[PATCH v6 0/6] serial: mvebu-uart: Support for higher baudrates

From: Pali Rohár
Date: Wed Sep 29 2021 - 04:23:00 EST


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

Changes in v6:
* fixed yaml binding file and dts files

Changes in v5:
* fixed yaml binding file

Changes in v4:
* converted armada3700-uart-clock documentation to YAML
* split documentation changes into two commits:
- first which adds clock documentation
- second which updates UART documentation

Changes in v3:
v3 is rebased on top of Linus master branch and all already applied patches
were dropped. There are no changes in patches itself since v2.

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 | 56 ++
.../devicetree/bindings/serial/mvebu-uart.txt | 9 +-
arch/arm64/boot/dts/marvell/armada-37xx.dtsi | 14 +-
drivers/tty/serial/Kconfig | 1 +
drivers/tty/serial/mvebu-uart.c | 592 +++++++++++++++++-
include/linux/math64.h | 13 +
6 files changed, 664 insertions(+), 21 deletions(-)
create mode 100644 Documentation/devicetree/bindings/clock/armada3700-uart-clock.yaml

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2.20.1