alistair23-linux/include/linux/platform_data/voltage-omap.h
Thomas Gleixner d2912cb15b treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500
Based on 2 normalized pattern(s):

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation

  this program is free software you can redistribute it and or modify
  it under the terms of the gnu general public license version 2 as
  published by the free software foundation #

extracted by the scancode license scanner the SPDX license identifier

  GPL-2.0-only

has been chosen to replace the boilerplate/reference in 4122 file(s).

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Enrico Weigelt <info@metux.net>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190604081206.933168790@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-06-19 17:09:55 +02:00

37 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0-only */
/*
* OMAP Voltage Management Routines
*
* Copyright (C) 2011, Texas Instruments, Inc.
*/
#ifndef __ARCH_ARM_OMAP_VOLTAGE_H
#define __ARCH_ARM_OMAP_VOLTAGE_H
/**
* struct omap_volt_data - Omap voltage specific data.
* @voltage_nominal: The possible voltage value in uV
* @sr_efuse_offs: The offset of the efuse register(from system
* control module base address) from where to read
* the n-target value for the smartreflex module.
* @sr_errminlimit: Error min limit value for smartreflex. This value
* differs at differnet opp and thus is linked
* with voltage.
* @vp_errorgain: Error gain value for the voltage processor. This
* field also differs according to the voltage/opp.
*/
struct omap_volt_data {
u32 volt_nominal;
u32 sr_efuse_offs;
u8 sr_errminlimit;
u8 vp_errgain;
};
struct voltagedomain;
struct voltagedomain *voltdm_lookup(const char *name);
int voltdm_scale(struct voltagedomain *voltdm, unsigned long target_volt);
unsigned long voltdm_get_voltage(struct voltagedomain *voltdm);
struct omap_volt_data *omap_voltage_get_voltdata(struct voltagedomain *voltdm,
unsigned long volt);
#endif