1 files changed, 0 insertions, 116 deletions
diff --git a/driver/retimer/tusb544.c b/driver/retimer/tusb544.c
deleted file mode 100644
index 9de543fd42..0000000000
--- a/driver/retimer/tusb544.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/* Copyright 2020 The Chromium OS Authors. All rights reserved.
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- *
- * TI TUSB544 USB Type-C Multi-Protocol Linear Redriver
- */
-#include "i2c.h"
-#include "tusb544.h"
-#include "usb_mux.h"
-
-static int tusb544_write(const struct usb_mux *me, int offset, int data)
-{
-	return i2c_write8(me->i2c_port,
-			  me->i2c_addr_flags,
-			  offset, data);
-}
-
-static int tusb544_read(const struct usb_mux *me, int offset, int *data)
-{
-	return i2c_read8(me->i2c_port,
-			 me->i2c_addr_flags,
-			 offset, data);
-}
-
-int tusb544_i2c_field_update8(const struct usb_mux *me, int offset,
-			     uint8_t field_mask, uint8_t set_value)
-{
-	int rv;
-
-	rv = i2c_field_update8(me->i2c_port,
-			       me->i2c_addr_flags,
-			       offset,
-			       field_mask,
-			       set_value);
-
-	return rv;
-}
-
-static int tusb544_enter_low_power_mode(const struct usb_mux *me)
-{
-	int reg;
-	int rv;
-
-	rv = tusb544_read(me, TUSB544_REG_GENERAL4, &reg);
-	if (rv)
-		return rv;
-
-	/* Setting CTL_SEL[0,1] to 0 powers down, per Table 5 */
-	reg &= ~TUSB544_GEN4_CTL_SEL;
-	/* Clear HPD */
-	reg &= ~TUSB544_GEN4_HPDIN;
-
-	return tusb544_write(me, TUSB544_REG_GENERAL4, reg);
-}
-
-static int tusb544_init(const struct usb_mux *me)
-{
-	return EC_SUCCESS;
-}
-
-static int tusb544_set_mux(const struct usb_mux *me, mux_state_t mux_state,
-			   bool *ack_required)
-{
-	int reg;
-	int rv;
-
-	/* This driver does not use host command ACKs */
-	*ack_required = false;
-
-	if (mux_state == USB_PD_MUX_NONE)
-		return tusb544_enter_low_power_mode(me);
-
-	rv = tusb544_read(me, TUSB544_REG_GENERAL4, &reg);
-	if (rv)
-		return rv;
-
-	if (mux_state & USB_PD_MUX_POLARITY_INVERTED)
-		reg |= TUSB544_GEN4_FLIP_SEL;
-	else
-		reg &= ~TUSB544_GEN4_FLIP_SEL;
-
-	reg &= ~TUSB544_GEN4_CTL_SEL;
-
-	if (IS_ENABLED(CONFIG_TUSB544_EQ_BY_REGISTER))
-		reg |= TUSB544_GEN4_EQ_OVRD;
-
-	if ((mux_state & USB_PD_MUX_USB_ENABLED) &&
-	    (mux_state & USB_PD_MUX_DP_ENABLED)) {
-		reg |= TUSB544_CTL_SEL_DP_USB;
-		reg |= TUSB544_GEN4_HPDIN;
-	} else if (mux_state & USB_PD_MUX_DP_ENABLED) {
-		reg |= TUSB544_CTL_SEL_DP_ONLY;
-		reg |= TUSB544_GEN4_HPDIN;
-	} else if (mux_state & USB_PD_MUX_USB_ENABLED)
-		reg |= TUSB544_CTL_SEL_USB_ONLY;
-
-	rv = tusb544_write(me, TUSB544_REG_GENERAL4, reg);
-	if (rv)
-		return rv;
-
-	rv = tusb544_read(me, TUSB544_REG_GENERAL6, &reg);
-	if (rv)
-		return rv;
-
-	reg &= ~TUSB544_GEN6_DIR_SEL;
-	/* All chromebooks are DP SRC */
-	reg |= TUSB544_DIR_SEL_USB_DP_SRC;
-
-	return tusb544_write(me, TUSB544_REG_GENERAL6, reg);
-}
-
-const struct usb_mux_driver tusb544_drv = {
-	.enter_low_power_mode = &tusb544_enter_low_power_mode,
-	.init = &tusb544_init,
-	.set = &tusb544_set_mux,
-};