Commit a2ed34df authored by Gene Chen's avatar Gene Chen Committed by Greg Kroah-Hartman
Browse files

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: default avatarGuenter Roeck <linux@roeck-us.net>
Reviewed-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
Signed-off-by: default avatarGene Chen <gene_chen@richtek.com>
Link: https://lore.kernel.org/r/20220805071714.150882-5-gene.chen.richtek@gmail.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 1e50ceb0

drivers/usb/typec/tcpm/tcpci_rt1711h.c

+14 −1
Original line number Diff line number Diff line
@@ -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,