diff --git a/Documentation/ABI/testing/sysfs-class-usb_power_delivery b/Documentation/ABI/testing/sysfs-class-usb_power_delivery
index 1bf9d1d7902c..4b0708af4a41 100644
--- a/Documentation/ABI/testing/sysfs-class-usb_power_delivery
+++ b/Documentation/ABI/testing/sysfs-class-usb_power_delivery
@@ -124,6 +124,37 @@ Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
 Description:
 		The voltage the supply supports in millivolts.
 
+What:		/sys/class/usb_power_delivery/.../source-capabilities/<position>:fixed_supply/peak_current
+Date:		October 2023
+Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
+Description:
+		Fixed Power Source Peak Current Capability
+		(IOC: Negotiated current as defined in IEC 63002):
+		==  ===========================================================
+		0   Peak current equals IOC (default)
+		1   Overload Capabilities:
+		    1. Peak current equals 150% IOC for 1ms @ 5% duty cycle
+		       (low current equals 97% IOC for 19ms)
+		    2. Peak current equals 125% IOC for 2ms @ 10% duty cycle
+		       (low current equals 97% IOC for 18ms)
+		    3. Peak current equals 110% IOC for 10ms @ 50% duty cycle
+		       (low current equals 90% IOC for 10ms)
+		2   Overload Capabilities:
+		    1. Peak current equals 200% IOC for 1ms @ 5% duty cycle
+		       (low current equals 95% IOC for 19ms)
+		    2. Peak current equals 150% IOC for 2ms @ 10% duty cycle
+		       (low current equals 94% IOC for 18ms)
+		    3. Peak current equals 125% IOC for 10ms @ 50% duty cycle
+		       (low current equals 75% IOC for 10ms)
+		3   Overload Capabilities:
+		    1. Peak current equals 200% IOC for 1ms @ 5% duty cycle
+		       (low current equals 95% IOC for 19ms)
+		    2. Peak current equals 175% IOC for 2ms @ 10% duty cycle
+		       (low current equals 92% IOC for 18ms)
+		    3. Peak current equals 150% IOC for 10ms @ 50% duty cycle
+		       (low current equals 50% IOC for 10ms)
+		==  ===========================================================
+
 What:		/sys/class/usb_power_delivery/.../source-capabilities/<position>:fixed_supply/maximum_current
 Date:		May 2022
 Contact:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
diff --git a/drivers/usb/typec/pd.c b/drivers/usb/typec/pd.c
index 8cc66e4467c4..85d015cdbe1f 100644
--- a/drivers/usb/typec/pd.c
+++ b/drivers/usb/typec/pd.c
@@ -83,14 +83,12 @@ unchunked_extended_messages_supported_show(struct device *dev,
 }
 static DEVICE_ATTR_RO(unchunked_extended_messages_supported);
 
-/*
- * REVISIT: Peak Current requires access also to the RDO.
 static ssize_t
 peak_current_show(struct device *dev, struct device_attribute *attr, char *buf)
 {
-	...
+	return sysfs_emit(buf, "%u\n", (to_pdo(dev)->pdo >> PDO_FIXED_PEAK_CURR_SHIFT) & 3);
 }
-*/
+static DEVICE_ATTR_RO(peak_current);
 
 static ssize_t
 fast_role_swap_current_show(struct device *dev, struct device_attribute *attr, char *buf)
@@ -135,7 +133,7 @@ static struct attribute *source_fixed_supply_attrs[] = {
 	&dev_attr_usb_communication_capable.attr,
 	&dev_attr_dual_role_data.attr,
 	&dev_attr_unchunked_extended_messages_supported.attr,
-	/*&dev_attr_peak_current.attr,*/
+	&dev_attr_peak_current.attr,
 	&dev_attr_voltage.attr,
 	&maximum_current_attr.attr,
 	NULL
@@ -144,7 +142,7 @@ static struct attribute *source_fixed_supply_attrs[] = {
 static umode_t fixed_attr_is_visible(struct kobject *kobj, struct attribute *attr, int n)
 {
 	if (to_pdo(kobj_to_dev(kobj))->object_position &&
-	    /*attr != &dev_attr_peak_current.attr &&*/
+	    attr != &dev_attr_peak_current.attr &&
 	    attr != &dev_attr_voltage.attr &&
 	    attr != &maximum_current_attr.attr &&
 	    attr != &operational_current_attr.attr)
diff --git a/include/linux/usb/pd.h b/include/linux/usb/pd.h
index c59fb79a42e8..eb626af0e4e7 100644
--- a/include/linux/usb/pd.h
+++ b/include/linux/usb/pd.h
@@ -228,6 +228,7 @@ enum pd_pdo_type {
 #define PDO_FIXED_UNCHUNK_EXT		BIT(24) /* Unchunked Extended Message supported (Source) */
 #define PDO_FIXED_FRS_CURR_MASK		(BIT(24) | BIT(23)) /* FR_Swap Current (Sink) */
 #define PDO_FIXED_FRS_CURR_SHIFT	23
+#define PDO_FIXED_PEAK_CURR_SHIFT	20
 #define PDO_FIXED_VOLT_SHIFT		10	/* 50mV units */
 #define PDO_FIXED_CURR_SHIFT		0	/* 10mA units */
 
