u-boot/doc/device-tree-bindings/serial/ns16550.txt
Simon Glass 12e431b277 dm: serial: Add driver model support for ns16550
Add driver model support so that ns16550 can support operation both with
and without driver model.

The driver needs a clock frequency so cannot stand alone unfortunately. The
clock frequency must be provided by a separate driver.

Signed-off-by: Simon Glass <sjg@chromium.org>
2014-09-10 13:00:01 -06:00

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NS16550 UART
This UART driver supports many chip variants and is used in mamy SoCs.
Required properties:
- compatible: "ns16550" or "nvidia,tegra20-uart"
- reg: start address and size of registers
- reg-shift: shift value indicating register size: 0=byte, 1=16bit,2=32bit etc.
- clock-frequency: input clock frequency for the UART (used to calculate the
baud rate divisor)