[U-Boot] [PATCH v2 1/1] arm/ls102xa:add hwconfig setting to support disable unused devices.

[York Sun]

On 08/17/2015 05:55 AM, Zhuoyu Zhang wrote:
> DEVDISRn registers provides a mechanism for gating clocks of IP blocks
> that are not used. Here we implement hwconfig option to allow users
> to disable unused peripherals on the board.
> 
> For ex. If eSDHC/qDMA/eDMA are unused and with disabled status in dts,
> User can enable CONFIG_FSL_DEVICE_DISABLE and set "devdis:esdhc,qdma,edma"
> in hwconfig, thus ESDHC controller & eDMA/qDMA will be clock gated to
> save more power.
> 
> Signed-off-by: Zhuoyu Zhang <Zhuoyu.Zhang at freescale.com>
> ---
> Change log:
>  v2 use CONFIG_FSL_DEVICE_DISABLE instead of CONFIG_DEVICE_DISABLE.

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Applied to fsl-qoriq master branch. Awaiting upstream.

York