107 lines
2.6 KiB
YAML
107 lines
2.6 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/spi/fsl-imx-cspi.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Freescale (Enhanced) Configurable Serial Peripheral Interface (CSPI/eCSPI) for i.MX
|
|
|
|
maintainers:
|
|
- Shawn Guo <shawnguo@kernel.org>
|
|
|
|
allOf:
|
|
- $ref: /schemas/spi/spi-controller.yaml#
|
|
|
|
properties:
|
|
compatible:
|
|
oneOf:
|
|
- const: fsl,imx1-cspi
|
|
- const: fsl,imx21-cspi
|
|
- const: fsl,imx27-cspi
|
|
- const: fsl,imx31-cspi
|
|
- const: fsl,imx35-cspi
|
|
- const: fsl,imx51-ecspi
|
|
- const: fsl,imx53-ecspi
|
|
- items:
|
|
- enum:
|
|
- fsl,imx25-cspi
|
|
- fsl,imx50-cspi
|
|
- fsl,imx51-cspi
|
|
- fsl,imx53-cspi
|
|
- const: fsl,imx35-cspi
|
|
- items:
|
|
- const: fsl,imx8mp-ecspi
|
|
- const: fsl,imx6ul-ecspi
|
|
- items:
|
|
- enum:
|
|
- fsl,imx50-ecspi
|
|
- fsl,imx6q-ecspi
|
|
- fsl,imx6sx-ecspi
|
|
- fsl,imx6sl-ecspi
|
|
- fsl,imx6sll-ecspi
|
|
- fsl,imx6ul-ecspi
|
|
- fsl,imx7d-ecspi
|
|
- fsl,imx8mq-ecspi
|
|
- fsl,imx8mm-ecspi
|
|
- fsl,imx8mn-ecspi
|
|
- const: fsl,imx51-ecspi
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
clocks:
|
|
items:
|
|
- description: SoC SPI ipg clock
|
|
- description: SoC SPI per clock
|
|
|
|
clock-names:
|
|
items:
|
|
- const: ipg
|
|
- const: per
|
|
|
|
dmas:
|
|
items:
|
|
- description: DMA controller phandle and request line for RX
|
|
- description: DMA controller phandle and request line for TX
|
|
|
|
dma-names:
|
|
items:
|
|
- const: rx
|
|
- const: tx
|
|
|
|
fsl,spi-rdy-drctl:
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
description: |
|
|
Integer, representing the value of DRCTL, the register controlling
|
|
the SPI_READY handling. Note that to enable the DRCTL consideration,
|
|
the SPI_READY mode-flag needs to be set too.
|
|
Valid values are: 0 (disabled), 1 (edge-triggered burst) and 2 (level-triggered burst).
|
|
enum: [0, 1, 2]
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- interrupts
|
|
- clocks
|
|
- clock-names
|
|
|
|
unevaluatedProperties: false
|
|
|
|
examples:
|
|
- |
|
|
#include <dt-bindings/clock/imx5-clock.h>
|
|
|
|
spi@70010000 {
|
|
#address-cells = <1>;
|
|
#size-cells = <0>;
|
|
compatible = "fsl,imx51-ecspi";
|
|
reg = <0x70010000 0x4000>;
|
|
interrupts = <36>;
|
|
clocks = <&clks IMX5_CLK_ECSPI1_IPG_GATE>,
|
|
<&clks IMX5_CLK_ECSPI1_PER_GATE>;
|
|
clock-names = "ipg", "per";
|
|
};
|