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authorGregory CLEMENT <gregory.clement@bootlin.com>2020-11-25 11:32:06 +0100
committerMarc Zyngier <maz@kernel.org>2020-12-11 14:47:49 +0000
commit550c1424acf0123ba0c17e22dfcac92d152b2f0e (patch)
tree3cdf4df02fd93b933fd6a588d3a8f95308faf961 /drivers/irqchip
parent7efdfbd15a21788de8c0743590e777f151a3031b (diff)
irqchip/ocelot: Add support for Jaguar2 platforms
This patch extends irqchip driver for ocelot to be used with an other vcoreiii base platform: Jaguar2. Based on a larger patch from Lars Povlsen <lars.povlsen@microchip.com> Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com> Link: https://lore.kernel.org/r/20201125103206.136498-7-gregory.clement@bootlin.com
Diffstat (limited to 'drivers/irqchip')
-rw-r--r--drivers/irqchip/irq-mscc-ocelot.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/irqchip/irq-mscc-ocelot.c b/drivers/irqchip/irq-mscc-ocelot.c
index da5a0ad991a1..8235d98650c1 100644
--- a/drivers/irqchip/irq-mscc-ocelot.c
+++ b/drivers/irqchip/irq-mscc-ocelot.c
@@ -63,6 +63,17 @@ static struct chip_props luton_props = {
.n_irq = 28,
};
+static struct chip_props jaguar2_props = {
+ .flags = FLAGS_HAS_TRIGGER,
+ .reg_off_sticky = 0x10,
+ .reg_off_ena = 0x18,
+ .reg_off_ena_clr = 0x1c,
+ .reg_off_ena_set = 0x20,
+ .reg_off_ident = 0x38,
+ .reg_off_trigger = 0x5c,
+ .n_irq = 29,
+};
+
static void ocelot_irq_unmask(struct irq_data *data)
{
struct irq_chip_generic *gc = irq_data_get_irq_chip_data(data);
@@ -197,3 +208,11 @@ static int __init luton_irq_init(struct device_node *node,
}
IRQCHIP_DECLARE(luton_icpu, "mscc,luton-icpu-intr", luton_irq_init);
+
+static int __init jaguar2_irq_init(struct device_node *node,
+ struct device_node *parent)
+{
+ return vcoreiii_irq_init(node, parent, &jaguar2_props);
+}
+
+IRQCHIP_DECLARE(jaguar2_icpu, "mscc,jaguar2-icpu-intr", jaguar2_irq_init);