linux-kernel - [PATCH v4 0/5] Marvell HW overlay support for Cadence xSPI

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Message-ID: <20240509010523.3152264-1-wsadowski@marvell.com>
Date: Wed, 8 May 2024 18:05:18 -0700
From: Witold Sadowski <wsadowski@...vell.com>
To: <linux-kernel@...r.kernel.org>, <linux-spi@...r.kernel.org>,
        <devicetree@...r.kernel.org>
CC: <broonie@...nel.org>, <robh@...nel.org>,
        <krzysztof.kozlowski+dt@...aro.org>, <conor+dt@...nel.org>,
        <pthombar@...ence.com>, Witold Sadowski <wsadowski@...vell.com>
Subject: [PATCH v4 0/5] Marvell HW overlay support for Cadence xSPI

This patch series is adding support for second version of Marvell HW
overlay for Cadence xSPI IP block.
Overlay is HW change made around orginal xSPI block.
Overlay extends xSPI features, with clock configuration, interrupt
masking and full-duplex, variable length SPI operations.
All that functionalites allows xSPI block to operate not only with
memory devices, but also with simple SPI devices, or TPM devices.

Changes:
v4:
  Rename new Marvell registers to keep naming conventions
  Rename mrvl,xspi-nor to marvell,cnxx,xspi-nor
  Various fixed for cdns,xspi.yaml file:
    - Remove unnecesary parameters
    - Link register xferbase with marvell,cn10-xspi-nor
    - Move default values to .c file from device-tree
  Clock configuration optimization
  ACPI fixes:
    - Remove incorrect ACPI match table
  Added .data field to device_id, fixes for matching in ACPI and dtb case
  Minor style comment changes

v3:
  Removed all kconfig changes
  Added device-tree mrvl,xspi-nor tag

v2:
  Support for second overlay iteration

v1:
  -

v0:
  Initial support for v1 overlay

Piyush Malgujar (1):
  spi: cadence: Allow to read basic xSPI configuration from ACPI

Witold Sadowski (4):
  spi: cadence: Ensure data lines set to low during dummy-cycle period
  dt-bindings: spi: cadence: Add MRVL overlay bindings documentation for
    Cadence XSPI
  spi: cadence: Add Marvell xSPI IP overlay changes
  spi: cadence: Add MRVL overlay xfer operation support

 .../devicetree/bindings/spi/cdns,xspi.yaml    |  78 ++-
 drivers/spi/spi-cadence-xspi.c                | 623 +++++++++++++++++-
 2 files changed, 668 insertions(+), 33 deletions(-)

-- 
2.43.0