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[0/5] gpio: thunderx: Marvell GPIO changes.

Message ID 20220427144620.9105-1-pmalgujar@marvell.com
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Series gpio: thunderx: Marvell GPIO changes. | expand

Message

Piyush Malgujar April 27, 2022, 2:46 p.m. UTC 
This patch includes the following changes:

- Using irqsave/irqrestore spinlock variants to avoid any potential
  deadlock in case of GPIO as IRQ
- Introducing a new device tree option 'pin-cfg' which can be used to setup
  mode of one or several GPIO pins. It can be used to choose pin's
  function, filtes, polarity and direction.
- Extending PIN_SEL_MASK to cover for otx2 platform
- In case of level irq, the current handle is not unmasking the GPIO
  interrupt, so using handle_level_irq, which will allow next interrupt
  to be handled.

All the changes have been internally verified on Marvell otx2 platforms.

Piyush Malgujar (5):
  gpio: thunderx: avoid potential deadlock
  dt-bindings: gpio: gpio-thunderx: Describe pin-cfg option
  gpio: thunderx: Configure GPIO pins at probe
  gpio: thunderx: extend PIN_SEL_MASK to cover otx2 platform
  gpio: thunderx: change handler for level interrupt

 .../bindings/gpio/gpio-thunderx.txt           |  4 ++
 drivers/gpio/gpio-thunderx.c                  | 53 +++++++++++++++----
 2 files changed, 47 insertions(+), 10 deletions(-)