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usb: typec: ucsi: Add support for orientation

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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>
This commit is contained in:
Abel Vesa 2025-10-28 14:52:12 +02:00 committed by Greg Kroah-Hartman
parent 14934421dc
commit 18514fd70e
2 changed files with 27 additions and 0 deletions
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24
drivers/usb/typec/ucsi/ucsi.c
View File

@ -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);

3
drivers/usb/typec/ucsi/ucsi.h
View File

@ -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