irqchip/qcom-pdc: Add irqdomain for wakeup capable GPIOs

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Introduce a new domain for wakeup capable GPIOs. The domain can be
requested using the bus token DOMAIN_BUS_WAKEUP. In the following
patches, we will specify PDC as the wakeup-parent for the TLMM GPIO
irqchip. Requesting a wakeup GPIO will setup the GPIO and the
corresponding PDC interrupt as its parent.

Co-developed-by: Stephen Boyd <swboyd@chromium.org>

Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Signed-off-by: Lina Iyer <ilina@codeaurora.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Reviewed-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/1573855915-9841-5-git-send-email-ilina@codeaurora.org

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Lina Iyer 2019-11-15 15:11:47 -07:00 • committed by Marc Zyngier

parent da3f875a41

commit 81ef8bf880

2 changed files with 116 additions and 9 deletions

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104

drivers/irqchip/qcom-pdc.c

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21

include/linux/soc/qcom/irq.h

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