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| /openbmc/linux/drivers/irqchip/ |
| H A D | spear-shirq.c | f63c8625 Thu Dec 02 03:52:54 CST 2021 Herve Codina <herve.codina@bootlin.com> irqchip/spear-shirq: Add support for IRQ 0..6
IRQ 0..7 are not supported by the driver for SPEAr320 SOC family.
IRQ 0 is not reserved in SPEAr320 SOC (assigned to GPIOINT).
Furthermore, in SPEAr320s SOC variant, IRQ 0..6 are assigned
as follow:
IRQ 6 - NGPIO_INTR: Combined status of edge programmable
interrupts from GPIO ports
IRQ 5 - TX_OR_INTR: I2S interrupt on Transmit FIFO overrun
IRQ 4 - TX_EMP_INTR: I2S interrupt on Transmit FIFO empty
IRQ 3 - RX_OR_INTR: I2S interrupt on Receive FIFO overrun
IRQ 2 - RX_DA_INTR: I2S interrupt on data available in Receive FIFO
IRQ 1 - Reserved
IRQ 0 - GPIO_INTR: Legacy interrupt from GPIO ports
Add support for these IRQs in SPEAr320 SOC family.
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20211202095255.165797-6-herve.codina@bootlin.com
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