diff options
Diffstat (limited to 'zephyr/program/corsola/src/board.c')
-rw-r--r-- | zephyr/program/corsola/src/board.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/zephyr/program/corsola/src/board.c b/zephyr/program/corsola/src/board.c new file mode 100644 index 0000000000..93a2443191 --- /dev/null +++ b/zephyr/program/corsola/src/board.c @@ -0,0 +1,37 @@ +/* Copyright 2022 The ChromiumOS Authors + * Use of this source code is governed by a BSD-style license that can be + * found in the LICENSE file. + */ + +#include "console.h" +#include "hooks.h" +#include "typec_control.h" +#include "usb_dp_alt_mode.h" +#include "usb_mux.h" +#include "usb_pd.h" +#include "usbc_ppc.h" + +#include "baseboard_usbc_config.h" + +#define CPRINTS(format, args...) cprints(CC_USB, format, ##args) + +static void ccd_interrupt_deferred(void) +{ + /* + * If CCD_MODE_ODL asserts, it means there's a debug accessory connected + * and we should enable the SBU FETs. + */ + typec_set_sbu(CONFIG_CCD_USBC_PORT_NUMBER, 1); + + /* Mux DP AUX away when CCD enabled to prevent the AUX channel + * interferes the SBU pins. + */ + CPRINTS("CCD Enabled, mux DP_AUX_PATH_SEL to 1"); + gpio_pin_set_dt(GPIO_DT_FROM_NODELABEL(dp_aux_path_sel), 1); +} +DECLARE_DEFERRED(ccd_interrupt_deferred); + +void ccd_interrupt(enum gpio_signal signal) +{ + hook_call_deferred(&ccd_interrupt_deferred_data, 0); +} |