drivers/usb/typec/tcpm/tcpci_mt6360.c | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)
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.
---
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);
}
--
2.7.4
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); > }
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