linux-kernel - [PATCH v1] usb: typec: tcpci: Added few missing TCPCI register definitions

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Date:   Tue, 16 Mar 2021 15:13:04 -0700
From:   Badhri Jagan Sridharan <badhri@...gle.com>
To:     Guenter Roeck <linux@...ck-us.net>,
        Heikki Krogerus <heikki.krogerus@...ux.intel.com>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org,
        Badhri Jagan Sridharan <badhri@...gle.com>
Subject: [PATCH v1] usb: typec: tcpci: Added few missing TCPCI register definitions

This change adds some of the register bit definitions from the TCPCI spec:
https://www.usb.org/sites/default/files/documents/
usb-port_controller_specification_rev2.0_v1.0_0.pdf

Signed-off-by: Badhri Jagan Sridharan <badhri@...gle.com>
---
 drivers/usb/typec/tcpm/tcpci.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/drivers/usb/typec/tcpm/tcpci.h b/drivers/usb/typec/tcpm/tcpci.h
index 57b6e24e0a0c..2be7a77d400e 100644
--- a/drivers/usb/typec/tcpm/tcpci.h
+++ b/drivers/usb/typec/tcpm/tcpci.h
@@ -47,7 +47,10 @@
 
 #define TCPC_TCPC_CTRL			0x19
 #define TCPC_TCPC_CTRL_ORIENTATION	BIT(0)
+#define PLUG_ORNT_CC1			0
+#define PLUG_ORNT_CC2			1
 #define TCPC_TCPC_CTRL_BIST_TM		BIT(1)
+#define TCPC_TCPC_CTRL_EN_LK4CONN_ALRT	BIT(6)
 
 #define TCPC_EXTENDED_STATUS		0x20
 #define TCPC_EXTENDED_STATUS_VSAFE0V	BIT(0)
@@ -74,21 +77,28 @@
 #define TCPC_POWER_CTRL_VCONN_ENABLE	BIT(0)
 #define TCPC_POWER_CTRL_BLEED_DISCHARGE	BIT(3)
 #define TCPC_POWER_CTRL_AUTO_DISCHARGE	BIT(4)
+#define TCPC_DIS_VOLT_ALRM		BIT(5)
+#define TCPC_POWER_CTRL_VBUS_VOLT_MON	BIT(6)
 #define TCPC_FAST_ROLE_SWAP_EN		BIT(7)
 
 #define TCPC_CC_STATUS			0x1d
 #define TCPC_CC_STATUS_TOGGLING		BIT(5)
 #define TCPC_CC_STATUS_TERM		BIT(4)
+#define TCPC_CC_STATUS_TERM_RP		0
+#define TCPC_CC_STATUS_TERM_RD		1
+#define TCPC_CC_STATE_SRC_OPEN		0
 #define TCPC_CC_STATUS_CC2_SHIFT	2
 #define TCPC_CC_STATUS_CC2_MASK		0x3
 #define TCPC_CC_STATUS_CC1_SHIFT	0
 #define TCPC_CC_STATUS_CC1_MASK		0x3
 
 #define TCPC_POWER_STATUS		0x1e
+#define TCPC_POWER_STATUS_DBG_ACC_CON	BIT(7)
 #define TCPC_POWER_STATUS_UNINIT	BIT(6)
 #define TCPC_POWER_STATUS_SOURCING_VBUS	BIT(4)
 #define TCPC_POWER_STATUS_VBUS_DET	BIT(3)
 #define TCPC_POWER_STATUS_VBUS_PRES	BIT(2)
+#define TCPC_POWER_STATUS_SINKING_VBUS	BIT(0)
 
 #define TCPC_FAULT_STATUS		0x1f
 
@@ -121,6 +131,10 @@
 #define TCPC_RX_DETECT			0x2f
 #define TCPC_RX_DETECT_HARD_RESET	BIT(5)
 #define TCPC_RX_DETECT_SOP		BIT(0)
+#define TCPC_RX_DETECT_SOP1		BIT(1)
+#define TCPC_RX_DETECT_SOP2		BIT(2)
+#define TCPC_RX_DETECT_DBG1		BIT(3)
+#define TCPC_RX_DETECT_DBG2		BIT(4)
 
 #define TCPC_RX_BYTE_CNT		0x30
 #define TCPC_RX_BUF_FRAME_TYPE		0x31
@@ -139,6 +153,8 @@
 #define TCPC_TX_DATA			0x54 /* through 0x6f */
 
 #define TCPC_VBUS_VOLTAGE			0x70
+#define TCPC_VBUS_VOLTAGE_MASK			0x3ff
+#define TCPC_VBUS_VOLTAGE_LSB_MV		25
 #define TCPC_VBUS_SINK_DISCONNECT_THRESH	0x72
 #define TCPC_VBUS_SINK_DISCONNECT_THRESH_LSB_MV	25
 #define TCPC_VBUS_SINK_DISCONNECT_THRESH_MAX	0x3ff
-- 
2.31.0.rc2.261.g7f71774620-goog