linux-kernel - Re: [PATCH v3 9/9] arm64: dts: ti: Add support for J742S2 EVM board

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Message-ID: <489a9116-0e13-456f-992f-3e265acd9253@ti.com>
Date: Wed, 7 Aug 2024 15:11:28 +0530
From: Beleswar Prasad Padhi <b-padhi@...com>
To: Manorit Chawdhry <m-chawdhry@...com>, 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>
Subject: Re: [PATCH v3 9/9] arm64: dts: ti: Add support for J742S2 EVM board

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@...com>


For series,
Reviewed-By: Beleswar Padhi <b-padhi@...com>

> ---
>   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@...00000 {
> +		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 {
>