linux-kernel - [PATCH v7 0/3] Add MT8195 HDMI phy support

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Date:   Mon, 13 Feb 2023 12:33:31 +0100
From:   Guillaume Ranquet <granquet@...libre.com>
To:     Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Vinod Koul <vkoul@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        David Airlie <airlied@...il.com>,
        Daniel Vetter <daniel@...ll.ch>, CK Hu <ck.hu@...iatek.com>,
        Jitao shi <jitao.shi@...iatek.com>
Cc:     linux-arm-kernel@...ts.infradead.org,
        linux-mediatek@...ts.infradead.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, mac.shen@...iatek.com,
        stuart.lee@...iatek.com, Guillaume Ranquet <granquet@...libre.com>
Subject: [PATCH v7 0/3] Add MT8195 HDMI phy support

Add support for HDMI phy on MT8195.

This is based on top of next-20230213

Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
---
Changes in v7:
- Removed lkp reported-by trailer
- Fixed checkpatch --strict warnings/checks (besides two lines at 102
  chars instead of 100)
- Used constants where applicable as suggested by Vinod in v6 review
- Link to v6: https://lore.kernel.org/r/20220919-v6-0-2f641c422cb6@baylibre.com

Changes in v6:
- Adapt clock bit ratio when TMDS is over 340M
- Used sized integers for register read/writes
- Removed useless comments
- Shortened function names
- Link to v5: https://lore.kernel.org/r/20220919-v5-0-f346444bc459@baylibre.com

Changes in v5:
- Fix compilation errors on 32 bits platform with no support for __udivdi3.
    Compile tested on mips with gcc-12
- Link to v4: https://lore.kernel.org/r/20220919-v4-0-bdc21e1307e9@baylibre.com

Changes in v4:
- Dedicated series for HDMI phy support (without the drm/ related
  changes)
- Removed useless variable initializations in phy driver
- Link to v3: https://lore.kernel.org/r/20220919-v3-0-a803f2660127@baylibre.com

Changes in v3:
- phy: Grouped register and bit definition together to add clarity
- dt-bindings: Addressed comments
- Link to v2: https://lore.kernel.org/r/20220919-v2-0-8419dcf4f09d@baylibre.com

Changes in v2:
- Removed syscon requirement from the hdmi node
- Use as much as possible bit FIELD_PREP/FIELD_GET macros across all the
  patches
- Make cec optional dynamically instead of hardcoded with a flag
- Renamed hdmi variants to v1 (legacy) and v2 (mt8195) while waiting for
  a better name
- Rework hdmi v2 code to use a connector (same as v1)
- Remove "magic" 0x43 addr special handling in hdmi ddc code
- Link to v1: https://lore.kernel.org/r/20220919-v1-0-4844816c9808@baylibre.com

---
Guillaume Ranquet (3):
      dt-bindings: phy: mediatek: hdmi-phy: Add mt8195 compatible
      phy: phy-mtk-hdmi: Add generic phy configure callback
      phy: mediatek: add support for phy-mtk-hdmi-mt8195

 .../devicetree/bindings/phy/mediatek,hdmi-phy.yaml |   1 +
 drivers/phy/mediatek/Makefile                      |   1 +
 drivers/phy/mediatek/phy-mtk-hdmi-mt8195.c         | 509 +++++++++++++++++++++
 drivers/phy/mediatek/phy-mtk-hdmi-mt8195.h         | 113 +++++
 drivers/phy/mediatek/phy-mtk-hdmi.c                |  15 +
 drivers/phy/mediatek/phy-mtk-hdmi.h                |   3 +
 6 files changed, 642 insertions(+)
---
base-commit: 09e41676e35ab06e4bce8870ea3bf1f191c3cb90
change-id: 20220919-hdmi_mtk

Best regards,
-- 
Guillaume Ranquet <granquet@...libre.com>