linux-kernel - [PATCH 0/4] CAMSS support for MSM8939

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Message-Id: <20250520-camss-8x39-vbif-v1-0-a12cd6006af9@mailoo.org>
Date: Tue, 20 May 2025 20:39:05 +0200
From: Vincent Knecht via B4 Relay <devnull+vincent.knecht.mailoo.org@...nel.org>
To: Robert Foss <rfoss@...nel.org>, Todor Tomov <todor.too@...il.com>, 
 Bryan O'Donoghue <bryan.odonoghue@...aro.org>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, Rob Herring <robh@...nel.org>, 
 Krzysztof Kozlowski <krzk+dt@...nel.org>, 
 Conor Dooley <conor+dt@...nel.org>, Bjorn Andersson <andersson@...nel.org>, 
 Konrad Dybcio <konradybcio@...nel.org>
Cc: linux-kernel@...r.kernel.org, linux-media@...r.kernel.org, 
 linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
 André Apitzsch <git@...tzsch.eu>, 
 phone-devel@...r.kernel.org, ~postmarketos/upstreaming@...ts.sr.ht, 
 Vincent Knecht <vincent.knecht@...loo.org>
Subject: [PATCH 0/4] CAMSS support for MSM8939

This series adds CAMSS support for MSM8939.
It's mostly identical to MSM8916, except for some clocks
and an additional CSI.

To fix black stripes across sensor output, and garbage in
CSID TPG output, 2 VFE VBIF register settings are needed.
So the 1st patch adds helper functions to do just that.

Patch 1: adds helper for VFE VBIF settings
Patch 2: adds CAMSS_8x39 version in CAMSS driver
Patch 3: documents qcom,msm8939-camss DT bindings
Patch 4: adds camss and cci in msm8939.dtsi

Signed-off-by: Vincent Knecht <vincent.knecht@...loo.org>
---
Vincent Knecht (4):
      media: qcom: camss: vfe: Add VBIF setting support
      media: qcom: camss: Add support for MSM8939
      media: dt-bindings: Add qcom,msm8939-camss
      arm64: dts: qcom: msm8939: Add camss and cci

 .../bindings/media/qcom,msm8939-camss.yaml         | 269 +++++++++++++++++++++
 arch/arm64/boot/dts/qcom/msm8939-pm8916.dtsi       |   4 +
 arch/arm64/boot/dts/qcom/msm8939.dtsi              | 152 ++++++++++++
 drivers/media/platform/qcom/camss/Makefile         |   1 +
 drivers/media/platform/qcom/camss/camss-csiphy.c   |   1 +
 drivers/media/platform/qcom/camss/camss-ispif.c    |   8 +-
 drivers/media/platform/qcom/camss/camss-vfe-4-1.c  |  11 +
 drivers/media/platform/qcom/camss/camss-vfe-vbif.c |  37 +++
 drivers/media/platform/qcom/camss/camss-vfe-vbif.h |  19 ++
 drivers/media/platform/qcom/camss/camss-vfe.c      |  10 +
 drivers/media/platform/qcom/camss/camss-vfe.h      |   3 +
 drivers/media/platform/qcom/camss/camss.c          | 157 ++++++++++++
 drivers/media/platform/qcom/camss/camss.h          |   1 +
 13 files changed, 671 insertions(+), 2 deletions(-)
---
base-commit: 8566fc3b96539e3235909d6bdda198e1282beaed
change-id: 20250517-camss-8x39-vbif-975ff5819198

Best regards,
-- 
Vincent Knecht <vincent.knecht@...loo.org>