dt-bindings: Add RZ/G2L IRQC bindings

Import bindings for the Interrupt Controller (IRQC) module in the
Renesas RZ/G2L SoC family.

This patch is based on the dt-bindings in Linux v6.5
(commit 52e12027d50affbf60c6c9c64db8017391b0c22e).

Signed-off-by: Paul Barker <paul.barker.ct@bp.renesas.com>
Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Marek Vasut <marek.vasut+renesas@mailbox.org>

diff --git a/include/dt-bindings/interrupt-controller/irqc-rzg2l.h b/include/dt-bindings/interrupt-controller/irqc-rzg2l.h
new file mode 100644 (file)
index 0000000..34ce778
--- /dev/null
+++ b/include/dt-bindings/interrupt-controller/irqc-rzg2l.h
@@ -0,0 +1,25 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * This header provides constants for Renesas RZ/G2L family IRQC bindings.
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ *
+ */
+
+#ifndef __DT_BINDINGS_IRQC_RZG2L_H
+#define __DT_BINDINGS_IRQC_RZG2L_H
+
+/* NMI maps to SPI0 */
+#define RZG2L_NMI      0
+
+/* IRQ0-7 map to SPI1-8 */
+#define RZG2L_IRQ0     1
+#define RZG2L_IRQ1     2
+#define RZG2L_IRQ2     3
+#define RZG2L_IRQ3     4
+#define RZG2L_IRQ4     5
+#define RZG2L_IRQ5     6
+#define RZG2L_IRQ6     7
+#define RZG2L_IRQ7     8
+
+#endif /* __DT_BINDINGS_IRQC_RZG2L_H */