linux-kernel - [PATCH v2 0/2] w1: Add AXI 1-wire host driver for AMD programmable logic IP core

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Message-ID: <20231019142526.10592-1-kris.chaplin@amd.com>
Date:   Thu, 19 Oct 2023 07:24:16 -0700
From:   Kris Chaplin <kris.chaplin@....com>
To:     <kris.chaplin@....com>, <thomas.delev@....com>,
        <michal.simek@....com>, <krzysztof.kozlowski@...aro.org>,
        <robh+dt@...nel.org>, <conor+dt@...nel.org>
CC:     <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <git@....com>
Subject: [PATCH v2 0/2] w1: Add AXI 1-wire host driver for AMD programmable logic IP core

Changes since v1:
 Updated IP name and binding to axi-1wire-host and filenames to match
 Comment pruning where operation obvious, additional comments where not
 Unwrapped helper functions for register read/writes
 Removed un-necessary device reset on fail to add device
 Fixed duplicate clock disable in remove function
 Move bus master structure to per instance
 Improved hardware testing with multiple w1 instances

Add a host driver to support the AMD 1-Wire programmable logic IP block.
This block guarantees protocol timing for driving off-board devices such as thermal sensors, proms, etc.

Kris Chaplin (2):
  dt-bindings: w1: Add YAML DT schema for AMD AXI w1 host and
    MAINTAINERS entry
  w1: Add AXI 1-wire host driver for AMD programmable logic IP core

 .../bindings/w1/amd,axi-1wire-host.yaml       |  44 ++
 MAINTAINERS                                   |   8 +
 drivers/w1/masters/Kconfig                    |  11 +
 drivers/w1/masters/Makefile                   |   1 +
 drivers/w1/masters/amd_axi_w1.c               | 395 ++++++++++++++++++
 5 files changed, 459 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/w1/amd,axi-1wire-host.yaml
 create mode 100644 drivers/w1/masters/amd_axi_w1.c

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2.42.GIT