[PATCH v2] usb: typec: ucsi: Add the UCSI commands in debugfs

From: madhu . m
Date: Fri Mar 28 2025 - 07:25:00 EST


From: Madhu M <madhu.m@xxxxxxxxx>

Added the UCSI commands UCSI_GET_CAM_SUPPORTED, UCSI_GET_PD_MESSAGE,
UCSI_GET_ATTENTION_VDO and UCSI_SET_USB support in debugfs to enhance
PD/TypeC debugging capability.

Signed-off-by: Madhu M <madhu.m@xxxxxxxxx>
Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
---
Changes in v1:
- Removed UCSI_READ_POWER_LEVEL and UCSI_SET_PDOS commands.
- Modified commit messages.
---
drivers/usb/typec/ucsi/debugfs.c | 4 ++++
drivers/usb/typec/ucsi/ucsi.h | 2 ++
2 files changed, 6 insertions(+)

diff --git a/drivers/usb/typec/ucsi/debugfs.c b/drivers/usb/typec/ucsi/debugfs.c
index eae2b18a2d8a..92ebf1a2defd 100644
--- a/drivers/usb/typec/ucsi/debugfs.c
+++ b/drivers/usb/typec/ucsi/debugfs.c
@@ -34,16 +34,20 @@ static int ucsi_cmd(void *data, u64 val)
case UCSI_CONNECTOR_RESET:
case UCSI_SET_SINK_PATH:
case UCSI_SET_NEW_CAM:
+ case UCSI_SET_USB:
ret = ucsi_send_command(ucsi, val, NULL, 0);
break;
case UCSI_GET_CAPABILITY:
case UCSI_GET_CONNECTOR_CAPABILITY:
case UCSI_GET_ALTERNATE_MODES:
+ case UCSI_GET_CAM_SUPPORTED:
case UCSI_GET_CURRENT_CAM:
case UCSI_GET_PDOS:
case UCSI_GET_CABLE_PROPERTY:
case UCSI_GET_CONNECTOR_STATUS:
case UCSI_GET_ERROR_STATUS:
+ case UCSI_GET_PD_MESSAGE:
+ case UCSI_GET_ATTENTION_VDO:
case UCSI_GET_CAM_CS:
case UCSI_GET_LPM_PPM_INFO:
ret = ucsi_send_command(ucsi, val,
diff --git a/drivers/usb/typec/ucsi/ucsi.h b/drivers/usb/typec/ucsi/ucsi.h
index 3a2c1762bec1..72b9d5a42961 100644
--- a/drivers/usb/typec/ucsi/ucsi.h
+++ b/drivers/usb/typec/ucsi/ucsi.h
@@ -123,9 +123,11 @@ void ucsi_connector_change(struct ucsi *ucsi, u8 num);
#define UCSI_GET_CONNECTOR_STATUS 0x12
#define UCSI_GET_CONNECTOR_STATUS_SIZE 152
#define UCSI_GET_ERROR_STATUS 0x13
+#define UCSI_GET_ATTENTION_VDO 0x16
#define UCSI_GET_PD_MESSAGE 0x15
#define UCSI_GET_CAM_CS 0x18
#define UCSI_SET_SINK_PATH 0x1c
+#define UCSI_SET_USB 0x21
#define UCSI_GET_LPM_PPM_INFO 0x22

#define UCSI_CONNECTOR_NUMBER(_num_) ((u64)(_num_) << 16)
--
2.34.1