Commit b16a1caf authored by Hou Zhiqiang's avatar Hou Zhiqiang Committed by Marc Zyngier
Browse files

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



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: default avatarHou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: default avatarBiwen Li <biwen.li@nxp.com>
Signed-off-by: default avatarMarc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20201130101515.27431-1-biwen.li@oss.nxp.com
parent 3ee36352

drivers/irqchip/irq-ls-extirq.c

+6 −10
Original line number Diff line number Diff line
@@ -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 @@ ls_extirq_of_init(struct device_node *node, struct device_node *parent) 
}



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);