1 files changed, 0 insertions, 93 deletions
diff --git a/board/cr50/usb_i2c.c b/board/cr50/usb_i2c.c
deleted file mode 100644
index 8ba90c5f63..0000000000
--- a/board/cr50/usb_i2c.c
+++ /dev/null
@@ -1,93 +0,0 @@
-/* Copyright 2016 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.
- */
-
-#include "console.h"
-#include "device_state.h"
-#include "gpio.h"
-#include "hooks.h"
-#include "i2c.h"
-#include "rdd.h"
-#include "registers.h"
-#include "system.h"
-#include "timer.h"
-#include "usb_i2c.h"
-
-#define CPRINTS(format, args...) cprints(CC_USB, format, ## args)
-
-static int i2c_enabled(void)
-{
-	return !gpio_get_level(GPIO_EN_PP3300_INA_L);
-}
-
-static void ina_disconnect(void)
-{
-	CPRINTS("Disabling I2C");
-
-	/* Disonnect I2C0 SDA/SCL output to B1/B0 pads */
-	GWRITE(PINMUX, DIOB1_SEL, 0);
-	GWRITE(PINMUX, DIOB0_SEL, 0);
-	/* Disconnect B1/B0 pads to I2C0 input SDA/SCL */
-	GWRITE(PINMUX, I2C0_SDA_SEL, 0);
-	GWRITE(PINMUX, I2C0_SCL_SEL, 0);
-
-	/* Disable power to INA chips */
-	gpio_set_level(GPIO_EN_PP3300_INA_L, 1);
-}
-DECLARE_DEFERRED(ina_disconnect);
-
-static void ina_connect(void)
-{
-	CPRINTS("Enabling I2C");
-
-	/* Apply power to INA chips */
-	gpio_set_level(GPIO_EN_PP3300_INA_L, 0);
-	/* Allow enough time for power rail to come up */
-	usleep(25);
-
-	/*
-	 * Connect B0/B1 pads to I2C0 input SDA/SCL. Note, that the inputs
-	 * for these pads are already enabled for the gpio signals I2C_SCL_INA
-	 * and I2C_SDA_INA in gpio.inc.
-	 */
-	GWRITE(PINMUX, I2C0_SDA_SEL, GC_PINMUX_DIOB1_SEL);
-	GWRITE(PINMUX, I2C0_SCL_SEL, GC_PINMUX_DIOB0_SEL);
-
-	/* Connect I2CS SDA/SCL output to B1/B0 pads */
-	GWRITE(PINMUX, DIOB1_SEL, GC_PINMUX_I2C0_SDA_SEL);
-	GWRITE(PINMUX, DIOB0_SEL, GC_PINMUX_I2C0_SCL_SEL);
-
-	/*
-	 * Initialize the i2cm module after the INAs are powered and the signal
-	 * lines are connected.
-	 */
-	i2cm_init();
-}
-
-void usb_i2c_board_disable(int debounce)
-{
-	if (!i2c_enabled())
-		return;
-
-	/*
-	 * Wait to disable i2c in case we are doing a bunch of i2c transactions
-	 * in a row.
-	 */
-	hook_call_deferred(&ina_disconnect_data, debounce ? 1 * SECOND : 0);
-}
-
-int usb_i2c_board_enable(void)
-{
-	if (device_get_state(DEVICE_SERVO) != DEVICE_STATE_OFF) {
-		CPRINTS("Servo is attached I2C cannot be enabled");
-		usb_i2c_board_disable(0);
-		return EC_ERROR_BUSY;
-	}
-
-	hook_call_deferred(&ina_disconnect_data, -1);
-
-	if (!i2c_enabled())
-		ina_connect();
-	return EC_SUCCESS;
-}