summaryrefslogtreecommitdiffstats
path: root/include/dt-bindings/usb/pd.h
diff options
context:
space:
mode:
Diffstat (limited to '')
-rw-r--r--include/dt-bindings/usb/pd.h468
1 files changed, 468 insertions, 0 deletions
diff --git a/include/dt-bindings/usb/pd.h b/include/dt-bindings/usb/pd.h
new file mode 100644
index 000000000..e6526b138
--- /dev/null
+++ b/include/dt-bindings/usb/pd.h
@@ -0,0 +1,468 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __DT_POWER_DELIVERY_H
+#define __DT_POWER_DELIVERY_H
+
+/* Power delivery Power Data Object definitions */
+#define PDO_TYPE_FIXED 0
+#define PDO_TYPE_BATT 1
+#define PDO_TYPE_VAR 2
+#define PDO_TYPE_APDO 3
+
+#define PDO_TYPE_SHIFT 30
+#define PDO_TYPE_MASK 0x3
+
+#define PDO_TYPE(t) ((t) << PDO_TYPE_SHIFT)
+
+#define PDO_VOLT_MASK 0x3ff
+#define PDO_CURR_MASK 0x3ff
+#define PDO_PWR_MASK 0x3ff
+
+#define PDO_FIXED_DUAL_ROLE (1 << 29) /* Power role swap supported */
+#define PDO_FIXED_SUSPEND (1 << 28) /* USB Suspend supported (Source) */
+#define PDO_FIXED_HIGHER_CAP (1 << 28) /* Requires more than vSafe5V (Sink) */
+#define PDO_FIXED_EXTPOWER (1 << 27) /* Externally powered */
+#define PDO_FIXED_USB_COMM (1 << 26) /* USB communications capable */
+#define PDO_FIXED_DATA_SWAP (1 << 25) /* Data role swap supported */
+#define PDO_FIXED_VOLT_SHIFT 10 /* 50mV units */
+#define PDO_FIXED_CURR_SHIFT 0 /* 10mA units */
+
+#define PDO_FIXED_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_FIXED_VOLT_SHIFT)
+#define PDO_FIXED_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_FIXED_CURR_SHIFT)
+
+#define PDO_FIXED(mv, ma, flags) \
+ (PDO_TYPE(PDO_TYPE_FIXED) | (flags) | \
+ PDO_FIXED_VOLT(mv) | PDO_FIXED_CURR(ma))
+
+#define VSAFE5V 5000 /* mv units */
+
+#define PDO_BATT_MAX_VOLT_SHIFT 20 /* 50mV units */
+#define PDO_BATT_MIN_VOLT_SHIFT 10 /* 50mV units */
+#define PDO_BATT_MAX_PWR_SHIFT 0 /* 250mW units */
+
+#define PDO_BATT_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MIN_VOLT_SHIFT)
+#define PDO_BATT_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_BATT_MAX_VOLT_SHIFT)
+#define PDO_BATT_MAX_POWER(mw) ((((mw) / 250) & PDO_PWR_MASK) << PDO_BATT_MAX_PWR_SHIFT)
+
+#define PDO_BATT(min_mv, max_mv, max_mw) \
+ (PDO_TYPE(PDO_TYPE_BATT) | PDO_BATT_MIN_VOLT(min_mv) | \
+ PDO_BATT_MAX_VOLT(max_mv) | PDO_BATT_MAX_POWER(max_mw))
+
+#define PDO_VAR_MAX_VOLT_SHIFT 20 /* 50mV units */
+#define PDO_VAR_MIN_VOLT_SHIFT 10 /* 50mV units */
+#define PDO_VAR_MAX_CURR_SHIFT 0 /* 10mA units */
+
+#define PDO_VAR_MIN_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MIN_VOLT_SHIFT)
+#define PDO_VAR_MAX_VOLT(mv) ((((mv) / 50) & PDO_VOLT_MASK) << PDO_VAR_MAX_VOLT_SHIFT)
+#define PDO_VAR_MAX_CURR(ma) ((((ma) / 10) & PDO_CURR_MASK) << PDO_VAR_MAX_CURR_SHIFT)
+
+#define PDO_VAR(min_mv, max_mv, max_ma) \
+ (PDO_TYPE(PDO_TYPE_VAR) | PDO_VAR_MIN_VOLT(min_mv) | \
+ PDO_VAR_MAX_VOLT(max_mv) | PDO_VAR_MAX_CURR(max_ma))
+
+#define APDO_TYPE_PPS 0
+
+#define PDO_APDO_TYPE_SHIFT 28 /* Only valid value currently is 0x0 - PPS */
+#define PDO_APDO_TYPE_MASK 0x3
+
+#define PDO_APDO_TYPE(t) ((t) << PDO_APDO_TYPE_SHIFT)
+
+#define PDO_PPS_APDO_MAX_VOLT_SHIFT 17 /* 100mV units */
+#define PDO_PPS_APDO_MIN_VOLT_SHIFT 8 /* 100mV units */
+#define PDO_PPS_APDO_MAX_CURR_SHIFT 0 /* 50mA units */
+
+#define PDO_PPS_APDO_VOLT_MASK 0xff
+#define PDO_PPS_APDO_CURR_MASK 0x7f
+
+#define PDO_PPS_APDO_MIN_VOLT(mv) \
+ ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MIN_VOLT_SHIFT)
+#define PDO_PPS_APDO_MAX_VOLT(mv) \
+ ((((mv) / 100) & PDO_PPS_APDO_VOLT_MASK) << PDO_PPS_APDO_MAX_VOLT_SHIFT)
+#define PDO_PPS_APDO_MAX_CURR(ma) \
+ ((((ma) / 50) & PDO_PPS_APDO_CURR_MASK) << PDO_PPS_APDO_MAX_CURR_SHIFT)
+
+#define PDO_PPS_APDO(min_mv, max_mv, max_ma) \
+ (PDO_TYPE(PDO_TYPE_APDO) | PDO_APDO_TYPE(APDO_TYPE_PPS) | \
+ PDO_PPS_APDO_MIN_VOLT(min_mv) | PDO_PPS_APDO_MAX_VOLT(max_mv) | \
+ PDO_PPS_APDO_MAX_CURR(max_ma))
+
+ /*
+ * Based on "Table 6-14 Fixed Supply PDO - Sink" of "USB Power Delivery Specification Revision 3.0,
+ * Version 1.2"
+ * Initial current capability of the new source when vSafe5V is applied.
+ */
+#define FRS_DEFAULT_POWER 1
+#define FRS_5V_1P5A 2
+#define FRS_5V_3A 3
+
+/*
+ * SVDM Identity Header
+ * --------------------
+ * <31> :: data capable as a USB host
+ * <30> :: data capable as a USB device
+ * <29:27> :: product type (UFP / Cable / VPD)
+ * <26> :: modal operation supported (1b == yes)
+ * <25:23> :: product type (DFP) (SVDM version 2.0+ only; set to zero in version 1.0)
+ * <22:21> :: connector type (SVDM version 2.0+ only; set to zero in version 1.0)
+ * <20:16> :: Reserved, Shall be set to zero
+ * <15:0> :: USB-IF assigned VID for this cable vendor
+ */
+
+/* PD Rev2.0 definition */
+#define IDH_PTYPE_UNDEF 0
+
+/* SOP Product Type (UFP) */
+#define IDH_PTYPE_NOT_UFP 0
+#define IDH_PTYPE_HUB 1
+#define IDH_PTYPE_PERIPH 2
+#define IDH_PTYPE_PSD 3
+#define IDH_PTYPE_AMA 5
+
+/* SOP' Product Type (Cable Plug / VPD) */
+#define IDH_PTYPE_NOT_CABLE 0
+#define IDH_PTYPE_PCABLE 3
+#define IDH_PTYPE_ACABLE 4
+#define IDH_PTYPE_VPD 6
+
+/* SOP Product Type (DFP) */
+#define IDH_PTYPE_NOT_DFP 0
+#define IDH_PTYPE_DFP_HUB 1
+#define IDH_PTYPE_DFP_HOST 2
+#define IDH_PTYPE_DFP_PB 3
+
+#define VDO_IDH(usbh, usbd, ufp_cable, is_modal, dfp, conn, vid) \
+ ((usbh) << 31 | (usbd) << 30 | ((ufp_cable) & 0x7) << 27 \
+ | (is_modal) << 26 | ((dfp) & 0x7) << 23 | ((conn) & 0x3) << 21 \
+ | ((vid) & 0xffff))
+
+/*
+ * Cert Stat VDO
+ * -------------
+ * <31:0> : USB-IF assigned XID for this cable
+ */
+#define VDO_CERT(xid) ((xid) & 0xffffffff)
+
+/*
+ * Product VDO
+ * -----------
+ * <31:16> : USB Product ID
+ * <15:0> : USB bcdDevice
+ */
+#define VDO_PRODUCT(pid, bcd) (((pid) & 0xffff) << 16 | ((bcd) & 0xffff))
+
+/*
+ * UFP VDO (PD Revision 3.0+ only)
+ * --------
+ * <31:29> :: UFP VDO version
+ * <28> :: Reserved
+ * <27:24> :: Device capability
+ * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
+ * <21:11> :: Reserved
+ * <10:8> :: Vconn power (AMA only)
+ * <7> :: Vconn required (AMA only, 0b == no, 1b == yes)
+ * <6> :: Vbus required (AMA only, 0b == yes, 1b == no)
+ * <5:3> :: Alternate modes
+ * <2:0> :: USB highest speed
+ */
+/* UFP VDO Version */
+#define UFP_VDO_VER1_2 2
+
+/* Device Capability */
+#define DEV_USB2_CAPABLE (1 << 0)
+#define DEV_USB2_BILLBOARD (1 << 1)
+#define DEV_USB3_CAPABLE (1 << 2)
+#define DEV_USB4_CAPABLE (1 << 3)
+
+/* Connector Type */
+#define UFP_RECEPTACLE 2
+#define UFP_CAPTIVE 3
+
+/* Vconn Power (AMA only, set to AMA_VCONN_NOT_REQ if Vconn is not required) */
+#define AMA_VCONN_PWR_1W 0
+#define AMA_VCONN_PWR_1W5 1
+#define AMA_VCONN_PWR_2W 2
+#define AMA_VCONN_PWR_3W 3
+#define AMA_VCONN_PWR_4W 4
+#define AMA_VCONN_PWR_5W 5
+#define AMA_VCONN_PWR_6W 6
+
+/* Vconn Required (AMA only) */
+#define AMA_VCONN_NOT_REQ 0
+#define AMA_VCONN_REQ 1
+
+/* Vbus Required (AMA only) */
+#define AMA_VBUS_REQ 0
+#define AMA_VBUS_NOT_REQ 1
+
+/* Alternate Modes */
+#define UFP_ALTMODE_NOT_SUPP 0
+#define UFP_ALTMODE_TBT3 (1 << 0)
+#define UFP_ALTMODE_RECFG (1 << 1)
+#define UFP_ALTMODE_NO_RECFG (1 << 2)
+
+/* USB Highest Speed */
+#define UFP_USB2_ONLY 0
+#define UFP_USB32_GEN1 1
+#define UFP_USB32_4_GEN2 2
+#define UFP_USB4_GEN3 3
+
+#define VDO_UFP(ver, cap, conn, vcpwr, vcr, vbr, alt, spd) \
+ (((ver) & 0x7) << 29 | ((cap) & 0xf) << 24 | ((conn) & 0x3) << 22 \
+ | ((vcpwr) & 0x7) << 8 | (vcr) << 7 | (vbr) << 6 | ((alt) & 0x7) << 3 \
+ | ((spd) & 0x7))
+
+/*
+ * DFP VDO (PD Revision 3.0+ only)
+ * --------
+ * <31:29> :: DFP VDO version
+ * <28:27> :: Reserved
+ * <26:24> :: Host capability
+ * <23:22> :: Connector type (10b == receptacle, 11b == captive plug)
+ * <21:5> :: Reserved
+ * <4:0> :: Port number
+ */
+#define DFP_VDO_VER1_1 1
+#define HOST_USB2_CAPABLE (1 << 0)
+#define HOST_USB3_CAPABLE (1 << 1)
+#define HOST_USB4_CAPABLE (1 << 2)
+#define DFP_RECEPTACLE 2
+#define DFP_CAPTIVE 3
+
+#define VDO_DFP(ver, cap, conn, pnum) \
+ (((ver) & 0x7) << 29 | ((cap) & 0x7) << 24 | ((conn) & 0x3) << 22 \
+ | ((pnum) & 0x1f))
+
+/*
+ * Cable VDO (for both Passive and Active Cable VDO in PD Rev2.0)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:20> :: Reserved, Shall be set to zero
+ * <19:18> :: type-C to Type-A/B/C/Captive (00b == A, 01 == B, 10 == C, 11 == Captive)
+ * <17> :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (11b == both ends active VCONN req)
+ * <10> :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
+ * <9> :: SSTX2 Directionality support
+ * <8> :: SSRX1 Directionality support
+ * <7> :: SSRX2 Directionality support
+ * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <4> :: Vbus through cable (0b == no, 1b == yes)
+ * <3> :: SOP" controller present? (0b == no, 1b == yes)
+ * <2:0> :: USB SS Signaling support
+ *
+ * Passive Cable VDO (PD Rev3.0+)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:21> :: VDO version
+ * <20> :: Reserved, Shall be set to zero
+ * <19:18> :: Type-C to Type-C/Captive (10b == C, 11b == Captive)
+ * <17> :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (10b == Vconn not req, 01b == Vconn req)
+ * <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <8:7> :: Reserved, Shall be set to zero
+ * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <4:3> :: Reserved, Shall be set to zero
+ * <2:0> :: USB highest speed
+ *
+ * Active Cable VDO 1 (PD Rev3.0+)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:21> :: VDO version
+ * <20> :: Reserved, Shall be set to zero
+ * <19:18> :: Connector type (10b == C, 11b == Captive)
+ * <17> :: Reserved, Shall be set to zero
+ * <16:13> :: cable latency (0001 == <10ns(~1m length))
+ * <12:11> :: cable termination type (10b == one end active, 11b == both ends active VCONN req)
+ * <10:9> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <8> :: SBU supported (0b == supported, 1b == not supported)
+ * <7> :: SBU type (0b == passive, 1b == active)
+ * <6:5> :: Vbus current handling capability (01b == 3A, 10b == 5A)
+ * <4> :: Vbus through cable (0b == no, 1b == yes)
+ * <3> :: SOP" controller present? (0b == no, 1b == yes)
+ * <2:0> :: USB highest speed
+ */
+/* Cable VDO Version */
+#define CABLE_VDO_VER1_0 0
+#define CABLE_VDO_VER1_3 3
+
+/* Connector Type (_ATYPE and _BTYPE are for PD Rev2.0 only) */
+#define CABLE_ATYPE 0
+#define CABLE_BTYPE 1
+#define CABLE_CTYPE 2
+#define CABLE_CAPTIVE 3
+
+/* Cable Latency */
+#define CABLE_LATENCY_1M 1
+#define CABLE_LATENCY_2M 2
+#define CABLE_LATENCY_3M 3
+#define CABLE_LATENCY_4M 4
+#define CABLE_LATENCY_5M 5
+#define CABLE_LATENCY_6M 6
+#define CABLE_LATENCY_7M 7
+#define CABLE_LATENCY_7M_PLUS 8
+
+/* Cable Termination Type */
+#define PCABLE_VCONN_NOT_REQ 0
+#define PCABLE_VCONN_REQ 1
+#define ACABLE_ONE_END 2
+#define ACABLE_BOTH_END 3
+
+/* Maximum Vbus Voltage */
+#define CABLE_MAX_VBUS_20V 0
+#define CABLE_MAX_VBUS_30V 1
+#define CABLE_MAX_VBUS_40V 2
+#define CABLE_MAX_VBUS_50V 3
+
+/* Active Cable SBU Supported/Type */
+#define ACABLE_SBU_SUPP 0
+#define ACABLE_SBU_NOT_SUPP 1
+#define ACABLE_SBU_PASSIVE 0
+#define ACABLE_SBU_ACTIVE 1
+
+/* Vbus Current Handling Capability */
+#define CABLE_CURR_DEF 0
+#define CABLE_CURR_3A 1
+#define CABLE_CURR_5A 2
+
+/* USB SuperSpeed Signaling Support (PD Rev2.0) */
+#define CABLE_USBSS_U2_ONLY 0
+#define CABLE_USBSS_U31_GEN1 1
+#define CABLE_USBSS_U31_GEN2 2
+
+/* USB Highest Speed */
+#define CABLE_USB2_ONLY 0
+#define CABLE_USB32_GEN1 1
+#define CABLE_USB32_4_GEN2 2
+#define CABLE_USB4_GEN3 3
+
+#define VDO_CABLE(hw, fw, cbl, lat, term, tx1d, tx2d, rx1d, rx2d, cur, vps, sopp, usbss) \
+ (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 | ((cbl) & 0x3) << 18 \
+ | ((lat) & 0x7) << 13 | ((term) & 0x3) << 11 | (tx1d) << 10 \
+ | (tx2d) << 9 | (rx1d) << 8 | (rx2d) << 7 | ((cur) & 0x3) << 5 \
+ | (vps) << 4 | (sopp) << 3 | ((usbss) & 0x7))
+#define VDO_PCABLE(hw, fw, ver, conn, lat, term, vbm, cur, spd) \
+ (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
+ | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
+ | ((vbm) & 0x3) << 9 | ((cur) & 0x3) << 5 | ((spd) & 0x7))
+#define VDO_ACABLE1(hw, fw, ver, conn, lat, term, vbm, sbu, sbut, cur, vbt, sopp, spd) \
+ (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
+ | ((conn) & 0x3) << 18 | ((lat) & 0xf) << 13 | ((term) & 0x3) << 11 \
+ | ((vbm) & 0x3) << 9 | (sbu) << 8 | (sbut) << 7 | ((cur) & 0x3) << 5 \
+ | (vbt) << 4 | (sopp) << 3 | ((spd) & 0x7))
+
+/*
+ * Active Cable VDO 2
+ * ---------
+ * <31:24> :: Maximum operating temperature
+ * <23:16> :: Shutdown temperature
+ * <15> :: Reserved, Shall be set to zero
+ * <14:12> :: U3/CLd power
+ * <11> :: U3 to U0 transition mode (0b == direct, 1b == through U3S)
+ * <10> :: Physical connection (0b == copper, 1b == optical)
+ * <9> :: Active element (0b == redriver, 1b == retimer)
+ * <8> :: USB4 supported (0b == yes, 1b == no)
+ * <7:6> :: USB2 hub hops consumed
+ * <5> :: USB2 supported (0b == yes, 1b == no)
+ * <4> :: USB3.2 supported (0b == yes, 1b == no)
+ * <3> :: USB lanes supported (0b == one lane, 1b == two lanes)
+ * <2> :: Optically isolated active cable (0b == no, 1b == yes)
+ * <1> :: Reserved, Shall be set to zero
+ * <0> :: USB gen (0b == gen1, 1b == gen2+)
+ */
+/* U3/CLd Power*/
+#define ACAB2_U3_CLD_10MW_PLUS 0
+#define ACAB2_U3_CLD_10MW 1
+#define ACAB2_U3_CLD_5MW 2
+#define ACAB2_U3_CLD_1MW 3
+#define ACAB2_U3_CLD_500UW 4
+#define ACAB2_U3_CLD_200UW 5
+#define ACAB2_U3_CLD_50UW 6
+
+/* Other Active Cable VDO 2 Fields */
+#define ACAB2_U3U0_DIRECT 0
+#define ACAB2_U3U0_U3S 1
+#define ACAB2_PHY_COPPER 0
+#define ACAB2_PHY_OPTICAL 1
+#define ACAB2_REDRIVER 0
+#define ACAB2_RETIMER 1
+#define ACAB2_USB4_SUPP 0
+#define ACAB2_USB4_NOT_SUPP 1
+#define ACAB2_USB2_SUPP 0
+#define ACAB2_USB2_NOT_SUPP 1
+#define ACAB2_USB32_SUPP 0
+#define ACAB2_USB32_NOT_SUPP 1
+#define ACAB2_LANES_ONE 0
+#define ACAB2_LANES_TWO 1
+#define ACAB2_OPT_ISO_NO 0
+#define ACAB2_OPT_ISO_YES 1
+#define ACAB2_GEN_1 0
+#define ACAB2_GEN_2_PLUS 1
+
+#define VDO_ACABLE2(mtemp, stemp, u3p, trans, phy, ele, u4, hops, u2, u32, lane, iso, gen) \
+ (((mtemp) & 0xff) << 24 | ((stemp) & 0xff) << 16 | ((u3p) & 0x7) << 12 \
+ | (trans) << 11 | (phy) << 10 | (ele) << 9 | (u4) << 8 \
+ | ((hops) & 0x3) << 6 | (u2) << 5 | (u32) << 4 | (lane) << 3 \
+ | (iso) << 2 | (gen))
+
+/*
+ * AMA VDO (PD Rev2.0)
+ * ---------
+ * <31:28> :: Cable HW version
+ * <27:24> :: Cable FW version
+ * <23:12> :: Reserved, Shall be set to zero
+ * <11> :: SSTX1 Directionality support (0b == fixed, 1b == cfgable)
+ * <10> :: SSTX2 Directionality support
+ * <9> :: SSRX1 Directionality support
+ * <8> :: SSRX2 Directionality support
+ * <7:5> :: Vconn power
+ * <4> :: Vconn power required
+ * <3> :: Vbus power required
+ * <2:0> :: USB SS Signaling support
+ */
+#define VDO_AMA(hw, fw, tx1d, tx2d, rx1d, rx2d, vcpwr, vcr, vbr, usbss) \
+ (((hw) & 0x7) << 28 | ((fw) & 0x7) << 24 \
+ | (tx1d) << 11 | (tx2d) << 10 | (rx1d) << 9 | (rx2d) << 8 \
+ | ((vcpwr) & 0x7) << 5 | (vcr) << 4 | (vbr) << 3 \
+ | ((usbss) & 0x7))
+
+#define PD_VDO_AMA_VCONN_REQ(vdo) (((vdo) >> 4) & 1)
+#define PD_VDO_AMA_VBUS_REQ(vdo) (((vdo) >> 3) & 1)
+
+#define AMA_USBSS_U2_ONLY 0
+#define AMA_USBSS_U31_GEN1 1
+#define AMA_USBSS_U31_GEN2 2
+#define AMA_USBSS_BBONLY 3
+
+/*
+ * VPD VDO
+ * ---------
+ * <31:28> :: HW version
+ * <27:24> :: FW version
+ * <23:21> :: VDO version
+ * <20:17> :: Reserved, Shall be set to zero
+ * <16:15> :: Maximum Vbus voltage (00b == 20V, 01b == 30V, 10b == 40V, 11b == 50V)
+ * <14> :: Charge through current support (0b == 3A, 1b == 5A)
+ * <13> :: Reserved, Shall be set to zero
+ * <12:7> :: Vbus impedance
+ * <6:1> :: Ground impedance
+ * <0> :: Charge through support (0b == no, 1b == yes)
+ */
+#define VPD_VDO_VER1_0 0
+#define VPD_MAX_VBUS_20V 0
+#define VPD_MAX_VBUS_30V 1
+#define VPD_MAX_VBUS_40V 2
+#define VPD_MAX_VBUS_50V 3
+#define VPDCT_CURR_3A 0
+#define VPDCT_CURR_5A 1
+#define VPDCT_NOT_SUPP 0
+#define VPDCT_SUPP 1
+
+#define VDO_VPD(hw, fw, ver, vbm, curr, vbi, gi, ct) \
+ (((hw) & 0xf) << 28 | ((fw) & 0xf) << 24 | ((ver) & 0x7) << 21 \
+ | ((vbm) & 0x3) << 15 | (curr) << 14 | ((vbi) & 0x3f) << 7 \
+ | ((gi) & 0x3f) << 1 | (ct))
+
+#endif /* __DT_POWER_DELIVERY_H */