[PATCH 5/6] irqchip: ocelot: Add support for Serval platforms

Gregory CLEMENT
2020-11-05T17:16:06Z

This patch extends irqchip driver for ocelot to be used with an other
vcoreiii base platform: Serval.

Based on a larger patch from Lars Povlsen <lars.povlsen@microchip.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
---
drivers/irqchip/irq-mscc-ocelot.c | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)

diff --git a/drivers/irqchip/irq-mscc-ocelot.c b/drivers/irqchip/irq-mscc-ocelot.c
index 9964800c53c2..584af3b0a9e2 100644
--- a/drivers/irqchip/irq-mscc-ocelot.c
+++ b/drivers/irqchip/irq-mscc-ocelot.c
@@ -44,6 +44,18 @@ static const struct chip_props ocelot_props = {
.n_irq = 24,
};

+static const struct chip_props serval_props = {
+ .flags = FLAGS_HAS_TRIGGER,
+ .reg_off_sticky = 0xc,
+ .reg_off_ena = 0x14,
+ .reg_off_ena_clr = 0x18,
+ .reg_off_ena_set = 0x1c,
+ .reg_off_ident = 0x20,
+ .reg_off_trigger = 0x4,
+ .reg_off_force = 0x8,
+ .n_irq = 24,
+};
+
static const struct chip_props luton_props = {
.flags = FLAGS_NEED_INIT_ENABLE |
FLAGS_FORCE_LUTON_STYLE,
@@ -210,6 +222,14 @@ static int __init ocelot_irq_init(struct device_node *node,

IRQCHIP_DECLARE(ocelot_icpu, "mscc,ocelot-icpu-intr", ocelot_irq_init);

+static int __init serval_irq_init(struct device_node *node,
+ struct device_node *parent)
+{
+ return vcoreiii_irq_init(node, parent, &serval_props);
+}
+
+IRQCHIP_DECLARE(serval_icpu, "mscc,serval-icpu-intr", serval_irq_init);
+
static int __init luton_irq_init(struct device_node *node,
struct device_node *parent)
{
--
2.28.0