diff options
| author | Li Jun <jun.li@nxp.com> | 2017-07-27 21:38:13 +0800 |
|---|---|---|
| committer | Leonard Crestez <leonard.crestez@nxp.com> | 2018-08-24 12:41:33 +0300 |
| commit | 5123aa0a58796119021c75d565e5456467966c95 (patch) | |
| tree | f7dab3bf53112d5b9a415dfeefd01794e003112c | |
| parent | 34a5ddaf0023f17c439e959117155df84c4a929c (diff) | |
MLK-16013-20 staging: typec: Add bist test mode support
BIST(Built In Self-Test – Power Delivery testing mechanism for
the PHY Layer), see PD 3.0 spec 5.9 Built in Self-Test (BIST), is
added to support BIST message handling in PD compliance test.
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Li Jun <jun.li@nxp.com>
| -rw-r--r-- | drivers/staging/typec/tcpci.c | 10 | ||||
| -rw-r--r-- | drivers/staging/typec/tcpci.h | 1 | ||||
| -rw-r--r-- | drivers/staging/typec/tcpm.c | 9 | ||||
| -rw-r--r-- | drivers/staging/typec/tcpm.h | 1 |
4 files changed, 21 insertions, 0 deletions
diff --git a/drivers/staging/typec/tcpci.c b/drivers/staging/typec/tcpci.c index cfd80a2aa883..a047b3376eec 100644 --- a/drivers/staging/typec/tcpci.c +++ b/drivers/staging/typec/tcpci.c @@ -426,6 +426,15 @@ static int tcpci_vbus_detect(struct tcpc_dev *tcpc, bool enable) return 0; } +static void tcpci_bist_mode(struct tcpc_dev *tcpc, bool enable) +{ + struct tcpci *tcpci = tcpc_to_tcpci(tcpc); + + regmap_update_bits(tcpci->regmap, TCPC_TCPC_CTRL, + TCPC_TCPC_CTRL_BIST_MODE, + enable ? TCPC_TCPC_CTRL_BIST_MODE : 0); +} + static int tcpci_init(struct tcpc_dev *tcpc) { struct tcpci *tcpci = tcpc_to_tcpci(tcpc); @@ -602,6 +611,7 @@ static int tcpci_probe(struct i2c_client *client, tcpci->tcpc.vbus_detect = tcpci_vbus_detect; tcpci->tcpc.vbus_discharge = tcpci_vbus_force_discharge; tcpci->tcpc.get_vbus_vol = tcpci_get_vbus_vol; + tcpci->tcpc.bist_mode = tcpci_bist_mode; tcpci->tcpc.set_pd_rx = tcpci_set_pd_rx; tcpci->tcpc.set_roles = tcpci_set_roles; diff --git a/drivers/staging/typec/tcpci.h b/drivers/staging/typec/tcpci.h index d74423fe377e..75a9666b1822 100644 --- a/drivers/staging/typec/tcpci.h +++ b/drivers/staging/typec/tcpci.h @@ -45,6 +45,7 @@ #define TCPC_CONFIG_STD_OUTPUT 0x18 #define TCPC_TCPC_CTRL 0x19 +#define TCPC_TCPC_CTRL_BIST_MODE BIT(1) #define TCPC_TCPC_CTRL_ORIENTATION BIT(0) #define TCPC_ROLE_CTRL 0x1a diff --git a/drivers/staging/typec/tcpm.c b/drivers/staging/typec/tcpm.c index b4e77b23a068..73a9e3689af3 100644 --- a/drivers/staging/typec/tcpm.c +++ b/drivers/staging/typec/tcpm.c @@ -1893,6 +1893,13 @@ static void tcpm_typec_connect(struct tcpm_port *port) } } +static void tcpm_bist_handle(struct tcpm_port *port, bool enable) +{ + /* Enable or disable BIST test mode */ + if (port->tcpc && port->tcpc->bist_mode) + port->tcpc->bist_mode(port->tcpc, enable); +} + static int tcpm_src_attach(struct tcpm_port *port) { enum typec_cc_polarity polarity = @@ -1980,6 +1987,7 @@ static void tcpm_reset_port(struct tcpm_port *port) port->attached = false; port->pd_capable = false; + tcpm_bist_handle(port, false); port->tcpc->set_pd_rx(port->tcpc, false); tcpm_init_vbus(port); /* also disables charging */ tcpm_init_vconn(port); @@ -2676,6 +2684,7 @@ static void run_state_machine(struct tcpm_port *port) break; case BIST_RX: + tcpm_bist_handle(port, true); switch (BDO_MODE_MASK(port->bist_request)) { case BDO_MODE_CARRIER2: tcpm_pd_transmit(port, TCPC_TX_BIST_MODE_2, NULL); diff --git a/drivers/staging/typec/tcpm.h b/drivers/staging/typec/tcpm.h index 08f103db017c..b8a57425914a 100644 --- a/drivers/staging/typec/tcpm.h +++ b/drivers/staging/typec/tcpm.h @@ -128,6 +128,7 @@ struct tcpc_dev { const struct pd_message *msg); int (*vbus_detect)(struct tcpc_dev *dev, bool enable); int (*vbus_discharge)(struct tcpc_dev *tcpc, bool enable); + void (*bist_mode)(struct tcpc_dev *tcpc, bool enable); struct tcpc_mux_dev *mux; }; |