diff options
| author | Hou Zhiqiang <Zhiqiang.Hou@nxp.com> | 2020-11-30 18:15:05 +0800 |
|---|---|---|
| committer | Marc Zyngier <maz@kernel.org> | 2020-12-11 14:43:16 +0000 |
| commit | b16a1caf4686895427c810219d4b2f796e676160 (patch) | |
| tree | 89e684a3d39ed64108ee24dd555c2721a162ffd8 /drivers | |
| parent | 3ee36352e26935c7e8145eb4e7ed38b536ca01fc (diff) | |
| download | linux-b16a1caf4686895427c810219d4b2f796e676160.tar.gz | |
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: 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
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/irqchip/irq-ls-extirq.c | 16 |
1 files changed, 6 insertions, 10 deletions
diff --git a/drivers/irqchip/irq-ls-extirq.c b/drivers/irqchip/irq-ls-extirq.c index 4d1179fed77c..f94f974a8764 100644 --- a/drivers/irqchip/irq-ls-extirq.c +++ b/drivers/irqchip/irq-ls-extirq.c @@ -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); |