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author | Wai-Hong Tam <waihong@google.com> | 2021-07-19 20:20:52 -0700 |
---|---|---|
committer | Commit Bot <commit-bot@chromium.org> | 2021-07-20 22:21:37 +0000 |
commit | 18bcc95366a2b415b4a9bd74cda56bce109f9bb7 (patch) | |
tree | cc9e918527ec4e58e5da273774e2f6a3bb83a834 | |
parent | 4b2bc28799c4641a0ac302fd37171e3fb9080210 (diff) | |
download | chrome-ec-18bcc95366a2b415b4a9bd74cda56bce109f9bb7.tar.gz |
zephyr: herobrine_npcx9: Update I2C buses
This CL is a Zephyr-equivalent of CL:2993218.
Add the I2C bus for the RTC chip. The chip runs at 400KHz.
BRANCH=None
BUG=b:192253134
TEST=Built the herobrine_npcx9 image successfully.
Change-Id: I399485706c66070464fcd9fe53bec35b4c0454a6
Signed-off-by: Wai-Hong Tam <waihong@google.com>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3039388
Reviewed-by: Yuval Peress <peress@chromium.org>
-rw-r--r-- | zephyr/dts/bindings/i2c/cros-ec-i2c-port-base.yaml | 1 | ||||
-rw-r--r-- | zephyr/projects/herobrine/herobrine_npcx9/i2c.dts | 11 |
2 files changed, 12 insertions, 0 deletions
diff --git a/zephyr/dts/bindings/i2c/cros-ec-i2c-port-base.yaml b/zephyr/dts/bindings/i2c/cros-ec-i2c-port-base.yaml index caffdfacfa..3838ca6fc9 100644 --- a/zephyr/dts/bindings/i2c/cros-ec-i2c-port-base.yaml +++ b/zephyr/dts/bindings/i2c/cros-ec-i2c-port-base.yaml @@ -29,6 +29,7 @@ properties: - I2C_PORT_POWER - I2C_PORT_PPC0 - I2C_PORT_PPC1 + - I2C_PORT_RTC - I2C_PORT_SENSOR - I2C_PORT_TCPC0 - I2C_PORT_TCPC1 diff --git a/zephyr/projects/herobrine/herobrine_npcx9/i2c.dts b/zephyr/projects/herobrine/herobrine_npcx9/i2c.dts index 1caba088c9..983f5af1f8 100644 --- a/zephyr/projects/herobrine/herobrine_npcx9/i2c.dts +++ b/zephyr/projects/herobrine/herobrine_npcx9/i2c.dts @@ -9,6 +9,7 @@ i2c-1 = &i2c1_0; i2c-2 = &i2c2_0; i2c-3 = &i2c3_0; + i2c-4 = &i2c4_1; i2c-5 = &i2c5_0; i2c-7 = &i2c7_0; }; @@ -47,6 +48,11 @@ enum-name = "I2C_PORT_TCPC1"; label = "TCPC1"; }; + rtc { + i2c-port = <&i2c4_1>; + enum-name = "I2C_PORT_RTC"; + label = "RTC"; + }; eeprom { i2c-port = <&i2c5_0>; enum-name = "I2C_PORT_EEPROM"; @@ -93,6 +99,11 @@ clock-frequency = <I2C_BITRATE_FAST>; }; +&i2c4_1 { + status = "okay"; + clock-frequency = <I2C_BITRATE_FAST>; +}; + &i2c5_0 { status = "okay"; clock-frequency = <I2C_BITRATE_FAST>; |