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phy: mediatek: Add PCIe PHY driver

From:  Jianjun Wang <jianjun.wang-AT-mediatek.com>
To:  Chunfeng Yun <chunfeng.yun-AT-mediatek.com>, Kishon Vijay Abraham I <kishon-AT-ti.com>, Vinod Koul <vkoul-AT-kernel.org>, Rob Herring <robh+dt-AT-kernel.org>, Matthias Brugger <matthias.bgg-AT-gmail.com>, Chen-Yu Tsai <wenst-AT-chromium.org>, AngeloGioacchino Del Regno <angelogioacchino.delregno-AT-collabora.com>, Krzysztof Kozlowski <krzk-AT-kernel.org>
Subject:  [PATCH v8 0/2] phy: mediatek: Add PCIe PHY driver
Date:  Sat, 07 May 2022 14:06:19 +0800
Message-ID:  <20220507060621.32252-1-jianjun.wang@mediatek.com>
Cc:  Wei-Shun Chang <weishunc-AT-google.com>, Jianjun Wang <jianjun.wang-AT-mediatek.com>, <linux-arm-kernel-AT-lists.infradead.org>, <linux-mediatek-AT-lists.infradead.org>, <linux-phy-AT-lists.infradead.org>, <devicetree-AT-vger.kernel.org>, <linux-kernel-AT-vger.kernel.org>, <rex-bc.chen-AT-mediatek.com>, <randy.wu-AT-mediatek.com>, <jieyy.yang-AT-mediatek.com>, <chuanjia.liu-AT-mediatek.com>, <qizhong.cheng-AT-mediatek.com>, <jian.yang-AT-mediatek.com>
Archive-link:  Article

These series patches add support for PCIe PHY driver on MediaTek chipsets.

Changes in v8:
1. Use "device_property_present()" to increase human readability;
2. Use "GPL" instead of "GPL v2" in MODULE_LICENSE as suggested in
   checkpatch.pl.

Changes in v7:
1. Add bitfield.h header to fix the build error on non-arm64 platforms.

Changes in v6:
1. Remove unnecessary header files;
2. Use FILELD_PREP in bitfield.h to set value.

Changes in v5:
1. Fix typo in kerneldoc: "eFues" => "eFuse".

Changes in v4:
1. Fix no return when calling dev_err_probe.

Changes in v3:
1. Add introductions for structure members;
2. Add SoC dependent data;
3. Dynamically allocate efuse data;
4. Check return value if it's an -EPROBE_DEFER.

Changes in v2:
1. Add specific compatible name;
2. Read NVMEM data at probe time;
3. Fix typos.

Jianjun Wang (2):
  dt-bindings: phy: mediatek: Add YAML schema for PCIe PHY
  phy: mediatek: Add PCIe PHY driver

 .../bindings/phy/mediatek,pcie-phy.yaml       |  75 +++++
 drivers/phy/mediatek/Kconfig                  |  11 +
 drivers/phy/mediatek/Makefile                 |   1 +
 drivers/phy/mediatek/phy-mtk-pcie.c           | 267 ++++++++++++++++++
 4 files changed, 354 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/phy/mediatek,pcie-phy.yaml
 create mode 100644 drivers/phy/mediatek/phy-mtk-pcie.c

-- 
2.18.0



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