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-rw-r--r--include/dt-bindings/pinctrl/r7s72100-pinctrl.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/dt-bindings/pinctrl/r7s72100-pinctrl.h b/include/dt-bindings/pinctrl/r7s72100-pinctrl.h
new file mode 100644
index 000000000..cdb950246
--- /dev/null
+++ b/include/dt-bindings/pinctrl/r7s72100-pinctrl.h
@@ -0,0 +1,17 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Defines macros and constants for Renesas RZ/A1 pin controller pin
+ * muxing functions.
+ */
+#ifndef __DT_BINDINGS_PINCTRL_RENESAS_RZA1_H
+#define __DT_BINDINGS_PINCTRL_RENESAS_RZA1_H
+
+#define RZA1_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 RZA1_PINMUX(b, p, f) ((b) * RZA1_PINS_PER_PORT + (p) | (f << 16))
+
+#endif /* __DT_BINDINGS_PINCTRL_RENESAS_RZA1_H */