arm64: dts: ti: var-som-am62: Add support for Variscite Symphony Board

Add device tree support for the Variscite Symphony carrier board with
the VAR-SOM-AM62 system on module.

The Symphony board includes
- uSD Card support
- USB ports and OTG
- Additional Gigabit Ethernet interface
- Uart interfaces
- OV5640 Camera support
- GPIO Expander and TPM
- CAN, I2C and general purpose interfaces
- Capacitive touch controller

Link: https://www.variscite.it/product/single-board-computers/symphony-board/
Signed-off-by: Stefano Radaelli <stefano.r@variscite.com>
Link: https://patch.msgid.link/42decef4f84db8fc0474675a23e157b68b3b1a1b.1783864932.git.stefano.r@variscite.com
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
This commit is contained in:
Stefano Radaelli 2026-07-12 16:04:50 +02:00 committed by Vignesh Raghavendra
parent 887d9e03c4
commit acb4cd35db
2 changed files with 556 additions and 0 deletions

View File

@ -29,6 +29,7 @@ dtb-$(CONFIG_ARCH_K3) += k3-am625-beagleplay-csi2-tevi-ov5640.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-phyboard-lyra-rdk.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am625-sk.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am625-tqma62xx-mba62xx.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am625-var-som-symphony.dtb
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-dev-mezzanine-can.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-dev-mezzanine-panel-cap-touch-10inch-lvds.dtbo
dtb-$(CONFIG_ARCH_K3) += k3-am625-verdin-dev-nau8822-btl.dtbo

View File

@ -0,0 +1,555 @@
// SPDX-License-Identifier: GPL-2.0
/*
* Variscite Symphony carrier board for VAR-SOM-AM62
*
* Link: https://www.variscite.it/product/single-board-computers/symphony-board/
*
* Copyright (C) 2026 Variscite Ltd. - https://www.variscite.com/
* Copyright (C) 2026 Stefano Radaelli <stefano.r@variscite.com>
*
*/
/dts-v1/;
#include "k3-am625-var-som.dtsi"
/ {
model = "Variscite VAR-SOM-AM62 on Symphony-Board";
compatible = "variscite,var-som-am62-symphony", "variscite,var-som-am62", "ti,am625";
aliases {
ethernet0 = &cpsw_port1;
ethernet1 = &cpsw_port2;
mmc0 = &sdhci0;
mmc1 = &sdhci1;
mmc2 = &sdhci2;
serial0 = &main_uart0;
serial2 = &main_uart2;
serial5 = &main_uart5;
serial6 = &main_uart6;
spi5 = &main_spi2;
usb0 = &usb0;
usb1 = &usb1;
};
chosen {
stdout-path = "serial0:115200n8";
};
clk_ov5640_fixed: clock-24000000 {
#clock-cells = <0>;
compatible = "fixed-clock";
clock-frequency = <24000000>;
};
gpio-keys {
compatible = "gpio-keys";
button-back {
label = "Back";
linux,code = <KEY_BACK>;
gpios = <&pca9534 1 GPIO_ACTIVE_LOW>;
};
button-home {
label = "Home";
linux,code = <KEY_HOME>;
gpios = <&pca9534 2 GPIO_ACTIVE_LOW>;
};
button-menu {
label = "Menu";
linux,code = <KEY_MENU>;
gpios = <&pca9534 3 GPIO_ACTIVE_LOW>;
};
};
gpio-leds {
compatible = "gpio-leds";
led-heartbeat {
label = "Heartbeat";
linux,default-trigger = "heartbeat";
gpios = <&pca9534 0 GPIO_ACTIVE_LOW>;
};
};
reg_2p8v: regulator-2p8v {
compatible = "regulator-fixed";
regulator-name = "2P8V";
regulator-min-microvolt = <2800000>;
regulator-max-microvolt = <2800000>;
vin-supply = <&reg_3v3>;
regulator-always-on;
};
reg_1p8v: regulator-1p8v {
compatible = "regulator-fixed";
regulator-name = "1P8V";
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <1800000>;
vin-supply = <&reg_3v3>;
regulator-always-on;
};
reg_1p5v: regulator-1p5v {
compatible = "regulator-fixed";
regulator-name = "1P5V";
regulator-min-microvolt = <1500000>;
regulator-max-microvolt = <1500000>;
vin-supply = <&reg_3v3>;
regulator-always-on;
};
reg_sdhc1_vmmc: regulator-sdhc1 {
compatible = "regulator-fixed";
regulator-name = "+V3.3_SD";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sd1_vmmc>;
regulator-min-microvolt = <3300000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
enable-active-high;
gpios = <&main_gpio0 30 GPIO_ACTIVE_HIGH>;
bootph-all;
};
reg_sdhc1_vqmmc: regulator-sdhci1-vqmmc {
compatible = "regulator-gpio";
regulator-name = "+V3.3_SD_VQMMC";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_sd1_vqmmc>;
regulator-min-microvolt = <1800000>;
regulator-max-microvolt = <3300000>;
regulator-boot-on;
gpios = <&main_gpio0 56 GPIO_ACTIVE_HIGH>;
states = <1800000 0x0>,
<3300000 0x1>;
bootph-all;
};
reg_ov5640_buf_en: regulator-camera-buf-en {
compatible = "regulator-fixed";
regulator-name = "ov5640_buf_en";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ov5640_buf>;
gpios = <&main_gpio0 21 GPIO_ACTIVE_HIGH>;
regulator-always-on;
regulator-boot-on;
};
transceiver1: can-phy {
compatible = "ti,tcan1042";
#phy-cells = <0>;
max-bitrate = <5000000>;
};
connector {
compatible = "gpio-usb-b-connector", "usb-b-connector";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_extcon>;
label = "USB-C";
id-gpios = <&main_gpio1 12 GPIO_ACTIVE_HIGH>;
status = "okay";
port {
usb_con_hs: endpoint {
remote-endpoint = <&typec_hs>;
};
};
};
};
&cdns_csi2rx0 {
ports {
#address-cells = <1>;
#size-cells = <0>;
csi0_port0: port@0 {
reg = <0>;
status = "okay";
csi2rx0_in_sensor: endpoint {
remote-endpoint = <&csi2_cam0>;
bus-type = <4>; /* CSI2 DPHY. */
clock-lanes = <0>;
data-lanes = <1 2>;
};
};
};
};
&cpsw3g {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_rgmii1>,
<&pinctrl_rgmii2>;
status = "okay";
cpts@3d000 {
/* MAP HW3_TS_PUSH to GENF1 */
ti,pps = <2 1>;
};
};
&cpsw3g_mdio {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mdio1>;
status = "okay";
cpsw3g_phy1: ethernet-phy@5 {
compatible = "ethernet-phy-id0283.bc30";
reg = <5>;
reset-gpios = <&pca9534 5 GPIO_ACTIVE_LOW>;
reset-assert-us = <10000>;
reset-deassert-us = <100000>;
};
};
&cpsw_port2 {
/*
* The required RGMII TX and RX 2ns delays are implemented directly
* in hardware via passive delay elements on the Symphony PCB.
* No delay configuration is needed in software via PHY driver.
*/
phy-mode = "rgmii";
phy-handle = <&cpsw3g_phy1>;
status = "okay";
};
&dphy0 {
status = "okay";
};
&epwm1 {
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_epwm1>;
};
&main_i2c0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c0>;
clock-frequency = <400000>;
status = "okay";
/* GPIO expander */
pca9534: gpio@20 {
compatible = "nxp,pca9534";
reg = <0x20>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_pca9534>;
#gpio-cells = <2>;
gpio-controller;
interrupt-controller;
#interrupt-cells = <2>;
interrupt-parent = <&main_gpio1>;
interrupts = <30 IRQ_TYPE_LEVEL_LOW>;
usb3-sel-hog {
gpio-hog;
gpios = <4 0>;
output-low;
line-name = "usb3_sel";
};
eth-som-vselect-hog {
gpio-hog;
gpios = <6 0>;
output-low;
line-name = "eth-vselect";
};
eth-mdio-enable-hog {
gpio-hog;
gpios = <7 0>;
output-high;
line-name = "eth-mdio-enable";
};
};
ov5640: camera@3c {
compatible = "ovti,ov5640";
reg = <0x3c>;
clocks = <&clk_ov5640_fixed>;
clock-names = "xclk";
AVDD-supply = <&reg_2p8v>;
DOVDD-supply = <&reg_1p8v>;
DVDD-supply = <&reg_1p5v>;
powerdown-gpios = <&main_gpio0 10 GPIO_ACTIVE_HIGH>;
reset-gpios = <&main_gpio0 22 GPIO_ACTIVE_LOW>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_ov5640>;
port {
csi2_cam0: endpoint {
remote-endpoint = <&csi2rx0_in_sensor>;
clock-lanes = <0>;
data-lanes = <1 2>;
};
};
};
};
&main_i2c1 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_i2c1>;
clock-frequency = <400000>;
status = "okay";
pcal6408: gpio@21 {
compatible = "nxp,pcal6408";
reg = <0x21>;
gpio-controller;
#gpio-cells = <2>;
/* RGB_SEL */
lvds-brg-enable-hog {
gpio-hog;
gpios = <7 GPIO_ACTIVE_HIGH>;
output-low;
line-name = "lvds_brg_en";
};
};
st33ktpm2xi2c: tpm@2e {
compatible = "st,st33ktpm2xi2c", "tcg,tpm-tis-i2c";
label = "tpm";
reg = <0x2e>;
reset-gpios = <&pcal6408 4 GPIO_ACTIVE_LOW>;
};
/* Capacitive touch controller */
ft5x06_ts: touchscreen@38 {
compatible = "edt,edt-ft5206";
reg = <0x38>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_captouch_pins>;
interrupt-parent = <&main_gpio1>;
interrupts = <16 IRQ_TYPE_EDGE_FALLING>;
touchscreen-size-x = <800>;
touchscreen-size-y = <480>;
touchscreen-inverted-x;
touchscreen-inverted-y;
wakeup-source;
};
rtc@68 {
compatible = "dallas,ds1337";
reg = <0x68>;
};
};
&main_mcan0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mcan0>;
phys = <&transceiver1>;
status = "okay";
};
&main_pmx0 {
pinctrl_captouch_pins: main-captouch-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x01b8, PIN_INPUT, 7) /* (C13) SPI0_CS1.GPIO1_16 */
>;
};
pinctrl_epwm1: main-epwm1-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x019c, PIN_OUTPUT, 6) /* (B18) MCASP0_AXR1.EHRPWM1_A */
>;
};
pinctrl_extcon: main-extcon-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x01a8, PIN_INPUT, 7) /* (D20) MCASP0_AFSX.GPIO1_12 */
>;
};
pinctrl_i2c0: main-i2c0-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x1e0, PIN_INPUT_PULLUP, 0) /* (B16) I2C0_SCL */
AM62X_IOPAD(0x1e4, PIN_INPUT_PULLUP, 0) /* (A16) I2C0_SDA */
>;
};
pinctrl_i2c1: main-i2c1-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62X_IOPAD(0x1e8, PIN_INPUT_PULLUP, 0) /* (B17) I2C1_SCL */
AM62X_IOPAD(0x1ec, PIN_INPUT_PULLUP, 0) /* (A17) I2C1_SDA */
>;
};
pinctrl_mcan0: main-mcan0-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x1dc, PIN_INPUT, 0) /* (E15) MCAN0_RX */
AM62X_IOPAD(0x1d8, PIN_OUTPUT, 0) /* (C15) MCAN0_TX */
>;
};
pinctrl_mmc1: main-mmc1-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62X_IOPAD(0x23c, PIN_INPUT, 0) /* (A21) MMC1_CMD */
AM62X_IOPAD(0x234, PIN_INPUT, 0) /* (B22) MMC1_CLK */
AM62X_IOPAD(0x230, PIN_INPUT, 0) /* (A22) MMC1_DAT0 */
AM62X_IOPAD(0x22c, PIN_INPUT, 0) /* (B21) MMC1_DAT1 */
AM62X_IOPAD(0x228, PIN_INPUT, 0) /* (C21) MMC1_DAT2 */
AM62X_IOPAD(0x224, PIN_INPUT, 0) /* (D22) MMC1_DAT3 */
AM62X_IOPAD(0x240, PIN_INPUT, 0) /* (D17) MMC1_SDCD */
>;
};
pinctrl_ov5640: main-ov5640-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x0028, PIN_OUTPUT, 7) /* (J22) OSPI0_D7.GPIO0_10 */
AM62X_IOPAD(0x0058, PIN_OUTPUT, 7) /* (R23) GPMC0_AD7.GPIO0_22 */
>;
};
pinctrl_ov5640_buf: main-ov5640-buf-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x0054, PIN_OUTPUT, 7) /* (P21) GPMC0_AD6.GPIO0_21 */
>;
};
pinctrl_pca9534: main-pca9534-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x01f0, PIN_INPUT, 7) /* (A18) EXT_REFCLK1.GPIO1_30 */
>;
};
pinctrl_rgmii2: main-rgmii2-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62X_IOPAD(0x184, PIN_INPUT, 0) /* (AE23) RGMII2_RD0 */
AM62X_IOPAD(0x188, PIN_INPUT, 0) /* (AB20) RGMII2_RD1 */
AM62X_IOPAD(0x18c, PIN_INPUT, 0) /* (AC21) RGMII2_RD2 */
AM62X_IOPAD(0x190, PIN_INPUT, 0) /* (AE22) RGMII2_RD3 */
AM62X_IOPAD(0x180, PIN_INPUT, 0) /* (AD23) RGMII2_RXC */
AM62X_IOPAD(0x17c, PIN_INPUT, 0) /* (AD22) RGMII2_RX_CTL */
AM62X_IOPAD(0x16c, PIN_INPUT, 0) /* (Y18) RGMII2_TD0 */
AM62X_IOPAD(0x170, PIN_INPUT, 0) /* (AA18) RGMII2_TD1 */
AM62X_IOPAD(0x174, PIN_INPUT, 0) /* (AD21) RGMII2_TD2 */
AM62X_IOPAD(0x178, PIN_INPUT, 0) /* (AC20) RGMII2_TD3 */
AM62X_IOPAD(0x168, PIN_INPUT_PULLDOWN, 0) /* (AE21) RGMII2_TXC */
AM62X_IOPAD(0x164, PIN_INPUT, 0) /* (AA19) RGMII2_TX_CTL */
>;
};
pinctrl_sd1_vmmc: main-sd1-vmmc-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x0078, PIN_OUTPUT, 7) /* (U24) GPMC0_AD15.GPIO0_30 */
>;
};
pinctrl_sd1_vqmmc: main-sd1-vqmmc-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x00e4, PIN_OUTPUT, 7) /* (AA23) VOUT0_DATA11.GPIO0_56 */
>;
};
pinctrl_spi2: main-spi2-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x01b0, PIN_INPUT, 1) /* (A20) MCASP0_ACLKR.SPI2_CLK */
AM62X_IOPAD(0x0194, PIN_OUTPUT, 1) /* (B19) MCASP0_AXR3.SPI2_D0 */
AM62X_IOPAD(0x0198, PIN_INPUT, 1) /* (A19) MCASP0_AXR2.SPI2_D1 */
AM62X_IOPAD(0x01ac, PIN_OUTPUT, 7) /* (E19) MCASP0_AFSR.GPIO1_13 */
>;
};
pinctrl_uart0: main-uart0-default-pins {
bootph-all;
pinctrl-single,pins = <
AM62X_IOPAD(0x1c8, PIN_INPUT, 0) /* (D14) UART0_RXD, change muxmode from 0 to 7 to deactivate Debug UART RXD */
AM62X_IOPAD(0x1cc, PIN_OUTPUT, 0) /* (E14) UART0_TXD */
>;
};
pinctrl_uart2: main-uart2-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x005c, PIN_INPUT_PULLUP, 2) /* (R24) GPMC0_AD8.UART2_RXD */
AM62X_IOPAD(0x0060, PIN_OUTPUT, 2) /* (R25) GPMC0_AD9.UART2_TXD */
>;
};
pinctrl_uart6: main-uart6-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x009c, PIN_INPUT, 3) /* (V25) GPMC0_WAIT1.UART6_RXD */
AM62X_IOPAD(0x0244, PIN_OUTPUT, 1) /* (C17) MMC1_SDWP.UART6_TXD */
>;
};
pinctrl_usb1: main-usb1-default-pins {
pinctrl-single,pins = <
AM62X_IOPAD(0x0258, PIN_OUTPUT, 0) /* (F18) USB1_DRVVBUS */
>;
};
};
&main_spi2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_spi2>;
ti,pindir-d0-out-d1-in;
cs-gpios = <&main_gpio1 13 GPIO_ACTIVE_HIGH>;
status = "okay";
};
&main_uart0 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart0>;
status = "okay";
};
&main_uart2 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart2>;
status = "okay";
};
&main_uart6 {
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_uart6>;
status = "okay";
};
&sdhci1 {
/* SD Card */
vmmc-supply = <&reg_sdhc1_vmmc>;
vqmmc-supply = <&reg_sdhc1_vqmmc>;
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_mmc1>;
disable-wp;
bootph-all;
status = "okay";
};
&ti_csi2rx0 {
status = "okay";
};
&usb0 {
usb-role-switch;
status = "okay";
port {
typec_hs: endpoint {
remote-endpoint = <&usb_con_hs>;
};
};
};
&usb1 {
dr_mode = "host";
pinctrl-names = "default";
pinctrl-0 = <&pinctrl_usb1>;
status = "okay";
};
&usbss0 {
status = "okay";
};
&usbss1 {
status = "okay";
};