blob: 11a5577a0c6d49bd4c4a7e86482bb3db6bf6fc5a [file] [log] [blame]
# Copyright (c) 2018, Google LLC.
# SPDX-License-Identifier: Apache-2.0
description: Microchip XEC QMSPI controller
compatible: "microchip,xec-qmspi"
include: [spi-controller.yaml, pinctrl-device.yaml]
properties:
reg:
required: true
port_sel:
type: int
required: true
description: SPI Port 0 or 1.
pinctrl-0:
required: true
pinctrl-names:
required: true
rxdma:
type: int
required: true
description: Receive DMA channel
txdma:
type: int
required: true
description: Transmit DMA channel
lines:
type: int
required: true
description: QMSPI lines 1, 2, or 4
chip_select:
type: int
required: true
description: Use QMSPI CS0# or CS1#
dcsckon:
type: int
required: true
description: Delay in system clocks from CS# assertion to first clock edge
dckcsoff:
type: int
required: true
description: Delay in system clocks from last clock edge to CS# de-assertion
dldh:
type: int
required: true
description: Delay in system clocks from CS# de-assertion to driving HOLD# and WP#
dcsda:
type: int
required: true
description: Delay in system clocks from CS# de-assertion to CS# assertion