[U-Boot] [U-Boot, v3, 03/13] ns16550: add generic binding to unify the drivers

[Tom Rini]

On Thu, Nov 19, 2015 at 09:48:05PM +0800, Thomas Chou wrote:

> Add generic binding to unify ns16550 drivers. There are
> several drivers using almost the same code, such as serial_dw,
> serial_keystone, serial_omap, serial_ppc, serial_rockchip,
> serial_tegra.c, and serial_x86. But each is platform specific.
> 
> The key difference between these drivers is the way to get
> input clock frequency. With this unified approach, fixed clock
> frequency should be extracted from "clock-frequency" property of
> device tree blob. If this property is not available, the macro
> CONFIG_SYS_NS16550_CLK will be used. It can be a constant or a
> function to get clock, eg, get_serial_clock().
> 
> Signed-off-by: Thomas Chou <thomas at wytron.com.tw>
> Reviewed-by: Tom Rini <trini at konsulko.com>
> Reviewed-by: Bin Meng <bmeng.cn at gmail.com>
> Reviewed-by: Heiko Schocher <hs at denx.de>
> Acked-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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