linux-kernel - [PATCH 0/6] arm64: Initial support Texas Instrument's J721E Platform

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Date:   Wed, 22 May 2019 11:19:15 -0500
From:   Nishanth Menon <nm@...com>
To:     Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        Santosh Shilimkar <ssantosh@...nel.org>,
        Will Deacon <will.deacon@....com>,
        Catalin Marinas <catalin.marinas@....com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Mark Rutland <mark.rutland@....com>,
        Rob Herring <robh+dt@...nel.org>
CC:     <linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        Tony Lindgren <tony@...mide.com>,
        Russell King <linux@...linux.org.uk>,
        Tero Kristo <t-kristo@...com>, Nishanth Menon <nm@...com>
Subject: [PATCH 0/6] arm64: Initial support Texas Instrument's J721E Platform

Hi,

This series adds support for the latest new SoC, J721E, from Texas Instruments.

The series is an based off v5.2-rc1 and has the following driver
dependencies for a successful boot:
1.  https://lore.kernel.org/lkml/20190429131533.25122-1-afd@ti.com (for newer firmware)
2.  https://lore.kernel.org/linux-arm-kernel/1555093342-428-1-git-send-email-t-kristo@ti.com/
    - Clock IDs cannot be guarenteed to be sequential, has to be
      discovered from hardware description in dts
    - Clock IDs on this massive chip also exceeds 255, so, the support
      for the same is expected in follow on patches.

The full series is available here (including dependencies):
https://github.com/nmenon/linux-2.6-playground/commits/upstream/v5.2-rc1/j7es-base-v1

Boot Log: https://pastebin.ubuntu.com/p/j3NtfF8FQr/

NOTE:
 - If Greg is ok, we can pick up the uart compatibility via the k3 tree,
   else, I can spawn it off the series.
 - I will resubmit patch 6 (defconfig update) separately once again once
   patches 1-5 hit the next tree or for 5.3-rc2 which ever is convenient.

The J721E SoC belongs to the K3 Multicore SoC architecture platform
for automotive applications such as infotainment, cluster, premium
Audio, Gateway, industrial and a range of broad market applications.
This SoC is designed around reducing the system cost by eliminating
the need of an external system MCU and is targeted towards ASIL-B/C
certification/requirements in addition to allowing complex software
and system use-cases.

The Linux development follows AM654 in most of the configurations, but
adds new capabilities (details in follow on patches).

See J721E Technical Reference Manual (SPRUIL1, May 2019)
for further details: http://www.ti.com/lit/pdf/spruil1

Nishanth Menon (6):
  dt-bindings: arm: ti: Add bindings for J721E SoC
  dt-bindings: serial: 8250_omap: Add compatible for J721E UART
    controller
  arm64: dts: ti: Add Support for J721E SoC
  soc: ti: Add Support for J721E SoC config option
  arm64: dts: ti: Add support for J721E Common Processor Board
  arm64: defconfig: Enable TI's J721E SoC platform

 .../devicetree/bindings/arm/ti/k3.txt         |   3 +
 .../bindings/serial/omap_serial.txt           |   1 +
 arch/arm64/boot/dts/ti/Makefile               |   2 +
 .../dts/ti/k3-j721e-common-proc-board.dts     |  50 +++++
 arch/arm64/boot/dts/ti/k3-j721e-main.dtsi     | 202 ++++++++++++++++++
 .../boot/dts/ti/k3-j721e-mcu-wakeup.dtsi      |  72 +++++++
 arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi   |  29 +++
 arch/arm64/boot/dts/ti/k3-j721e.dtsi          | 176 +++++++++++++++
 arch/arm64/configs/defconfig                  |   1 +
 drivers/soc/ti/Kconfig                        |   5 +
 10 files changed, 541 insertions(+)
 create mode 100644 arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dts
 create mode 100644 arch/arm64/boot/dts/ti/k3-j721e-main.dtsi
 create mode 100644 arch/arm64/boot/dts/ti/k3-j721e-mcu-wakeup.dtsi
 create mode 100644 arch/arm64/boot/dts/ti/k3-j721e-som-p0.dtsi
 create mode 100644 arch/arm64/boot/dts/ti/k3-j721e.dtsi

-- 
2.21.0.777.g83232e38648b