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authorPeng Fan <peng.fan@nxp.com>2019-10-16 10:24:28 +0000
committerStefano Babic <sbabic@denx.de>2019-11-03 17:04:16 +0100
commit698c4398159f88aed87e762518b666396d8fa87d (patch)
tree0493ce8dfa573a1fefb5128151a913541191ad0d /include
parent9d86dbd9cf9d387bef7eaf467f2e34d7d61611e2 (diff)
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dt-bindings: import usb pd
Import usb pd bindings from Linux 5.4.0-rc1. This file will be included by imx8mm-evk.dts. Signed-off-by: Peng Fan <peng.fan@nxp.com>
Diffstat (limited to 'include')
-rw-r--r--include/dt-bindings/usb/pd.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/include/dt-bindings/usb/pd.h b/include/dt-bindings/usb/pd.h
new file mode 100644
index 0000000..985f2bb
--- /dev/null
+++ b/include/dt-bindings/usb/pd.h
@@ -0,0 +1,88 @@
+/* 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))
+
+ #endif /* __DT_POWER_DELIVERY_H */