// SPDX-License-Identifier: GPL-2.0+ /* * Copyright (C) 2023 Josua Mayer * * DTS for SolidRun AM642 HummingBoard-T, * running on Cortex A53. * */ /dts-v1/; #include #include #include "k3-am642.dtsi" #include "k3-am642-sr-som.dtsi" / { model = "SolidRun AM642 HummingBoard-T"; compatible = "solidrun,am642-hummingboard-t", "solidrun,am642-sr-som", "ti,am642"; aliases { serial5 = &main_uart3; }; leds { compatible = "gpio-leds"; pinctrl-names = "default"; pinctrl-0 = <&leds_default_pins>; /* D24 */ led1: led-1 { label = "led1"; gpios = <&main_gpio0 29 GPIO_ACTIVE_HIGH>; color = ; }; /* D25 */ led2: led-2 { label = "led2"; gpios = <&main_gpio0 30 GPIO_ACTIVE_HIGH>; color = ; }; /* D26 */ led3: led-3 { label = "led3"; gpios = <&main_gpio0 33 GPIO_ACTIVE_HIGH>; color = ; }; }; regulator-m2-3v3 { compatible = "regulator-fixed"; pinctrl-names = "default"; pinctrl-0 = <®ulator_pcie_3v3_default_pins>; regulator-name = "m2-3v3"; regulator-min-microvolt = <3300000>; regulator-max-microvolt = <3300000>; gpio = <&main_gpio1 17 GPIO_ACTIVE_HIGH>; enable-active-high; regulator-always-on; }; regulator-vpp-1v8 { compatible = "regulator-fixed"; pinctrl-names = "default"; pinctrl-0 = <®ulator_vpp_1v8_default_pins>; regulator-name = "vpp-1v8"; regulator-min-microvolt = <1800000>; regulator-max-microvolt = <1800000>; gpio = <&main_gpio1 78 GPIO_ACTIVE_HIGH>; enable-active-high; }; serdes_mux: mux-controller { compatible = "gpio-mux"; pinctrl-names = "default"; pinctrl-0 = <&serdes_mux_default_pins>; #mux-control-cells = <0>; /* * Mux has 2 IOs: * - select: 0 = USB-3 (M2); 1 = PCIE (M1) * - shutdown: 0 = active; 1 = disabled (high impedance) */ mux-gpios = <&main_gpio1 40 GPIO_ACTIVE_HIGH>, <&main_gpio1 41 GPIO_ACTIVE_HIGH>; /* default disabled */ idle-state = <2>; }; }; &main_gpio0 { m2-reset-hog { gpio-hog; gpios = <12 GPIO_ACTIVE_LOW>; output-low; /* deasserted */ line-name = "m2-reset"; }; m1-m2-w-disable1-hog { gpio-hog; gpios = <32 GPIO_ACTIVE_LOW>; output-low; /* deasserted */ line-name = "m1-m2-pcie-w-disable1"; }; m1-m2-w-disable2-hog { gpio-hog; gpios = <34 GPIO_ACTIVE_LOW>; output-low; /* deasserted */ line-name = "m1-m2-pcie-w-disable2"; }; }; &main_gpio1 { m1-pcie-clkreq0-hog { gpio-hog; gpios = <11 GPIO_ACTIVE_LOW>; input; line-name = "m1-pcie-clkreq0"; }; m2-pcie-clkreq-hog { gpio-hog; gpios = <35 GPIO_ACTIVE_LOW>; input; line-name = "m2-pcie-clkreq"; }; }; &main_i2c0 { pinctrl-0 = <&main_i2c0_default_pins>, <&main_i2c0_int_default_pins>; humidity-sensor@41 { compatible = "ti,hdc2010"; reg = <0x41>; interrupt-parent = <&main_gpio0>; interrupts = <37 IRQ_TYPE_EDGE_FALLING>; }; light-sensor@44 { compatible = "ti,opt3001"; reg = <0x44>; interrupt-parent = <&main_gpio0>; interrupts = <37 IRQ_TYPE_EDGE_FALLING>; }; /* charger@6a */ }; &main_i2c1 { pinctrl-names = "default"; pinctrl-0 = <&main_i2c1_default_pins>; status = "okay"; rtc@69 { compatible = "abracon,abx80x"; reg = <0x69>; pinctrl-names = "default"; pinctrl-0 = <&rtc_int_default_pins>; abracon,tc-diode = "schottky"; abracon,tc-resistor = <3>; interrupt-parent = <&main_gpio0>; interrupts = <44 IRQ_TYPE_EDGE_FALLING>; }; }; &main_mcan0 { pinctrl-names = "default"; pinctrl-0 = <&main_mcan0_default_pins>; status = "okay"; can-transceiver { max-bitrate = <8000000>; }; }; &main_mcan1 { pinctrl-names = "default"; pinctrl-0 = <&main_mcan1_default_pins>; status = "okay"; can-transceiver { max-bitrate = <8000000>; }; }; &main_pmx0 { leds_default_pins: leds-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x0074, PIN_OUTPUT, 7) /* GPMC0_AD14.GPIO0_29 */ AM64X_IOPAD(0x0078, PIN_OUTPUT, 7) /* GPMC0_AD15.GPIO0_30 */ AM64X_IOPAD(0x0088, PIN_OUTPUT, 7) /* GPMC0_OEn_REn.GPIO0_33 */ >; }; main_i2c0_int_default_pins: main-i2c0-int-default-pins { pinctrl-single,pins = < /* external pull-up on Carrier */ AM64X_IOPAD(0x0098, PIN_INPUT, 7) /* GPMC0_WAIT0.GPIO0_37 */ >; }; main_i2c1_default_pins: main-i2c1-default-pins { pinctrl-single,pins = < /* external pull-up on SoM */ AM64X_IOPAD(0x0268, PIN_INPUT, 0) /* I2C1_SCL.I2C1_SCL */ AM64X_IOPAD(0x026c, PIN_INPUT, 0) /* I2C1_SDA.I2C1_SDA */ >; }; main_mcan0_default_pins: main-mcan0-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x0254, PIN_INPUT, 0) /* MCAN0_RX.MCAN0_RX */ AM64X_IOPAD(0x0250, PIN_OUTPUT, 0) /* MCAN0_TX.MCAN0_TX */ >; }; main_mcan1_default_pins: main-mcan1-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x025c, PIN_INPUT, 0) /* MCAN1_RX.MCAN1_RX */ AM64X_IOPAD(0x0258, PIN_OUTPUT, 0) /* MCAN1_TX.MCAN1_TX */ >; }; main_uart3_default_pins: main-uart3-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x016c, PIN_INPUT, 10) /* PRG0_PRU0_GPO3.UART3_CTSn */ AM64X_IOPAD(0x0170, PIN_OUTPUT, 10) /* PRG0_PRU0_GPO4.UART3_TXD */ AM64X_IOPAD(0x0174, PIN_OUTPUT, 10) /* PRG0_PRU0_GPO5.UART3_RTSn */ AM64X_IOPAD(0x01ac, PIN_INPUT, 10) /* PRG0_PRU0_GPO19.UART3_RXD */ >; }; pcie0_default_pins: pcie0-default-pins { pinctrl-single,pins = < /* connector M2 RESET */ AM64X_IOPAD(0x0030, PIN_OUTPUT, 7) /* OSPI0_CSn1.GPIO0_12 */ /* connectors M1 & M2 W_DISABLE1 */ AM64X_IOPAD(0x0084, PIN_OUTPUT, 7) /* GPMC0_ADVN_ALE.GPIO0_32 */ /* connectors M1 & M2 W_DISABLE2 */ AM64X_IOPAD(0x008c, PIN_OUTPUT, 7) /* GPMC0_WEN.GPIO0_34 */ /* connectors M1 & M2 PERST0 (PCI Reset) */ AM64X_IOPAD(0x019c, PIN_OUTPUT, 7) /* PRG0_PRU0_GPO15.GPIO1_15 */ /* connector M1 CLKREQ0 */ AM64X_IOPAD(0x018c, PIN_INPUT, 7) /* PRG0_PRU0_GPO11.GPIO1_11 */ /* connector M2 CLKREQ0 */ AM64X_IOPAD(0x01ec, PIN_INPUT, 7) /* PRG0_PRU1_GPO15.GPIO1_35 */ >; }; regulator_pcie_3v3_default_pins: regulator-pcie-3v3-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x01a4, PIN_OUTPUT, 7) /* PRG0_PRU0_GPO17.GPIO1_17 */ >; }; regulator_vpp_1v8_default_pins: regulator-vpp-1v8-default-pins { pinctrl-single,pins = < AM64X_IOPAD(0x029c, PIN_OUTPUT, 7) /* MMC1_SDWP.GPIO1_78 */ >; }; rtc_int_default_pins: rtc-int-default-pins { pinctrl-single,pins = < /* external pull-up on Carrier */ AM64X_IOPAD(0x00b4, PIN_INPUT, 7) /* GPMC0_CSn3.GPIO0_44 */ >; }; serdes_mux_default_pins: serdes-mux-default-pins { pinctrl-single,pins = < /* SEL, 10k pull-down on carrier, 2.2k pullup on SoM */ AM64X_IOPAD(0x0200, PIN_OUTPUT, 7) /* PRG0_MDIO0_MDIO.GPIO1_40 */ /* EN */ AM64X_IOPAD(0x0204, PIN_OUTPUT, 7) /* PRG0_MDIO0_MDC.GPIO1_41 */ >; }; }; &main_uart3 { pinctrl-names = "default"; pinctrl-0 = <&main_uart3_default_pins>; uart-has-rtscts; rs485-rts-active-low; linux,rs485-enabled-at-boot-time; status = "okay"; }; &usb0 { dr_mode = "host"; };