linux-kernel - [PATCH 0/7] media: qcom: camss: Add SM8750 support

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Message-Id: <20251126-add-support-for-camss-on-sm8750-v1-0-646fee2eb720@oss.qualcomm.com>
Date: Wed, 26 Nov 2025 01:38:33 -0800
From: Hangxiang Ma <hangxiang.ma@....qualcomm.com>
To: Loic Poulain <loic.poulain@....qualcomm.com>,
        Robert Foss <rfoss@...nel.org>, Andi Shyti <andi.shyti@...nel.org>,
        Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>, Todor Tomov <todor.too@...il.com>,
        Vladimir Zapolskiy <vladimir.zapolskiy@...aro.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Bryan O'Donoghue <bryan.odonoghue@...aro.org>
Cc: linux-i2c@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org,
        jeyaprakash.soundrapandian@....qualcomm.com,
        Vijay Kumar Tumati <vijay.tumati@....qualcomm.com>,
        Hangxiang Ma <hangxiang.ma@....qualcomm.com>,
        Atiya Kailany <atiya.kailany@....qualcomm.com>
Subject: [PATCH 0/7] media: qcom: camss: Add SM8750 support

Add support for the RDI only CAMSS camera driver on SM8750. Enabling
RDI path involves adding the support for a set of CSIPHY, CSID and TFE
modules, with each TFE having multiple RDI ports. This hardware
architecture requires 'qdss_debug_xo' clock for CAMNOC to be functional.

SM8750 camera subsystem provides

- 3 x VFE, 5 RDI per VFE
- 2 x VFE Lite, 4 RDI per VFE Lite
- 3 x CSID
- 2 x CSID Lite
- 6 x CSI PHY
- 2 x ICP
- 1 x IPE
- 2 x JPEG DMA & Downscaler
- 2 x JPEG Encoder
- 1 x OFE
- 5 x RT CDM
- 3 x TPG

This series has been tested using the following commands with a
downstream driver for S5KJN5 sensor.

- media-ctl --reset
- media-ctl -V '"msm_csiphy2":0[fmt:SGBRG10/4096x3072]'
- media-ctl -V '"msm_csid0":0[fmt:SGBRG10/4096x3072]'
- media-ctl -V '"msm_vfe0_rdi0":0[fmt:SGBRG10/4096x3072]'
- media-ctl -l '"msm_csiphy2":1->"msm_csid0":0[1]'
- media-ctl -l '"msm_csid0":1->"msm_vfe0_rdi0":0[1]'
- yavta  --capture=20 -I -n 5 -f SGBRG10P -s 4096x3072 -F  /dev/video0

Signed-off-by: Hangxiang Ma <hangxiang.ma@....qualcomm.com>
---
Hangxiang Ma (7):
      dt-bindings: i2c: qcom-cci: Document SM8750 compatible
      media: dt-bindings: Add CAMSS device for SM8750
      media: qcom: camss: Add SM8750 compatible camss driver
      media: qcom: camss: csiphy: Add support for v2.3.0 two-phase CSIPHY
      media: qcom: camss: csid: Add support for CSID 980
      media: qcom: camss: vfe: Add support for VFE gen4
      arm64: dts: qcom: sm8750: Add support for camss

 .../devicetree/bindings/i2c/qcom,i2c-cci.yaml      |   2 +
 .../bindings/media/qcom,sm8750-camss.yaml          | 664 +++++++++++++++++++++
 arch/arm64/boot/dts/qcom/sm8750.dtsi               | 599 +++++++++++++++++++
 drivers/media/platform/qcom/camss/Makefile         |   5 +-
 drivers/media/platform/qcom/camss/camss-csid-980.c | 428 +++++++++++++
 drivers/media/platform/qcom/camss/camss-csid.h     |   1 +
 .../platform/qcom/camss/camss-csiphy-3ph-1-0.c     |  11 +-
 .../camss/{camss-vfe-1080.c => camss-vfe-gen4.c}   |  60 +-
 drivers/media/platform/qcom/camss/camss-vfe.c      |   2 +
 drivers/media/platform/qcom/camss/camss-vfe.h      |   2 +-
 drivers/media/platform/qcom/camss/camss.c          | 359 ++++++++++-
 drivers/media/platform/qcom/camss/camss.h          |   1 +
 12 files changed, 2094 insertions(+), 40 deletions(-)
---
base-commit: c4c627ac2ae866d333c3ade7abc871a638364d7f
change-id: 20251126-add-support-for-camss-on-sm8750-506c4de36d88

Best regards,
-- 
Hangxiang Ma <hangxiang.ma@....qualcomm.com>