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| author | Phil Edworthy <phil.edworthy@renesas.com> | 2022-06-24 09:48:32 +0100 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2022-07-01 09:04:40 +0200 |
| commit | 34e3b69b1edc966f0f4dcdd880afba3a2dad8c09 (patch) | |
| tree | 91c52c85de83185f80ee6f448a2457368b27e736 /include/dt-bindings | |
| parent | 2f805cba10d7b3892707f160502ffb3ee57f4a52 (diff) | |
| download | linux-34e3b69b1edc966f0f4dcdd880afba3a2dad8c09.tar.gz | |
dt-bindings: pinctrl: Add DT bindings for Renesas RZ/V2M pinctrl
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>
Diffstat (limited to 'include/dt-bindings')
| -rw-r--r-- | include/dt-bindings/pinctrl/rzv2m-pinctrl.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/include/dt-bindings/pinctrl/rzv2m-pinctrl.h b/include/dt-bindings/pinctrl/rzv2m-pinctrl.h new file mode 100644 index 000000000000..525532cd15da --- /dev/null +++ b/include/dt-bindings/pinctrl/rzv2m-pinctrl.h @@ -0,0 +1,23 @@ +/* SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause) */ +/* + * This header provides constants for Renesas RZ/V2M pinctrl bindings. + * + * Copyright (C) 2022 Renesas Electronics Corp. + * + */ + +#ifndef __DT_BINDINGS_RZV2M_PINCTRL_H +#define __DT_BINDINGS_RZV2M_PINCTRL_H + +#define RZV2M_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 RZV2M_PORT_PINMUX(b, p, f) ((b) * RZV2M_PINS_PER_PORT + (p) | ((f) << 16)) + +/* Convert a port and pin label to its global pin index */ +#define RZV2M_GPIO(port, pin) ((port) * RZV2M_PINS_PER_PORT + (pin)) + +#endif /* __DT_BINDINGS_RZV2M_PINCTRL_H */ |