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authorAbel Vesa <abel.vesa@linaro.org>2025-10-28 14:52:12 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2025-10-28 15:37:48 +0100
commit18514fd70ea4ca9de137bb3bceeac1bac4bcad75 (patch)
tree932651e6659bc2b57953dd1d048441b6af0cb7e3 /drivers
parent14934421dc8be364e2a7506dccf1222c45ecca24 (diff)
usb: typec: ucsi: Add support for orientation
According to UCSI 2.0 specification, the orientation is part of the connector status payload. So tie up the port orientation. Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com> Signed-off-by: Abel Vesa <abel.vesa@linaro.org> Link: https://patch.msgid.link/20251028-usb-typec-ucsi-orientation-v2-1-9330478bb6c1@linaro.org Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/typec/ucsi/ucsi.c24
-rw-r--r--drivers/usb/typec/ucsi/ucsi.h3
2 files changed, 27 insertions, 0 deletions
diff --git a/drivers/usb/typec/ucsi/ucsi.c b/drivers/usb/typec/ucsi/ucsi.c
index ed23edab7763..ec6c8f928dda 100644
--- a/drivers/usb/typec/ucsi/ucsi.c
+++ b/drivers/usb/typec/ucsi/ucsi.c
@@ -1008,6 +1008,28 @@ static int ucsi_check_connector_capability(struct ucsi_connector *con)
return ret;
}
+static void ucsi_orientation(struct ucsi_connector *con)
+{
+ if (con->ucsi->version < UCSI_VERSION_2_0)
+ return;
+
+ if (!UCSI_CONSTAT(con, CONNECTED)) {
+ typec_set_orientation(con->port, TYPEC_ORIENTATION_NONE);
+ return;
+ }
+
+ switch (UCSI_CONSTAT(con, ORIENTATION)) {
+ case UCSI_CONSTAT_ORIENTATION_NORMAL:
+ typec_set_orientation(con->port, TYPEC_ORIENTATION_NORMAL);
+ break;
+ case UCSI_CONSTAT_ORIENTATION_REVERSE:
+ typec_set_orientation(con->port, TYPEC_ORIENTATION_REVERSE);
+ break;
+ default:
+ break;
+ }
+}
+
static void ucsi_pwr_opmode_change(struct ucsi_connector *con)
{
switch (UCSI_CONSTAT(con, PWR_OPMODE)) {
@@ -1261,6 +1283,7 @@ static void ucsi_handle_connector_change(struct work_struct *work)
typec_set_pwr_role(con->port, role);
ucsi_port_psy_changed(con);
ucsi_partner_change(con);
+ ucsi_orientation(con);
if (UCSI_CONSTAT(con, CONNECTED)) {
ucsi_register_partner(con);
@@ -1693,6 +1716,7 @@ static int ucsi_register_port(struct ucsi *ucsi, struct ucsi_connector *con)
typec_set_pwr_role(con->port, UCSI_CONSTAT(con, PWR_DIR));
ucsi_register_partner(con);
ucsi_pwr_opmode_change(con);
+ ucsi_orientation(con);
ucsi_port_psy_changed(con);
if (con->ucsi->cap.features & UCSI_CAP_GET_PD_MESSAGE)
ucsi_get_partner_identity(con);
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 700d353f9bb1..410389ef173a 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -361,6 +361,9 @@ struct ucsi_cable_property {
#define UCSI_CONSTAT_BC_SLOW_CHARGING 2
#define UCSI_CONSTAT_BC_TRICKLE_CHARGING 3
#define UCSI_CONSTAT_PD_VERSION_V1_2 UCSI_DECLARE_BITFIELD_V1_2(70, 16)
+#define UCSI_CONSTAT_ORIENTATION UCSI_DECLARE_BITFIELD_V2_0(86, 1)
+#define UCSI_CONSTAT_ORIENTATION_NORMAL 0
+#define UCSI_CONSTAT_ORIENTATION_REVERSE 1
#define UCSI_CONSTAT_SINK_PATH_STATUS_V2_0 UCSI_DECLARE_BITFIELD_V2_0(87, 1)
#define UCSI_CONSTAT_SINK_PATH_DISABLED 0
#define UCSI_CONSTAT_SINK_PATH_ENABLED 1