Re: [PATCH v2 2/2] usb: typec: tcpm: Parse Accessory Mode information

From: Heikki Krogerus
Date: Fri Nov 24 2023 - 04:32:00 EST


On Tue, Nov 21, 2023 at 10:27:00PM +0200, Dmitry Baryshkov wrote:
> Some of the boards supported by the TCPM drivers can support USB-C
> Accessory Modes (Analog Audio, Debug). Parse information about supported
> modes from the device tree.
>
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@xxxxxxxxxx>

Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx>

> ---
> drivers/usb/typec/tcpm/tcpm.c | 9 +++++++++
> 1 file changed, 9 insertions(+)
>
> diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c
> index 6e843c511b85..ba2926846269 100644
> --- a/drivers/usb/typec/tcpm/tcpm.c
> +++ b/drivers/usb/typec/tcpm/tcpm.c
> @@ -6114,6 +6114,7 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
> {
> const char *opmode_str;
> int ret;
> + int mode;
> u32 mw, frs_current;
>
> if (!fwnode)
> @@ -6132,6 +6133,14 @@ static int tcpm_fw_get_caps(struct tcpm_port *port,
> if (ret < 0)
> return ret;
>
> + mode = 0;
> +
> + if (fwnode_property_read_bool(fwnode, "accessory-mode-audio"))
> + port->typec_caps.accessory[mode++] = TYPEC_ACCESSORY_AUDIO;
> +
> + if (fwnode_property_read_bool(fwnode, "accessory-mode-debug"))
> + port->typec_caps.accessory[mode++] = TYPEC_ACCESSORY_DEBUG;
> +
> port->port_type = port->typec_caps.type;
> port->pd_supported = !fwnode_property_read_bool(fwnode, "pd-disable");
>
> --
> 2.42.0

--
heikki