[PATCH v13 0/5] PolarFire SoC GPIO interrupt support
From: Conor Dooley
Date: Wed Mar 18 2026 - 07:12:22 EST
From: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
Yo,
Here's a v3 with an extra patch updating the gpio binding from fished
out from my old branch, fixing the examples and setting the permitted
values of gpios for the controllers on polarfire soc and the existing
binding patch's example fixed.
Bartosz, you acked the gpio driver patch, are you expecting the whole
lot to go together via the soc tree or something?
Cheers,
Conor.
v13:
- fix the binding example
- add a new binding patch
v12:
- Implemented mux driver feedback from Hervé.
- Reworked the gpio interrupt stuff per Linus' feedback, so didn't pick
up Hervés tag.
- Modified the binding description to cover the 6 always "direct mode"
interrupts on gpio controller 1.
CC: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
CC: Herve Codina <herve.codina@xxxxxxxxxxx>
CC: Conor Dooley <conor.dooley@xxxxxxxxxxxxx>
CC: Daire McNamara <daire.mcnamara@xxxxxxxxxxxxx>
CC: Rob Herring <robh@xxxxxxxxxx>
CC: Krzysztof Kozlowski <krzk+dt@xxxxxxxxxx>
CC: Paul Walmsley <pjw@xxxxxxxxxx>
CC: Palmer Dabbelt <palmer@xxxxxxxxxxx>
CC: Albert Ou <aou@xxxxxxxxxxxxxxxxx>
CC: Alexandre Ghiti <alex@xxxxxxxx>
CC: Linus Walleij <linusw@xxxxxxxxxx>
CC: Bartosz Golaszewski <brgl@xxxxxxxxxx>
CC: linux-riscv@xxxxxxxxxxxxxxxxxxx
CC: devicetree@xxxxxxxxxxxxxxx
CC: linux-kernel@xxxxxxxxxxxxxxx
CC: linux-gpio@xxxxxxxxxxxxxxx
Conor Dooley (5):
dt-bindings: gpio: fix microchip,mpfs-gpio interrupt documentation
gpio: mpfs: Add interrupt support
dt-bindings: soc: microchip: document PolarFire SoC's gpio interrupt
mux
soc: microchip: add mpfs gpio interrupt mux driver
riscv: dts: microchip: update mpfs gpio interrupts to better match the
SoC
.../bindings/gpio/microchip,mpfs-gpio.yaml | 24 ++-
.../soc/microchip/microchip,mpfs-irqmux.yaml | 103 ++++++++++
.../microchip,mpfs-mss-top-sysreg.yaml | 4 +
MAINTAINERS | 2 +-
.../boot/dts/microchip/mpfs-beaglev-fire.dts | 29 +++
.../boot/dts/microchip/mpfs-disco-kit.dts | 43 +++--
.../dts/microchip/mpfs-icicle-kit-common.dtsi | 37 +++-
.../boot/dts/microchip/mpfs-m100pfsevp.dts | 41 ++--
.../boot/dts/microchip/mpfs-polarberry.dts | 29 +++
.../riscv/boot/dts/microchip/mpfs-sev-kit.dts | 37 +++-
.../riscv/boot/dts/microchip/mpfs-tysom-m.dts | 35 +++-
arch/riscv/boot/dts/microchip/mpfs.dtsi | 37 +++-
drivers/gpio/Kconfig | 1 +
drivers/gpio/gpio-mpfs.c | 122 +++++++++++-
drivers/soc/microchip/Kconfig | 11 ++
drivers/soc/microchip/Makefile | 1 +
drivers/soc/microchip/mpfs-irqmux.c | 181 ++++++++++++++++++
17 files changed, 673 insertions(+), 64 deletions(-)
create mode 100644 Documentation/devicetree/bindings/soc/microchip/microchip,mpfs-irqmux.yaml
create mode 100644 drivers/soc/microchip/mpfs-irqmux.c
--
2.51.0