usb: typec: add fwnode to tcpc

Add fwnode handle to get the fwnode so we can get typec configs
it contains.

Suggested-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c
index dd29288..e59547a 100644 (file)
--- a/drivers/staging/typec/tcpci.c
+++ b/drivers/staging/typec/tcpci.c
@@ -10,6 +10,7 @@
 #include <linux/module.h>
 #include <linux/i2c.h>
 #include <linux/interrupt.h>
+#include <linux/property.h>
 #include <linux/regmap.h>
 #include <linux/usb/pd.h>
 #include <linux/usb/tcpm.h>
@@ -474,6 +475,12 @@ static int tcpci_parse_config(struct tcpci *tcpci)
 
        /* TODO: Populate struct tcpc_config from ACPI/device-tree */
        tcpci->tcpc.config = &tcpci_tcpc_config;
+       tcpci->tcpc.fwnode = device_get_named_child_node(tcpci->dev,
+                                                        "connector");
+       if (!tcpci->tcpc.fwnode) {
+               dev_err(tcpci->dev, "Can't find connector node.\n");
+               return -EINVAL;
+       }
 
        return 0;
 }

diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c
index 8a201dd..d22b37b 100644 (file)
--- a/drivers/usb/typec/tcpm.c
+++ b/drivers/usb/typec/tcpm.c
@@ -4576,6 +4576,7 @@ struct tcpm_port *tcpm_register_port(struct device *dev, struct tcpc_dev *tcpc)
        else
                port->try_role = TYPEC_NO_PREFERRED_ROLE;
 
+       port->typec_caps.fwnode = tcpc->fwnode;
        port->typec_caps.prefer_role = tcpc->config->default_role;
        port->typec_caps.type = tcpc->config->type;
        port->typec_caps.data = tcpc->config->data;

diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index b231b93..193920a 100644 (file)
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -110,6 +110,7 @@ enum tcpc_mux_mode {
 /**
  * struct tcpc_dev - Port configuration and callback functions
  * @config:    Pointer to port configuration
+ * @fwnode:    Pointer to port fwnode
  * @get_vbus:  Called to read current VBUS state
  * @get_current_limit:
  *             Optional; called by the tcpm core when configured as a snk
@@ -138,6 +139,7 @@ enum tcpc_mux_mode {
  */
 struct tcpc_dev {
        const struct tcpc_config *config;
+       struct fwnode_handle *fwnode;
 
        int (*init)(struct tcpc_dev *dev);
        int (*get_vbus)(struct tcpc_dev *dev);