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| author | Shawn Nematbakhsh <shawnn@chromium.org> | 2015-04-15 17:40:29 -0700 |
|---|---|---|
| committer | ChromeOS Commit Bot <chromeos-commit-bot@chromium.org> | 2015-04-22 01:46:18 +0000 |
| commit | 5dd8aa92f274180fbbdd4dc7122eaa7bd1f9d8f9 (patch) | |
| tree | 63bb3f899d89893c9a349dc9075ed9724c2d742b /chip/mec1322/config_chip.h | |
| parent | 2e0cc436b1f4cd60cdae8c4041b479d38ef8d774 (diff) | |
| download | chrome-ec-5dd8aa92f274180fbbdd4dc7122eaa7bd1f9d8f9.tar.gz | |
mec1322: i2c: Support multiple I2C ports on the same controller
mec1322 I2C controller 0 has two attached ports. Modify the I2C driver so
that both ports are usable.
BUG=chrome-os-partner:38335,chrome-os-partner:38945
TEST=Manual on strago. Verify that i2cscan is functional.
BRANCH=None
Change-Id: I18d9d516984d041a38c86fd4ec1b0bfa4e885c9f
Signed-off-by: Shawn Nematbakhsh <shawnn@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/265951
Reviewed-by: Divya Jyothi <divya.jyothi@intel.com>
Reviewed-by: Alec Berg <alecaberg@chromium.org>
Diffstat (limited to 'chip/mec1322/config_chip.h')
| -rw-r--r-- | chip/mec1322/config_chip.h | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/chip/mec1322/config_chip.h b/chip/mec1322/config_chip.h index 43f9974222..ecf2f5ade8 100644 --- a/chip/mec1322/config_chip.h +++ b/chip/mec1322/config_chip.h @@ -23,8 +23,14 @@ /* Maximum number of deferrable functions */ #define DEFERRABLE_MAX_COUNT 8 -/* Number of I2C ports */ -#define I2C_PORT_COUNT 4 +/* + * Number of I2C controllers. Controller 0 has 2 ports, so the chip has one + * additional port. + */ +#define CONFIG_I2C_MULTI_PORT_CONTROLLER + +#define I2C_CONTROLLER_COUNT 4 +#define I2C_PORT_COUNT 5 /****************************************************************************/ /* Memory mapping */ |