xref: /OK3568_Linux_fs/u-boot/arch/arm/mach-exynos/include/mach/adc.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun  *  Copyright (C) 2010 Samsung Electronics
3*4882a593Smuzhiyun  *  Minkyu Kang <mk7.kang@samsung.com>
4*4882a593Smuzhiyun  *  MyungJoo Ham <myungjoo.ham@samsung.com>
5*4882a593Smuzhiyun  *
6*4882a593Smuzhiyun  * SPDX-License-Identifier:	GPL-2.0+
7*4882a593Smuzhiyun  */
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #ifndef __ASM_ARM_ARCH_ADC_H_
10*4882a593Smuzhiyun #define __ASM_ARM_ARCH_ADC_H_
11*4882a593Smuzhiyun 
12*4882a593Smuzhiyun #define ADC_V2_CON1_SOFT_RESET		(0x2 << 1)
13*4882a593Smuzhiyun #define ADC_V2_CON1_STC_EN		0x1
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #define ADC_V2_CON2_OSEL(x)		(((x) & 0x1) << 10)
16*4882a593Smuzhiyun #define OSEL_2S				0x0
17*4882a593Smuzhiyun #define OSEL_BINARY			0x1
18*4882a593Smuzhiyun #define ADC_V2_CON2_ESEL(x)		(((x) & 0x1) << 9)
19*4882a593Smuzhiyun #define ESEL_ADC_EVAL_TIME_40CLK	0x0
20*4882a593Smuzhiyun #define ESEL_ADC_EVAL_TIME_20CLK	0x1
21*4882a593Smuzhiyun #define ADC_V2_CON2_HIGHF(x)		(((x) & 0x1) << 8)
22*4882a593Smuzhiyun #define HIGHF_CONV_RATE_30KSPS		0x0
23*4882a593Smuzhiyun #define HIGHF_CONV_RATE_600KSPS		0x1
24*4882a593Smuzhiyun #define ADC_V2_CON2_C_TIME(x)		(((x) & 0x7) << 4)
25*4882a593Smuzhiyun #define ADC_V2_CON2_CHAN_SEL_MASK	0xf
26*4882a593Smuzhiyun #define ADC_V2_CON2_CHAN_SEL(x)		((x) & ADC_V2_CON2_CHAN_SEL_MASK)
27*4882a593Smuzhiyun 
28*4882a593Smuzhiyun #define ADC_V2_GET_STATUS_FLAG(x)	(((x) >> 2) & 0x1)
29*4882a593Smuzhiyun #define FLAG_CONV_END			0x1
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #define ADC_V2_INT_DISABLE		0x0
32*4882a593Smuzhiyun #define ADC_V2_INT_ENABLE		0x1
33*4882a593Smuzhiyun #define INT_NOT_GENERATED		0x0
34*4882a593Smuzhiyun #define INT_GENERATED			0x1
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun #define ADC_V2_VERSION			0x80000008
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #define ADC_V2_MAX_CHANNEL		9
39*4882a593Smuzhiyun 
40*4882a593Smuzhiyun /* For default 8 time convertion with sample rate 600 kSPS - 15us timeout */
41*4882a593Smuzhiyun #define ADC_V2_CONV_TIMEOUT_US		15
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun #define ADC_V2_DAT_MASK			0xfff
44*4882a593Smuzhiyun 
45*4882a593Smuzhiyun #ifndef __ASSEMBLY__
46*4882a593Smuzhiyun struct s5p_adc {
47*4882a593Smuzhiyun 	unsigned int adccon;
48*4882a593Smuzhiyun 	unsigned int adctsc;
49*4882a593Smuzhiyun 	unsigned int adcdly;
50*4882a593Smuzhiyun 	unsigned int adcdat0;
51*4882a593Smuzhiyun 	unsigned int adcdat1;
52*4882a593Smuzhiyun 	unsigned int adcupdn;
53*4882a593Smuzhiyun 	unsigned int adcclrint;
54*4882a593Smuzhiyun 	unsigned int adcmux;
55*4882a593Smuzhiyun 	unsigned int adcclrintpndnup;
56*4882a593Smuzhiyun };
57*4882a593Smuzhiyun 
58*4882a593Smuzhiyun struct exynos_adc_v2 {
59*4882a593Smuzhiyun 	unsigned int con1;
60*4882a593Smuzhiyun 	unsigned int con2;
61*4882a593Smuzhiyun 	unsigned int status;
62*4882a593Smuzhiyun 	unsigned int dat;
63*4882a593Smuzhiyun 	unsigned int int_en;
64*4882a593Smuzhiyun 	unsigned int int_status;
65*4882a593Smuzhiyun 	unsigned int reserved[2];
66*4882a593Smuzhiyun 	unsigned int version;
67*4882a593Smuzhiyun };
68*4882a593Smuzhiyun #endif
69*4882a593Smuzhiyun 
70*4882a593Smuzhiyun #endif /* __ASM_ARM_ARCH_ADC_H_ */
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