Existing Qualcomm SoCs have the LPASS pin controller slew rate controlOnly because I know it'll be used soon:
in separate register, however this will change with upcoming Qualcomm
SoCs. The slew rate will be part of the main register for pin
configuration, thus second device IO address space is not needed.
Prepare for supporting new SoCs by adding flag customizing the driver
behavior for slew rate.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@xxxxxxxxxx>
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Changes in v2:
1. Reversed xmas tree
v1: https://lore.kernel.org/all/20230901090224.27770-1-krzysztof.kozlowski@xxxxxxxxxx/
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