linux-kernel - Re: [PATCH v3 0/5] J721S2: Add initial support

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Date:   Tue, 7 Dec 2021 13:54:17 +0530
From:   Kishon Vijay Abraham I <kishon@...com>
To:     Aswath Govindraju <a-govindraju@...com>
CC:     <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, Rob Herring <robh+dt@...nel.org>,
        Tero Kristo <kristo@...nel.org>, Nishanth Menon <nm@...com>,
        Vignesh Raghavendra <vigneshr@...com>
Subject: Re: [PATCH v3 0/5] J721S2: Add initial support



On 07/12/21 1:38 pm, Aswath Govindraju wrote:
> The J721S2 SoC belongs to the K3 Multicore SoC architecture platform,
> providing advanced system integration in automotive ADAS applications and
> industrial applications requiring AI at the network edge. This SoC extends
> the Jacinto 7 family of SoCs with focus on lowering system costs and power
> while providing interfaces, memory architecture and compute performance for
> single and multi-sensor applications.
> 
> Some highlights of this SoC are:
> 
> * Dual Cortex-A72s in a single cluster, three clusters of lockstep capable
> dual Cortex-R5F MCUs, Deep-learning Matrix Multiply Accelerator(MMA), C7x
> floating point Vector DSP.
> * 3D GPU: Automotive grade IMG BXS-4-64
> * Vision Processing Accelerator (VPAC) with image signal processor and
> Depth and Motion Processing Accelerator (DMPAC)
> * Two CSI2.0 4L RX plus one eDP/DP, two DSI Tx, and one DPI interface.
> * Two Ethernet ports with RGMII support.
> * Single 4 lane PCIe-GEN3 controllers, USB3.0 Dual-role device subsystems,
> * Up to 20 MCANs, 5 McASP, eMMC and SD, OSPI/HyperBus memory controller,
> QSPI, I3C and I2C, eCAP/eQEP, eHRPWM, MLB among other peripherals.
> * Hardware accelerator blocks containing AES/DES/SHA/MD5 called SA2UL
> management.
> * Chips and Media Wave521CL H.264/H.265 encode/decode engine
> 
> See J721S2 Technical Reference Manual (SPRUJ28 – NOVEMBER 2021)
> for further details: http://www.ti.com/lit/pdf/spruj28
> 
> - bootlog:
>   https://pastebin.ubuntu.com/p/crVdPwQZYt/
> 
> The following series of patches depend on,
> - http://lists.infradead.org/pipermail/linux-arm-kernel/2021-December/700936.html
> - https://patchwork.kernel.org/project/linux-dmaengine/list/?series=583035
> - https://patchwork.kernel.org/project/linux-phy/list/?series=574093
> 
> Changes since v2:
> - Removed mux.h and phy.h header files that were
>   unused.
> 
> Changes since v1:
> - Picked up Rob Herring's acked-bys for patches 1 and 2
> - Removed unnecessary header file in patch 3
> 
> Aswath Govindraju (5):
>   dt-bindings: arm: ti: Add bindings for J721s2 SoC
>   dt-bindings: pinctrl: k3: Introduce pinmux definitions for J721S2
>   arm64: dts: ti: Add initial support for J721S2 SoC
>   arm64: dts: ti: Add initial support for J721S2 System on Module
>   arch: arm64: ti: Add support J721S2 Common Processor Board
> 
>  .../devicetree/bindings/arm/ti/k3.yaml        |   6 +
>  arch/arm64/boot/dts/ti/Makefile               |   2 +
>  .../dts/ti/k3-j721s2-common-proc-board.dts    | 421 ++++++++
>  arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi    | 937 ++++++++++++++++++
>  .../boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi     | 302 ++++++
>  arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi  | 175 ++++
>  arch/arm64/boot/dts/ti/k3-j721s2.dtsi         | 189 ++++
>  include/dt-bindings/pinctrl/k3.h              |   3 +
>  8 files changed, 2035 insertions(+)
>  create mode 100644 arch/arm64/boot/dts/ti/k3-j721s2-common-proc-board.dts
>  create mode 100644 arch/arm64/boot/dts/ti/k3-j721s2-main.dtsi
>  create mode 100644 arch/arm64/boot/dts/ti/k3-j721s2-mcu-wakeup.dtsi
>  create mode 100644 arch/arm64/boot/dts/ti/k3-j721s2-som-p0.dtsi
>  create mode 100644 arch/arm64/boot/dts/ti/k3-j721s2.dtsi
> 

For the series:
Reviewed-by: Kishon Vijay Abraham I <kishon@...com>