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Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* adc.h -- Driver for NXP PCF50633 ADC
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*
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* (C) 2006-2008 by Openmoko, Inc.
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* All rights reserved.
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*/
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#ifndef __LINUX_MFD_PCF50633_ADC_H
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#define __LINUX_MFD_PCF50633_ADC_H
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#include <linux/mfd/pcf50633/core.h>
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#include <linux/platform_device.h>
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/* ADC Registers */
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#define PCF50633_REG_ADCC3 0x52
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#define PCF50633_REG_ADCC2 0x53
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#define PCF50633_REG_ADCC1 0x54
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#define PCF50633_REG_ADCS1 0x55
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#define PCF50633_REG_ADCS2 0x56
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#define PCF50633_REG_ADCS3 0x57
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#define PCF50633_ADCC1_ADCSTART 0x01
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#define PCF50633_ADCC1_RES_8BIT 0x02
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#define PCF50633_ADCC1_RES_10BIT 0x00
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#define PCF50633_ADCC1_AVERAGE_NO 0x00
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#define PCF50633_ADCC1_AVERAGE_4 0x04
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#define PCF50633_ADCC1_AVERAGE_8 0x08
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#define PCF50633_ADCC1_AVERAGE_16 0x0c
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#define PCF50633_ADCC1_MUX_BATSNS_RES 0x00
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#define PCF50633_ADCC1_MUX_BATSNS_SUBTR 0x10
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#define PCF50633_ADCC1_MUX_ADCIN2_RES 0x20
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#define PCF50633_ADCC1_MUX_ADCIN2_SUBTR 0x30
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#define PCF50633_ADCC1_MUX_BATTEMP 0x60
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#define PCF50633_ADCC1_MUX_ADCIN1 0x70
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#define PCF50633_ADCC1_AVERAGE_MASK 0x0c
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#define PCF50633_ADCC1_ADCMUX_MASK 0xf0
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#define PCF50633_ADCC2_RATIO_NONE 0x00
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#define PCF50633_ADCC2_RATIO_BATTEMP 0x01
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#define PCF50633_ADCC2_RATIO_ADCIN1 0x02
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#define PCF50633_ADCC2_RATIO_BOTH 0x03
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#define PCF50633_ADCC2_RATIOSETTL_100US 0x04
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#define PCF50633_ADCC3_ACCSW_EN 0x01
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#define PCF50633_ADCC3_NTCSW_EN 0x04
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#define PCF50633_ADCC3_RES_DIV_TWO 0x10
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#define PCF50633_ADCC3_RES_DIV_THREE 0x00
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#define PCF50633_ADCS3_REF_NTCSW 0x00
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#define PCF50633_ADCS3_REF_ACCSW 0x10
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#define PCF50633_ADCS3_REF_2V0 0x20
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#define PCF50633_ADCS3_REF_VISA 0x30
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#define PCF50633_ADCS3_REF_2V0_2 0x70
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#define PCF50633_ADCS3_ADCRDY 0x80
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#define PCF50633_ADCS3_ADCDAT1L_MASK 0x03
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#define PCF50633_ADCS3_ADCDAT2L_MASK 0x0c
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#define PCF50633_ADCS3_ADCDAT2L_SHIFT 2
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#define PCF50633_ASCS3_REF_MASK 0x70
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extern int
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pcf50633_adc_async_read(struct pcf50633 *pcf, int mux, int avg,
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void (*callback)(struct pcf50633 *, void *, int),
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void *callback_param);
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extern int
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pcf50633_adc_sync_read(struct pcf50633 *pcf, int mux, int avg);
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#endif /* __LINUX_PCF50633_ADC_H */
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