diff --git a/drivers/core/device-remove.c b/drivers/core/device-remove.c
index 2c82577..56c358a 100644
--- a/drivers/core/device-remove.c
+++ b/drivers/core/device-remove.c
@@ -92,6 +92,10 @@
 		free(dev->platdata);
 		dev->platdata = NULL;
 	}
+	if (dev->flags & DM_FLAG_ALLOC_PARENT_PDATA) {
+		free(dev->parent_platdata);
+		dev->parent_platdata = NULL;
+	}
 	ret = uclass_unbind_device(dev);
 	if (ret)
 		return ret;
diff --git a/drivers/core/device.c b/drivers/core/device.c
index 366cffe..ee97cc8 100644
--- a/drivers/core/device.c
+++ b/drivers/core/device.c
@@ -80,6 +80,18 @@
 			goto fail_alloc1;
 		}
 	}
+	if (parent) {
+		int size = parent->driver->per_child_platdata_auto_alloc_size;
+
+		if (size) {
+			dev->flags |= DM_FLAG_ALLOC_PARENT_PDATA;
+			dev->parent_platdata = calloc(1, size);
+			if (!dev->parent_platdata) {
+				ret = -ENOMEM;
+				goto fail_alloc2;
+			}
+		}
+	}
 
 	/* put dev into parent's successor list */
 	if (parent)
@@ -107,8 +119,12 @@
 			dev->name);
 	}
 fail_uclass_bind:
-	if (parent)
-		list_del(&dev->sibling_node);
+	list_del(&dev->sibling_node);
+	if (dev->flags & DM_FLAG_ALLOC_PARENT_PDATA) {
+		free(dev->parent_platdata);
+		dev->parent_platdata = NULL;
+	}
+fail_alloc2:
 	if (dev->flags & DM_FLAG_ALLOC_PDATA) {
 		free(dev->platdata);
 		dev->platdata = NULL;
@@ -247,6 +263,16 @@
 	return dev->platdata;
 }
 
+void *dev_get_parent_platdata(struct udevice *dev)
+{
+	if (!dev) {
+		dm_warn("%s: null device", __func__);
+		return NULL;
+	}
+
+	return dev->parent_platdata;
+}
+
 void *dev_get_priv(struct udevice *dev)
 {
 	if (!dev) {
diff --git a/include/dm/device.h b/include/dm/device.h
index 13598a1..096d84b 100644
--- a/include/dm/device.h
+++ b/include/dm/device.h
@@ -26,6 +26,9 @@
 /* DM should init this device prior to relocation */
 #define DM_FLAG_PRE_RELOC	(1 << 2)
 
+/* DM is responsible for allocating and freeing parent_platdata */
+#define DM_FLAG_ALLOC_PARENT_PDATA	(1 << 3)
+
 /**
  * struct udevice - An instance of a driver
  *
@@ -46,6 +49,7 @@
  * @driver: The driver used by this device
  * @name: Name of device, typically the FDT node name
  * @platdata: Configuration data for this device
+ * @parent_platdata: The parent bus's configuration data for this device
  * @of_offset: Device tree node offset for this device (- for none)
  * @of_id: Pointer to the udevice_id structure which created the device
  * @parent: Parent of this device, or NULL for the top level device
@@ -65,6 +69,7 @@
 	struct driver *driver;
 	const char *name;
 	void *platdata;
+	void *parent_platdata;
 	int of_offset;
 	const struct udevice_id *of_id;
 	struct udevice *parent;
@@ -146,6 +151,9 @@
  * device_probe_child() pass it in. So far the use case for allocating it
  * is SPI, but I found that unsatisfactory. Since it is here I will leave it
  * until things are clearer.
+ * @per_child_platdata_auto_alloc_size: A bus likes to store information about
+ * its children. If non-zero this is the size of this data, to be allocated
+ * in the child's parent_platdata pointer.
  * @ops: Driver-specific operations. This is typically a list of function
  * pointers defined by the driver, to implement driver functions required by
  * the uclass.
@@ -165,6 +173,7 @@
 	int priv_auto_alloc_size;
 	int platdata_auto_alloc_size;
 	int per_child_auto_alloc_size;
+	int per_child_platdata_auto_alloc_size;
 	const void *ops;	/* driver-specific operations */
 	uint32_t flags;
 };
@@ -184,6 +193,16 @@
 void *dev_get_platdata(struct udevice *dev);
 
 /**
+ * dev_get_parent_platdata() - Get the parent platform data for a device
+ *
+ * This checks that dev is not NULL, but no other checks for now
+ *
+ * @dev		Device to check
+ * @return parent's platform data, or NULL if none
+ */
+void *dev_get_parent_platdata(struct udevice *dev);
+
+/**
  * dev_get_parentdata() - Get the parent data for a device
  *
  * The parent data is data stored in the device but owned by the parent.
diff --git a/test/dm/bus.c b/test/dm/bus.c
index abbaccf..63c8a9f 100644
--- a/test/dm/bus.c
+++ b/test/dm/bus.c
@@ -9,11 +9,16 @@
 #include <dm/device-internal.h>
 #include <dm/root.h>
 #include <dm/test.h>
+#include <dm/uclass-internal.h>
 #include <dm/ut.h>
 #include <dm/util.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
+struct dm_test_parent_platdata {
+	int count;
+};
+
 enum {
 	FLAG_CHILD_PROBED	= 10,
 	FLAG_CHILD_REMOVED	= -7,
@@ -62,6 +67,8 @@
 	.priv_auto_alloc_size = sizeof(struct dm_test_priv),
 	.platdata_auto_alloc_size = sizeof(struct dm_test_pdata),
 	.per_child_auto_alloc_size = sizeof(struct dm_test_parent_data),
+	.per_child_platdata_auto_alloc_size =
+			sizeof(struct dm_test_parent_platdata),
 	.child_pre_probe = testbus_child_pre_probe,
 	.child_post_remove = testbus_child_post_remove,
 };
@@ -271,3 +278,77 @@
 	return 0;
 }
 DM_TEST(dm_test_bus_parent_ops, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
+
+/* Test that the bus can store platform data about each child */
+static int dm_test_bus_parent_platdata(struct dm_test_state *dms)
+{
+	struct dm_test_parent_platdata *plat;
+	struct udevice *bus, *dev;
+	int child_count;
+
+	/* Check that the bus has no children */
+	ut_assertok(uclass_find_device(UCLASS_TEST_BUS, 0, &bus));
+	device_find_first_child(bus, &dev);
+	ut_asserteq_ptr(NULL, dev);
+
+	ut_assertok(uclass_get_device(UCLASS_TEST_BUS, 0, &bus));
+
+	for (device_find_first_child(bus, &dev), child_count = 0;
+	     dev;
+	     device_find_next_child(&dev)) {
+		/* Check that platform data is allocated */
+		plat = dev_get_parent_platdata(dev);
+		ut_assert(plat != NULL);
+
+		/*
+		 * Check that it is not affected by the device being
+		 * probed/removed
+		 */
+		plat->count++;
+		ut_asserteq(1, plat->count);
+		device_probe(dev);
+		device_remove(dev);
+
+		ut_asserteq_ptr(plat, dev_get_parent_platdata(dev));
+		ut_asserteq(1, plat->count);
+		ut_assertok(device_probe(dev));
+		child_count++;
+	}
+	ut_asserteq(3, child_count);
+
+	/* Removing the bus should also have no effect (it is still bound) */
+	device_remove(bus);
+	for (device_find_first_child(bus, &dev), child_count = 0;
+	     dev;
+	     device_find_next_child(&dev)) {
+		/* Check that platform data is allocated */
+		plat = dev_get_parent_platdata(dev);
+		ut_assert(plat != NULL);
+		ut_asserteq(1, plat->count);
+		child_count++;
+	}
+	ut_asserteq(3, child_count);
+
+	/* Unbind all the children */
+	do {
+		device_find_first_child(bus, &dev);
+		if (dev)
+			device_unbind(dev);
+	} while (dev);
+
+	/* Now the child platdata should be removed and re-added */
+	device_probe(bus);
+	for (device_find_first_child(bus, &dev), child_count = 0;
+	     dev;
+	     device_find_next_child(&dev)) {
+		/* Check that platform data is allocated */
+		plat = dev_get_parent_platdata(dev);
+		ut_assert(plat != NULL);
+		ut_asserteq(0, plat->count);
+		child_count++;
+	}
+	ut_asserteq(3, child_count);
+
+	return 0;
+}
+DM_TEST(dm_test_bus_parent_platdata, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);