linux-kernel - [PATCH 00/12] Support wakeup capable GPIOs

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Date:   Thu, 14 Nov 2019 11:35:09 -0700
From:   Lina Iyer <ilina@...eaurora.org>
To:     swboyd@...omium.org, maz@...nel.org, linus.walleij@...aro.org,
        bjorn.andersson@...aro.org
Cc:     evgreen@...omium.org, linux-kernel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, mkshah@...eaurora.org,
        linux-gpio@...r.kernel.org, agross@...nel.org,
        dianders@...omium.org, Lina Iyer <ilina@...eaurora.org>
Subject: [PATCH 00/12] Support wakeup capable GPIOs

Hi all,

Thanks for all the reviews.

Here is the next spin of the wakeup capable GPIO support. In order to
facilitate basic support available in the kernel, I have dropped the SPI
register configuration. The feature was added when this series was
restarted based on new hierarchy support in gpiolib. But, the SPI
configuration can be done in the firmware. This would avoid a whole lot
of code in linux that serve little to no purpose. Users of GPIO never
have the need to change the trigger type (level edge and vice-versa) and
the basic configuration can be set in the firmware before boot.

Changes in v1:
	- Address review comments
	- Add Reviewed-by tags
	- Drop SPI config patches
	- Rebase on top of Rajendra's PDC changes [6]

Changes in RFC v2[5]:
        - Address review comments #3, #4, #6, #7, #8, #9, #10
        - Rebased on top of linux-next GPIO latest patches [1],[3],[4]
        - Increase PDC max irqs in #2 (avoid merge conflicts with
          downstream)
        - Add Reviewed-by #5

Please consider reviewing these patches.

Thanks,
Lina

[1].
https://lore.kernel.org/linux-gpio/20190808123242.5359-1-linus.walleij@linaro.org/
[2].
https://lkml.org/lkml/2019/5/7/1173
[3].
https://lore.kernel.org/r/20190819084904.30027-1-linus.walleij@linaro.org
[4].
https://lore.kernel.org/r/20190724083828.7496-1-linus.walleij@linaro.org
[5].
https://lore.kernel.org/linux-gpio/5da6b849.1c69fb81.a9b04.1b9f@mx.google.com/t/
[6].
https://lore.kernel.org/linux-arm-msm/d622482d92059533f03b65af26c69b9b@www.loen.fr/

Lina Iyer (10):
  irqdomain: add bus token DOMAIN_BUS_WAKEUP
  drivers: irqchip: qcom-pdc: update max PDC interrupts
  drivers: irqchip: pdc: Do not toggle IRQ_ENABLE during mask/unmask
  drivers: irqchip: add PDC irqdomain for wakeup capable GPIOs
  of: irq: document properties for wakeup interrupt parent
  drivers: pinctrl: msm: setup GPIO chip in hierarchy
  drivers: pinctrl: sdm845: add PDC wakeup interrupt map for GPIOs
  arm64: dts: qcom: add PDC interrupt controller for SDM845
  arm64: dts: qcom: setup PDC as the wakeup parent for TLMM on SDM845
  arm64: defconfig: enable PDC interrupt controller for Qualcomm SDM845

Maulik Shah (2):
  genirq: Introduce irq_chip_get/set_parent_state calls
  drivers: irqchip: pdc: Add irqchip set/get state calls

 .../bindings/interrupt-controller/interrupts.txt   |  12 ++
 arch/arm64/boot/dts/qcom/sdm845.dtsi               |  10 ++
 arch/arm64/configs/defconfig                       |   1 +
 drivers/irqchip/qcom-pdc.c                         | 147 +++++++++++++++++++--
 drivers/pinctrl/qcom/pinctrl-msm.c                 | 113 ++++++++++++++++
 drivers/pinctrl/qcom/pinctrl-msm.h                 |  16 +++
 drivers/pinctrl/qcom/pinctrl-sdm845.c              |  23 +++-
 include/linux/irq.h                                |   6 +
 include/linux/irqdomain.h                          |   1 +
 include/linux/soc/qcom/irq.h                       |  34 +++++
 kernel/irq/chip.c                                  |  44 ++++++
 11 files changed, 393 insertions(+), 14 deletions(-)
 create mode 100644 include/linux/soc/qcom/irq.h

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