[v2,03/12] staging: typec: tcpci: support port config passed via dt

[Heikki Krogerus <heikki.krogerus@linux.intel.com>]

Hi,

On Mon, Mar 05, 2018 at 10:35:07AM +0000, Jun Li wrote:
> > So it actually does make sense to define those properties for the
> > "connector" node instead of TCPC parent. They are generic "Type-C"
> > properties (right?), so we may want to use them with multiport devices as
> > well.
> > 
> 
> Yes, that's the idea of my v2, I will keep this but via fwnode_property*.

Cool. While at it, can you also add a patch to this series where the
fwnode is bind to the port? Something like this:



Thanks,

diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c
index 9bd4412356c9..ac4e7605f9d5 100644
--- a/drivers/staging/typec/tcpci.c
+++ b/drivers/staging/typec/tcpci.c
@@ -452,6 +452,8 @@ static int tcpci_probe(struct i2c_client *client,
        if (IS_ERR(tcpci->regmap))
                return PTR_ERR(tcpci->regmap);

+       tcpci->tcpc.fwnode = device_get_named_child_node(&client->dev, "connector");
+
        tcpci->tcpc.init = tcpci_init;
        tcpci->tcpc.get_vbus = tcpci_get_vbus;
        tcpci->tcpc.set_vbus = tcpci_set_vbus;
diff --git a/drivers/usb/typec/tcpm.c b/drivers/usb/typec/tcpm.c
index f4d563ee7690..68a0ead400c0 100644
--- a/drivers/usb/typec/tcpm.c
+++ b/drivers/usb/typec/tcpm.c
@@ -3729,6 +3729,7 @@ 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.revision = 0x0120;     /* Type-C spec release 1.2 */
diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h
index ca1c0b57f03f..a25ebfea054d 100644
--- a/include/linux/usb/tcpm.h
+++ b/include/linux/usb/tcpm.h
@@ -127,6 +127,7 @@ struct tcpc_mux_dev {
 /**
  * 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
@@ -155,6 +156,7 @@ struct tcpc_mux_dev {
  */
 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);