zephyr/dts/bindings/espi/nuvoton,npcx-espi.yaml

57 lines
1.5 KiB
YAML

# Copyright (c) 2020 Nuvoton Technology Corporation.
# SPDX-License-Identifier: Apache-2.0
description: Nuvoton, NPCX-eSPI node
compatible: "nuvoton,npcx-espi"
include: [espi-controller.yaml, pinctrl-device.yaml]
properties:
reg:
description: mmio register space
required: true
clocks:
required: true
description: configurations of device source clock controller
pinctrl-0:
required: true
pinctrl-names:
required: true
espi-rst-wui:
type: phandle
required: true
description: |
Mapping table between Wake-Up Input (WUI) and ESPI_RST signal.
For example the WUI mapping on NPCX7 would be
espi-rst-wui = <&wui_cr_sin1>;
rx-plsize:
type: int
required: true
description: The maximum receive channel payload size.
tx-plsize:
type: int
required: true
description: The maximum transmit channel payload size.
vw-index-extend-set:
type: array
description: |
Array of encoded virtual wire information
Update the vw index in group setting. Here is the format.
< ESPI_NPCX_VW_EX_VAL(direction, group_number, index) >
direction: 1 for ESPI_CONTROLLER_TO_TARGET and 0 for ESPI_TARGET_TO_CONTROLLER.
group_number: The number of VWEVMS or VWEVSM.
index: The index to be replaced.
For example, update the index of VWEVMS6 into 0x4A and the index of VWEVSM8 into 0x53
vw-index-extend-set = < ESPI_NPCX_VW_EX_VAL(1, 6, 0x4A)
ESPI_NPCX_VW_EX_VAL(0, 8, 0x53) >