Re: [PATCH v2 0/4] soc: qcom: Introduce PMIC GLINK

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On 13/01/2023 04:11, Bjorn Andersson wrote:
This implements the base PMIC GLINK driver, a power_supply driver and a
driver for the USB Type-C altmode protocol. This has been tested and
shown to provide battery information, USB Type-C switch and mux requests
and DisplayPort notifications on SC8180X, SC8280XP and SM8350.

Bjorn Andersson (4):
   dt-bindings: soc: qcom: Introduce PMIC GLINK binding
   soc: qcom: pmic_glink: Introduce base PMIC GLINK driver
   soc: qcom: pmic_glink: Introduce altmode support
   power: supply: Introduce Qualcomm PMIC GLINK power supply

  .../bindings/soc/qcom/qcom,pmic-glink.yaml    |  102 ++
  drivers/power/supply/Kconfig                  |    9 +
  drivers/power/supply/Makefile                 |    1 +
  drivers/power/supply/qcom_battmgr.c           | 1421 +++++++++++++++++
  drivers/soc/qcom/Kconfig                      |   15 +
  drivers/soc/qcom/Makefile                     |    2 +
  drivers/soc/qcom/pmic_glink.c                 |  336 ++++
  drivers/soc/qcom/pmic_glink_altmode.c         |  477 ++++++
  include/linux/soc/qcom/pmic_glink.h           |   32 +
  9 files changed, 2395 insertions(+)
  create mode 100644 Documentation/devicetree/bindings/soc/qcom/qcom,pmic-glink.yaml
  create mode 100644 drivers/power/supply/qcom_battmgr.c
  create mode 100644 drivers/soc/qcom/pmic_glink.c
  create mode 100644 drivers/soc/qcom/pmic_glink_altmode.c
  create mode 100644 include/linux/soc/qcom/pmic_glink.h


How does the USB PHY and a USB redriver fit into this ?

Is the host supposed to manage both/neither ? Is the DSP responsible for configuring the PHY lanes and the turnaround on orientation switch ?

---
bod



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