usb: typec: tcpci_rt1711h: Add initial phy setting

Add initial phy setting about phy dicard retry,
rx filter deglitch time and BMC-encoded wait time

Reviewed-by: Guenter Roeck <linux@roeck-us.net>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: Gene Chen <gene_chen@richtek.com>
Link: https://lore.kernel.org/r/20220805071714.150882-5-gene.chen.richtek@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gene Chen 2022-08-05 15:17:10 +08:00 committed by Greg Kroah-Hartman
parent 1e50ceb039
commit a2ed34df5a

View File

@ -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,