Messages in this thread | | | Date | Tue, 2 Aug 2022 01:58:48 -0700 | From | Guenter Roeck <> | Subject | Re: [PATCH v3 4/7] usb: typec: tcpci_rt1711h: Add initial phy setting |
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On Tue, Aug 02, 2022 at 11:19:15AM +0300, Heikki Krogerus wrote: > Hi Gene, > > On Mon, Aug 01, 2022 at 06:14:44PM +0800, Gene Chen wrote: > > From: Gene Chen <gene_chen@richtek.com> > > > > Add initial phy setting about phy dicard retry, > > rx filter deglitech time and BMC-encoded wait time > > I'm sorry, but what does "deglitech" mean? Is it just a typo? >
deglitch ?
> > Signed-off-by: Gene Chen <gene_chen@richtek.com> > > Reviewed-by: Guenter Roeck <linux@roeck-us.net> > > --- > > 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 df7bfe299987..33d8ea95b7c1 100644 > > --- a/drivers/usb/typec/tcpm/tcpci_rt1711h.c > > +++ b/drivers/usb/typec/tcpm/tcpci_rt1711h.c > > @@ -20,6 +20,9 @@ > > #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 */ > > @@ -107,8 +110,18 @@ 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 deglitech 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, > > -- > > 2.25.1 > > thanks, > > -- > heikki
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