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[v2,0/6] arm64: meson: Add support for USB on Amlogic A1

Message ID 1576636944-196192-1-git-send-email-hanjie.lin@amlogic.com (mailing list archive)
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Series arm64: meson: Add support for USB on Amlogic A1 | expand

Message

Hanjie Lin Dec. 18, 2019, 2:42 a.m. UTC 
This patchset adds support for USB on Amlogic A1 SoCs.

This patchset is composed with :
- bindings of the PHY
- bindings of the USB Control Glue
- PHY Driver
- USB Control Glue driver
- dts of the PHY
- dts of the USB Controller

The Amlogic A1 USB Complex is composed of :
- 1 DWC3 USB controller for USB2 Host functionality
- 1 USB2 PHY for USB2 Host functionality

The USB Control Glue setups the clocks and the reset about DWC3 USB
controller, and binds to the USB2 PHY. It also configures the 8bit
UTMI interfaces for the USB2 PHY, including setting USB2 phy mode.

The USB2 PHY driver initializes the phy analog settings, phy PLL 
setup and phy tuning.

This patchset is based on A1 clock/power domain/reset series at [0].

Changes since v1:[1]
 - integrate glue and phy drivers into g12a's

[0]
https://patchwork.kernel.org/project/linux-amlogic/list/?series=185477
https://patchwork.kernel.org/project/linux-amlogic/list/?series=180055
https://patchwork.kernel.org/project/linux-amlogic/list/?series=189643

[1] : https://lore.kernel.org/linux-amlogic/1574405757-76184-1-git-send-email-hanjie.lin@amlogic.com/

Hanjie Lin (6):
  dt-bindings: phy: Add Amlogic A1 USB2 PHY Bindings
  dt-bindings: usb: dwc3: Add the Amlogic A1 Family DWC3 Glue Bindings
  phy: amlogic: Add Amlogic A1 USB2 PHY Driver
  usb: dwc3: Add Amlogic A1 DWC3 glue
  arm64: dts: meson: a1: Enable USB2 PHY
  arm64: dts: meson: a1: Enable DWC3 controller

 .../bindings/phy/amlogic,meson-a1-usb2-phy.yaml    |  55 +++++++++++
 .../bindings/usb/amlogic,meson-g12a-usb-ctrl.yaml  |  32 +++++++
 arch/arm64/boot/dts/amlogic/meson-a1.dtsi          |  44 +++++++++
 drivers/phy/amlogic/phy-meson-g12a-usb2.c          | 102 +++++++++++++++------
 drivers/usb/dwc3/dwc3-meson-g12a.c                 |  69 ++++++++++----
 5 files changed, 254 insertions(+), 48 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/phy/amlogic,meson-a1-usb2-phy.yaml