1 files changed, 0 insertions, 62 deletions
diff --git a/zephyr/program/skyrim/frostflow/src/usb_mux_config.c b/zephyr/program/skyrim/frostflow/src/usb_mux_config.c
deleted file mode 100644
index 2ec1dda0be..0000000000
--- a/zephyr/program/skyrim/frostflow/src/usb_mux_config.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* 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.
- */
-
-/* Frostflow board-specific USB-C mux configuration */
-
-#include "ioexpander.h"
-#include "usbc/usb_muxes.h"
-
-#define CPRINTSUSB(format, args...) cprints(CC_USBCHARGE, format, ##args)
-#define CPRINTFUSB(format, args...) cprintf(CC_USBCHARGE, format, ##args)
-
-/*
- * USB C0 (general) and C1 (just ps8815 DB) use IOEX pins to
- * indicate flipped polarity to a protection switch.
- */
-static int ioex_set_flip(int port, mux_state_t mux_state)
-{
-	if (port == 0) {
-		if (mux_state & USB_PD_MUX_POLARITY_INVERTED)
-			gpio_pin_set_dt(
-				GPIO_DT_FROM_NODELABEL(ioex_usb_c0_sbu_flip),
-				1);
-		else
-			gpio_pin_set_dt(
-				GPIO_DT_FROM_NODELABEL(ioex_usb_c0_sbu_flip),
-				0);
-	} else {
-		if (mux_state & USB_PD_MUX_POLARITY_INVERTED)
-			gpio_pin_set_dt(
-				GPIO_DT_FROM_NODELABEL(ioex_usb_c1_sbu_flip),
-				1);
-		else
-			gpio_pin_set_dt(
-				GPIO_DT_FROM_NODELABEL(ioex_usb_c1_sbu_flip),
-				0);
-	}
-
-	return EC_SUCCESS;
-}
-
-int board_c0_amd_fp6_mux_set(const struct usb_mux *me, mux_state_t mux_state)
-{
-	/* Set the SBU polarity mux */
-	RETURN_ERROR(ioex_set_flip(me->usb_port, mux_state));
-
-	return EC_SUCCESS;
-}
-
-int board_c1_ps8818_mux_set(const struct usb_mux *me, mux_state_t mux_state)
-{
-	CPRINTSUSB("C1: PS8818 mux using default tuning");
-
-	/* Once a DP connection is established, we need to set IN_HPD */
-	if (mux_state & USB_PD_MUX_DP_ENABLED)
-		ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 1);
-	else
-		ioex_set_level(IOEX_USB_C1_HPD_IN_DB, 0);
-
-	return 0;
-}