linux-kernel - [PATCH v2 0/4] drivers: misc: Add support for TMR Manager and Inject IPs

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Message-ID: <20220720060016.1646317-1-appana.durga.kedareswara.rao@amd.com>
Date:   Wed, 20 Jul 2022 11:30:12 +0530
From:   Appana Durga Kedareswara rao 
        <appana.durga.kedareswara.rao@....com>
To:     <robh+dt@...nel.org>, <krzysztof.kozlowski+dt@...aro.org>,
        <michal.simek@...inx.com>, <derek.kiernan@...inx.com>,
        <dragan.cvetic@...inx.com>, <arnd@...db.de>,
        <gregkh@...uxfoundation.org>
CC:     <appanad@....com>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>, <git@....com>,
        <git@...inx.com>
Subject: [PATCH v2 0/4] drivers: misc: Add support for TMR Manager and Inject IPs

This patch series adds support for TMR Manager and TMR Inject IPs.
The TMR Manager is responsible for handling the TMR subsystem state,
including fault detection and error recovery. The core is triplicated
in each of the sub-blocks in the TMR subsystem, and provides majority
voting of its internal state.
The TMR Inject core provides functional fault injection by changing
selected MicroBlaze instructions, which provides the possibility to
verify that the TMR subsystem error detection and fault recovery logic
is working properly.

For more details about TMR Manager and Inject IPs please refer PG268[1].
[1]: https://docs.xilinx.com/r/en-US/pg268-tmr/Triple-Modular-Redundancy-TMR-v1.0-LogiCORE-IP-Product-Guide-PG268

This patch series has a dependency on the patch series
https://www.spinics.net/lists/arm-kernel/msg991887.html

Appana Durga Kedareswara rao (4):
  dt-bindings: misc: tmr-manager: Add device-tree binding for TMR
    Manager
  drivers: misc: Add Support for TMR Manager
  dt-bindings: misc: tmr-inject: Add device-tree binding for TMR Inject
  drivers: misc: Add Support for TMR Inject IP

 .../testing/sysfs-driver-xilinx-tmr-inject    |  16 ++
 .../testing/sysfs-driver-xilinx-tmr-manager   |  27 ++
 .../bindings/misc/xlnx,tmr-inject.yaml        |  47 ++++
 .../bindings/misc/xlnx,tmr-manager.yaml       |  47 ++++
 MAINTAINERS                                   |  14 +
 drivers/misc/Kconfig                          |  20 ++
 drivers/misc/Makefile                         |   2 +
 drivers/misc/xilinx_tmr_inject.c              | 186 +++++++++++++
 drivers/misc/xilinx_tmr_manager.c             | 253 ++++++++++++++++++
 9 files changed, 612 insertions(+)
 create mode 100644 Documentation/ABI/testing/sysfs-driver-xilinx-tmr-inject
 create mode 100644 Documentation/ABI/testing/sysfs-driver-xilinx-tmr-manager
 create mode 100644 Documentation/devicetree/bindings/misc/xlnx,tmr-inject.yaml
 create mode 100644 Documentation/devicetree/bindings/misc/xlnx,tmr-manager.yaml
 create mode 100644 drivers/misc/xilinx_tmr_inject.c
 create mode 100644 drivers/misc/xilinx_tmr_manager.c

-- 
2.25.1