; no-map; }; main_r5fss0_core1_memory_region: r5f-memory@a1100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa1100000 0x00 0xf00000>; no-map; }; main_r5fss1_core0_dma_memory_region: r5f-dma-memory@a2000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa2000000 0x00 0x100000>; no-map; }; main_r5fss1_core0_memory_region: r5f-memory@a2100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa2100000 0x00 0xf00000>; no-map; }; main_r5fss1_core1_dma_memory_region: r5f-dma-memory@a3000000 { compatible = "shared-dma-pool"; reg = <0x00 0xa3000000 0x00 0x100000>; no-map; }; main_r5fss1_core1_memory_region: r5f-memory@a3100000 { compatible = "shared-dma-pool"; reg = <0x00 0xa3100000 0x00 0xf00000>; no-map; }; }; vdd_mmc0: regulator-vdd-mmc0 { compatible = "regulator-fixed"; regulator-name = "vdd-mmc0"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; regulator-always-on; regulator-boot-on; }; }; &cpsw3g { pinctrl-names = "default"; pinctrl-0 = <&rgmii1_default_pins>; }; &cpsw3g_mdio { pinctrl-names = "default"; pinctrl-0 = <&mdio0_default_pins>; status = "okay"; ethernet_phy0: ethernet-phy@0 { compatible = "ethernet-phy-id2000.a0f1"; reg = <0>; pinctrl-names = "default"; pinctrl-0 = <ðernet_phy0_default_pins>; ti,clk-output-sel = ; ti,op-mode = ; /* * Disable interrupts because ISR never clears 0x0040 * * interrupt-parent = <&main_gpio1>; * interrupts = <70 IRQ_TYPE_LEVEL_LOW>; */ /* * Disable HW Reset because clock signal is daisy-chained * * reset-gpios = <&main_gpio0 84 GPIO_ACTIVE_LOW>; * reset-assert-us = <1>; * reset-deassert-us = <30>; */ }; }; &cpsw_port1 { phy-mode = "rgmii-id"; phy-handle = <ðernet_phy0>; }; &cpsw_port2 { status = "disabled"; }; &icssg1_mdio { pinctrl-names = "default"; pinctrl-0 = <&pru1_mdio0_default_pins>; status = "okay"; ethernet_phy1: ethernet-phy@3 { compatible = "ethernet-phy-id2000.a0f1"; reg = <3>; pinctrl-names = "default"; pinctrl-0 = <ðernet_phy1_default_pins>; ti,clk-output-sel = ; ti,op-mode = ; /* * Disable interrupts because ISR never clears 0x0040 * * interrupt-parent = <&main_gpio1>; * interrupts = <70 IRQ_TYPE_LEVEL_LOW>; */ /* * Disable HW Reset because clock signal is daisy-chained * * reset-gpios = <&main_gpio0 20 GPIO_ACTIVE_LOW>; * reset-assert-us = <1>; * reset-deassert-us = <30>; */ }; ethernet_phy2: ethernet-phy@f { compatible = "ethernet-phy-id2000.a0f1"; reg = <0xf>; pinctrl-names = "default"; pinctrl-0 = <ðernet_phy2_default_pins>; ti,op-mode = ; /* * Disable interrupts because ISR never clears 0x0040 * * interrupt-parent = <&main_gpio1>; * interrupts = <70 IRQ_TYPE_LEVEL_LOW>; */ /* * Disable HW Reset because clock signal is daisy-chained * * reset-gpios = <&main_gpio0 52 GPIO_ACTIVE_LOW>; * reset-assert-us = <1>; * reset-deassert-us = <30>; */ }; }; &mailbox0_cluster2 { status = "okay"; mbox_main_r5fss0_core0: mbox-main-r5fss0-core0 { ti,mbox-rx = <0 0 2>; ti,mbox-tx = <1 0 2>; }; mbox_main_r5fss0_core1: mbox-main-r5fss0-core1 { ti,mbox-rx = <2 0 2>; ti,mbox-tx = <3 0 2>; }; }; &mailbox0_cluster4 { status = "okay"; mbox_main_r5fss1_core0: mbox-main-r5fss1-core0 { ti,mbox-rx = <0 0 2>; ti,mbox-tx = <1 0 2>; }; mbox_main_r5fss1_core1: mbox-main-r5fss1-core1 { ti,mbox-rx = <2 0 2>; ti,mbox-tx = <3 0 2>; }; }; &main_i2c0 { pinctrl-names = "default"; pinctrl-0 = <&main_i2c0_default_pins>; status = "okay"; som_eeprom: eeprom@50 { compatible = "atmel,24c01"; reg = <0x50>; pagesize = <8>; }; }; &main_pmx0 { /* hog global functions */ pinctrl-names = "default"; pinctrl-0 = <ðernet_phy_default_pins>; ethernet_phy_default_pins: ethernet-phy-default-pins { pinctrl-single,pins = < /* interrupt / power-down, external pull-up on SoM */ AM64X_IOPAD(0x0278, PIN_INPUT, 7) /* EXTINTn.GPIO1_70 */ >; }; ethernet_phy0_default_pins: ethernet-phy0-default-pins { pinctrl-single,pins = < /* reset */ AM64X_IOPAD(0x0154, PIN_OUTPUT, 7) /* PRG1_PRU1_GPO19.GPIO0_84 */ /* reference clock */ AM64X_IOPAD(0x0274, PIN_OUTPUT, 5) /* EXT_REFCLK1.CLKOUT0 */ >; }; ethernet_phy1_default_pins: ethernet-phy1-default-pins { pinctrl-single,pins = < /* reset */ AM64X_IOPAD(0x0150, PIN_OUTPUT, 7) /* PRG1_PRU1_GPO18.GPIO0_20 */ /* led0, external pull-down on SoM */ AM64X_IOPAD(0x0128, PIN_INPUT, 7) /* PRG1_PRU1_GPO8.GPIO0_73 */ /* led1/rxer */ AM64X_IOPAD(0x011c, PIN_INPUT, 7) /* PRG1_PRU1_GPO5.GPIO0_70 */ >; }; ethernet_phy2_default_pins: ethernet-phy2-default-pins { pinctrl-single,pins = < /* reset */ AM64X_IOPAD(0x00d4, PIN_OUTPUT, 7) /* PRG1_PRU0_GPO7.GPIO0_52 */ /* led0, external pull-down on SoM */ AM64X_IOPAD(0x00d8, PIN_INPUT, 7) /* PRG1_PRU0_GPO8.GPIO0_53 */ /* led1/rxer */ AM64X_IOPAD(0x00cc, PIN_INPUT, 7) /* PRG1_PRU0_GPO5.GPIO0_50 */ >; }; main_i2c0_default_pins: main-i2c0-default-pins { pinctrl-single,pins = < /* external pull-up on SoM */ AM64X_IOPAD(0x0260, PIN_INPUT, 0) /* I2C0_SCL.I2C0_SCL */ AM64X_IOPAD(0x0264, PIN_INPUT, 0) /* I2C0_SDA.I2C0_SDA */ >; }; /* * main_mmc0_default_pins: main-mmc0-default-pins * * MMC0_CMD: no padconfig * MMC0_CLK: no padconfig, external pull-up on SoM * MMC0_DAT0: no padconfig * MMC0_DAT1: no padconfig * MMC0_DAT2: no padconfig * MMC0_DAT3: no padconfig * MMC0_DAT4: no padconfig * MMC0_DAT5: no padconfig * MMC0_DAT6: no padconfig * MMC0_DAT7: no padconfig * MMC0_DS: no padconfig, external pull-down on SoM */ main_mmc1_default_pins: main-mmc1-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x0294, PIN_INPUT_PULLUP, 0) /* (J19) MMC1_CMD */ AM64X_IOPAD(0x028c, PIN_INPUT, 0) /* MMC1_CLK.MMC1_CLK */ AM64X_IOPAD(0x0288, PIN_INPUT_PULLUP, 0) /* MMC1_DAT0.MMC1_DAT0 */ AM64X_IOPAD(0x0284, PIN_INPUT_PULLUP, 0) /* MMC1_DAT1.MMC1_DAT1 */ AM64X_IOPAD(0x0280, PIN_INPUT_PULLUP, 0) /* MMC1_DAT2.MMC1_DAT2 */ AM64X_IOPAD(0x027c, PIN_INPUT_PULLUP, 0) /* MMC1_DAT3.MMC1_DAT3 */ /* external pull-down on SoM & Carrier */ AM64X_IOPAD(0x0298, PIN_INPUT_PULLUP, 0) /* MMC1_SDCD.MMC1_SDCD */ AM64X_IOPAD(0x0290, PIN_INPUT, 0) /* MMC1_CLKLB: clock loopback */ >; }; main_uart0_default_pins: main-uart0-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x0230, PIN_INPUT, 0) /* UART0_RXD.UART0_RXD */ AM64X_IOPAD(0x0234, PIN_OUTPUT, 0) /* UART0_TXD.UART0_TXD */ >; }; mdio0_default_pins: mdio0-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x01fc, PIN_OUTPUT, 4) /* PRG0_PRU1_GPO19.MDIO0_MDC */ AM64X_IOPAD(0x01f8, PIN_INPUT, 4) /* PRG0_PRU1_GPO18.MDIO0_MDIO */ >; }; ospi0_default_pins: ospi0-default-pins { pinctrl-single,pins = < /* external pull-down on SoM */ AM64X_IOPAD(0x0000, PIN_OUTPUT, 0) /* OSPI0_CLK.OSPI0_CLK */ AM64X_IOPAD(0x0008, PIN_OUTPUT, 0) /* OSPI0_DQS.OSPI0_DQS */ /* external pull-up on SoM */ AM64X_IOPAD(0x002c, PIN_OUTPUT, 0) /* OSPI0_CSn0.OSPI0_CSn0 */ AM64X_IOPAD(0x000c, PIN_INPUT, 0) /* OSPI0_D0.OSPI0_D0 */ AM64X_IOPAD(0x0010, PIN_INPUT, 0) /* OSPI0_D1.OSPI0_D1 */ AM64X_IOPAD(0x0014, PIN_INPUT, 0) /* OSPI0_D2.OSPI0_D2 */ AM64X_IOPAD(0x0018, PIN_INPUT, 0) /* OSPI0_D3.OSPI0_D3 */ AM64X_IOPAD(0x001c, PIN_INPUT, 0) /* OSPI0_D4.OSPI0_D4 */ AM64X_IOPAD(0x0020, PIN_INPUT, 0) /* OSPI0_D5.OSPI0_D5 */ AM64X_IOPAD(0x0024, PIN_INPUT, 0) /* OSPI0_D6.OSPI0_D6 */ AM64X_IOPAD(0x0028, PIN_INPUT, 0) /* OSPI0_D7.OSPI0_D7 */ >; }; ospi0_flash0_default_pins: ospi0-flash0-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x0034, PIN_OUTPUT, 7) /* OSPI0_CSn2.GPIO0_13 */ AM64X_IOPAD(0x0038, PIN_INPUT, 7) /* OSPI0_CSn3.GPIO0_14 */ >; }; pru1_mdio0_default_pins: pru1-mdio0-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x015c, PIN_OUTPUT, 0) /* PRG1_MDIO0_MDC.PRG1_MDIO0_MDC */ AM64X_IOPAD(0x0158, PIN_INPUT, 0) /* PRG1_MDIO0_MDIO.PRG1_MDIO0_MDIO */ >; }; pru_rgmii1_default_pins: pru-rgmii1-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x00b8, PIN_INPUT, 2) /* (Y7) PRG1_PRU0_GPO0.PRG1_RGMII1_RD0 */ AM64X_IOPAD(0x00bc, PIN_INPUT, 2) /* (U8) PRG1_PRU0_GPO1.PRG1_RGMII1_RD1 */ AM64X_IOPAD(0x00c0, PIN_INPUT, 2) /* (W8) PRG1_PRU0_GPO2.PRG1_RGMII1_RD2 */ AM64X_IOPAD(0x00c4, PIN_INPUT, 2) /* (V8) PRG1_PRU0_GPO3.PRG1_RGMII1_RD3 */ AM64X_IOPAD(0x00d0, PIN_INPUT, 2) /* (AA7) PRG1_PRU0_GPO6.PRG1_RGMII1_RXC */ AM64X_IOPAD(0x00c8, PIN_INPUT, 2) /* (Y8) PRG1_PRU0_GPO4.PRG1_RGMII1_RX_CTL */ AM64X_IOPAD(0x00e4, PIN_OUTPUT, 2) /* (AA8) PRG1_PRU0_GPO11.PRG1_RGMII1_TD0 */ AM64X_IOPAD(0x00e8, PIN_OUTPUT, 2) /* (U9) PRG1_PRU0_GPO12.PRG1_RGMII1_TD1 */ AM64X_IOPAD(0x00ec, PIN_OUTPUT, 2) /* (W9) PRG1_PRU0_GPO13.PRG1_RGMII1_TD2 */ AM64X_IOPAD(0x00f0, PIN_OUTPUT, 2) /* (AA9) PRG1_PRU0_GPO14.PRG1_RGMII1_TD3 */ AM64X_IOPAD(0x00f8, PIN_INPUT, 2) /* (V9) PRG1_PRU0_GPO16.PRG1_RGMII1_TXC */ AM64X_IOPAD(0x00f4, PIN_OUTPUT, 2) /* (Y9) PRG1_PRU0_GPO15.PRG1_RGMII1_TX_CTL */ >; }; pru_rgmii2_default_pins: pru-rgmii2-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x0108, PIN_INPUT, 2) /* PRG1_PRU1_GPO0.RGMII2_RD0 */ AM64X_IOPAD(0x010c, PIN_INPUT, 2) /* PRG1_PRU1_GPO1.RGMII2_RD1 */ AM64X_IOPAD(0x0110, PIN_INPUT, 2) /* PRG1_PRU1_GPO2.RGMII2_RD2 */ AM64X_IOPAD(0x0114, PIN_INPUT, 2) /* PRG1_PRU1_GPO3.RGMII2_RD3 */ AM64X_IOPAD(0x0120, PIN_INPUT, 2) /* PRG1_PRU1_GPO6.RGMII2_RXC */ AM64X_IOPAD(0x0118, PIN_INPUT, 2) /* PRG1_PRU1_GPO4.RGMII2_RX_CTL */ AM64X_IOPAD(0x0134, PIN_OUTPUT, 2) /* PRG1_PRU1_GPO11.RGMII2_TD0 */ AM64X_IOPAD(0x0138, PIN_OUTPUT, 2) /* PRG1_PRU1_GPO12.RGMII2_TD1 */ AM64X_IOPAD(0x013c, PIN_OUTPUT, 2) /* PRG1_PRU1_GPO13.RGMII2_TD2 */ AM64X_IOPAD(0x0140, PIN_OUTPUT, 2) /* PRG1_PRU1_GPO14.RGMII2_TD3 */ AM64X_IOPAD(0x0148, PIN_INPUT, 2) /* PRG1_PRU1_GPO16.RGMII2_TXC */ AM64X_IOPAD(0x0144, PIN_OUTPUT, 2) /* PRG1_PRU1_GPO15.RGMII2_TX_CTL */ >; }; rgmii1_default_pins: rgmii1-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x01cc, PIN_INPUT, 4) /* PRG0_PRU1_GPO7.RGMII1_RD0 */ AM64X_IOPAD(0x01d4, PIN_INPUT, 4) /* PRG0_PRU1_GPO9.RGMII1_RD1 */ AM64X_IOPAD(0x01d8, PIN_INPUT, 4) /* PRG0_PRU1_GPO10.RGMII1_RD2 */ AM64X_IOPAD(0x01f4, PIN_INPUT, 4) /* PRG0_PRU1_GPO17.RGMII1_RD3 */ AM64X_IOPAD(0x0188, PIN_INPUT, 4) /* PRG0_PRU0_GPO10.RGMII1_RXC */ AM64X_IOPAD(0x0184, PIN_INPUT, 4) /* PRG0_PRU0_GPO9.RGMII1_RX_CTL */ AM64X_IOPAD(0x0124, PIN_OUTPUT, 4) /* PRG1_PRU1_GPO7.RGMII1_TD0 */ AM64X_IOPAD(0x012c, PIN_OUTPUT, 4) /* PRG1_PRU1_GPO9.RGMII1_TD1 */ AM64X_IOPAD(0x0130, PIN_OUTPUT, 4) /* PRG1_PRU1_GPO10.RGMII1_TD2 */ AM64X_IOPAD(0x014c, PIN_OUTPUT, 4) /* PRG1_PRU1_GPO17.RGMII1_TD3 */ AM64X_IOPAD(0x00e0, PIN_INPUT, 4) /* PRG1_PRU0_GPO10.RGMII1_TXC */ AM64X_IOPAD(0x00dc, PIN_OUTPUT, 4) /* PRG1_PRU0_GPO9.RGMII1_TX_CTL */ >; }; usb0_default_pins: usb0-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x02a8, PIN_OUTPUT, 0) /* USB0_DRVVBUS.USB0_DRVVBUS */ >; }; }; &main_r5fss0_core0 { mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core0>; memory-region = <&main_r5fss0_core0_dma_memory_region>, <&main_r5fss0_core0_memory_region>; }; &main_r5fss0_core1 { mboxes = <&mailbox0_cluster2 &mbox_main_r5fss0_core1>; memory-region = <&main_r5fss0_core1_dma_memory_region>, <&main_r5fss0_core1_memory_region>; }; &main_r5fss1_core0 { mboxes = <&mailbox0_cluster4 &mbox_main_r5fss1_core0>; memory-region = <&main_r5fss1_core0_dma_memory_region>, <&main_r5fss1_core0_memory_region>; }; &main_r5fss1_core1 { mboxes = <&mailbox0_cluster4 &mbox_main_r5fss1_core1>; memory-region = <&main_r5fss1_core1_dma_memory_region>, <&main_r5fss1_core1_memory_region>; }; /* SoC default UART console */ &main_uart0 { pinctrl-names = "default"; pinctrl-0 = <&main_uart0_default_pins>; status = "okay"; }; &ospi0 { pinctrl-names = "default"; pinctrl-0 = <&ospi0_default_pins>; num-cs = <1>; status = "okay"; flash@0 { compatible = "jedec,spi-nor"; reg = <0>; pinctrl-names = "default"; pinctrl-0 = <&ospi0_flash0_default_pins>; spi-tx-bus-width = <8>; spi-rx-bus-width = <8>; spi-max-frequency = <200000000>; cdns,tshsl-ns = <50>; cdns,tsd2d-ns = <50>; cdns,tchsh-ns = <4>; cdns,tslch-ns = <4>; cdns,read-delay = <0>; interrupt-parent = <&main_gpio0>; interrupts = <14 IRQ_TYPE_LEVEL_LOW>; reset-gpios = <&main_gpio0 13 GPIO_ACTIVE_LOW>; }; }; &sdhci0 { /* mmc0 pins have no padconfig */ bus-width = <8>; ti,driver-strength-ohm = <50>; disable-wp; non-removable; cap-mmc-hw-reset; no-sd; /* * MMC controller supports switching between 1.8V and 3.3V signalling. * However MMC0 (unlike MMC1) does not integrate an LDO. * Explicitly link a regulator node for indicating to the driver which * voltages are actually usable. */ vqmmc-supply = <&vdd_mmc0>; status = "okay"; }; /* * microSD is on carrier - however since SoC can boot from it, * configure it just in case. */ &sdhci1 { pinctrl-names = "default"; pinctrl-0 = <&main_mmc1_default_pins>; bus-width = <4>; ti,driver-strength-ohm = <50>; disable-wp; status = "okay"; }; /* * USB settings are a carrier choice - however since SoC can boot from it, * configure as USB-2.0 OTG here, keeping USB-3 serdes disabled. */ &usb0 { pinctrl-names = "default"; pinctrl-0 = <&usb0_default_pins>; dr_mode = "otg"; maximum-speed = "high-speed"; }; &usbss0 { ti,vbus-divider; ti,usb2-only; };