diff options
author | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2020-01-03 10:15:03 +0200 |
---|---|---|
committer | Kyösti Mälkki <kyosti.malkki@gmail.com> | 2020-01-04 22:08:08 +0000 |
commit | 3f56ad9f72aab28e91212f0f7e4e3a5ef3e6f592 (patch) | |
tree | 75e768feba4ff63d6bb3b14807d3a9341b20b08d /src | |
parent | 8a20edc8617ce50dc45192ca29324b4cc611f101 (diff) |
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>
Diffstat (limited to 'src')
-rw-r--r-- | src/drivers/i2c/i2cmux/Kconfig | 2 | ||||
-rw-r--r-- | src/drivers/i2c/i2cmux/Makefile.inc | 1 | ||||
-rw-r--r-- | src/drivers/i2c/i2cmux/i2cmux.c | 45 |
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, -}; |