On Fri, Aug 05, 2022 at 03:17:10PM +0800, Gene Chen wrote: > From: Gene Chen <gene_chen@xxxxxxxxxxx> > > Add initial phy setting about phy dicard retry, > rx filter deglitch time and BMC-encoded wait time > > Signed-off-by: Gene Chen <gene_chen@xxxxxxxxxxx> > Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx> Reviewed-by: Heikki Krogerus <heikki.krogerus@xxxxxxxxxxxxxxx> > --- > drivers/usb/typec/tcpm/tcpci_rt1711h.c | 15 ++++++++++++++- > 1 file changed, 14 insertions(+), 1 deletion(-) > > diff --git a/drivers/usb/typec/tcpm/tcpci_rt1711h.c b/drivers/usb/typec/tcpm/tcpci_rt1711h.c > index fb19d7b..5c51d04 100644 > --- a/drivers/usb/typec/tcpm/tcpci_rt1711h.c > +++ b/drivers/usb/typec/tcpm/tcpci_rt1711h.c > @@ -19,6 +19,9 @@ > #define RT1711H_VID 0x29CF > #define RT1711H_PID 0x1711 > > +#define RT1711H_PHYCTRL1 0x80 > +#define RT1711H_PHYCTRL2 0x81 > + > #define RT1711H_RTCTRL8 0x9B > > /* Autoidle timeout = (tout * 2 + 1) * 6.4ms */ > @@ -106,8 +109,18 @@ static int rt1711h_init(struct tcpci *tcpci, struct tcpci_data *tdata) > return ret; > > /* dcSRC.DRP : 33% */ > - return rt1711h_write16(chip, RT1711H_RTCTRL16, 330); > + ret = rt1711h_write16(chip, RT1711H_RTCTRL16, 330); > + if (ret < 0) > + return ret; > + > + /* Enable phy discard retry, retry count 7, rx filter deglitch 100 us */ > + ret = rt1711h_write8(chip, RT1711H_PHYCTRL1, 0xF1); > + if (ret < 0) > + return ret; > > + /* Decrease wait time of BMC-encoded 1 bit from 2.67us to 2.55us */ > + /* wait time : (val * .4167) us */ > + return rt1711h_write8(chip, RT1711H_PHYCTRL2, 62); > } > > static int rt1711h_set_vbus(struct tcpci *tcpci, struct tcpci_data *tdata, > -- > 2.7.4 -- heikki
