1 /* 2 * fan53555.h - Fairchild Regulator FAN53555 Driver 3 * 4 * Copyright (C) 2012 Marvell Technology Ltd. 5 * Yunfan Zhang <yfzhang@marvell.com> 6 * 7 * This package is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License version 2 as 9 * published by the Free Software Foundation. 10 * 11 */ 12 13 #ifndef __FAN53555_H__ 14 15 /* VSEL ID */ 16 enum { 17 FAN53555_VSEL_ID_0 = 0, 18 FAN53555_VSEL_ID_1, 19 }; 20 21 /* Transition slew rate limiting from a low to high voltage. 22 * ----------------------- 23 * Bin |Slew Rate(mV/uS) 24 * ------|---------------- 25 * 000 | 64.00 26 * ------|---------------- 27 * 001 | 32.00 28 * ------|---------------- 29 * 010 | 16.00 30 * ------|---------------- 31 * 011 | 8.00 32 * ------|---------------- 33 * 100 | 4.00 34 * ------|---------------- 35 * 101 | 2.00 36 * ------|---------------- 37 * 110 | 1.00 38 * ------|---------------- 39 * 111 | 0.50 40 * ----------------------- 41 */ 42 enum { 43 FAN53555_SLEW_RATE_64MV = 0, 44 FAN53555_SLEW_RATE_32MV, 45 FAN53555_SLEW_RATE_16MV, 46 FAN53555_SLEW_RATE_8MV, 47 FAN53555_SLEW_RATE_4MV, 48 FAN53555_SLEW_RATE_2MV, 49 FAN53555_SLEW_RATE_1MV, 50 FAN53555_SLEW_RATE_0_5MV, 51 }; 52 53 struct fan53555_platform_data { 54 struct regulator_init_data *regulator; 55 unsigned int slew_rate; 56 /* Sleep VSEL ID */ 57 unsigned int sleep_vsel_id; 58 }; 59 60 #endif /* __FAN53555_H__ */ 61