linux-kernel - [PATCH v4 0/7] sm8550: Add support for eUSB2 repeater

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Message-Id: <20230207135551.1418637-1-abel.vesa@linaro.org>
Date:   Tue,  7 Feb 2023 15:55:44 +0200
From:   Abel Vesa <abel.vesa@...aro.org>
To:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Lee Jones <lee@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        "vkoul@...nel.org" <vkoul@...nel.org>,
        Kishon Vijay Abraham I <kishon@...nel.org>,
        Johan Hovold <johan+linaro@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, linux-phy@...ts.infradead.org,
        devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH v4 0/7] sm8550: Add support for eUSB2 repeater

This patchset adds support for the eUSB2 repeater found in pmic PM8550B,
used along with SM8550. Since there is no dedicated generic framework
for eUSB2 repeaters, the most appropriate subsystem to model it is the
generic phy. This patchset also adds support for such repeater to the
eUSB2 PHY found in SM8550. Basically, the eUSB2 PHY will have its own
"phy" which is actually a repeater.

This patchset is based on the following patchset:
https://lore.kernel.org/all/20230207114024.944314-1-abel.vesa@linaro.org

Changes since v3:
 * This time is a normal patchset, rather than an RFC
 * reversed the order of patches 1 and 2, in order to make the repeater
   schema available for the pmic schema update

Changes since v2:
 * moved the bindings qcom,spmi-pmic patch before the repeater schema
   patch in order to avoid the repeater schema validation failure due to
   phy pattern property not being found in qcom,spmi-pmic schema

Changes since v1:
 * the repeater driver is implemented now as a PHY rather than adding
   a new generic framework for USB repeaters

Abel Vesa (5):
  dt-bindings: phy: Add qcom,snps-eusb2-repeater schema file
  dt-bindings: mfd: qcom,spmi-pmic: Add pattern property for phy
  dt-bindings: phy: qcom,snps-eusb2-phy: Add phys property for the
    repeater
  phy: qcom: Add QCOM SNPS eUSB2 repeater driver
  arm64: dts: qcom: sm8550-mtp: Add eUSB2 repeater node

Neil Armstrong (2):
  phy: qcom: phy-qcom-snps-eusb2: Add support for eUSB2 repeater
  arm64: dts: qcom: pm8550b: Add eUSB2 repeater node

 .../bindings/mfd/qcom,spmi-pmic.yaml          |   4 +
 .../bindings/phy/qcom,snps-eusb2-phy.yaml     |   5 +
 .../phy/qcom,snps-eusb2-repeater.yaml         |  48 ++++
 arch/arm64/boot/dts/qcom/pm8550b.dtsi         |   6 +
 arch/arm64/boot/dts/qcom/sm8550-mtp.dts       |   7 +
 drivers/phy/qualcomm/Kconfig                  |   9 +
 drivers/phy/qualcomm/Makefile                 |   1 +
 .../phy/qualcomm/phy-qcom-eusb2-repeater.c    | 259 ++++++++++++++++++
 drivers/phy/qualcomm/phy-qcom-snps-eusb2.c    |  19 +-
 9 files changed, 357 insertions(+), 1 deletion(-)
 create mode 100644 Documentation/devicetree/bindings/phy/qcom,snps-eusb2-repeater.yaml
 create mode 100644 drivers/phy/qualcomm/phy-qcom-eusb2-repeater.c

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2.34.1