[PATCH 2/2] usb: typec: tcpm: Parse Accessory Mode information

From: Dmitry Baryshkov
Date: Mon Nov 20 2023 - 18:18:11 EST


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.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>
---
drivers/usb/typec/tcpm/tcpm.c | 7 +++++++
1 file changed, 7 insertions(+)

diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 6e843c511b85..6297f803de53 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -6114,6 +6114,7 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
{
const char *opmode_str;
int ret;
+ int mode;
u32 mw, frs_current;

if (!fwnode)
@@ -6132,6 +6133,12 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
if (ret < 0)
return ret;

+ 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");

--
2.42.0