diff options
Diffstat (limited to 'arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dts')
| -rw-r--r-- | arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dts | 292 |
1 files changed, 292 insertions, 0 deletions
diff --git a/arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dts b/arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dts new file mode 100644 index 000000000000..234d76e4e944 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-am642-hummingboard-t.dts @@ -0,0 +1,292 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2023 Josua Mayer <josua@solid-run.com> + * + * DTS for SolidRun AM642 HummingBoard-T, + * running on Cortex A53. + * + */ + +/dts-v1/; + +#include <dt-bindings/leds/common.h> +#include <dt-bindings/phy/phy.h> + +#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 = <LED_COLOR_ID_GREEN>; + }; + + /* D25 */ + led2: led-2 { + label = "led2"; + gpios = <&main_gpio0 30 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_GREEN>; + }; + + /* D26 */ + led3: led-3 { + label = "led3"; + gpios = <&main_gpio0 33 GPIO_ACTIVE_HIGH>; + color = <LED_COLOR_ID_GREEN>; + }; + }; + + 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"; +}; |