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-rw-r--r--include/dt-bindings/pinctrl/rzv2m-pinctrl.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/dt-bindings/pinctrl/rzv2m-pinctrl.h b/include/dt-bindings/pinctrl/rzv2m-pinctrl.h
new file mode 100644
index 000000000..525532cd1
--- /dev/null
+++ b/include/dt-bindings/pinctrl/rzv2m-pinctrl.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * This header provides constants for Renesas RZ/V2M pinctrl bindings.
+ *
+ * Copyright (C) 2022 Renesas Electronics Corp.
+ *
+ */
+
+#ifndef __DT_BINDINGS_RZV2M_PINCTRL_H
+#define __DT_BINDINGS_RZV2M_PINCTRL_H
+
+#define RZV2M_PINS_PER_PORT 16
+
+/*
+ * Create the pin index from its bank and position numbers and store in
+ * the upper 16 bits the alternate function identifier
+ */
+#define RZV2M_PORT_PINMUX(b, p, f) ((b) * RZV2M_PINS_PER_PORT + (p) | ((f) << 16))
+
+/* Convert a port and pin label to its global pin index */
+#define RZV2M_GPIO(port, pin) ((port) * RZV2M_PINS_PER_PORT + (pin))
+
+#endif /* __DT_BINDINGS_RZV2M_PINCTRL_H */