[version 2] amba uarts - arm type uarts fifo size provided by device tree

Jorge Ramirez-Ortiz jorge.ramirez-ortiz at linaro.org
Wed Mar 4 12:52:59 PST 2015

On 03/03/2015 11:55 AM, Mark Rutland wrote:
> On Wed, Feb 18, 2015 at 08:07:47PM +0000, Jorge Ramirez-Ortiz wrote:
>> [PATCH 1/2] Documentation: bindings: add optional fifo size property
>> [PATCH 2/2] drivers/tty: pl011: read fifo size from OF if present [updated]
>> These patches aim at resolving an issue present on some of the amba pl011 uarts.
>> They were developed for the Hisilicon Hi6220 SoC where the fifo size on the
>> uarts is 64 despite the amba revision having been set to 1. 
> Are we certain that the FIFO length is the only difference between the
> HI6220 PL011 and a regular PL011?

I am trying to get an answer from the hardware designers.

> It may be worth adding a compatible string in addition, just in case.
> Mark.

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