On Mon, May 28, 2018 at 10:52:36AM +0800, Li Jun wrote:
> Add fwnode handle to get the fwnode so we can get typec configs
> it contains.
>
> Suggested-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
> Signed-off-by: Li Jun <jun.li@xxxxxxx>
Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>
> ---
> drivers/staging/typec/tcpci.c | 7 +++++++
> drivers/usb/typec/tcpm.c | 1 +
> include/linux/usb/tcpm.h | 2 ++
> 3 files changed, 10 insertions(+)
>
> diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c
> index dd29288..e59547a 100644
> --- 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 0ccd2ce..fcd22e8 100644
> --- a/drivers/usb/typec/tcpm.c
> +++ b/drivers/usb/typec/tcpm.c
> @@ -4581,6 +4581,7 @@ 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
> --- 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);
> --
> 2.7.4
--
heikki
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