mmc: Add SDIO function subnode DT documentation

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While SDIO devices are runtime probable they sometimes need nonprobable
additional information on embedded systems, like an additional gpio
interrupt or a clock. This binding describes how to add child nodes to the
devicetree to supply this information.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
[hdegoede@redhat.com: Documented the need for #address- and #size-cells]
[hdegoede@redhat.com: Added a real world example]
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

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Sascha Hauer 2014-06-30 11:07:24 +02:00 • committed by Ulf Hansson

parent 9b449e9992

commit a31edf1e58

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Documentation/devicetree/bindings/mmc/mmc.txt

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