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Message-ID: <20241002094832.24933-21-patrick.rudolph@9elements.com>
Date: Wed,  2 Oct 2024 11:47:11 +0200
From: Patrick Rudolph <patrick.rudolph@...ements.com>
To: u-boot@...ts.denx.de,
	linux-kernel@...r.kernel.org
Cc: Patrick Rudolph <patrick.rudolph@...ements.com>,
	Simon Glass <sjg@...omium.org>,
	Tom Rini <trini@...sulko.com>
Subject: [PATCH v6 20/37] arm: gic-v3-its: Implement of_xlate

Translate IRQs by implementing of_xlate() as required by
irq_get_by_index() to parse interrupt properties.

TEST: Booted on qemu sbsa-ref that has a GICV3.

Signed-off-by: Patrick Rudolph <patrick.rudolph@...ements.com>
Reviewed-by: Simon Glass <sjg@...omium.org>
---
Changelog v6:
- Update header order

---
 arch/arm/lib/gic-v3-its.c | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)

diff --git a/arch/arm/lib/gic-v3-its.c b/arch/arm/lib/gic-v3-its.c
index 22fa46a341..0d5545bfb2 100644
--- a/arch/arm/lib/gic-v3-its.c
+++ b/arch/arm/lib/gic-v3-its.c
@@ -4,6 +4,7 @@
  */
 #include <cpu_func.h>
 #include <dm.h>
+#include <irq.h>
 #include <asm/gic.h>
 #include <asm/gic-v3.h>
 #include <asm/io.h>
@@ -163,8 +164,28 @@ static const struct udevice_id gic_v3_ids[] = {
 	{}
 };
 
+static int arm_gic_v3_of_xlate(struct irq *irq, struct ofnode_phandle_args *args)
+{
+	if (args->args_count > 2) {
+		log_debug("Invalid args_count: %d\n", args->args_count);
+		return -EINVAL;
+	}
+
+	if (args->args_count > 0)
+		irq->id = args->args[0];
+	if (args->args_count > 1)
+		irq->flags = args->args[1];
+
+	return 0;
+}
+
+static const struct irq_ops arm_gic_v3_ops = {
+	.of_xlate		=  arm_gic_v3_of_xlate,
+};
+
 U_BOOT_DRIVER(arm_gic_v3) = {
 	.name		= "gic-v3",
 	.id		= UCLASS_IRQ,
 	.of_match	= gic_v3_ids,
+	.ops		= &arm_gic_v3_ops,
 };
-- 
2.46.2


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