1 files changed, 37 insertions, 0 deletions
diff --git a/zephyr/projects/corsola/src/board.c b/zephyr/projects/corsola/src/board.c
new file mode 100644
index 0000000000..93a2443191
--- /dev/null
+++ b/zephyr/projects/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);
+}