[U-Boot] [U-Boot, u-boot, v4, 05/10] board: ti: am571x-idk: Support 6 port Ethernet or 4 port Ethernet with LCD

[Tom Rini]

On Mon, Mar 13, 2017 at 03:04:28PM +0200, Roger Quadros wrote:

> The board can support either ICSS1 Ethernet ports or LCD
> based on J51 jumper. Factory default is ICSS1 Ethernet ports
> (i.e. Jumper not populated).
> 
> Use the GPIO to detect the jumper setting and configure the
> pinmux accordingly. Also select the right DT blob based on
> the chosen configuration.
> 
> J51 absent -> ICSS1 Ethernet, no LCD on VOUT -> am571x-idk.dtb
> J51 present -> LCD on VOUT, no ICSS1 Ethernet -> am571x-idk-lcd-osd.dtb
> 
> At present we only support the assume it is the Legacy LCD.
> LCD detection mechanism needs to be added later to differentiate
> between legacy vs new LCD.
> 
> For ICSS1 Ethernet pins use the following convention to set the pinmux
> as PMT data is not yet finalized.
> 
> - If pin is output, set as PIN_OUTPUT
> - If pin is input and external pull resistor present set as PIN_INPUT
> - If pin is input and external pull resistor absent, set pull to same
> as that of the external PHY's internall pull.
> - Do not use SLEW_CONTROLon any pin.
> 
> Cc: Nishanth Menon <nm at ti.com>
> Signed-off-by: Roger Quadros <rogerq at ti.com>
> Reviewed-by: Tom Rini <trini at konsulko.com>
> Reviewed-by: Lokesh Vutla <lokeshvutla at ti.com>

Applied to u-boot/master, thanks!

-- 
Tom
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