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[v2,0/4] usb: dwc2: add optional clock used on stm32mp15

Message ID 20230414084137.1050487-1-fabrice.gasnier@foss.st.com
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Series usb: dwc2: add optional clock used on stm32mp15 | expand

Message

Fabrice Gasnier April 14, 2023, 8:41 a.m. UTC 
This series introduces an optional utmi clock that is used on stm32mp15,
in particular when using integrated full-speed PHY, managed by GGPIO
register.
A pre-cursor change improves error handling in the platform code.
---
Changes in v2:
- "utmi_clk" renamed "utmi" as per Krzysztof comment on dt-bindings

Fabrice Gasnier (4):
  usb: dwc2: improve error handling in __dwc2_lowlevel_hw_enable
  dt-bindings: usb: dwc2: add utmi optional clock
  usb: dwc2: platform: add support for utmi optional clock
  ARM: dts: stm32: add USB OTG UTMI clock on stm32mp151

 .../devicetree/bindings/usb/dwc2.yaml         |  5 ++-
 arch/arm/boot/dts/stm32mp151.dtsi             |  4 +-
 drivers/usb/dwc2/core.h                       |  2 +
 drivers/usb/dwc2/platform.c                   | 37 ++++++++++++++++++-
 4 files changed, 43 insertions(+), 5 deletions(-)