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| author | Scott Chao <scott_chao@wistron.corp-partner.google.com> | 2021-07-17 16:15:15 +0800 |
|---|---|---|
| committer | Commit Bot <commit-bot@chromium.org> | 2021-07-22 00:02:02 +0000 |
| commit | 2bb173c3987f977a74e3c7b044e903820185217b (patch) | |
| tree | f08c5c4b2c764f25a5571286697f775eb1a8966d /board/gimble/i2c.c | |
| parent | 55d16f133a82db1e34f32ed84ec0c7ff22391fcf (diff) | |
| download | chrome-ec-2bb173c3987f977a74e3c7b044e903820185217b.tar.gz | |
gimble: downspeed tcpc i2c speed
BUG=b:194260437
BRANCH=none
TEST=make -j BOARD=gimble
Signed-off-by: Scott Chao <scott_chao@wistron.corp-partner.google.com>
Change-Id: I6e5c34a5c2bc14316fa55c80c8c3de5140aa692e
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3034793
Reviewed-by: Boris Mittelberg <bmbm@google.com>
Diffstat (limited to 'board/gimble/i2c.c')
| -rw-r--r-- | board/gimble/i2c.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/board/gimble/i2c.c b/board/gimble/i2c.c index 95b626e3eb..692c50082c 100644 --- a/board/gimble/i2c.c +++ b/board/gimble/i2c.c @@ -18,10 +18,14 @@ const struct i2c_port_t i2c_ports[] = { .sda = GPIO_EC_I2C_SENSOR_SDA, }, { + /* I2C1 + * TODO(b/194264003) Need to check the signals with a scope + * before raising to 1MHz. + */ /* I2C1 */ .name = "tcpc0,2", .port = I2C_PORT_USB_C0_TCPC, - .kbps = 1000, + .kbps = 400, .scl = GPIO_EC_I2C_USB_C0_C2_TCPC_SCL, .sda = GPIO_EC_I2C_USB_C0_C2_TCPC_SDA, }, @@ -34,6 +38,10 @@ const struct i2c_port_t i2c_ports[] = { .sda = GPIO_EC_I2C_USB_C0_C2_PPC_BC_SDA, }, { + /* I2C4 + * TODO(b/194264003) Need to check the signals with a scope + * before raising to 1MHz. + */ /* I2C4 C1 TCPC */ .name = "tcpc1", .port = I2C_PORT_USB_C1_TCPC, |