From 5b1a3b4c9d675d33db710f8e098721a33c7946e0 Mon Sep 17 00:00:00 2001
From: George Chan <gchan9527@gmail.com>
Date: Fri, 21 Jun 2024 17:21:11 +0800
Subject: [PATCH] Add sc7180 camss subsys support

SM7125 is the SoC found in the Xiaomi Redmi Note 9 Pro(joyeuse) cellphone.
This series adds support to bring up the CSIPHY, CSID, VFE/RDI interfaces.

Since SM7125 is a low-speed variant of SC7180, SC7180 testers please
take a look and have a test as well.

sc7180 provides

- 2 x VFE
- 1 x VFE Lite
- 2 x CSID
- 1 x CSID Lite
- 4 x CSI PHY

The sc7180-camss binding should be comaptible with sdm845 yaml.
I've copied a new yaml from sdm845-camss.yaml, strip all _src clk and
put new maintainer information. If this is not desirable then i can add binding to
existing sdm845 yaml instead.

In addition, a bootable tree of sm7125/joyeuse is availble at:
https://github.com/99degree/linux/tree/camss


To: Robert Foss <rfoss@kernel.org>
To: Todor Tomov <todor.too@gmail.com>
To: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
To: Mauro Carvalho Chehab <mchehab@kernel.org>
To: Rob Herring <robh@kernel.org>
To: Krzysztof Kozlowski <krzk+dt@kernel.org>
To: Conor Dooley <conor+dt@kernel.org>
To: cros-qcom-dts-watchers@chromium.org
To: Bjorn Andersson <andersson@kernel.org>
To: Konrad Dybcio <konrad.dybcio@linaro.org>
Cc: linux-media@vger.kernel.org
Cc: linux-arm-msm@vger.kernel.org
Cc: devicetree@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Signed-off-by: George Chan <gchan9527@gmail.com>

---
Changes in v2:
- Revised dt-binding as stated by krzk
- Added dt-binding item power-domain-name as stated by Bryan
- Combine patch #2 and #3 as stated by krzk and Bryan
- Split eror-print log for clk name from patch #5 as suggested by Konrad
- Reformat dt-node of camss as stated by krzk
- Corrected phy init sequence for v1.2.2 as spot by Bryan
- Added 3 more debug info for missing clk and low clk-rate issue.
- Adding port info to ports sub-node
- Adding required-opps node to dt
- Link to v1: https://lore.kernel.org/r/20240621-b4-sc7180-camss-v1-0-14937929f30e@gmail.com

--- b4-submit-tracking ---
# This section is used internally by b4 prep for tracking purposes.
{
  "series": {
    "revision": 2,
    "change-id": "20240621-b4-sc7180-camss-cddc6b60a9b4",
    "prefixes": [],
    "history": {
      "v1": [
        "20240621-b4-sc7180-camss-v1-0-14937929f30e@gmail.com"
      ]
    }
  }
}