diff options
| -rw-r--r-- | driver/tcpm/rt1718s.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/driver/tcpm/rt1718s.c b/driver/tcpm/rt1718s.c index d90e09805d..2dd28646b3 100644 --- a/driver/tcpm/rt1718s.c +++ b/driver/tcpm/rt1718s.c @@ -722,6 +722,22 @@ static int command_rt1718s_gpio(int argc, char **argv) } DECLARE_CONSOLE_COMMAND(rt1718s_gpio, command_rt1718s_gpio, "", "RT1718S GPIO"); +#ifdef CONFIG_USB_PD_TCPM_SBU +static int rt1718s_set_sbu(int port, bool enable) +{ + /* + * The `enable` here means to enable the SBU line (set 1) + * - true: connect SBU lines from outer to the host + * - false: isolate the SBU lines + */ + return rt1718s_update_bits8(port, RT1718S_RT2_SBU_CTRL_01, + RT1718S_RT2_SBU_CTRL_01_SBU_VIEN | + RT1718S_RT2_SBU_CTRL_01_SBU1_SWEN | + RT1718S_RT2_SBU_CTRL_01_SBU2_SWEN, + enable ? 0xFF : 0); +} +#endif + /* RT1718S is a TCPCI compatible port controller */ const struct tcpm_drv rt1718s_tcpm_drv = { .init = &rt1718s_init, @@ -758,6 +774,9 @@ const struct tcpm_drv rt1718s_tcpm_drv = { .set_frs_enable = &rt1718s_set_frs_enable, #endif .set_bist_test_mode = &tcpci_set_bist_test_mode, +#ifdef CONFIG_USB_PD_TCPM_SBU + .set_sbu = &rt1718s_set_sbu, +#endif }; const struct bc12_drv rt1718s_bc12_drv = { |