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>
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@ -19,6 +19,9 @@
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#define RT1711H_VID 0x29CF
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#define RT1711H_PID 0x1711
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#define RT1711H_PHYCTRL1 0x80
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#define RT1711H_PHYCTRL2 0x81
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#define RT1711H_RTCTRL8 0x9B
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/* Autoidle timeout = (tout * 2 + 1) * 6.4ms */
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@ -106,8 +109,18 @@ static int rt1711h_init(struct tcpci *tcpci, struct tcpci_data *tdata)
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return ret;
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/* dcSRC.DRP : 33% */
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return rt1711h_write16(chip, RT1711H_RTCTRL16, 330);
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ret = rt1711h_write16(chip, RT1711H_RTCTRL16, 330);
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if (ret < 0)
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return ret;
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/* Enable phy discard retry, retry count 7, rx filter deglitch 100 us */
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ret = rt1711h_write8(chip, RT1711H_PHYCTRL1, 0xF1);
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if (ret < 0)
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return ret;
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/* Decrease wait time of BMC-encoded 1 bit from 2.67us to 2.55us */
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/* wait time : (val * .4167) us */
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return rt1711h_write8(chip, RT1711H_PHYCTRL2, 62);
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}
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static int rt1711h_set_vbus(struct tcpci *tcpci, struct tcpci_data *tdata,
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