ramips: enable I2C_CHARDEV

Expose I2C busses with a chardev device. This is required to control the
PSE controller on the Ubiquiti UniFi Flex Switch.

Signed-off-by: David Bauer <mail@david-bauer.net>

diff --git a/target/linux/ramips/mt7621/config-5.4 b/target/linux/ramips/mt7621/config-5.4
index 46f519fa66c95c3db69de4c384b64665825e9fb3..1be4db73fa47833e75ff0fb0900ad1b85d39ab7a 100644 (file)
--- a/target/linux/ramips/mt7621/config-5.4
+++ b/target/linux/ramips/mt7621/config-5.4
@@ -100,6 +100,7 @@ CONFIG_HIGHMEM=y
 CONFIG_HZ_PERIODIC=y
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
+CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_GPIO=y
 CONFIG_I2C_MT7621=y
 CONFIG_INITRAMFS_SOURCE=""