| # Host Command backend configs |
| |
| # Copyright (c) 2020 Google LLC |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| DT_CHOSEN_ESPI_BACKEND := zephyr,host-cmd-espi-backend |
| DT_CHOSEN_SHI_BACKEND := zephyr,host-cmd-shi-backend |
| DT_CHOSEN_UART_BACKEND := zephyr,host-cmd-uart-backend |
| DT_CHOSEN_SPI_BACKEND := zephyr,host-cmd-spi-backend |
| |
| config EC_HOST_CMD_BACKEND_SIMULATOR |
| bool "Embedded Controller Host Command Backend Simulator" |
| depends on SOC_POSIX |
| help |
| Enable the EC host command simulator. |
| |
| config EC_HOST_CMD_BACKEND_ESPI |
| bool "Host commands support using eSPI bus" |
| default $(dt_chosen_enabled,$(DT_CHOSEN_ESPI_BACKEND)) |
| depends on ESPI_PERIPHERAL_EC_HOST_CMD |
| depends on ESPI_PERIPHERAL_CUSTOM_OPCODE |
| help |
| Enable support for Embedded Controller host commands using |
| the eSPI bus. |
| |
| config EC_HOST_CMD_BACKEND_SHI |
| bool "Host commands support using SHI" |
| default $(dt_chosen_enabled,$(DT_CHOSEN_SHI_BACKEND)) |
| help |
| Enable support for Embedded Controller host commands using |
| the Serial Host Interface. |
| |
| config EC_HOST_CMD_BACKEND_UART |
| bool "Host commands support using UART" |
| default $(dt_chosen_enabled,$(DT_CHOSEN_UART_BACKEND)) |
| depends on UART_ASYNC_API |
| help |
| Enable support for Embedded Controller host commands using |
| the UART. |
| |
| config EC_HOST_CMD_BACKEND_SPI |
| bool "Host commands support using SPI" |
| help |
| Enable support for Embedded Controller host commands using |
| the SPI. |
| |
| if EC_HOST_CMD_BACKEND_SHI |
| |
| choice EC_HOST_CMD_BACKEND_SHI_DRIVER |
| prompt "SHI driver" |
| default EC_HOST_CMD_BACKEND_SHI_NPCX if SOC_FAMILY_NPCX |
| default EC_HOST_CMD_BACKEND_SHI_ITE if SOC_IT8XXX2 |
| |
| config EC_HOST_CMD_BACKEND_SHI_NPCX |
| bool "SHI by Nuvoton" |
| depends on DT_HAS_NUVOTON_NPCX_SHI_ENABLED || \ |
| DT_HAS_NUVOTON_NPCX_SHI_ENHANCED_ENABLED |
| help |
| This option enables the driver for SHI backend in the |
| Nuvoton NPCX chip. |
| |
| config EC_HOST_CMD_BACKEND_SHI_ITE |
| bool "SHI by ITE" |
| depends on DT_HAS_ITE_IT8XXX2_SHI_ENABLED |
| help |
| This option enables the driver for SHI backend in the |
| ITE IT8xxx2 chips family. |
| |
| endchoice |
| |
| config EC_HOST_CMD_BACKEND_SHI_NPCX_ENHANCED_BUF_MODE |
| def_bool DT_HAS_NUVOTON_NPCX_SHI_ENHANCED_ENABLED |
| help |
| In this mode, besides the original 128-bytes FIFO, an additional |
| single-byte output buffer can be selected/switched to generate a |
| response to simultaneous Read/Write transactions. |
| |
| config EC_HOST_CMD_BACKEND_SHI_MAX_REQUEST |
| int "Max data size for the version 3 request packet" |
| default 544 if EC_HOST_CMD_BACKEND_SHI_NPCX |
| default 256 if EC_HOST_CMD_BACKEND_SHI_ITE |
| help |
| This option indicates maximum data size for a version 3 request |
| packet. This must be big enough to handle the biggest possible |
| request. |
| |
| config EC_HOST_CMD_BACKEND_SHI_MAX_RESPONSE |
| int "Max data size for the version 3 response packet" |
| default 544 if EC_HOST_CMD_BACKEND_SHI_NPCX |
| default 248 if EC_HOST_CMD_BACKEND_SHI_ITE |
| help |
| This option indicates maximum data size for a version 3 response |
| packet. This must be big enough to handle the biggest possible |
| response. |
| |
| endif # EC_HOST_CMD_BACKEND_SHI |
| |
| if EC_HOST_CMD_BACKEND_SPI |
| |
| choice EC_HOST_CMD_BACKEND_SPI_DRIVER |
| prompt "SHI driver" |
| default EC_HOST_CMD_BACKEND_SPI_STM32 if DT_HAS_ST_STM32_SPI_HOST_CMD_ENABLED |
| |
| config EC_HOST_CMD_BACKEND_SPI_STM32 |
| bool "SPI by STM32" |
| help |
| This option enables the driver for SPI backend in the |
| STM32 chip family. |
| |
| endchoice |
| |
| endif # EC_HOST_CMD_BACKEND_SPI |
