xref: /openbmc/linux/include/linux/mfd/bd9571mwv.h (revision 74ce1896)
1 /*
2  * ROHM BD9571MWV-M driver
3  *
4  * Copyright (C) 2017 Marek Vasut <marek.vasut+renesas@gmail.com>
5  *
6  * This program is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU General Public License version 2 as
8  * published by the Free Software Foundation.
9  *
10  * This program is distributed "as is" WITHOUT ANY WARRANTY of any
11  * kind, whether expressed or implied; without even the implied warranty
12  * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  * GNU General Public License version 2 for more details.
14  *
15  * Based on the TPS65086 driver
16  */
17 
18 #ifndef __LINUX_MFD_BD9571MWV_H
19 #define __LINUX_MFD_BD9571MWV_H
20 
21 #include <linux/device.h>
22 #include <linux/regmap.h>
23 
24 /* List of registers for BD9571MWV */
25 #define BD9571MWV_VENDOR_CODE			0x00
26 #define BD9571MWV_VENDOR_CODE_VAL		0xdb
27 #define BD9571MWV_PRODUCT_CODE			0x01
28 #define BD9571MWV_PRODUCT_CODE_VAL		0x60
29 #define BD9571MWV_PRODUCT_REVISION		0x02
30 
31 #define BD9571MWV_I2C_FUSA_MODE			0x10
32 #define BD9571MWV_I2C_MD2_E1_BIT_1		0x11
33 #define BD9571MWV_I2C_MD2_E1_BIT_2		0x12
34 
35 #define BD9571MWV_BKUP_MODE_CNT			0x20
36 #define BD9571MWV_BKUP_MODE_STATUS		0x21
37 #define BD9571MWV_BKUP_RECOVERY_CNT		0x22
38 #define BD9571MWV_BKUP_CTRL_TIM_CNT		0x23
39 #define BD9571MWV_WAITBKUP_WDT_CNT		0x24
40 #define BD9571MWV_128H_TIM_CNT			0x26
41 #define BD9571MWV_QLLM_CNT			0x27
42 
43 #define BD9571MWV_AVS_SET_MONI			0x31
44 #define BD9571MWV_AVS_SET_MONI_MASK		0x3
45 #define BD9571MWV_AVS_VD09_VID(n)		(0x32 + (n))
46 #define BD9571MWV_AVS_DVFS_VID(n)		(0x36 + (n))
47 
48 #define BD9571MWV_VD18_VID			0x42
49 #define BD9571MWV_VD25_VID			0x43
50 #define BD9571MWV_VD33_VID			0x44
51 
52 #define BD9571MWV_DVFS_VINIT			0x50
53 #define BD9571MWV_DVFS_SETVMAX			0x52
54 #define BD9571MWV_DVFS_BOOSTVID			0x53
55 #define BD9571MWV_DVFS_SETVID			0x54
56 #define BD9571MWV_DVFS_MONIVDAC			0x55
57 #define BD9571MWV_DVFS_PGD_CNT			0x56
58 
59 #define BD9571MWV_GPIO_DIR			0x60
60 #define BD9571MWV_GPIO_OUT			0x61
61 #define BD9571MWV_GPIO_IN			0x62
62 #define BD9571MWV_GPIO_DEB			0x63
63 #define BD9571MWV_GPIO_INT_SET			0x64
64 #define BD9571MWV_GPIO_INT			0x65
65 #define BD9571MWV_GPIO_INTMASK			0x66
66 
67 #define BD9571MWV_REG_KEEP(n)			(0x70 + (n))
68 
69 #define BD9571MWV_PMIC_INTERNAL_STATUS		0x80
70 #define BD9571MWV_PROT_ERROR_STATUS0		0x81
71 #define BD9571MWV_PROT_ERROR_STATUS1		0x82
72 #define BD9571MWV_PROT_ERROR_STATUS2		0x83
73 #define BD9571MWV_PROT_ERROR_STATUS3		0x84
74 #define BD9571MWV_PROT_ERROR_STATUS4		0x85
75 
76 #define BD9571MWV_INT_INTREQ			0x90
77 #define BD9571MWV_INT_INTREQ_MD1_INT		BIT(0)
78 #define BD9571MWV_INT_INTREQ_MD2_E1_INT		BIT(1)
79 #define BD9571MWV_INT_INTREQ_MD2_E2_INT		BIT(2)
80 #define BD9571MWV_INT_INTREQ_PROT_ERR_INT	BIT(3)
81 #define BD9571MWV_INT_INTREQ_GP_INT		BIT(4)
82 #define BD9571MWV_INT_INTREQ_128H_OF_INT	BIT(5)
83 #define BD9571MWV_INT_INTREQ_WDT_OF_INT		BIT(6)
84 #define BD9571MWV_INT_INTREQ_BKUP_TRG_INT	BIT(7)
85 #define BD9571MWV_INT_INTMASK			0x91
86 
87 #define BD9571MWV_ACCESS_KEY			0xff
88 
89 /* Define the BD9571MWV IRQ numbers */
90 enum bd9571mwv_irqs {
91 	BD9571MWV_IRQ_MD1,
92 	BD9571MWV_IRQ_MD2_E1,
93 	BD9571MWV_IRQ_MD2_E2,
94 	BD9571MWV_IRQ_PROT_ERR,
95 	BD9571MWV_IRQ_GP,
96 	BD9571MWV_IRQ_128H_OF,
97 	BD9571MWV_IRQ_WDT_OF,
98 	BD9571MWV_IRQ_BKUP_TRG,
99 };
100 
101 /**
102  * struct bd9571mwv - state holder for the bd9571mwv driver
103  *
104  * Device data may be used to access the BD9571MWV chip
105  */
106 struct bd9571mwv {
107 	struct device *dev;
108 	struct regmap *regmap;
109 
110 	/* IRQ Data */
111 	int irq;
112 	struct regmap_irq_chip_data *irq_data;
113 };
114 
115 #endif /* __LINUX_MFD_BD9571MWV_H */
116