drivers/i2c/i2cmux: Drop unused i2c multiplex

There is no documentation what hardware this was compatible
with.

Change-Id: Ie8832f1d7f4ca2bc8121f84b1ee564403cc69026
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38159
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Nico Huber <nico.h@gmx.de>

3 files changed, 0 insertions, 48 deletions

diff --git a/src/drivers/i2c/i2cmux/Kconfig b/src/drivers/i2c/i2cmux/Kconfig
deleted file mode 100644
index 57bb278395..0000000000
--- a/src/drivers/i2c/i2cmux/Kconfig
+++ /dev/null
@@ -1,2 +0,0 @@
-config DRIVERS_I2C_I2CMUX
-	bool
diff --git a/src/drivers/i2c/i2cmux/Makefile.inc b/src/drivers/i2c/i2cmux/Makefile.inc
deleted file mode 100644
index 64bbdce024..0000000000
--- a/src/drivers/i2c/i2cmux/Makefile.inc
+++ /dev/null
@@ -1 +0,0 @@
-ramstage-$(CONFIG_DRIVERS_I2C_I2CMUX) += i2cmux.c
diff --git a/src/drivers/i2c/i2cmux/i2cmux.c b/src/drivers/i2c/i2cmux/i2cmux.c
deleted file mode 100644
index 42b9d31057..0000000000
--- a/src/drivers/i2c/i2cmux/i2cmux.c
+++ /dev/null
@@ -1,45 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#include <device/device.h>
-#include <device/smbus.h>
-
-static void i2cmux_set_link(struct device *dev, unsigned int link)
-{
-	if (dev->enabled && dev->path.type == DEVICE_PATH_I2C) {
-		if (ops_smbus_bus(get_pbus_smbus(dev))) {
-			smbus_write_byte(dev, 0x01, 1 << link);	// output value
-			smbus_write_byte(dev, 0x03, 0);	// all output
-		}
-	}
-}
-
-static struct device_operations i2cmux_operations = {
-	.read_resources = DEVICE_NOOP,
-	.set_resources = DEVICE_NOOP,
-	.enable_resources = DEVICE_NOOP,
-	.init = DEVICE_NOOP,
-	.scan_bus = scan_smbus,
-	.set_link = i2cmux_set_link,
-};
-
-static void enable_dev(struct device *dev)
-{
-	if (dev->link_list != NULL)
-		dev->ops = &i2cmux_operations;
-}
-
-struct chip_operations drivers_i2c_i2cmux_ops = {
-	CHIP_NAME("i2cmux")
-	.enable_dev = enable_dev,
-};