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author | Sue Chen <sue.chen@quanta.corp-partner.google.com> | 2021-08-18 09:31:43 +0800 |
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committer | Commit Bot <commit-bot@chromium.org> | 2021-08-18 04:44:14 +0000 |
commit | 6579515b4b6df035bad7878b03f0522addeec44f (patch) | |
tree | b384eefeddf759b666eeec83d928c855af57db09 | |
parent | c4d9b9c91342c15c2bb707fd822b2d7a3f730854 (diff) | |
download | chrome-ec-6579515b4b6df035bad7878b03f0522addeec44f.tar.gz |
Pico: Fix I2C freqency for sensor
For KX022 is recommended I2C CLK timing minimum to 2.5us, set
IT83XX_I2C_CH_B to 400kbps. Fill min and max frequency in
motion_sensors for KX022.
BUG=b:196998259
BRANCH=icarus
TEST=I2C timing meets the spec.
Signed-off-by: Sue Chen <sue.chen@quanta.corp-partner.google.com>
Change-Id: I74e1bd6e59963dc86fd5f8725a5ee0d5aeda1d59
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3102329
Reviewed-by: Ting Shen <phoenixshen@chromium.org>
Reviewed-by: Shou-Chieh Hsu <shouchieh@chromium.org>
Commit-Queue: Shou-Chieh Hsu <shouchieh@chromium.org>
-rw-r--r-- | board/pico/board.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/board/pico/board.c b/board/pico/board.c index 1b6a2a3836..11e03eb66a 100644 --- a/board/pico/board.c +++ b/board/pico/board.c @@ -85,6 +85,8 @@ struct motion_sensor_t motion_sensors[] = { .port = I2C_PORT_SENSORS, .i2c_spi_addr_flags = KX022_ADDR1_FLAGS, .rot_standard_ref = &lid_standard_ref, + .min_frequency = KX022_ACCEL_MIN_FREQ, + .max_frequency = KX022_ACCEL_MAX_FREQ, .default_range = 2, /* g, enough to calculate lid angle. */ .config = { /* EC use accel for angle detection */ @@ -207,7 +209,7 @@ BUILD_ASSERT(ARRAY_SIZE(adc_channels) == ADC_CH_COUNT); /* I2C ports */ const struct i2c_port_t i2c_ports[] = { {"typec", IT83XX_I2C_CH_C, 400, GPIO_I2C_C_SCL, GPIO_I2C_C_SDA}, - {"other", IT83XX_I2C_CH_B, 100, GPIO_I2C_B_SCL, GPIO_I2C_B_SDA}, + {"sensor", IT83XX_I2C_CH_B, 400, GPIO_I2C_B_SCL, GPIO_I2C_B_SDA}, {"battery", IT83XX_I2C_CH_A, 100, GPIO_I2C_A_SCL, GPIO_I2C_A_SDA}, }; const unsigned int i2c_ports_used = ARRAY_SIZE(i2c_ports); |