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pinctrl: baytrail: Add pin control operations

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Add implementation for:
- pin control, group information retrieval: count, name and pins
- pin muxing:
  - function information (count, name and groups)
  - mux setting
  - gpio control (enable, disable, set direction)
- pin configuration:
  - pull disable
  - pull up/down and pull strength
  - debounce
  - any other option is treated as not supported.

Signed-off-by: Cristina Ciocan <cristina.ciocan@intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Cristina Ciocan
2016-04-01 14:00:03 +03:00
committed by Linus Walleij
parent c8f5c4c7c8
commit c501d0b149
2 changed files with 535 additions and 42 deletions
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drivers/pinctrl/intel/Kconfig
+3
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@@ -6,6 +6,9 @@ config PINCTRL_BAYTRAIL
bool "Intel Baytrail GPIO pin control"
depends on GPIOLIB && ACPI
select GPIOLIB_IRQCHIP
select PINMUX
select PINCONF
select GENERIC_PINCONF
help
driver for memory mapped GPIO functionality on Intel Baytrail
platforms. Supports 3 banks with 102, 28 and 44 gpios.
drivers/pinctrl/intel/pinctrl-baytrail.c
+532 -42
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