[mirror_ubuntu-hirsute-kernel.git] / include / linux / platform_data / voltage-omap.h

/* 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
Commit	Line	Data
d2912cb1	1	/* SPDX-License-Identifier: GPL-2.0-only */
42b43945 TK	2	/*
	3	* OMAP Voltage Management Routines
	4	*
	5	* Copyright (C) 2011, Texas Instruments, Inc.
42b43945 TK	6	*/
	7
	8	#ifndef __ARCH_ARM_OMAP_VOLTAGE_H
	9	#define __ARCH_ARM_OMAP_VOLTAGE_H
	10
fa60be6e K	11	/**
	12	* struct omap_volt_data - Omap voltage specific data.
	13	* @voltage_nominal: The possible voltage value in uV
	14	* @sr_efuse_offs: The offset of the efuse register(from system
	15	* control module base address) from where to read
	16	* the n-target value for the smartreflex module.
	17	* @sr_errminlimit: Error min limit value for smartreflex. This value
	18	* differs at differnet opp and thus is linked
	19	* with voltage.
	20	* @vp_errorgain: Error gain value for the voltage processor. This
	21	* field also differs according to the voltage/opp.
	22	*/
	23	struct omap_volt_data {
	24	u32 volt_nominal;
	25	u32 sr_efuse_offs;
	26	u8 sr_errminlimit;
	27	u8 vp_errgain;
	28	};
42b43945 TK	29	struct voltagedomain;
	30
	31	struct voltagedomain voltdm_lookup(const char name);
	32	int voltdm_scale(struct voltagedomain *voltdm, unsigned long target_volt);
	33	unsigned long voltdm_get_voltage(struct voltagedomain *voltdm);
fa60be6e K	34	struct omap_volt_data omap_voltage_get_voltdata(struct voltagedomain voltdm,
fa60be6e K	35	unsigned long volt);
42b43945	36	#endif