From: Gene Chen <gene.chen.richtek@gmail.com>
To: linux@roeck-us.net, heikki.krogerus@linux.intel.com,
gregkh@linuxfoundation.org, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org
Cc: linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
devicetree@vger.kernel.org, gene_chen@richtek.com,
cy_huang@richtek.com
Subject: [PATCH v3 4/7] usb: typec: tcpci_rt1711h: Add initial phy setting
Date: Mon, 1 Aug 2022 18:14:44 +0800 [thread overview]
Message-ID: <20220801101447.86207-5-gene.chen.richtek@gmail.com> (raw)
In-Reply-To: <20220801101447.86207-1-gene.chen.richtek@gmail.com>
From: Gene Chen <gene_chen@richtek.com>
Add initial phy setting about phy dicard retry,
rx filter deglitech time and BMC-encoded wait time
Signed-off-by: Gene Chen <gene_chen@richtek.com>
Reviewed-by: Guenter Roeck <linux@roeck-us.net>
---
drivers/usb/typec/tcpm/tcpci_rt1711h.c | 15 ++++++++++++++-
1 file changed, 14 insertions(+), 1 deletion(-)
diff --git a/drivers/usb/typec/tcpm/tcpci_rt1711h.c b/drivers/usb/typec/tcpm/tcpci_rt1711h.c
index df7bfe299987..33d8ea95b7c1 100644
--- a/drivers/usb/typec/tcpm/tcpci_rt1711h.c
+++ b/drivers/usb/typec/tcpm/tcpci_rt1711h.c
@@ -20,6 +20,9 @@
#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 */
@@ -107,8 +110,18 @@ 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 deglitech 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,
--
2.25.1
next prev parent reply other threads:[~2022-08-01 10:27 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-08-01 10:14 [PATCH v3 0/7] usb: typec: tcpci_rt1711h: Add compatible with rt1715 Gene Chen
2022-08-01 10:14 ` [PATCH v3 1/7] dt-bindings usb: typec: rt1711h: Add binding for Richtek RT1711H Gene Chen
2022-08-01 10:14 ` [PATCH v3 2/7] usb: typec: tcpci_rt1711h: Fix vendor setting when set vconn Gene Chen
2022-08-02 7:57 ` Heikki Krogerus
2022-08-03 6:08 ` Gene Chen
2022-08-01 10:14 ` [PATCH v3 3/7] usb: typec: tcpci_rt1711h: Add regulator support when source vbus Gene Chen
2022-08-02 8:04 ` Heikki Krogerus
2022-08-01 10:14 ` Gene Chen [this message]
2022-08-02 8:19 ` [PATCH v3 4/7] usb: typec: tcpci_rt1711h: Add initial phy setting Heikki Krogerus
2022-08-02 8:58 ` Guenter Roeck
2022-08-03 6:20 ` Gene Chen
2022-08-01 10:14 ` [PATCH v3 5/7] usb: typec: tcpci_rt1711h: Add compatible id with rt1715 Gene Chen
2022-08-02 8:28 ` Heikki Krogerus
2022-08-01 10:14 ` [PATCH v3 6/7] usb: typec: tcpci: Move function "tcpci_to_typec_cc" to common Gene Chen
2022-08-02 8:32 ` Heikki Krogerus
2022-08-01 10:14 ` [PATCH v3 7/7] usb: typec: tcpci_rt1711h: Fix CC PHY noise filter of voltage level Gene Chen
2022-08-02 8:42 ` Heikki Krogerus
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