diff options
| -rw-r--r-- | board/zoombini/board.c | 21 | ||||
| -rw-r--r-- | board/zoombini/board.h | 1 |
2 files changed, 21 insertions, 1 deletions
diff --git a/board/zoombini/board.c b/board/zoombini/board.c index a9bd30e382..a0ed098658 100644 --- a/board/zoombini/board.c +++ b/board/zoombini/board.c @@ -12,6 +12,7 @@ #include "common.h" #include "console.h" #include "compile_time_macros.h" +#include "driver/ppc/sn5s330.h" #include "driver/tcpm/ps8xxx.h" #include "ec_commands.h" #ifdef CONFIG_ESPI_VW_SIGNALS @@ -102,6 +103,13 @@ const struct i2c_port_t i2c_ports[] = { }; const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); +/* TODO(aaboagye): Add the other ports. */ +const struct sn5s330_config sn5s330_chips[] = { + {I2C_PORT_TCPC0, SN5S330_ADDR0}, +}; +const unsigned int sn5s330_cnt = ARRAY_SIZE(sn5s330_chips); + + /* GPIO to enable/disable the USB Type-A port. */ const int usb_port_enable[CONFIG_USB_PORT_POWER_SMART_PORT_COUNT] = { GPIO_USB_A_5V_EN, @@ -217,6 +225,7 @@ int board_set_active_charge_port(int port) int is_real_port = (port >= 0 && port < CONFIG_USB_PD_PORT_COUNT); static int initialized; + int i; if (!is_real_port && port != CHARGE_PORT_NONE) return EC_ERROR_INVAL; @@ -230,7 +239,7 @@ int board_set_active_charge_port(int port) port == CHARGE_PORT_NONE && charge_get_percent() < CONFIG_CHARGER_MIN_BAT_PCT_FOR_POWER_ON) { CPRINTS("Bat critical, don't stop charging"); - return -1; + return EC_ERROR_BUSY; } CPRINTS("New chg p%d", port); @@ -258,6 +267,16 @@ int board_set_active_charge_port(int port) gpio_set_level(GPIO_USB_C2_CHARGE_EN_L, port != 2); initialized = 1; + /* + * Turn on the PP2 FET such that power actually flows and turn off the + * non-charge ports' PP2 FETs. + */ + for (i = 0; i < sn5s330_cnt; i++) { + if (sn5s330_pp_fet_enable(i, SN5S330_PP2, port == i)) + CPRINTF("%sabling C%d PP2 FET failed.", + port == i ? "En" : "Dis", port); + } + return EC_SUCCESS; } diff --git a/board/zoombini/board.h b/board/zoombini/board.h index 33a2f5c05b..dcfcb9c41c 100644 --- a/board/zoombini/board.h +++ b/board/zoombini/board.h @@ -78,6 +78,7 @@ #define CONFIG_USB_PD_TCPM_PS8805 #define CONFIG_USB_PD_TCPM_TCPCI #define CONFIG_USB_PD_TCPM_MUX +#define CONFIG_USBC_PPC_SN5S330 #define CONFIG_USBC_SS_MUX #define CONFIG_USBC_VCONN #define CONFIG_USBC_VCONN_SWAP |