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irqchip/ls-extirq: Add LS1043A, LS1088A external interrupt support

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Add an new IRQ chip declaration for LS1043A and LS1088A, and cleanup
the use of the "bit_reverse" property, now gated on the Soc type.

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201130101515.27431-1-biwen.li@oss.nxp.com
This commit is contained in:
Hou Zhiqiang 2020-11-30 18:15:05 +08:00 committed by Marc Zyngier
parent 3ee36352e2
commit b16a1caf46
1 changed files with 6 additions and 10 deletions
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16
drivers/irqchip/irq-ls-extirq.c
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@ -18,7 +18,7 @@
struct ls_extirq_data {
struct regmap *syscon;
u32 intpcr;
bool bit_reverse;
bool is_ls1021a_or_ls1043a;
u32 nirq;
struct irq_fwspec map[MAXIRQ];
};
@ -30,7 +30,7 @@ ls_extirq_set_type(struct irq_data *data, unsigned int type)
irq_hw_number_t hwirq = data->hwirq;
u32 value, mask;
if (priv->bit_reverse)
if (priv->is_ls1021a_or_ls1043a)
mask = 1U << (31 - hwirq);
else
mask = 1U << hwirq;
@ -174,14 +174,8 @@ ls_extirq_of_init(struct device_node *node, struct device_node *parent)
if (ret)
goto out;
if (of_device_is_compatible(node, "fsl,ls1021a-extirq")) {
u32 revcr;
ret = regmap_read(priv->syscon, LS1021A_SCFGREVCR, &revcr);
if (ret)
goto out;
priv->bit_reverse = (revcr != 0);
}
priv->is_ls1021a_or_ls1043a = of_device_is_compatible(node, "fsl,ls1021a-extirq") ||
of_device_is_compatible(node, "fsl,ls1043a-extirq");
domain = irq_domain_add_hierarchy(parent_domain, 0, priv->nirq, node,
&extirq_domain_ops, priv);
@ -195,3 +189,5 @@ out:
}
IRQCHIP_DECLARE(ls1021a_extirq, "fsl,ls1021a-extirq", ls_extirq_of_init);
IRQCHIP_DECLARE(ls1043a_extirq, "fsl,ls1043a-extirq", ls_extirq_of_init);
IRQCHIP_DECLARE(ls1088a_extirq, "fsl,ls1088a-extirq", ls_extirq_of_init);