linux-kernel - [PATCH v4 00/10] support wakeup capable GPIOs

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Message-Id: <20190313211844.29416-1-ilina@codeaurora.org>
Date:   Wed, 13 Mar 2019 15:18:34 -0600
From:   Lina Iyer <ilina@...eaurora.org>
To:     swboyd@...omium.org, evgreen@...omium.org, marc.zyngier@....com
Cc:     linux-kernel@...r.kernel.org, rplsssn@...eaurora.org,
        linux-arm-msm@...r.kernel.org, thierry.reding@...il.com,
        bjorn.andersson@...aro.org, dianders@...omium.org,
        linus.walleij@...aro.org, Lina Iyer <ilina@...eaurora.org>
Subject: [PATCH v4 00/10] support wakeup capable GPIOs

Hi all,

This series adds support for wakeup capable GPIOs. It is based on Thierry's
hiearchical GPIO domains. This approach is based on Stephen's idea [1]. The SoC
that is used for this development is a QCOM SDM845. The current patchset is
rebased on top of 5.0 and adds documentation for the wakeup-parent and
irqdomain-map DT properties along with the the optional irqdomain-map-mask and
irqdomain-map-pass-thru properties. Also incorporating comments from Marc on
the earlier submission [2]. I cleaned up some of the change history in these
patches to match the version number with that of the submission.

The dtsi patches are based on Bjorn's changes for increased address and cell
size [3] and [4].

Kindly review the series.

Thanks,
Lina

[1]. https://lkml.org/lkml/2018/12/19/813
[2]. https://lkml.org/lkml/2019/2/22/716
[3]. https://patchwork.kernel.org/patch/10767511/
[4]. https://lkml.kernel.org/r/20190117042940.25487-2-bjorn.andersson@linaro.org

Lina Iyer (8):
  irqdomain: add bus token DOMAIN_BUS_WAKEUP
  of/irq: document properties for wakeup interrupt parent
  drivers: irqchip: add PDC irqdomain for wakeup capable GPIOs
  dt-bindings: sdm845-pinctrl: add wakeup interrupt parent for GPIO
  drivers: pinctrl: msm: setup GPIO irqchip hierarchy
  arm64: dts: qcom: add PDC interrupt controller for SDM845
  arm64: dts: qcom: setup PDC as wakeup parent for GPIOs for SDM845
  arm64: defconfig: enable PDC interrupt controller for Qualcomm SDM845

Stephen Boyd (1):
  of: irq: add helper to remap interrupts to another irqdomain

Thierry Reding (1):
  gpio: Add support for hierarchical IRQ domains

 .../interrupt-controller/interrupts.txt       |  39 +++++
 .../bindings/pinctrl/qcom,sdm845-pinctrl.txt  |   7 +-
 arch/arm64/boot/dts/qcom/sdm845.dtsi          |  87 ++++++++++
 arch/arm64/configs/defconfig                  |   1 +
 drivers/gpio/gpiolib.c                        |  15 +-
 drivers/irqchip/qcom-pdc.c                    |  72 ++++++++-
 drivers/of/irq.c                              | 125 +++++++++++++++
 drivers/pinctrl/qcom/pinctrl-msm.c            | 151 +++++++++++++++---
 include/linux/gpio/driver.h                   |   6 +
 include/linux/irqdomain.h                     |   1 +
 include/linux/of_irq.h                        |   1 +
 include/linux/soc/qcom/irq.h                  |  23 +++
 12 files changed, 497 insertions(+), 31 deletions(-)
 create mode 100644 include/linux/soc/qcom/irq.h

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