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doc: Add dt-bindings and descriptions for ADI SC5xx-family pinctrl

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This adds the necessary dt-bindings and documentation to use the ADI
SC5xx pinctrl driver in a device tree. It is not yet available upstream
in the Linux kernel. Eventually, it will be moved there.

Signed-off-by: Vasileios Bimpikas <vasileios.bimpikas@analog.com>
Signed-off-by: Utsav Agarwal <utsav.agarwal@analog.com>
Signed-off-by: Arturs Artamonovs <arturs.artamonovs@analog.com>
Signed-off-by: Greg Malysa <malysagreg@gmail.com>
This commit is contained in:
Greg Malysa
2025-02-26 12:30:24 -05:00
committed by Tom Rini
parent 79ccd6c7dc
commit a0ffd8d7cd
3 changed files with 96 additions and 0 deletions
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21
include/dt-bindings/pinctrl/adi-adsp.h Normal file
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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* (C) Copyright 2022 - Analog Devices, Inc.
*
* Written and/or maintained by Timesys Corporation
*
* Contact: Nathan Barrett-Morrison <nathan.morrison@timesys.com>
* Contact: Greg Malysa <greg.malysa@timesys.com>
*
*/
#ifndef DT_BINDINGS_PINCTRL_ADI_ADSP
#define DT_BINDINGS_PINCTRL_ADI_ADSP
#define ADI_ADSP_PIN(port, pin) (16 * ((port) - 'A') + (pin))
#define ADI_ADSP_PINFUNC_ALT0 0
#define ADI_ADSP_PINFUNC_ALT1 1
#define ADI_ADSP_PINFUNC_ALT2 2
#define ADI_ADSP_PINFUNC_ALT3 3
#endif