linux-stable/arch/arm/mach-at91/pm.h
Claudiu Beznea 475be50fc1 ARM: at91: pm: add support for 2.5V LDO regulator control
Add support to disable/enable 2.5V LDO regulator when entering/exiting
any ULP mode.

Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20210415105010.569620-15-claudiu.beznea@microchip.com
2021-07-19 14:32:12 +02:00

45 lines
987 B
C

/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* AT91 Power Management
*
* Copyright (C) 2005 David Brownell
*/
#ifndef __ARCH_ARM_MACH_AT91_PM
#define __ARCH_ARM_MACH_AT91_PM
#include <asm/proc-fns.h>
#include <linux/mfd/syscon/atmel-mc.h>
#include <soc/at91/at91sam9_ddrsdr.h>
#include <soc/at91/at91sam9_sdramc.h>
#include <soc/at91/sama7-ddr.h>
#include <soc/at91/sama7-sfrbu.h>
#define AT91_MEMCTRL_MC 0
#define AT91_MEMCTRL_SDRAMC 1
#define AT91_MEMCTRL_DDRSDR 2
#define AT91_PM_STANDBY 0x00
#define AT91_PM_ULP0 0x01
#define AT91_PM_ULP0_FAST 0x02
#define AT91_PM_ULP1 0x03
#define AT91_PM_BACKUP 0x04
#ifndef __ASSEMBLY__
struct at91_pm_data {
void __iomem *pmc;
void __iomem *ramc[2];
void __iomem *ramc_phy;
unsigned long uhp_udp_mask;
unsigned int memctrl;
unsigned int mode;
void __iomem *shdwc;
void __iomem *sfrbu;
unsigned int standby_mode;
unsigned int suspend_mode;
unsigned int pmc_mckr_offset;
unsigned int pmc_version;
};
#endif
#endif