linux-kernel - [PATCH v3 0/7] Rx mode support for Cadence DPHY

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Date:   Fri, 25 Jun 2021 00:11:01 +0530
From:   Pratyush Yadav <p.yadav@...com>
To:     Vinod Koul <vkoul@...nel.org>
CC:     Nikhil Devshatwar <nikhil.nd@...com>,
        Tomi Valkeinen <tomi.valkeinen@...asonboard.com>,
        Laurent Pinchart <laurent.pinchart@...asonboard.com>,
        Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Vignesh Raghavendra <vigneshr@...com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Peter Chen <peter.chen@....com>,
        Pratyush Yadav <p.yadav@...com>,
        Rob Herring <robh+dt@...nel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, <linux-phy@...ts.infradead.org>
Subject: [PATCH v3 0/7] Rx mode support for Cadence DPHY

Hi,

This series adds support for Rx mode on Cadence DPHY driver. It has been
split off from [0] to facilitate easier merging. I have still kept it as
v3 to maintain continuity with the previous patches. This series also
includes conversion to YAML binding.

Tested on TI's J721E with OV5640 sensor.

[0] https://patchwork.linuxtv.org/project/linux-media/list/?series=5526&state=%2A&archive=both

Changes in v3:
- Use a table to select the band.
- Use a table to poll the data lane ready bits.
- Multiply the DPHY HS clock rate by 2 to get the bit rate since the
  clock is DDR.
- Add Rob's R-by.

Changes in v2:
- Drop reg description.
- Add a description for each DPHY clock.
- Rename dphy@... to phy@... in example.
- Add Laurent's R-by.
- Re-order subject prefixes.
- Re-order subject prefixes.
- Add power-domain to the example.
- Add Laurent's R-by.
- Re-order subject prefixes.

Paul Kocialkowski (1):
  phy: Distinguish between Rx and Tx for MIPI D-PHY with submodes

Pratyush Yadav (6):
  phy: cdns-dphy: Prepare for Rx support
  phy: cdns-dphy: Allow setting mode
  phy: cdns-dphy: Add Rx support
  phy: dt-bindings: Convert Cadence DPHY binding to YAML
  phy: dt-bindings: cdns,dphy: make clocks optional
  phy: dt-bindings: cdns,dphy: add power-domains property

 .../devicetree/bindings/phy/cdns,dphy.txt     |  20 -
 .../devicetree/bindings/phy/cdns,dphy.yaml    |  54 +++
 drivers/phy/cadence/cdns-dphy.c               | 344 ++++++++++++++++--
 include/linux/phy/phy-mipi-dphy.h             |  13 +
 4 files changed, 375 insertions(+), 56 deletions(-)
 delete mode 100644 Documentation/devicetree/bindings/phy/cdns,dphy.txt
 create mode 100644 Documentation/devicetree/bindings/phy/cdns,dphy.yaml

-- 
2.30.0