Re: [PATCH 0/3] DT labels for connector device mapping

[Olof Johansson <olof-nZhT3qVonbNeoWH0uzbU5w@public.gmane.org>]

On Thu, Dec 10, 2015 at 03:21:10PM -0600, Rob Herring wrote:
> Having a common connector interface across different platforms can be 
> problematic for determining which SOC device is connected to which 
> connector pins. The standard DT property "label" is intended to provide 
> a human readable name for a device and can be used to provide this 
> information. Then userspace can can read the label to determine the 
> device mapping. For example:
> 
> for f in $(ls -d /sys/class/tty/tty*); do
>   label=$(cat $f/device/of_node/label)
>   if [ "$label" = "LS-UART1" ]; then
>     # you've found UART1, so do something with it.
>     # $f/dev is the major:minor for the /dev node
>   fi
> done
> 
> This series adds labels on hikey and dragonboard 410c devices for the 
> low speed and high speed connectors. Not tested at all.
> 
> BTW, there are no platform maintainers listed for these files. Setting 
> them should be enforced for the dts files as DT maintainers mainly 
> review binding docs, not dts files.
> 
> Rob
> 
> Rob Herring (3):
>   arm64: dts: apq8016-sbc: enable UART0 on LS connector
>   arm64: dts: apq8016-sbc: add label properties for UART, I2C, and SPI
>   arm64: dts: hikey: add label properties to UARTs

Applied all 3 to next/dt64.


-Olof

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