Merge commit '53633a893a06bd5a0c807287d9cc29337806eaf7' as 'dts/upstream'
diff --git a/dts/upstream/include/dt-bindings/pinctrl/rzg2l-pinctrl.h b/dts/upstream/include/dt-bindings/pinctrl/rzg2l-pinctrl.h
new file mode 100644
index 0000000..c78ed5e
--- /dev/null
+++ b/dts/upstream/include/dt-bindings/pinctrl/rzg2l-pinctrl.h
@@ -0,0 +1,23 @@
+/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
+/*
+ * This header provides constants for Renesas RZ/G2L family pinctrl bindings.
+ *
+ * Copyright (C) 2021 Renesas Electronics Corp.
+ *
+ */
+
+#ifndef __DT_BINDINGS_RZG2L_PINCTRL_H
+#define __DT_BINDINGS_RZG2L_PINCTRL_H
+
+#define RZG2L_PINS_PER_PORT 8
+
+/*
+ * Create the pin index from its bank and position numbers and store in
+ * the upper 16 bits the alternate function identifier
+ */
+#define RZG2L_PORT_PINMUX(b, p, f) ((b) * RZG2L_PINS_PER_PORT + (p) | ((f) << 16))
+
+/* Convert a port and pin label to its global pin index */
+#define RZG2L_GPIO(port, pin) ((port) * RZG2L_PINS_PER_PORT + (pin))
+
+#endif /* __DT_BINDINGS_RZG2L_PINCTRL_H */