J742S2 EVM board is designed for TI J742S2 SoC. It supports the following interfaces: * 16 GB DDR4 RAM * x2 Gigabit Ethernet interfaces capable of working in Switch and MAC mode * x1 Input Audio Jack, x1 Output Audio Jack * x1 USB2.0 Hub with two Type A host and x1 USB 3.1 Type-C Port * x1 4L PCIe connector * x1 UHS-1 capable micro-SD card slot * 512 Mbit OSPI flash, 1 Gbit Octal NAND flash, 512 Mbit QSPI flash, UFS flash. * x6 UART through UART-USB bridge * XDS110 for onboard JTAG debug using USB * Temperature sensors, user push buttons and LEDs * x1 GESI expander, x2 Display connector * x1 15-pin CSI header * x6 MCAN instances Link: https://www.ti.com/lit/ug/sprujd8/sprujd8.pdf (EVM user guide) Link: https://www.ti.com/lit/zip/SPAC001 (Schematics) Signed-off-by: Manorit Chawdhry <m-chawdhry@xxxxxx> --- arch/arm64/boot/dts/ti/Makefile | 4 ++++ arch/arm64/boot/dts/ti/k3-j742s2-evm.dts | 26 ++++++++++++++++++++++ .../boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi | 3 ++- 3 files changed, 32 insertions(+), 1 deletion(-) diff --git a/arch/arm64/boot/dts/ti/Makefile b/arch/arm64/boot/dts/ti/Makefile index e20b27ddf901..1bf645726a10 100644 --- a/arch/arm64/boot/dts/ti/Makefile +++ b/arch/arm64/boot/dts/ti/Makefile @@ -119,6 +119,9 @@ dtb-$(CONFIG_ARCH_K3) += k3-j784s4-evm-pcie0-pcie1-ep.dtbo dtb-$(CONFIG_ARCH_K3) += k3-j784s4-evm-quad-port-eth-exp1.dtbo dtb-$(CONFIG_ARCH_K3) += k3-j784s4-evm-usxgmii-exp1-exp2.dtbo +# Boards with J742S2 SoC +dtb-$(CONFIG_ARCH_K3) += k3-j742s2-evm.dtb + # Build time test only, enabled by CONFIG_OF_ALL_DTBS k3-am625-beagleplay-csi2-ov5640-dtbs := k3-am625-beagleplay.dtb \ k3-am625-beagleplay-csi2-ov5640.dtbo @@ -240,3 +243,4 @@ DTC_FLAGS_k3-j721e-common-proc-board += -@ DTC_FLAGS_k3-j721e-sk += -@ DTC_FLAGS_k3-j721s2-common-proc-board += -@ DTC_FLAGS_k3-j784s4-evm += -@ +DTC_FLAGS_k3-j742s2-evm += -@ diff --git a/arch/arm64/boot/dts/ti/k3-j742s2-evm.dts b/arch/arm64/boot/dts/ti/k3-j742s2-evm.dts new file mode 100644 index 000000000000..ac683bcbfe97 --- /dev/null +++ b/arch/arm64/boot/dts/ti/k3-j742s2-evm.dts @@ -0,0 +1,26 @@ +// SPDX-License-Identifier: GPL-2.0-only OR MIT +/* + * Copyright (C) 2024 Texas Instruments Incorporated - https://www.ti.com/ + * + * EVM Board Schematics: https://www.ti.com/lit/zip/SPAC001 + */ + +/dts-v1/; + +#include <dt-bindings/net/ti-dp83867.h> +#include <dt-bindings/gpio/gpio.h> +#include "k3-j742s2.dtsi" +#include "k3-j784s4-j742s2-evm-common.dtsi" + +/ { + model = "Texas Instruments J742S2 EVM"; + compatible = "ti,j742s2-evm", "ti,j742s2"; + + memory@80000000 { + device_type = "memory"; + bootph-all; + /* 16G RAM */ + reg = <0x00000000 0x80000000 0x00000000 0x80000000>, + <0x00000008 0x80000000 0x00000003 0x80000000>; + }; +}; diff --git a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi index 068ceed4ea15..a7bb1857b4e8 100644 --- a/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi +++ b/arch/arm64/boot/dts/ti/k3-j784s4-j742s2-evm-common.dtsi @@ -2,7 +2,8 @@ /* * Copyright (C) 2022-2024 Texas Instruments Incorporated - https://www.ti.com/ * - * EVM Board Schematics: https://www.ti.com/lit/zip/sprr458 + * EVM Board Schematics(j784s4): https://www.ti.com/lit/zip/sprr458 + * EVM Board Schematics(j742s2): https://www.ti.com/lit/zip/SPAC001 */ / { chosen { -- 2.45.1
