platform/x86/intel_cht_int33fe: Add displayport altmode fwnode to the connector fwnode

Add a displayport altmode fwnode to the usb-connector fwnode,
devices which use this driver support display-port altmode through
the PI3USB30532 USB switch, this enables support for this.

Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20210409134033.105834-4-hdegoede@redhat.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/platform/x86/intel_cht_int33fe_typec.c b/drivers/platform/x86/intel_cht_int33fe_typec.c
index 48638d1..b61bad9 100644 (file)
--- a/drivers/platform/x86/intel_cht_int33fe_typec.c
+++ b/drivers/platform/x86/intel_cht_int33fe_typec.c
@@ -124,12 +124,31 @@ static const struct software_node usb_connector_node = {
        .properties = usb_connector_properties,
 };
 
+static const struct software_node altmodes_node = {
+       .name = "altmodes",
+       .parent = &usb_connector_node,
+};
+
+static const struct property_entry dp_altmode_properties[] = {
+       PROPERTY_ENTRY_U32("svid", 0xff01),
+       PROPERTY_ENTRY_U32("vdo", 0x0c0086),
+       { }
+};
+
+static const struct software_node dp_altmode_node = {
+       .name = "displayport-altmode",
+       .parent = &altmodes_node,
+       .properties = dp_altmode_properties,
+};
+
 static const struct software_node *node_group[] = {
        &fusb302_node,
        &max17047_node,
        &pi3usb30532_node,
        &displayport_node,
        &usb_connector_node,
+       &altmodes_node,
+       &dp_altmode_node,
        NULL
 };