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[RESEND,v5,0/6] serial: mvebu-uart: Support for higher baudrates

Message ID 20210922105433.11744-1-pali@kernel.org (mailing list archive)
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Series serial: mvebu-uart: Support for higher baudrates | expand

Message

Pali Rohár Sept. 22, 2021, 10:54 a.m. UTC 
Per Greg's request I'm resending this patch series, please review it:
https://lore.kernel.org/linux-serial/YUmMli6LA%2F7Ew3hD@kroah.com/

This patch series add support for baudrates higher than 230400 on
Marvell Armada 37xx boards.

Pali Rohár (6):
  math64: New DIV_U64_ROUND_CLOSEST helper
  serial: mvebu-uart: implement UART clock driver for configuring UART
    base clock
  dt-bindings: mvebu-uart: document DT bindings for
    marvell,armada-3700-uart-clock
  dt-bindings: mvebu-uart: update information about UART clock
  arm64: dts: marvell: armada-37xx: add device node for UART clock and
    use it
  serial: mvebu-uart: implement support for baudrates higher than 230400

 .../bindings/clock/armada3700-uart-clock.yaml |  57 ++
 .../devicetree/bindings/serial/mvebu-uart.txt |   9 +-
 .../arm64/boot/dts/marvell/armada-3720-db.dts |   4 +
 .../dts/marvell/armada-3720-espressobin.dtsi  |   4 +
 .../dts/marvell/armada-3720-turris-mox.dts    |   4 +
 .../boot/dts/marvell/armada-3720-uDPU.dts     |   4 +
 arch/arm64/boot/dts/marvell/armada-37xx.dtsi  |  15 +-
 drivers/tty/serial/Kconfig                    |   1 +
 drivers/tty/serial/mvebu-uart.c               | 592 +++++++++++++++++-
 include/linux/math64.h                        |  13 +
 10 files changed, 682 insertions(+), 21 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/clock/armada3700-uart-clock.yaml