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Subject[irqchip: irq/irqchip-next] irqchip/ocelot: Add support for Serval platforms
The following commit has been merged into the irq/irqchip-next branch of irqchip:

Commit-ID: 7efdfbd15a21788de8c0743590e777f151a3031b
Gitweb: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms/7efdfbd15a21788de8c0743590e777f151a3031b
Author: Gregory CLEMENT <gregory.clement@bootlin.com>
AuthorDate: Wed, 25 Nov 2020 11:32:05 +01:00
Committer: Marc Zyngier <maz@kernel.org>
CommitterDate: Fri, 11 Dec 2020 14:47:49

irqchip/ocelot: Add support for Serval platforms

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>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20201125103206.136498-6-gregory.clement@bootlin.com
---
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 496f955..da5a0ad 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)
{
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