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mb/google/mancomb: Enable AMD I2S Machine Driver 

Enable AMD I2S machine driver and configure the devicetree with HID
information so that the machine driver ACPI objects can be passed to the
kernel. Also configure Audio Co-processor(ACP) to operate in I2S TDM mode.

BUG=b:187860242
TEST=Build and boot to OS in Guybrush. Ensure that the ACPD device is
enabled in the appropriate scope in SSDT.

Signed-off-by: Ivy Jian <ivy_jian@compal.corp-partner.google.com>
Change-Id: I528f90d81a418236e512a1e0840ff44c3a3a983e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/54549
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
This commit is contained in:
Ivy Jian 2021-05-18 11:10:55 +08:00 committed by Patrick Georgi
parent 4cedb8c3a9
commit c4609125bf
2 changed files with 13 additions and 0 deletions
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1
src/mainboard/google/mancomb/Kconfig
View File

@ -11,6 +11,7 @@ config BOARD_SPECIFIC_OPTIONS
select BOARD_ROMSIZE_KB_16384 select BOARD_ROMSIZE_KB_16384
select DISABLE_KEYBOARD_RESET_PIN select DISABLE_KEYBOARD_RESET_PIN
select DISABLE_SPI_FLASH_ROM_SHARING select DISABLE_SPI_FLASH_ROM_SHARING
select DRIVERS_AMD_I2S_MACHINE_DEV
select DRIVERS_I2C_GENERIC select DRIVERS_I2C_GENERIC
select DRIVERS_I2C_HID select DRIVERS_I2C_HID
select DRIVERS_UART_ACPI select DRIVERS_UART_ACPI

12
src/mainboard/google/mancomb/variants/baseboard/devicetree.cb
View File

@ -1,6 +1,12 @@
# SPDX-License-Identifier: GPL-2.0-or-later # SPDX-License-Identifier: GPL-2.0-or-later
chip soc/amd/cezanne chip soc/amd/cezanne
register "common_config.acp_config" = "{
.acp_pin_cfg = I2S_PINS_I2S_TDM,
.acp_i2s_wake_enable = 0,
.acp_pme_enable = 0,
}"
register "system_configuration" = "3" register "system_configuration" = "3"
# eSPI Configuration # eSPI Configuration
@ -115,6 +121,12 @@ chip soc/amd/cezanne
end end
end end
end end
device ref acp on
chip drivers/amd/i2s_machine_dev
register "hid" = ""AMDI5682""
device generic 0.0 on end
end
end # Audio
end end
device ref lpc_bridge on device ref lpc_bridge on
chip ec/google/chromeec chip ec/google/chromeec