dt-bindings: pinctrl: qcom,tlmm-common: add common check for function

Certain pins, like SDcard related, do not have functions and such should
not be required.  Add a check for this in common Qualcomm TLMM pin
controller schema.

Reviewed-by: Bjorn Andersson <[email protected]>
Reviewed-by: Stephan Gerhold <[email protected]>
Reviewed-by: Rob Herring <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Krzysztof Kozlowski <[email protected]>

0 files changed, 0 insertions, 0 deletions