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| author | Simon Glass <sjg@chromium.org> | 2021-07-10 21:14:32 -0600 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2021-07-28 14:29:37 -0400 |
| commit | 69d9eda4da13ecabb8002fce0dded4bba3bff9f9 (patch) | |
| tree | 9f87f286ae11fb184114b901a5be2521a6551d40 /README | |
| parent | 9ca00684db9d4c2b5973a764ba7826c71e931f16 (diff) | |
| download | u-boot-69d9eda4da13ecabb8002fce0dded4bba3bff9f9.zip u-boot-69d9eda4da13ecabb8002fce0dded4bba3bff9f9.tar.gz u-boot-69d9eda4da13ecabb8002fce0dded4bba3bff9f9.tar.bz2 | |
i2c: Rename CONFIG_SYS_I2C to CONFIG_SYS_I2C_LEGACY
It is quite confusing that CONFIG_SYS_I2C selects the legacy I2C and
CONFIG_DM_I2C selects the current I2C. The deadline to migrate I2C is less
than a year away.
Also we want to have a CONFIG_I2C for U-Boot proper just like we have
CONFIG_SPL_I2C for SPL, so we can simplify the Makefile rules.
Rename this symbol so it is clear it is going away.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'README')
| -rw-r--r-- | README | 7 |
1 files changed, 5 insertions, 2 deletions
@@ -1461,9 +1461,12 @@ The following options need to be configured: In such cases CONFIG_GPIO_LED_INVERTED_TABLE may be defined with a list of GPIO LEDs that have inverted polarity. -- I2C Support: CONFIG_SYS_I2C +- I2C Support: CONFIG_SYS_I2C_LEGACY - This enable the NEW i2c subsystem, and will allow you to use + 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 |