UPSTREAM: usb: typec: tcpm: Parse Accessory Mode information

Some of the boards supported by the TCPM drivers can support USB-C
Accessory Modes (Analog Audio, Debug). Parse information about supported
modes from the device tree.

Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Link: https://lore.kernel.org/r/20231215173005.313422-3-dmitry.baryshkov@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

Bug: 206108037
(cherry picked from commit e9158c7)
Signed-off-by: Kyle Tso <kyletso@google.com>
(cherry picked from https://android-review.googlesource.com/q/commit:33854a1fee6cc57f82c14ea0d584d1f425a5d95e)
Merged-In: Iece498046926d631d4a572152fbe41957b8354e4
Change-Id: Iece498046926d631d4a572152fbe41957b8354e4

Author: lumag

drivers/usb/typec/tcpm/tcpm.c

@@ -6128,6 +6128,7 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
 {
 	const char *opmode_str;
 	int ret;
+	int mode;
 	u32 mw, frs_current;
 
 	if (!fwnode)
@@ -6146,6 +6147,14 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
 	if (ret < 0)
 		return ret;
 
+	mode = 0;
+
+	if (fwnode_property_read_bool(fwnode, "accessory-mode-audio"))
+		port->typec_caps.accessory[mode++] = TYPEC_ACCESSORY_AUDIO;
+
+	if (fwnode_property_read_bool(fwnode, "accessory-mode-debug"))
+		port->typec_caps.accessory[mode++] = TYPEC_ACCESSORY_DEBUG;
+
 	port->port_type = port->typec_caps.type;
 	port->pd_supported = !fwnode_property_read_bool(fwnode, "pd-disable");