upstream u-boot with additional patches for our devices/boards:
https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ;
Gbit ethernet patch for some LIME2 revisions ;
with SPI flash support
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81 lines
2.4 KiB
81 lines
2.4 KiB
/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (c) 2016, NVIDIA CORPORATION.
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*/
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#ifndef _POWER_DOMAIN_UCLASS_H
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#define _POWER_DOMAIN_UCLASS_H
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/* See power-domain.h for background documentation. */
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#include <power-domain.h>
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struct udevice;
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/**
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* struct power_domain_ops - The functions that a power domain controller driver
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* must implement.
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*/
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struct power_domain_ops {
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/**
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* of_xlate - Translate a client's device-tree (OF) power domain
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* specifier.
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*
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* The power domain core calls this function as the first step in
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* implementing a client's power_domain_get() call.
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*
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* If this function pointer is set to NULL, the power domain core will
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* use a default implementation, which assumes #power-domain-cells =
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* <1>, and that the DT cell contains a simple integer power domain ID.
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*
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* At present, the power domain API solely supports device-tree. If
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* this changes, other xxx_xlate() functions may be added to support
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* those other mechanisms.
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*
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* @power_domain: The power domain struct to hold the
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* translation result.
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* @args: The power domain specifier values from device
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* tree.
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* @return 0 if OK, or a negative error code.
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*/
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int (*of_xlate)(struct power_domain *power_domain,
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struct ofnode_phandle_args *args);
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/**
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* request - Request a translated power domain.
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*
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* The power domain core calls this function as the second step in
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* implementing a client's power_domain_get() call, following a
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* successful xxx_xlate() call.
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*
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* @power_domain: The power domain to request; this has been
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* filled in by a previous xxx_xlate() function
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* call.
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* @return 0 if OK, or a negative error code.
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*/
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int (*request)(struct power_domain *power_domain);
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/**
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* free - Free a previously requested power domain.
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*
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* This is the implementation of the client power_domain_free() API.
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*
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* @power_domain: The power domain to free.
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* @return 0 if OK, or a negative error code.
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*/
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int (*free)(struct power_domain *power_domain);
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/**
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* on - Power on a power domain.
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*
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* @power_domain: The power domain to turn on.
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* @return 0 if OK, or a negative error code.
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*/
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int (*on)(struct power_domain *power_domain);
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/**
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* off - Power off a power domain.
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*
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* @power_domain: The power domain to turn off.
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* @return 0 if OK, or a negative error code.
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*/
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int (*off)(struct power_domain *power_domain);
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};
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#endif
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