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dt-bindings: Add Tegra PMC pad configuration bindings

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Document the PMC pinctrl bindings for pad power state and signaling
voltage configuration. Both nvidia,tegra186-pmc.txt and
nvidia,tegra20-pmc.txt are modified as they both cover SoC generations
for which these bindings apply.

Add a header defining Tegra PMC pad voltage configurations.

Signed-off-by: Aapo Vienamo <avienamo@nvidia.com>
Acked-by: Jon Hunter <jonathanh@nvidia.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Aapo Vienamo
2018-08-10 21:08:03 +03:00
committed by Thierry Reding
parent 5b394b2ddf
commit d9be10edf7
3 changed files with 214 additions and 0 deletions
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18
include/dt-bindings/pinctrl/pinctrl-tegra-io-pad.h Normal file
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/* SPDX-License-Identifier: GPL-2.0 */
/*
* pinctrl-tegra-io-pad.h: Tegra I/O pad source voltage configuration constants
* pinctrl bindings.
*
* Copyright (c) 2018, NVIDIA CORPORATION. All rights reserved.
*
* Author: Aapo Vienamo <avienamo@nvidia.com>
*/
#ifndef _DT_BINDINGS_PINCTRL_TEGRA_IO_PAD_H
#define _DT_BINDINGS_PINCTRL_TEGRA_IO_PAD_H
/* Voltage levels of the I/O pad's source rail */
#define TEGRA_IO_PAD_VOLTAGE_1V8 0
#define TEGRA_IO_PAD_VOLTAGE_3V3 1
#endif