linux-kernel - [PATCH v5 0/3] Add MT8195 HDMI phy support

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Message-Id: <20220919-v5-0-cfb0e5ad29b2@baylibre.com>
Date:   Fri, 27 Jan 2023 16:55:07 +0100
From:   Guillaume Ranquet <granquet@...libre.com>
To:     Vinod Koul <vkoul@...nel.org>, Jitao shi <jitao.shi@...iatek.com>,
        Kishon Vijay Abraham I <kishon@...com>,
        Daniel Vetter <daniel@...ll.ch>,
        Matthias Brugger <matthias.bgg@...il.com>,
        Chunfeng Yun <chunfeng.yun@...iatek.com>,
        Chun-Kuang Hu <chunkuang.hu@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        David Airlie <airlied@...il.com>,
        Philipp Zabel <p.zabel@...gutronix.de>,
        Rob Herring <robh+dt@...nel.org>, CK Hu <ck.hu@...iatek.com>
Cc:     linux-mediatek@...ts.infradead.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        mac.shen@...iatek.com,
        Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        linux-phy@...ts.infradead.org,
        Guillaume Ranquet <granquet@...libre.com>,
        devicetree@...r.kernel.org,
        AngeloGioacchino Del Regno 
        <angelogioacchino.delregno@...labora.com>, stuart.lee@...iatek.com
Subject: [PATCH v5 0/3] Add MT8195 HDMI phy support

Add support for HDMI phy on MT8195.

This is split from the previous v3 to contain only the phy related
changes to the HDMI support for mt8195 as suggested by Vinod.

This is based on top of next-20221121

To: Chunfeng Yun <chunfeng.yun@...iatek.com>
To: Kishon Vijay Abraham I <kishon@...com>
To: Vinod Koul <vkoul@...nel.org>
To: Rob Herring <robh+dt@...nel.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
To: Matthias Brugger <matthias.bgg@...il.com>
To: Chun-Kuang Hu <chunkuang.hu@...nel.org>
To: Philipp Zabel <p.zabel@...gutronix.de>
To: David Airlie <airlied@...il.com>
To: Daniel Vetter <daniel@...ll.ch>
To: CK Hu <ck.hu@...iatek.com>
To: Jitao shi <jitao.shi@...iatek.com>
Cc: linux-arm-kernel@...ts.infradead.org
Cc: linux-mediatek@...ts.infradead.org
Cc: linux-phy@...ts.infradead.org
Cc: devicetree@...r.kernel.org
Cc: linux-kernel@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: mac.shen@...iatek.com
CC: stuart.lee@...iatek.com
Signed-off-by: Guillaume Ranquet <granquet@...libre.com>
---
Changes in v5:
- Adapt clock bit ratio when TMDS is over 340M
- Used sized integers for register read/writes
- Removed useless comments
- Shortened function names
- 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         | 523 +++++++++++++++++++++
 drivers/phy/mediatek/phy-mtk-hdmi-mt8195.h         | 111 +++++
 drivers/phy/mediatek/phy-mtk-hdmi.c                |  15 +
 drivers/phy/mediatek/phy-mtk-hdmi.h                |   3 +
 6 files changed, 654 insertions(+)
---
base-commit: e2f86c02fdc96ca29ced53221a3cbf50aa6f8b49
change-id: 20220919-hdmi_mtk

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