[PATCH v4 5/6] irqchip: ocelot: Add support for Serval platforms

From: Gregory CLEMENT
Date: Fri Nov 20 2020 - 11:41:25 EST


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@xxxxxxxxxxxxx>
Acked-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxx>
Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxx>
---
drivers/irqchip/irq-mscc-ocelot.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)

diff --git a/drivers/irqchip/irq-mscc-ocelot.c b/drivers/irqchip/irq-mscc-ocelot.c
index 496f955b8fc4..da5a0ad991a1 100644
--- a/drivers/irqchip/irq-mscc-ocelot.c
+++ b/drivers/irqchip/irq-mscc-ocelot.c
@@ -41,6 +41,17 @@ static struct chip_props ocelot_props = {
.n_irq = 24,
};

+static 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,
+ .n_irq = 24,
+};
+
static struct chip_props luton_props = {
.flags = FLAGS_NEED_INIT_ENABLE,
.reg_off_sticky = 0,
@@ -171,6 +182,14 @@ 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)
{
--
2.29.2