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[v5,0/3] media: imx: add support for imx8mq MIPI RX

Message ID 20210618095753.114557-1-martin.kepplinger@puri.sm (mailing list archive)
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Series media: imx: add support for imx8mq MIPI RX | expand

Message

Martin Kepplinger June 18, 2021, 9:57 a.m. UTC 
hi,

This patch series adds a driver for the i.MX8MQ CSI MIPI receiver / controller.

It includes the driver, the dt-bindings and the DT addition to the SoC dtsi.
I test it using libcamera. Thanks to Laurent who helped a lot. I'm happy for
any feedback,

                           martin

revision history
----------------
v5: (thank you Laurent)
* fix reset usage by using the already supported reset controller driver
* remove clko2 (totally unrelated clock / had been included by accident)
* rename pxl clock to ui

v4: (thank you Rob and Marco)
* create fsl,mipi-phy-gpr custom dt property instead of confusing "phy"
* add imx8mq-specific compatibile to imx8mq.dtsi for future use
https://lore.kernel.org/linux-media/20210614121522.2944593-1-martin.kepplinger@puri.sm/

v3: (thank you, Rob and Laurent)
among minor other things according to v2 review, changes include:
* better describe the clocks
* rename DT property "phy-reset" to "reset" and "phy-gpr" to "phy"
https://lore.kernel.org/linux-media/20210608104128.1616028-1-martin.kepplinger@puri.sm/T/#t

v2: (thank you, Dan and Guido)
among fixes according to v1 reviews, changes include:
* remove status property from dt-bindings example
* define a few bits in order to have less magic values
* use "imx8mq_mipi_csi_" as local function prefix
* read DT properties only during probe()
* remove dead code (log_status)
* add imx8mq_mipi_csi_release_icc()
* fix imx8mq_mipi_csi_init_icc()
https://lore.kernel.org/linux-media/20210531112326.90094-1-martin.kepplinger@puri.sm/

v1:
https://lore.kernel.org/linux-media/20210527075407.3180744-1-martin.kepplinger@puri.sm/T/#t


Martin Kepplinger (3):
  dt-bindings: media: document the nxp,imx8mq-mipi-csi2 receiver phy and
    controller
  media: imx: add a driver for i.MX8MQ mipi csi rx phy and controller
  arm64: dts: imx8mq: add mipi csi phy and csi bridge descriptions

 .../bindings/media/nxp,imx8mq-mipi-csi2.yaml  | 173 ++++
 arch/arm64/boot/dts/freescale/imx8mq.dtsi     | 104 ++
 drivers/staging/media/imx/Makefile            |   1 +
 drivers/staging/media/imx/imx8mq-mipi-csi2.c  | 963 ++++++++++++++++++
 4 files changed, 1241 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/media/nxp,imx8mq-mipi-csi2.yaml
 create mode 100644 drivers/staging/media/imx/imx8mq-mipi-csi2.c