[PATCH v3 0/5] media: qcom: camss: Add SM8750 support

[Hangxiang Ma]

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:
- 6 x CSIPHY (CSI Physical Layer)
- 3 x TPG (Test Pattern Generator)
- 3 x CSID (CSI Decoder)
- 2 x CSID Lite
- 3 x VFE (Video Front End), 5 RDI per VFE
- 2 x VFE Lite, 4 RDI per VFE Lite

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

Dependencies:
- https://lore.kernel.org/all/20260508-kaanapali-camss-v13-0-2541d8e55651@xxxxxxxxxxxxxxxx/

Signed-off-by: Hangxiang Ma <hangxiang.ma@xxxxxxxxxxxxxxxx>
---
Changes in v3:
- Revert binding from full hardware description to CAMSS-only scope for
  modular and incremental development - bod
- Rename icc path names and vfe clock names to drop redundancies - Krzysztof
- Separate port index from VC value in csid_configure_stream(). Previously
  vc was used as both the loop iterator and the hardware VC, causing
  misconfiguration on RDI path starting from 1 - bod
- Link to v2: https://lore.kernel.org/all/20260119-add-support-for-camss-on-sm8750-v2-0-3e06583a0a81@xxxxxxxxxxxxxxxx

Changes in v2:
- Rebase this series due to conflict - bod
- Add module descriptions in binding commit message and cover letter
- Update property names to align with previous generations - Krzysztof
- Update the vdd supply names with 0p88 to 0p9 in binding to keep such name
  style consistency - Krzysztof/Vladimir
- Add missing Kaanapali dependency - Krzysztof
- Add regulator current in csiphy resource due to interface changed - bod
- Make csid board level code style consistent and add comments to explain
  the differences between csid full and lite configurations - bod
- Remove redundant initialization for empty set in csid and vfe - bod
- Remove DTS patch due to conflict with camcc dependency. Will post it
  as an individual series.
- Update vfe commit message as renaming work done in Kaanapali series
- Revert change-id to v1 to avoid increasing reviewers' workload
- Link to v1: https://lore.kernel.org/r/20251126-add-support-for-camss-on-sm8750-v1-0-646fee2eb720@xxxxxxxxxxxxxxxx

---
Hangxiang Ma (5):
      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 980

 .../bindings/media/qcom,sm8750-camss.yaml          | 433 ++++++++++++++++++++
 drivers/media/platform/qcom/camss/Makefile         |   1 +
 drivers/media/platform/qcom/camss/camss-csid-980.c | 442 +++++++++++++++++++++
 drivers/media/platform/qcom/camss/camss-csid.h     |   1 +
 .../platform/qcom/camss/camss-csiphy-3ph-1-0.c     |   5 +-
 drivers/media/platform/qcom/camss/camss-vfe-gen4.c |  10 +-
 drivers/media/platform/qcom/camss/camss-vfe.c      |   2 +
 drivers/media/platform/qcom/camss/camss.c          | 357 +++++++++++++++++
 drivers/media/platform/qcom/camss/camss.h          |   1 +
 9 files changed, 1248 insertions(+), 4 deletions(-)
---
base-commit: b25f15a8600145233c948b40cab6d7d57bac3076
change-id: 20251126-add-support-for-camss-on-sm8750-506c4de36d88
prerequisite-change-id: 20260112-kaanapali-camss-73772d44eff7:v13
prerequisite-patch-id: 03f9fe5d9a18559572b9a56c3b1f0fb86109f4f2
prerequisite-patch-id: 5fbe09dec4a5448b016a6bd1d36473727bdbd485
prerequisite-patch-id: 8f832b0d20f4272e7fb7ec96aaa1eff5fbf92a65
prerequisite-patch-id: eab12388eeba7173c9c6eb2e49e20a9913c66287
prerequisite-patch-id: ae1a617c1a945eb6bea854318fb570b9a1e1be9c

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