xref: /openbmc/linux/include/dt-bindings/usb/pd.h (revision 249592bf)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __DT_POWER_DELIVERY_H
3 #define __DT_POWER_DELIVERY_H
4 
5 /* Power delivery Power Data Object definitions */
6 #define PDO_TYPE_FIXED		0
7 #define PDO_TYPE_BATT		1
8 #define PDO_TYPE_VAR		2
9 #define PDO_TYPE_APDO		3
10 
11 #define PDO_TYPE_SHIFT		30
12 #define PDO_TYPE_MASK		0x3
13 
14 #define PDO_TYPE(t)	((t) << PDO_TYPE_SHIFT)
15 
16 #define PDO_VOLT_MASK		0x3ff
17 #define PDO_CURR_MASK		0x3ff
18 #define PDO_PWR_MASK		0x3ff
19 
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 */
28 
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)
31 
32 #define PDO_FIXED(mv, ma, flags)			\
33 	(PDO_TYPE(PDO_TYPE_FIXED) | (flags) |		\
34 	 PDO_FIXED_VOLT(mv) | PDO_FIXED_CURR(ma))
35 
36 #define VSAFE5V 5000 /* mv units */
37 
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 */
41 
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)
45 
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))
49 
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 */
53 
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)
57 
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))
61 
62 #define APDO_TYPE_PPS		0
63 
64 #define PDO_APDO_TYPE_SHIFT	28	/* Only valid value currently is 0x0 - PPS */
65 #define PDO_APDO_TYPE_MASK	0x3
66 
67 #define PDO_APDO_TYPE(t)	((t) << PDO_APDO_TYPE_SHIFT)
68 
69 #define PDO_PPS_APDO_MAX_VOLT_SHIFT	17	/* 100mV units */
70 #define PDO_PPS_APDO_MIN_VOLT_SHIFT	8	/* 100mV units */
71 #define PDO_PPS_APDO_MAX_CURR_SHIFT	0	/* 50mA units */
72 
73 #define PDO_PPS_APDO_VOLT_MASK	0xff
74 #define PDO_PPS_APDO_CURR_MASK	0x7f
75 
76 #define PDO_PPS_APDO_MIN_VOLT(mv)	\
77 	((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MIN_VOLT_SHIFT)
78 #define PDO_PPS_APDO_MAX_VOLT(mv)	\
79 	((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MAX_VOLT_SHIFT)
80 #define PDO_PPS_APDO_MAX_CURR(ma)	\
81 	((((ma) / 50) & PDO_PPS_APDO_CURR_MASK) << PDO_PPS_APDO_MAX_CURR_SHIFT)
82 
83 #define PDO_PPS_APDO(min_mv, max_mv, max_ma)					\
84 	(PDO_TYPE(PDO_TYPE_APDO) | PDO_APDO_TYPE(APDO_TYPE_PPS) |		\
85 	 PDO_PPS_APDO_MIN_VOLT(min_mv) | PDO_PPS_APDO_MAX_VOLT(max_mv) |	\
86 	 PDO_PPS_APDO_MAX_CURR(max_ma))
87 
88  /*
89   * Based on "Table 6-14 Fixed Supply PDO - Sink" of "USB Power Delivery Specification Revision 3.0,
90   * Version 1.2"
91   * Initial current capability of the new source when vSafe5V is applied.
92   */
93 #define FRS_DEFAULT_POWER      1
94 #define FRS_5V_1P5A            2
95 #define FRS_5V_3A              3
96 
97 /*
98  * SVDM Identity Header
99  * --------------------
100  * <31>     :: data capable as a USB host
101  * <30>     :: data capable as a USB device
102  * <29:27>  :: product type (UFP / Cable / VPD)
103  * <26>     :: modal operation supported (1b == yes)
104  * <25:23>  :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0)
105  * <22:21>  :: connector type (SVDM version 2.0+ only; set to zero in version 1.0)
106  * <20:16>  :: Reserved, Shall be set to zero
107  * <15:0>   :: USB-IF assigned VID for this cable vendor
108  */
109 /* SOP Product Type (UFP) */
110 #define IDH_PTYPE_NOT_UFP       0
111 #define IDH_PTYPE_HUB           1
112 #define IDH_PTYPE_PERIPH        2
113 #define IDH_PTYPE_PSD           3
114 #define IDH_PTYPE_AMA           5
115 
116 /* SOP' Product Type (Cable Plug / VPD) */
117 #define IDH_PTYPE_NOT_CABLE     0
118 #define IDH_PTYPE_PCABLE        3
119 #define IDH_PTYPE_ACABLE        4
120 #define IDH_PTYPE_VPD           6
121 
122 /* SOP Product Type (DFP) */
123 #define IDH_PTYPE_NOT_DFP       0
124 #define IDH_PTYPE_DFP_HUB       1
125 #define IDH_PTYPE_DFP_HOST      2
126 #define IDH_PTYPE_DFP_PB        3
127 
128 #define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid)                \
129 	((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27                \
130 	 | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21        \
131 	 | ((vid) & 0xffff))
132 
133 /*
134  * Cert Stat VDO
135  * -------------
136  * <31:0>  : USB-IF assigned XID for this cable
137  */
138 #define VDO_CERT(xid)		((xid) & 0xffffffff)
139 
140 /*
141  * Product VDO
142  * -----------
143  * <31:16> : USB Product ID
144  * <15:0>  : USB bcdDevice
145  */
146 #define VDO_PRODUCT(pid, bcd)   (((pid) & 0xffff) << 16 | ((bcd) & 0xffff))
147 
148 /*
149  * UFP VDO (PD Revision 3.0+ only)
150  * --------
151  * <31:29> :: UFP VDO version
152  * <28>    :: Reserved
153  * <27:24> :: Device capability
154  * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
155  * <21:11> :: Reserved
156  * <10:8>  :: Vconn power (AMA only)
157  * <7>     :: Vconn required (AMA only, 0b == no, 1b == yes)
158  * <6>     :: Vbus required (AMA only, 0b == yes, 1b == no)
159  * <5:3>   :: Alternate modes
160  * <2:0>   :: USB highest speed
161  */
162 /* UFP VDO Version */
163 #define UFP_VDO_VER1_2		2
164 
165 /* Device Capability */
166 #define DEV_USB2_CAPABLE	BIT(0)
167 #define DEV_USB2_BILLBOARD	BIT(1)
168 #define DEV_USB3_CAPABLE	BIT(2)
169 #define DEV_USB4_CAPABLE	BIT(3)
170 
171 /* Connector Type */
172 #define UFP_RECEPTACLE		2
173 #define UFP_CAPTIVE		3
174 
175 /* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */
176 #define AMA_VCONN_PWR_1W	0
177 #define AMA_VCONN_PWR_1W5	1
178 #define AMA_VCONN_PWR_2W	2
179 #define AMA_VCONN_PWR_3W	3
180 #define AMA_VCONN_PWR_4W	4
181 #define AMA_VCONN_PWR_5W	5
182 #define AMA_VCONN_PWR_6W	6
183 
184 /* Vconn Required (AMA only) */
185 #define AMA_VCONN_NOT_REQ	0
186 #define AMA_VCONN_REQ		1
187 
188 /* Vbus Required (AMA only) */
189 #define AMA_VBUS_REQ		0
190 #define AMA_VBUS_NOT_REQ	1
191 
192 /* Alternate Modes */
193 #define UFP_ALTMODE_NOT_SUPP	0
194 #define UFP_ALTMODE_TBT3	BIT(0)
195 #define UFP_ALTMODE_RECFG	BIT(1)
196 #define UFP_ALTMODE_NO_RECFG	BIT(2)
197 
198 /* USB Highest Speed */
199 #define UFP_USB2_ONLY		0
200 #define UFP_USB32_GEN1		1
201 #define UFP_USB32_4_GEN2	2
202 #define UFP_USB4_GEN3		3
203 
204 #define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd)			\
205 	(((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22	\
206 	 | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3	\
207 	 | ((spd) & 0x7))
208 
209 /*
210  * DFP VDO (PD Revision 3.0+ only)
211  * --------
212  * <31:29> :: DFP VDO version
213  * <28:27> :: Reserved
214  * <26:24> :: Host capability
215  * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
216  * <21:5>  :: Reserved
217  * <4:0>   :: Port number
218  */
219 #define DFP_VDO_VER1_1		1
220 #define HOST_USB2_CAPABLE	BIT(0)
221 #define HOST_USB3_CAPABLE	BIT(1)
222 #define HOST_USB4_CAPABLE	BIT(2)
223 #define DFP_RECEPTACLE		2
224 #define DFP_CAPTIVE		3
225 
226 #define VDO_DFP(ver, cap, conn, pnum)						\
227 	(((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22	\
228 	 | ((pnum) & 0x1f))
229 
230 /*
231  * Passive Cable VDO
232  * ---------
233  * <31:28> :: Cable HW version
234  * <27:24> :: Cable FW version
235  * <23:21> :: VDO version
236  * <20>    :: Reserved, Shall be set to zero
237  * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive)
238  * <17>    :: Reserved, Shall be set to zero
239  * <16:13> :: cable latency (0001 == <10ns(~1m length))
240  * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req)
241  * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
242  * <8:7>   :: Reserved, Shall be set to zero
243  * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
244  * <4:3>   :: Reserved, Shall be set to zero
245  * <2:0>   :: USB highest speed
246  *
247  * Active Cable VDO 1
248  * ---------
249  * <31:28> :: Cable HW version
250  * <27:24> :: Cable FW version
251  * <23:21> :: VDO version
252  * <20>    :: Reserved, Shall be set to zero
253  * <19:18> :: Connector type (10b == C, 11b == Captive)
254  * <17>    :: Reserved, Shall be set to zero
255  * <16:13> :: cable latency (0001 == <10ns(~1m length))
256  * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req)
257  * <10:9>  :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
258  * <8>     :: SBU supported (0b == supported, 1b == not supported)
259  * <7>     :: SBU type (0b == passive, 1b == active)
260  * <6:5>   :: Vbus current handling capability (01b == 3A, 10b == 5A)
261  * <4>     :: Vbus through cable (0b == no, 1b == yes)
262  * <3>     :: SOP" controller present? (0b == no, 1b == yes)
263  * <2:0>   :: USB highest speed
264  */
265 /* Cable VDO Version */
266 #define CABLE_VDO_VER1_0	0
267 #define CABLE_VDO_VER1_3	3
268 
269 /* Connector Type */
270 #define CABLE_CTYPE		2
271 #define CABLE_CAPTIVE		3
272 
273 /* Cable Latency */
274 #define CABLE_LATENCY_1M	1
275 #define CABLE_LATENCY_2M	2
276 #define CABLE_LATENCY_3M	3
277 #define CABLE_LATENCY_4M	4
278 #define CABLE_LATENCY_5M	5
279 #define CABLE_LATENCY_6M	6
280 #define CABLE_LATENCY_7M	7
281 #define CABLE_LATENCY_7M_PLUS	8
282 
283 /* Cable Termination Type */
284 #define PCABLE_VCONN_NOT_REQ	0
285 #define PCABLE_VCONN_REQ	1
286 #define ACABLE_ONE_END		2
287 #define ACABLE_BOTH_END		3
288 
289 /* Maximum Vbus Voltage */
290 #define CABLE_MAX_VBUS_20V	0
291 #define CABLE_MAX_VBUS_30V	1
292 #define CABLE_MAX_VBUS_40V	2
293 #define CABLE_MAX_VBUS_50V	3
294 
295 /* Active Cable SBU Supported/Type */
296 #define ACABLE_SBU_SUPP		0
297 #define ACABLE_SBU_NOT_SUPP	1
298 #define ACABLE_SBU_PASSIVE	0
299 #define ACABLE_SBU_ACTIVE	1
300 
301 /* Vbus Current Handling Capability */
302 #define CABLE_CURR_DEF		0
303 #define CABLE_CURR_3A		1
304 #define CABLE_CURR_5A		2
305 
306 /* USB Highest Speed */
307 #define CABLE_USB2_ONLY		0
308 #define CABLE_USB32_GEN1	1
309 #define CABLE_USB32_4_GEN2	2
310 #define CABLE_USB4_GEN3		3
311 
312 #define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd)			\
313 	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
314 	 | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
315 	 | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7))
316 #define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \
317 	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21		\
318 	 | ((conn) & 0x3) << 18	| ((lat) & 0xf) << 13 | ((term) & 0x3) << 11	\
319 	 | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5	\
320 	 | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
321 
322 /*
323  * Active Cable VDO 2
324  * ---------
325  * <31:24> :: Maximum operating temperature
326  * <23:16> :: Shutdown temperature
327  * <15>    :: Reserved, Shall be set to zero
328  * <14:12> :: U3/CLd power
329  * <11>    :: U3 to U0 transition mode (0b == direct, 1b == through U3S)
330  * <10>    :: Physical connection (0b == copper, 1b == optical)
331  * <9>     :: Active element (0b == redriver, 1b == retimer)
332  * <8>     :: USB4 supported (0b == yes, 1b == no)
333  * <7:6>   :: USB2 hub hops consumed
334  * <5>     :: USB2 supported (0b == yes, 1b == no)
335  * <4>     :: USB3.2 supported (0b == yes, 1b == no)
336  * <3>     :: USB lanes supported (0b == one lane, 1b == two lanes)
337  * <2>     :: Optically isolated active cable (0b == no, 1b == yes)
338  * <1>     :: Reserved, Shall be set to zero
339  * <0>     :: USB gen (0b == gen1, 1b == gen2+)
340  */
341 /* U3/CLd Power*/
342 #define ACAB2_U3_CLD_10MW_PLUS	0
343 #define ACAB2_U3_CLD_10MW	1
344 #define ACAB2_U3_CLD_5MW	2
345 #define ACAB2_U3_CLD_1MW	3
346 #define ACAB2_U3_CLD_500UW	4
347 #define ACAB2_U3_CLD_200UW	5
348 #define ACAB2_U3_CLD_50UW	6
349 
350 /* Other Active Cable VDO 2 Fields */
351 #define ACAB2_U3U0_DIRECT	0
352 #define ACAB2_U3U0_U3S		1
353 #define ACAB2_PHY_COPPER	0
354 #define ACAB2_PHY_OPTICAL	1
355 #define ACAB2_REDRIVER		0
356 #define ACAB2_RETIMER		1
357 #define ACAB2_USB4_SUPP		0
358 #define ACAB2_USB4_NOT_SUPP	1
359 #define ACAB2_USB2_SUPP		0
360 #define ACAB2_USB2_NOT_SUPP	1
361 #define ACAB2_USB32_SUPP	0
362 #define ACAB2_USB32_NOT_SUPP	1
363 #define ACAB2_LANES_ONE		0
364 #define ACAB2_LANES_TWO		1
365 #define ACAB2_OPT_ISO_NO	0
366 #define ACAB2_OPT_ISO_YES	1
367 #define ACAB2_GEN_1		0
368 #define ACAB2_GEN_2_PLUS	1
369 
370 #define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen)	\
371 	(((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12	\
372 	 | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8			\
373 	 | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3		\
374 	 | (iso) << 2 | (gen))
375 
376 /*
377  * VPD VDO
378  * ---------
379  * <31:28> :: HW version
380  * <27:24> :: FW version
381  * <23:21> :: VDO version
382  * <20:17> :: Reserved, Shall be set to zero
383  * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
384  * <14>    :: Charge through current support (0b == 3A, 1b == 5A)
385  * <13>    :: Reserved, Shall be set to zero
386  * <12:7>  :: Vbus impedance
387  * <6:1>   :: Ground impedance
388  * <0>     :: Charge through support (0b == no, 1b == yes)
389  */
390 #define VPD_VDO_VER1_0		0
391 #define VPD_MAX_VBUS_20V	0
392 #define VPD_MAX_VBUS_30V	1
393 #define VPD_MAX_VBUS_40V	2
394 #define VPD_MAX_VBUS_50V	3
395 #define VPDCT_CURR_3A		0
396 #define VPDCT_CURR_5A		1
397 #define VPDCT_NOT_SUPP		0
398 #define VPDCT_SUPP		1
399 
400 #define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct)			\
401 	(((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21	\
402 	 | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7	\
403 	 | ((gi) & 0x3f) << 1 | (ct))
404 
405 #endif /* __DT_POWER_DELIVERY_H */
406