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authorLinus Walleij <linus.walleij@linaro.org>2021-08-14 00:39:33 +0200
committerLinus Walleij <linus.walleij@linaro.org>2021-08-14 00:39:33 +0200
commit8cd99e3e22e208e027e60efd2bcbd293c48845ba (patch)
treef347516d3aa551fef437bf0d01f1ea0eb3777130 /include/dt-bindings
parentMAINTAINERS: Add maintainers for amd-pinctrl driver (diff)
parentpinctrl: renesas: Add RZ/G2L pin and gpio controller driver (diff)
downloadlinux-8cd99e3e22e208e027e60efd2bcbd293c48845ba.tar.xz
linux-8cd99e3e22e208e027e60efd2bcbd293c48845ba.zip
Merge tag 'renesas-pinctrl-for-v5.15-tag2' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/renesas-drivers into devel
pinctrl: renesas: Updates for v5.15 (take two) - Add pin control and GPIO support for the new RZ/G2L SoC.
Diffstat (limited to 'include/dt-bindings')
-rw-r--r--include/dt-bindings/pinctrl/rzg2l-pinctrl.h23
1 files changed, 23 insertions, 0 deletions
diff --git a/include/dt-bindings/pinctrl/rzg2l-pinctrl.h b/include/dt-bindings/pinctrl/rzg2l-pinctrl.h
new file mode 100644
index 000000000000..b48f8c7a5556
--- /dev/null
+++ b/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 */