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34e3b69b1e
Add device tree binding documentation and header file for Renesas RZ/V2M pinctrl. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Reviewed-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20220624084833.22605-2-phil.edworthy@renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
23 lines
694 B
C
23 lines
694 B
C
/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */
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/*
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* This header provides constants for Renesas RZ/V2M pinctrl bindings.
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*
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* Copyright (C) 2022 Renesas Electronics Corp.
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*
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*/
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#ifndef __DT_BINDINGS_RZV2M_PINCTRL_H
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#define __DT_BINDINGS_RZV2M_PINCTRL_H
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#define RZV2M_PINS_PER_PORT 16
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/*
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* Create the pin index from its bank and position numbers and store in
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* the upper 16 bits the alternate function identifier
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*/
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#define RZV2M_PORT_PINMUX(b, p, f) ((b) * RZV2M_PINS_PER_PORT + (p) | ((f) << 16))
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/* Convert a port and pin label to its global pin index */
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#define RZV2M_GPIO(port, pin) ((port) * RZV2M_PINS_PER_PORT + (pin))
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#endif /* __DT_BINDINGS_RZV2M_PINCTRL_H */
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