[PATCH v2 1/5] dt-bindings: interrupt-controller: Update STM32 EXTI interrupt controller
From: Alexandre Torgue <alexandre.torgue@foss.st.com>
Date: 2021-12-15 10:59:29
Also in:
linux-arm-kernel, lkml
Subsystem:
irqchip drivers, open firmware and flattened device tree bindings, the rest · Maintainers:
Thomas Gleixner, Rob Herring, Krzysztof Kozlowski, Conor Dooley, Linus Torvalds
Document new entry "st,exti-mapping" which links EXTI lines with GIC interrupt lines and add an include file to define EXTI interrupt type. Signed-off-by: Alexandre Torgue <alexandre.torgue@foss.st.com>
diff --git a/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml b/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml
index d19c881b4abc..e08bb51e97a8 100644
--- a/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml
+++ b/Documentation/devicetree/bindings/interrupt-controller/st,stm32-exti.yaml@@ -41,6 +41,17 @@ properties: description: Interrupts references to primary interrupt controller + st,exti-mapping: + $ref: "/schemas/types.yaml#/definitions/uint32-matrix" + description: | + Define mapping between EXTI lines and GIC irq lines. Should be: + st,exti-mapping = <EXTI_LINE GIC_IRQ EXTI_TYPE>, ...; + With: + - EXTI_LINE: EXTI line number. + - GIC_IRQ: GIC IRQ associated to the EXTI line. + - EXTI_TYPE: STM32_EXTI_TYPE_CONFIGURABLE or STM32_EXTI_TYPE_DIRECT. + Defined in include/dt-bindings/interrupt-controller/stm32-exti.h + required: - "#interrupt-cells" - compatible
diff --git a/include/dt-bindings/interrupt-controller/stm32-exti.h b/include/dt-bindings/interrupt-controller/stm32-exti.h
new file mode 100644
index 000000000000..02b7e0e30cf7
--- /dev/null
+++ b/include/dt-bindings/interrupt-controller/stm32-exti.h@@ -0,0 +1,10 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef _DT_BINDINGS_INTERRUPT_CONTROLLER_STM32_EXTI_H +#define _DT_BINDINGS_INTERRUPT_CONTROLLER_STM32_EXTI_H + +#define STM32_EXTI_TYPE_CONFIGURABLE 0 +#define STM32_EXTI_TYPE_DIRECT 1 + +#define STM32_EXTI_MAPPING_CELL_NB 3 + +#endif
--
2.17.1