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Message-Id: <20240222210903.208901-4-m.felsch@pengutronix.de>
Date: Thu, 22 Feb 2024 22:09:02 +0100
From: Marco Felsch <m.felsch@...gutronix.de>
To: gregkh@...uxfoundation.org,
robh+dt@...nel.org,
krzysztof.kozlowski+dt@...aro.org,
conor+dt@...nel.org,
linux@...ck-us.net,
heikki.krogerus@...ux.intel.com,
jun.li@....com
Cc: devicetree@...r.kernel.org,
linux-usb@...r.kernel.org,
linux-kernel@...r.kernel.org,
kernel@...gutronix.de
Subject: [PATCH v3 3/4] usb: typec: tcpm: add support to set tcpc connector orientatition
This adds the support to set the connector orientation value
accordingly. This is part of the optional CONFIG_STANDARD_OUTPUT
register 0x18, specified within the USB port controller spsicification
rev. 2.0 [1].
[1] https://www.usb.org/sites/default/files/documents/usb-port_controller_specification_rev2.0_v1.0_0.pdf
Signed-off-by: Marco Felsch <m.felsch@...gutronix.de>
---
v3:
- no changes
v2:
- no changes
drivers/usb/typec/tcpm/tcpm.c | 6 ++++++
include/linux/usb/tcpm.h | 2 ++
2 files changed, 8 insertions(+)
diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
index 5945e3a2b0f7..85ca26687324 100644
--- a/drivers/usb/typec/tcpm/tcpm.c
+++ b/drivers/usb/typec/tcpm/tcpm.c
@@ -1099,6 +1099,12 @@ static int tcpm_set_roles(struct tcpm_port *port, bool attached,
if (ret < 0)
return ret;
+ if (port->tcpc->set_orientation) {
+ ret = port->tcpc->set_orientation(port->tcpc, orientation);
+ if (ret < 0)
+ return ret;
+ }
+
port->pwr_role = role;
port->data_role = data;
typec_set_data_role(port->typec_port, data);
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index 65fac5e1f317..93b681ff3ef9 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -133,6 +133,8 @@ struct tcpc_dev {
enum typec_cc_status *cc2);
int (*set_polarity)(struct tcpc_dev *dev,
enum typec_cc_polarity polarity);
+ int (*set_orientation)(struct tcpc_dev *dev,
+ enum typec_orientation orientation);
int (*set_vconn)(struct tcpc_dev *dev, bool on);
int (*set_vbus)(struct tcpc_dev *dev, bool on, bool charge);
int (*set_current_limit)(struct tcpc_dev *dev, u32 max_ma, u32 mv);
--
2.39.2
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