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|
// 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";
};
|
