Date: Mon, 31 Jul 2017 15:38:24 -0500 From: Dustin Marquess <dmarquess@gmail.com> To: freebsd-arm@freebsd.org Subject: Allwinner GPIO IRQ? Message-ID: <CAJpsHY7DuhB3a6CPeEhzqHamdYAW5JA5h1pNAED-ibp%2Bg5TC0A@mail.gmail.com>
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I'm trying to setup gpiopps on my Pine A64. I managed to hack up the
device tree and that part seems to work, however I was getting:
gpiopps0: Pin cannot be configured for the requested signal edge
I noticed that sys/arm/allwinner/a10_gpio.c had:
#define A10_GPIO_DEFAULT_CAPS (GPIO_PIN_INPUT | GPIO_PIN_OUTPUT | \
GPIO_PIN_PULLUP | GPIO_PIN_PULLDOWN)
So I changed that to:
#define A10_GPIO_DEFAULT_CAPS (GPIO_PIN_INPUT | GPIO_PIN_OUTPUT | \
GPIO_PIN_PULLUP | GPIO_PIN_PULLDOWN | GPIO_INTR_MASK)
That changed the error to:
gpiopps0: Cannot allocate an IRQ for the GPIO
And now I'm having problems finding a DEVMETHOD mapping for
bus_alloc_resource for the Allwinner gpios. Am I right in guessing
that this code simply doesn't exist yet?
Thanks!
-Dustin
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