From mboxrd@z Thu Jan 1 00:00:00 1970 From: alexandre.torgue@st.com (Alexandre TORGUE) Date: Fri, 2 Sep 2016 17:33:09 +0200 Subject: [PATCH v3 0/9] Add STM32 EXTI interrupt controller support Message-ID: <1472830398-13275-1-git-send-email-alexandre.torgue@st.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Hi, According to Maxime, I send this V3 patch set. I took into account Maxime and Linus discussion about pinctrl-stm32 ("gpio_to_irq" issue). So main changes are related to add an irq_chip in pinctrl-stm32 and to define a hierarchical domain for it. The series adds support to EXTI interrupt controller and GPIO IRQ support in STM32 pinctrl driver. The STM32 external interrupt controller consists of edge detectors that generate interrupts requests or wake-up events. Each line can be independently configured as interrupt or wake-up source, and triggers either on rising, fallin or both edges. Each line can also be masked independently. Regards Alex Changes since v2: ----------------- - Define irq_chip for GPIO banks - Use hierarchical domain for GPIO banks - Improve search loop inside stm32_exti handler - Rebased on top of v4.8-rc1 Changes since v1: ----------------- - Rebased on top of v4.6-rc1 - Change variable name from virq to irq (Linus W.) Alexandre TORGUE (9): Documentation: dt-bindings: Document STM32 EXTI controller bindings drivers: irqchip: Add STM32 external interrupts support ARM: STM32: Select external interrupts controller ARM: dts: Add EXTI controller node to stm32f429 Documentation: dt-bindings: Add IRQ related properties of STM32 pinctrl pinctrl: Add IRQ support to STM32 gpios ARM: dts: Add GPIO irq support to STM2F429 ARM: dts: Declare push button as GPIO key on stm32f429 boards ARM: config: Enable GPIO Key driver in stm32_defconfig .../interrupt-controller/st,stm32-exti.txt | 20 +++ .../bindings/pinctrl/st,stm32-pinctrl.txt | 3 + arch/arm/Kconfig | 1 + arch/arm/boot/dts/stm32429i-eval.dts | 18 ++ arch/arm/boot/dts/stm32f429-disco.dts | 13 ++ arch/arm/boot/dts/stm32f429.dtsi | 10 ++ arch/arm/configs/stm32_defconfig | 6 +- drivers/irqchip/Kconfig | 4 + drivers/irqchip/Makefile | 1 + drivers/irqchip/irq-stm32-exti.c | 193 +++++++++++++++++++++ drivers/pinctrl/stm32/Kconfig | 2 + drivers/pinctrl/stm32/pinctrl-stm32.c | 157 ++++++++++++++++- 12 files changed, 426 insertions(+), 2 deletions(-) create mode 100644 Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.txt create mode 100644 drivers/irqchip/irq-stm32-exti.c -- 1.9.1