1 files changed, 0 insertions, 127 deletions
diff --git a/driver/ioexpander/pca9675.c b/driver/ioexpander/pca9675.c
deleted file mode 100644
index 3fe3bfa0c4..0000000000
--- a/driver/ioexpander/pca9675.c
+++ /dev/null
@@ -1,127 +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.
- *
- * NXP PCA9675PW I/O Port expander driver source
- */
-
-#include "i2c.h"
-#include "ioexpander.h"
-#include "pca9675.h"
-
-struct pca9675_ioexpander {
-	/* I/O port direction (1 = input, 0 = output) */
-	uint16_t io_direction;
-	uint16_t cache_out_pins;
-};
-
-static struct pca9675_ioexpander pca9675_iox[CONFIG_IO_EXPANDER_PORT_COUNT];
-
-static int pca9675_read16(int ioex, uint16_t *data)
-{
-	return i2c_xfer(ioex_config[ioex].i2c_host_port,
-			ioex_config[ioex].i2c_addr_flags,
-			NULL, 0, (uint8_t *)data, 2);
-}
-
-static int pca9675_write16(int ioex, uint16_t data)
-{
-	/*
-	 * PCA9675 is Quasi-bidirectional I/O architecture hence
-	 * append the direction (1 = input, 0 = output) to prevent
-	 * overwriting I/O pins inadvertently.
-	 */
-	data |= pca9675_iox[ioex].io_direction;
-
-	return i2c_xfer(ioex_config[ioex].i2c_host_port,
-			ioex_config[ioex].i2c_addr_flags,
-			(uint8_t *)&data, 2, NULL, 0);
-}
-
-static int pca9675_reset(int ioex)
-{
-	uint8_t reset = PCA9675_RESET_SEQ_DATA;
-
-	return i2c_xfer(ioex_config[ioex].i2c_host_port,
-			0, &reset, 1, NULL, 0);
-}
-
-static int pca9675_get_flags_by_mask(int ioex, int port, int mask, int *flags)
-{
-	*flags = mask & pca9675_iox[ioex].io_direction ?
-				GPIO_INPUT : GPIO_OUTPUT;
-
-	return EC_SUCCESS;
-}
-
-static int pca9675_get_level(int ioex, int port, int mask, int *val)
-{
-	int rv = EC_SUCCESS;
-	uint16_t data_read;
-
-	/* Read from IO-expander only if the pin is input */
-	if (pca9675_iox[ioex].io_direction & mask) {
-		rv = pca9675_read16(ioex, &data_read);
-		if (!rv)
-			*val = !!(data_read & mask);
-	} else {
-		*val = !!(pca9675_iox[ioex].cache_out_pins & mask);
-	}
-
-	return rv;
-}
-
-static int pca9675_set_level(int ioex, int port, int mask, int val)
-{
-	/* Update the output pins */
-	if (val)
-		pca9675_iox[ioex].cache_out_pins |= mask;
-	else
-		pca9675_iox[ioex].cache_out_pins &= ~mask;
-
-	return pca9675_write16(ioex, pca9675_iox[ioex].cache_out_pins);
-}
-
-static int pca9675_set_flags_by_mask(int ioex, int port, int mask, int flags)
-{
-	int rv = EC_SUCCESS;
-
-	/* Initialize the I/O directions */
-	if (flags & GPIO_INPUT) {
-		pca9675_iox[ioex].io_direction |= mask;
-	} else {
-		pca9675_iox[ioex].io_direction &= ~mask;
-
-		/* Initialize the pin */
-		rv = pca9675_set_level(ioex, port, mask, flags & GPIO_HIGH);
-	}
-
-	return rv;
-}
-
-static int pca9675_enable_interrupt(int ioex, int port, int mask, int enable)
-{
-	/*
-	 * Nothing to do as an interrupt is generated by any rising or
-	 * falling edge of the port inputs.
-	 */
-	return EC_SUCCESS;
-}
-
-int pca9675_init(int ioex)
-{
-	pca9675_iox[ioex].io_direction = PCA9675_DEFAULT_IO_DIRECTION;
-	pca9675_iox[ioex].cache_out_pins = 0;
-
-	/* Set pca9675 to Power-on reset */
-	return pca9675_reset(ioex);
-}
-
-const struct ioexpander_drv pca9675_ioexpander_drv = {
-	.init			= &pca9675_init,
-	.get_level		= &pca9675_get_level,
-	.set_level		= &pca9675_set_level,
-	.get_flags_by_mask	= &pca9675_get_flags_by_mask,
-	.set_flags_by_mask	= &pca9675_set_flags_by_mask,
-	.enable_interrupt	= &pca9675_enable_interrupt,
-};