1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * adc.h -- Driver for NXP PCF50633 ADC 4 * 5 * (C) 2006-2008 by Openmoko, Inc. 6 * All rights reserved. 7 */ 8 9 #ifndef __LINUX_MFD_PCF50633_ADC_H 10 #define __LINUX_MFD_PCF50633_ADC_H 11 12 #include <linux/mfd/pcf50633/core.h> 13 #include <linux/platform_device.h> 14 15 /* ADC Registers */ 16 #define PCF50633_REG_ADCC3 0x52 17 #define PCF50633_REG_ADCC2 0x53 18 #define PCF50633_REG_ADCC1 0x54 19 #define PCF50633_REG_ADCS1 0x55 20 #define PCF50633_REG_ADCS2 0x56 21 #define PCF50633_REG_ADCS3 0x57 22 23 #define PCF50633_ADCC1_ADCSTART 0x01 24 #define PCF50633_ADCC1_RES_8BIT 0x02 25 #define PCF50633_ADCC1_RES_10BIT 0x00 26 #define PCF50633_ADCC1_AVERAGE_NO 0x00 27 #define PCF50633_ADCC1_AVERAGE_4 0x04 28 #define PCF50633_ADCC1_AVERAGE_8 0x08 29 #define PCF50633_ADCC1_AVERAGE_16 0x0c 30 #define PCF50633_ADCC1_MUX_BATSNS_RES 0x00 31 #define PCF50633_ADCC1_MUX_BATSNS_SUBTR 0x10 32 #define PCF50633_ADCC1_MUX_ADCIN2_RES 0x20 33 #define PCF50633_ADCC1_MUX_ADCIN2_SUBTR 0x30 34 #define PCF50633_ADCC1_MUX_BATTEMP 0x60 35 #define PCF50633_ADCC1_MUX_ADCIN1 0x70 36 #define PCF50633_ADCC1_AVERAGE_MASK 0x0c 37 #define PCF50633_ADCC1_ADCMUX_MASK 0xf0 38 39 #define PCF50633_ADCC2_RATIO_NONE 0x00 40 #define PCF50633_ADCC2_RATIO_BATTEMP 0x01 41 #define PCF50633_ADCC2_RATIO_ADCIN1 0x02 42 #define PCF50633_ADCC2_RATIO_BOTH 0x03 43 #define PCF50633_ADCC2_RATIOSETTL_100US 0x04 44 45 #define PCF50633_ADCC3_ACCSW_EN 0x01 46 #define PCF50633_ADCC3_NTCSW_EN 0x04 47 #define PCF50633_ADCC3_RES_DIV_TWO 0x10 48 #define PCF50633_ADCC3_RES_DIV_THREE 0x00 49 50 #define PCF50633_ADCS3_REF_NTCSW 0x00 51 #define PCF50633_ADCS3_REF_ACCSW 0x10 52 #define PCF50633_ADCS3_REF_2V0 0x20 53 #define PCF50633_ADCS3_REF_VISA 0x30 54 #define PCF50633_ADCS3_REF_2V0_2 0x70 55 #define PCF50633_ADCS3_ADCRDY 0x80 56 57 #define PCF50633_ADCS3_ADCDAT1L_MASK 0x03 58 #define PCF50633_ADCS3_ADCDAT2L_MASK 0x0c 59 #define PCF50633_ADCS3_ADCDAT2L_SHIFT 2 60 #define PCF50633_ASCS3_REF_MASK 0x70 61 62 extern int 63 pcf50633_adc_async_read(struct pcf50633 *pcf, int mux, int avg, 64 void (*callback)(struct pcf50633 *, void *, int), 65 void *callback_param); 66 extern int 67 pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg); 68 69 #endif /* __LINUX_PCF50633_ADC_H */ 70