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authorHerve Codina <herve.codina@bootlin.com>2021-12-02 10:52:54 +0100
committerMarc Zyngier <maz@kernel.org>2021-12-16 13:29:44 +0000
commitf63c862587c9ba1c62de8c549e8f2fbe0fc88b6b (patch)
tree7f7f9d761ecc230c7c677ca4bd0289de45fa5214 /drivers/irqchip/spear-shirq.c
parent0fcfb00b28c0b7884635dacf38e46d60bf3d4eb1 (diff)
downloadlinux-f63c862587c9ba1c62de8c549e8f2fbe0fc88b6b.tar.gz
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
Diffstat (limited to 'drivers/irqchip/spear-shirq.c')
-rw-r--r--drivers/irqchip/spear-shirq.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/irqchip/spear-shirq.c b/drivers/irqchip/spear-shirq.c
index 1518ba31a80c..7c17a6f643ef 100644
--- a/drivers/irqchip/spear-shirq.c
+++ b/drivers/irqchip/spear-shirq.c
@@ -149,6 +149,8 @@ static struct spear_shirq spear320_shirq_ras3 = {
 	.offset		= 0,
 	.nr_irqs	= 7,
 	.mask		= ((0x1 << 7) - 1) << 0,
+	.irq_chip	= &dummy_irq_chip,
+	.status_reg	= SPEAR320_INT_STS_MASK_REG,
 };
 
 static struct spear_shirq spear320_shirq_ras1 = {