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:
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);
Thanks,
--
heikki
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