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authorTom Rini <trini@konsulko.com>2021-08-18 00:59:48 +0300
committerTom Rini <trini@konsulko.com>2021-08-30 21:10:06 +0300
commit5b4225511efe4480806c5098c664eedfa6933432 (patch)
tree9a8e1c0c420c2059a8b9118cc6ed229e59dc0da2 /README
parent2656145224aeca3d69be68d31d5421b525e3f322 (diff)
downloadu-boot-5b4225511efe4480806c5098c664eedfa6933432.tar.xz
i2c: Remove unused additional legacy soft i2c bus support
Currently the legacy software i2c support is only used for a single bus. Remove all of the extra and unused support. Also update the README to not reference that, and finish removing some already badly auto-edited related text. Signed-off-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'README')
-rw-r--r--README14
1 files changed, 0 insertions, 14 deletions
diff --git a/README b/README
index 1c1db98098..a16afea4c9 100644
--- a/README
+++ b/README
@@ -1466,20 +1466,6 @@ The following options need to be configured:
Note: This is deprecated in favour of driver model. Use
CONFIG_DM_I2C instead.
- This enable the legacy i2c subsystem, and will allow you to use
- i2c commands at the u-boot command line (as long as you set
- CONFIG_SYS_I2C_SOFT_SPEED and CONFIG_SYS_I2C_SOFT_SLAVE
- for defining speed and slave address
- - activate second bus with I2C_SOFT_DECLARATIONS2 define
- CONFIG_SYS_I2C_SOFT_SPEED_2 and CONFIG_SYS_I2C_SOFT_SLAVE_2
- for defining speed and slave address
- - activate third bus with I2C_SOFT_DECLARATIONS3 define
- CONFIG_SYS_I2C_SOFT_SPEED_3 and CONFIG_SYS_I2C_SOFT_SLAVE_3
- for defining speed and slave address
- - activate fourth bus with I2C_SOFT_DECLARATIONS4 define
- CONFIG_SYS_I2C_SOFT_SPEED_4 and CONFIG_SYS_I2C_SOFT_SLAVE_4
- for defining speed and slave address
-
- drivers/i2c/fsl_i2c.c:
- activate i2c driver with CONFIG_SYS_I2C_FSL
define CONFIG_SYS_FSL_I2C_OFFSET for setting the register