linux-kernel - [PATCH v3 0/2] w1: Add AXI 1-wire host driver for AMD programmable logic IP core

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Message-ID: <20231107180814.615933-1-kris.chaplin@amd.com>
Date:   Tue, 7 Nov 2023 10:06:50 -0800
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 v3 0/2] w1: Add AXI 1-wire host driver for AMD programmable logic IP core

Changes since v2:
 Updated binding patch commit description to specify that version is detected
 using a register in IP.

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

-- 
2.42.GIT