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bmips: document GPIO external interrupts

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BCM63xx SoCs have an external interrupt controller which can be used for
specific GPIO keys.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
This commit is contained in:
Álvaro Fernández Rojas
2023-04-27 13:47:24 +02:00
parent 11de53729a
commit e9f5b773d2
12 changed files with 51 additions and 11 deletions
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5
target/linux/bmips/files/include/dt-bindings/interrupt-controller/bcm6328-interrupt-controller.h
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@@ -65,4 +65,9 @@
#define BCM6328_IRQ_ATM_DMA19 62
#define BCM6328_IRQ_SAR 63
#define BCM6328_EXTIRQ_0 0 /* GPIO 23 */
#define BCM6328_EXTIRQ_1 1 /* GPIO 24 */
#define BCM6328_EXTIRQ_2 2 /* GPIO 15 */
#define BCM6328_EXTIRQ_3 3 /* GPIO 12 */
#endif /* __DT_BINDINGS_INTERRUPT_CONTROLLER_BCM6328_H */