linux-kernel - [PATCH v2 00/12] Add FSD CSI support

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Message-ID: <20250814140943.22531-1-inbaraj.e@samsung.com>
Date: Thu, 14 Aug 2025 19:39:31 +0530
From: Inbaraj E <inbaraj.e@...sung.com>
To: mturquette@...libre.com, sboyd@...nel.org, robh@...nel.org,
	krzk+dt@...nel.org, conor+dt@...nel.org, krzk@...nel.org,
	s.nawrocki@...sung.com, s.hauer@...gutronix.de, shawnguo@...nel.org,
	cw00.choi@...sung.com, rmfrfs@...il.com, laurent.pinchart@...asonboard.com,
	martink@...teo.de, mchehab@...nel.org, linux-fsd@...la.com, will@...nel.org,
	catalin.marinas@....com, pankaj.dubey@...sung.com, shradha.t@...sung.com,
	ravi.patel@...sung.com
Cc: linux-clk@...r.kernel.org, devicetree@...r.kernel.org,
	linux-kernel@...r.kernel.org, alim.akhtar@...sung.com,
	linux-samsung-soc@...r.kernel.org, kernel@...i.sm, kernel@...gutronix.de,
	festevam@...il.com, linux-media@...r.kernel.org, imx@...ts.linux.dev,
	linux-arm-kernel@...ts.infradead.org, Inbaraj E <inbaraj.e@...sung.com>
Subject: [PATCH v2 00/12] Add FSD CSI support

FSD CSI(Camera Serial Interface) IP bundles Link controller and DMA
controller for receiving frames. FSD SoC has 12 instances of CSI IP and
3 D-PHY. 4 instances of CSI IP use 1 D-PHY.

This patch series does the following:
1) Refactor the imx-mipi-csis driver to support platform specific
clock names and interrupt handlers through device specific data
(struct mipi_csis_info).
2) Add FSD CSI link controller support in imx-mipi-csis driver.
3) Introduce a new media driver for FSD CSI DMA providing support for
video capture and streaming.
 
These patches were tested on the FSD platform using the
capture_raw_frames application.

Changes since v1:
1. Addressed review comments from Laurent Pinchart to integrate the
with imx-mipi-csis.c to handle the CSIS and expose it as a subdev.

Here is the link to v1 patch for reference:
https://patchwork.kernel.org/project/linux-media/patch/7e7832c16925386b771ddb7e00e08661115aa0ea.1668963790.git.sathya@samsung.com/

Inbaraj E (12):
  dt-bindings: clock: Add CAM_CSI clock macro for FSD
  clk: samsung: fsd: Add clk id for PCLK and PLL in CAM_CSI block
  dt-bindings: media: nxp: Add support for FSD SoC
  arm64: dts: fsd: Add CSI nodes
  media: imx-mipi-csis: Move clk to mipi_csis_info structure
  media: imx-mipi-csis: Move irq flag and handler to mipi_csis_info
    structure
  media: imx-mipi-csis: Add support to configure specific vc
  media: imx-mipi-csis: Add support to dump all vc regs
  media: imx-mipi-csis: Add support for FSD CSI Rx
  dt-bindings: media: fsd: Document CSIS DMA controller
  arm64: defconfig: Enable FSD CSIS DMA driver
  media: fsd-csis: Add support for FSD CSIS DMA

 .../bindings/media/nxp,imx-mipi-csi2.yaml     |   88 +-
 .../bindings/media/tesla,fsd-csis-media.yaml  |   74 +
 MAINTAINERS                                   |    8 +
 arch/arm64/boot/dts/tesla/fsd-evb.dts         |   96 +
 arch/arm64/boot/dts/tesla/fsd.dtsi            |  552 ++++++
 arch/arm64/configs/defconfig                  |    1 +
 drivers/clk/samsung/clk-fsd.c                 |   28 +-
 drivers/media/platform/nxp/imx-mipi-csis.c    |  354 +++-
 drivers/media/platform/samsung/Kconfig        |    1 +
 drivers/media/platform/samsung/Makefile       |    1 +
 .../media/platform/samsung/fsd-csis/Kconfig   |   16 +
 .../media/platform/samsung/fsd-csis/Makefile  |    3 +
 .../platform/samsung/fsd-csis/fsd-csis.c      | 1730 +++++++++++++++++
 include/dt-bindings/clock/fsd-clk.h           |   13 +
 14 files changed, 2890 insertions(+), 75 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/media/tesla,fsd-csis-media.yaml
 create mode 100644 drivers/media/platform/samsung/fsd-csis/Kconfig
 create mode 100644 drivers/media/platform/samsung/fsd-csis/Makefile
 create mode 100644 drivers/media/platform/samsung/fsd-csis/fsd-csis.c

-- 
2.49.0