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usb: chipidea: introduce imx7d USB charger detection

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imx7d (and imx8mm, imx8mn) uses Samsung PHY and USB generic PHY driver.
The USB generic PHY driver is impossible to have a charger detection
for every user, so we implement USB charger detection routine at glue
layer. After the detection has finished, it will notify USB PHY
charger framework, and the uevents will be triggered.

Signed-off-by: Jun Li <jun.li@nxp.com>
Signed-off-by: Peter Chen <peter.chen@nxp.com>
This commit is contained in:
Jun Li
2020-01-23 14:35:58 +08:00
committed by Peter Chen
parent d755cdb1b9
commit 746f316b75
3 changed files with 259 additions and 1 deletions
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2
drivers/usb/chipidea/ci_hdrc_imx.h
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@@ -24,6 +24,7 @@ struct imx_usbmisc_data {
unsigned int hsic:1; /* HSIC controlller */
unsigned int ext_id:1; /* ID from exteranl event */
unsigned int ext_vbus:1; /* Vbus from exteranl event */
struct usb_phy *usb_phy;
};
int imx_usbmisc_init(struct imx_usbmisc_data *data);
@@ -31,5 +32,6 @@ int imx_usbmisc_init_post(struct imx_usbmisc_data *data);
int imx_usbmisc_set_wakeup(struct imx_usbmisc_data *data, bool enabled);
int imx_usbmisc_hsic_set_connect(struct imx_usbmisc_data *data);
int imx_usbmisc_hsic_set_clk(struct imx_usbmisc_data *data, bool on);
int imx_usbmisc_charger_detection(struct imx_usbmisc_data *data, bool connect);
#endif /* __DRIVER_USB_CHIPIDEA_CI_HDRC_IMX_H */