This patch series fixes mvebu-uart driver used on Marvell Armada 37xx boards and add support for baudrates higher than 230400. Pali Rohár (10): serial: mvebu-uart: fix calculation of clock divisor serial: mvebu-uart: do not allow changing baudrate when uartclk is not available serial: mvebu-uart: correctly calculate minimal possible baudrate dt-bindings: mvebu-uart: fix documentation arm64: dts: marvell: armada-37xx: Fix reg for standard variant of UART serial: mvebu-uart: remove unused member nb from struct mvebu_uart 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 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.txt | 24 + .../devicetree/bindings/serial/mvebu-uart.txt | 15 +- .../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 | 17 +- drivers/tty/serial/mvebu-uart.c | 603 +++++++++++++++++- 8 files changed, 645 insertions(+), 30 deletions(-) create mode 100644 Documentation/devicetree/bindings/clock/armada3700-uart-clock.txt -- 2.20.1