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Microchip: MEC172x: eSPI driver

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Updates to MEC172x eSPI driver to support ACPI shared
memory region and EC Host Command Subsystem through
ACPI_EC1 and Embedded Memory Interface (EMI).

Signed-off-by: Jay Vasanth <jay.vasanth@microchip.com>
This commit is contained in:
Jay Vasanth 2021-11-01 14:58:49 -04:00 • committed by Carles Cufí
commit 70d4559fdf
5 changed files with 204 additions and 2 deletions
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16
drivers/espi/Kconfig.xec_v2
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@ -10,6 +10,22 @@ config ESPI_XEC_V2
help
Enable the Microchip XEC ESPI driver for MEC172x series.
config ESPI_XEC_PERIPHERAL_ACPI_SHD_MEM_SIZE
int "Host I/O peripheral port size for shared memory in MEC172X series"
depends on ESPI_XEC_V2 || ESPI_PERIPHERAL_ACPI_SHM_REGION
default 256
help
This is the port size used by the Host and EC to communicate over
the shared memory region to return the ACPI response data.
config ESPI_XEC_PERIPHERAL_HOST_CMD_PARAM_SIZE
int "Host I/O peripheral port size for ec host command in MEC172X series"
depends on ESPI_XEC_V2 || ESPI_PERIPHERAL_EC_HOST_CMD
default 256
help
This is the port size used by the Host and EC to communicate over
the shared memory region to return the host command parameter data.
if ESPI_XEC_V2
config ESPI_OOB_CHANNEL