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

[Gregory CLEMENT]

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.povl...@microchip.com>
Signed-off-by: Gregory CLEMENT <gregory.clem...@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