Hi Manorit,
On 31/07/24 22:40, Manorit Chawdhry wrote:
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>
For series,
Reviewed-By: Beleswar Padhi <b-padhi@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 {
