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| author | Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com> | 2021-07-27 14:23:25 +0300 |
|---|---|---|
| committer | Geert Uytterhoeven <geert+renesas@glider.be> | 2021-08-10 14:12:50 +0300 |
| commit | 7958f88aa6636f1927513c887a00e83168f12e35 (patch) | |
| tree | cee141ad6386b38a118e10e0179d5e5d53621940 /include/dt-bindings | |
| parent | 91d1be9fb7d667ae136f05cc645276eb2c9fa40e (diff) | |
| download | linux-7958f88aa6636f1927513c887a00e83168f12e35.tar.xz | |
dt-bindings: pinctrl: renesas: Add DT bindings for RZ/G2L pinctrl
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>
Diffstat (limited to 'include/dt-bindings')
| -rw-r--r-- | include/dt-bindings/pinctrl/rzg2l-pinctrl.h | 23 |
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 */ |