/* SPDX-License-Identifier: GPL-2.0-only */ /* * fan53555.h - Fairchild Regulator FAN53555 Driver * * Copyright (C) 2012 Marvell Technology Ltd. * Yunfan Zhang <yfzhang@marvell.com> */ #ifndef __FAN53555_H__ #define __FAN53555_H__ /* VSEL ID */ enum { FAN53555_VSEL_ID_0 = 0, FAN53555_VSEL_ID_1, }; /* Transition slew rate limiting from a low to high voltage. * ----------------------- * Bin |Slew Rate(mV/uS) * ------|---------------- * 000 | 64.00 * ------|---------------- * 001 | 32.00 * ------|---------------- * 010 | 16.00 * ------|---------------- * 011 | 8.00 * ------|---------------- * 100 | 4.00 * ------|---------------- * 101 | 2.00 * ------|---------------- * 110 | 1.00 * ------|---------------- * 111 | 0.50 * ----------------------- */ enum { FAN53555_SLEW_RATE_64MV = 0, FAN53555_SLEW_RATE_32MV, FAN53555_SLEW_RATE_16MV, FAN53555_SLEW_RATE_8MV, FAN53555_SLEW_RATE_4MV, FAN53555_SLEW_RATE_2MV, FAN53555_SLEW_RATE_1MV, FAN53555_SLEW_RATE_0_5MV, }; struct fan53555_platform_data { struct regulator_init_data *regulator; unsigned int slew_rate; /* Sleep VSEL ID */ unsigned int sleep_vsel_id; }; #endif /* __FAN53555_H__ */