1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __DT_POWER_DELIVERY_H
3 #define __DT_POWER_DELIVERY_H
5 /* Power delivery Power Data Object definitions */
6 #define PDO_TYPE_FIXED 0
7 #define PDO_TYPE_BATT 1
9 #define PDO_TYPE_APDO 3
11 #define PDO_TYPE_SHIFT 30
12 #define PDO_TYPE_MASK 0x3
14 #define PDO_TYPE(t) ((t) << PDO_TYPE_SHIFT)
16 #define PDO_VOLT_MASK 0x3ff
17 #define PDO_CURR_MASK 0x3ff
18 #define PDO_PWR_MASK 0x3ff
20 #define PDO_FIXED_DUAL_ROLE (1 << 29) /* Power role swap supported */
21 #define PDO_FIXED_SUSPEND (1 << 28) /* USB Suspend supported (Source) */
22 #define PDO_FIXED_HIGHER_CAP (1 << 28) /* Requires more than vSafe5V (Sink) */
23 #define PDO_FIXED_EXTPOWER (1 << 27) /* Externally powered */
24 #define PDO_FIXED_USB_COMM (1 << 26) /* USB communications capable */
25 #define PDO_FIXED_DATA_SWAP (1 << 25) /* Data role swap supported */
26 #define PDO_FIXED_VOLT_SHIFT 10 /* 50mV units */
27 #define PDO_FIXED_CURR_SHIFT 0 /* 10mA units */
29 #define PDO_FIXED_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_FIXED_VOLT_SHIFT)
30 #define PDO_FIXED_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_FIXED_CURR_SHIFT)
32 #define PDO_FIXED(mv, ma, flags) \
33 (PDO_TYPE(PDO_TYPE_FIXED) | (flags) | \
34 PDO_FIXED_VOLT(mv) | PDO_FIXED_CURR(ma))
36 #define VSAFE5V 5000 /* mv units */
38 #define PDO_BATT_MAX_VOLT_SHIFT 20 /* 50mV units */
39 #define PDO_BATT_MIN_VOLT_SHIFT 10 /* 50mV units */
40 #define PDO_BATT_MAX_PWR_SHIFT 0 /* 250mW units */
42 #define PDO_BATT_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MIN_VOLT_SHIFT)
43 #define PDO_BATT_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MAX_VOLT_SHIFT)
44 #define PDO_BATT_MAX_POWER(mw) ((((mw) / 250) & PDO_PWR_MASK) << PDO_BATT_MAX_PWR_SHIFT)
46 #define PDO_BATT(min_mv, max_mv, max_mw) \
47 (PDO_TYPE(PDO_TYPE_BATT) | PDO_BATT_MIN_VOLT(min_mv) | \
48 PDO_BATT_MAX_VOLT(max_mv) | PDO_BATT_MAX_POWER(max_mw))
50 #define PDO_VAR_MAX_VOLT_SHIFT 20 /* 50mV units */
51 #define PDO_VAR_MIN_VOLT_SHIFT 10 /* 50mV units */
52 #define PDO_VAR_MAX_CURR_SHIFT 0 /* 10mA units */
54 #define PDO_VAR_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MIN_VOLT_SHIFT)
55 #define PDO_VAR_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MAX_VOLT_SHIFT)
56 #define PDO_VAR_MAX_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_VAR_MAX_CURR_SHIFT)
58 #define PDO_VAR(min_mv, max_mv, max_ma) \
59 (PDO_TYPE(PDO_TYPE_VAR) | PDO_VAR_MIN_VOLT(min_mv) | \
60 PDO_VAR_MAX_VOLT(max_mv) | PDO_VAR_MAX_CURR(max_ma))
62 #endif /* __DT_POWER_DELIVERY_H */