diff options
| author | Jon Murphy <jpmurphy@google.com> | 2022-02-17 20:21:37 -0700 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2022-02-28 13:30:13 +0000 |
| commit | 410b7cb97ebf3c0ad3ea972d556c72a8883e8317 (patch) | |
| tree | 0b8904531de2044f5d1d9025cc25e4c0cf612729 /src/mainboard | |
| parent | f79cc51b3f8e490788598b51523897a68152abc6 (diff) | |
mb/google/skyrim: Add initial I2C configuration
Add I2C peripheral reset configuration required during early init.
Enabled I2C generic and HID drivers.
BUG=b:214414677
TEST=Build
Signed-off-by: Jon Murphy <jpmurphy@google.com>
Change-Id: I06e564cf6eca844101d70ff865f3074b45a55d55
Reviewed-on: https://review.coreboot.org/c/coreboot/+/62160
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/skyrim/Kconfig | 2 | ||||
| -rw-r--r-- | src/mainboard/google/skyrim/variants/baseboard/devicetree.cb | 7 | ||||
| -rw-r--r-- | src/mainboard/google/skyrim/variants/skyrim/overridetree.cb | 27 |
3 files changed, 36 insertions, 0 deletions
diff --git a/src/mainboard/google/skyrim/Kconfig b/src/mainboard/google/skyrim/Kconfig index 2a0ce65ef5..558c667384 100644 --- a/src/mainboard/google/skyrim/Kconfig +++ b/src/mainboard/google/skyrim/Kconfig @@ -18,6 +18,8 @@ config BOARD_SPECIFIC_OPTIONS def_bool y select AMD_SOC_CONSOLE_UART select BOARD_ROMSIZE_KB_16384 + select DRIVERS_I2C_GENERIC + select DRIVERS_I2C_HID select EC_GOOGLE_CHROMEEC select EC_GOOGLE_CHROMEEC_ESPI select ELOG diff --git a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb index eaf998a73a..242f0fac72 100644 --- a/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb +++ b/src/mainboard/google/skyrim/variants/baseboard/devicetree.cb @@ -1,5 +1,8 @@ # SPDX-License-Identifier: GPL-2.0-or-later chip soc/amd/sabrina + register "i2c_scl_reset" = "GPIO_I2C0_SCL | GPIO_I2C1_SCL | + GPIO_I2C2_SCL | GPIO_I2C3_SCL" + device domain 0 on device ref lpc_bridge on chip ec/google/chromeec @@ -84,4 +87,8 @@ chip soc/amd/sabrina end end # domain device ref uart_0 on end # UART0 + device ref i2c_0 on end + device ref i2c_1 on end + device ref i2c_2 on end + device ref i2c_3 on end end # chip soc/amd/sabrina diff --git a/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb b/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb index 4fb8baf086..599478fb82 100644 --- a/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb +++ b/src/mainboard/google/skyrim/variants/skyrim/overridetree.cb @@ -6,4 +6,31 @@ end chip soc/amd/sabrina device domain 0 on end # domain + + # I2C Config + #+-------------------+----------------------------+ + #| Field | Value | + #+-------------------+----------------------------+ + #| I2C0 | Trackpad | + #| I2C1 | Touchscreen | + #| I2C2 | Speaker, Codec, P-SAR, USB | + #| I2C3 | D2 TPM | + #+-------------------+----------------------------+ + register "i2c[0]" = "{ + .speed = I2C_SPEED_FAST, + }" + + register "i2c[1]" = "{ + .speed = I2C_SPEED_FAST, + }" + + register "i2c[2]" = "{ + .speed = I2C_SPEED_FAST, + }" + + register "i2c[3]" = "{ + .speed = I2C_SPEED_FAST, + .early_init = true, + }" + end # chip soc/amd/sabrina |