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7958f88aa6
Add device tree binding documentation and header file for Renesas RZ/G2L pinctrl. Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> Reviewed-by: Biju Das <biju.das.jz@bp.renesas.com> Reviewed-by: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20210727112328.18809-2-prabhakar.mahadev-lad.rj@bp.renesas.com Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
24 lines
701 B
C
24 lines
701 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/G2L family pinctrl bindings.
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*
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* Copyright (C) 2021 Renesas Electronics Corp.
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*
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*/
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#ifndef __DT_BINDINGS_RZG2L_PINCTRL_H
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#define __DT_BINDINGS_RZG2L_PINCTRL_H
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#define RZG2L_PINS_PER_PORT 8
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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 RZG2L_PORT_PINMUX(b, p, f) ((b) * RZG2L_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 RZG2L_GPIO(port, pin) ((port) * RZG2L_PINS_PER_PORT + (pin))
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#endif /* __DT_BINDINGS_RZG2L_PINCTRL_H */
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