linux-kernel - [PATCH v5 5/5] arm64: dts: ti: Add support for J742S2 EVM board

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Message-ID: <20240828-b4-upstream-j742s2-v5-5-9aaa02a0faee@ti.com>
Date: Wed, 28 Aug 2024 16:45:03 +0530
From: Manorit Chawdhry <m-chawdhry@...com>
To: Nishanth Menon <nm@...com>, Vignesh Raghavendra <vigneshr@...com>,
        Tero
 Kristo <kristo@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof
 Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>
CC: <linux-arm-kernel@...ts.infradead.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Udit Kumar <u-kumar1@...com>,
        Neha Malcom
 Francis <n-francis@...com>,
        Aniket Limaye <a-limaye@...com>, Beleswar Padhi
	<b-padhi@...com>,
        Manorit Chawdhry <m-chawdhry@...com>
Subject: [PATCH v5 5/5] arm64: dts: ti: Add support for J742S2 EVM board

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)
Reviewed-by: Beleswar Padhi <b-padhi@...com>
Signed-off-by: Manorit Chawdhry <m-chawdhry@...com>
---
 arch/arm64/boot/dts/ti/Makefile          |  4 ++++
 arch/arm64/boot/dts/ti/k3-j742s2-evm.dts | 26 ++++++++++++++++++++++++++
 2 files changed, 30 insertions(+)

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..fcb7f05d7faf
--- /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@...00000 {
+		/* 16G RAM */
+		reg = <0x00000000 0x80000000 0x00000000 0x80000000>,
+		      <0x00000008 0x80000000 0x00000003 0x80000000>;
+		device_type = "memory";
+		bootph-all;
+	};
+};

-- 
2.46.0