[U-Boot] [PATCH v2 2/3] board: am335x-icev2: add ethernet phy mode detection logic

[Tom Rini]

On Wed, Aug 24, 2016 at 03:35:50PM +0300, Roger Quadros wrote:

> Both ethernet ports can be used as CPSW ethernet (RMII mode)
> or PRU ethernet (MII mode) by setting the jumper near the port.
> Read the jumper value and set the pinmux, external mux and
> PHY clock accordingly.
> 
> As jumper line is overridden by PHY RX_DV pin immediately
> after bootstrap (power-up/reset), we have to use GPIO edge
> detection to capture the jumper line status.
> 
> As u-boot doesn't provide any infrastructure for GPIO edge
> detection, we directly access the GPIO registers.
> 
> Signed-off-by: Roger Quadros <rogerq at ti.com>

Reviewed-by: Tom Rini <trini at konsulko.com>

-- 
Tom
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