| Message ID | 1652147092-19255-1-git-send-email-u0084500@gmail.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | usb: typec: tcpci_mt6360: Update for BMC PHY setting | expand |
On 5/9/22 18:44, cy_huang wrote: > From: ChiYuan Huang <cy_huang@richtek.com> > > Update MT6360 BMC PHY Tx/Rx setting for the compatibility. > > Signed-off-by: ChiYuan Huang <cy_huang@richtek.com> > --- > Hi, > > Recently, there's some USBPD MT6360 IOP issue from the user. >>From our RD's comment, BMC PHY Tx/Rx setting need to be updated for > the compatibility issue. I think this needs to be a bit more detailed. What compatibility issue ? Compatibility with what ? Thanks, Guenter > --- > drivers/usb/typec/tcpm/tcpci_mt6360.c | 26 ++++++++++++++++++++++++++ > 1 file changed, 26 insertions(+) > > diff --git a/drivers/usb/typec/tcpm/tcpci_mt6360.c b/drivers/usb/typec/tcpm/tcpci_mt6360.c > index f1bd9e0..8a952ea 100644 > --- a/drivers/usb/typec/tcpm/tcpci_mt6360.c > +++ b/drivers/usb/typec/tcpm/tcpci_mt6360.c > @@ -15,6 +15,9 @@ > > #include "tcpci.h" > > +#define MT6360_REG_PHYCTRL1 0x80 > +#define MT6360_REG_PHYCTRL3 0x82 > +#define MT6360_REG_PHYCTRL7 0x86 > #define MT6360_REG_VCONNCTRL1 0x8C > #define MT6360_REG_MODECTRL2 0x8F > #define MT6360_REG_SWRESET 0xA0 > @@ -22,6 +25,8 @@ > #define MT6360_REG_DRPCTRL1 0xA2 > #define MT6360_REG_DRPCTRL2 0xA3 > #define MT6360_REG_I2CTORST 0xBF > +#define MT6360_REG_PHYCTRL11 0xCA > +#define MT6360_REG_RXCTRL1 0xCE > #define MT6360_REG_RXCTRL2 0xCF > #define MT6360_REG_CTDCTRL2 0xEC > > @@ -106,6 +111,27 @@ static int mt6360_tcpc_init(struct tcpci *tcpci, struct tcpci_data *tdata) > if (ret) > return ret; > > + /* BMC PHY */ > + ret = mt6360_tcpc_write16(regmap, MT6360_REG_PHYCTRL1, 0x3A70); > + if (ret) > + return ret; > + > + ret = regmap_write(regmap, MT6360_REG_PHYCTRL3, 0x82); > + if (ret) > + return ret; > + > + ret = regmap_write(regmap, MT6360_REG_PHYCTRL7, 0x36); > + if (ret) > + return ret; > + > + ret = mt6360_tcpc_write16(regmap, MT6360_REG_PHYCTRL11, 0x3C60); > + if (ret) > + return ret; > + > + ret = regmap_write(regmap, MT6360_REG_RXCTRL1, 0xE8); > + if (ret) > + return ret; > + > /* Set shipping mode off, AUTOIDLE on */ > return regmap_write(regmap, MT6360_REG_MODECTRL2, 0x7A); > }
diff --git a/drivers/usb/typec/tcpm/tcpci_mt6360.c b/drivers/usb/typec/tcpm/tcpci_mt6360.c index f1bd9e0..8a952ea 100644 --- a/drivers/usb/typec/tcpm/tcpci_mt6360.c +++ b/drivers/usb/typec/tcpm/tcpci_mt6360.c @@ -15,6 +15,9 @@ #include "tcpci.h" +#define MT6360_REG_PHYCTRL1 0x80 +#define MT6360_REG_PHYCTRL3 0x82 +#define MT6360_REG_PHYCTRL7 0x86 #define MT6360_REG_VCONNCTRL1 0x8C #define MT6360_REG_MODECTRL2 0x8F #define MT6360_REG_SWRESET 0xA0 @@ -22,6 +25,8 @@ #define MT6360_REG_DRPCTRL1 0xA2 #define MT6360_REG_DRPCTRL2 0xA3 #define MT6360_REG_I2CTORST 0xBF +#define MT6360_REG_PHYCTRL11 0xCA +#define MT6360_REG_RXCTRL1 0xCE #define MT6360_REG_RXCTRL2 0xCF #define MT6360_REG_CTDCTRL2 0xEC @@ -106,6 +111,27 @@ static int mt6360_tcpc_init(struct tcpci *tcpci, struct tcpci_data *tdata) if (ret) return ret; + /* BMC PHY */ + ret = mt6360_tcpc_write16(regmap, MT6360_REG_PHYCTRL1, 0x3A70); + if (ret) + return ret; + + ret = regmap_write(regmap, MT6360_REG_PHYCTRL3, 0x82); + if (ret) + return ret; + + ret = regmap_write(regmap, MT6360_REG_PHYCTRL7, 0x36); + if (ret) + return ret; + + ret = mt6360_tcpc_write16(regmap, MT6360_REG_PHYCTRL11, 0x3C60); + if (ret) + return ret; + + ret = regmap_write(regmap, MT6360_REG_RXCTRL1, 0xE8); + if (ret) + return ret; + /* Set shipping mode off, AUTOIDLE on */ return regmap_write(regmap, MT6360_REG_MODECTRL2, 0x7A); }