Spracherkennung für: .yaml vermutete Sprache: Unknown {[0] [0] [0]} [Methode: Schwerpunktbildung, einfache Gewichte, sechs Dimensionen]
# SPDX-License-Identifier: GPL-
2.
0
%YAML
1.
2
---
$id:
http://devicetree.org/schemas/spi/spi-pl022.yaml#
$schema:
http://devicetree.org/meta-schemas/core.yaml#
title: ARM PL022 SPI controller
maintainers:
- Linus Walleij <linus.walleij@linaro.org>
allOf:
- $ref: spi-controller.yaml#
- $ref: /schemas/arm/primecell.yaml#
# We need a select here so we don't match all nodes with 'arm,primecell'
select:
properties:
compatible:
contains:
const: arm,pl022
required:
- compatible
properties:
compatible:
items:
- const: arm,pl022
- const: arm,primecell
reg:
maxItems:
1
interrupts:
maxItems:
1
clocks:
maxItems:
2
clock-names:
items:
- const: sspclk
- const: apb_pclk
pl022,autosuspend-delay:
description: delay in ms following transfer completion before the
runtime power management system suspends the device. A setting of
0
indicates no delay and the device will be suspended immediately.
$ref: /schemas/types.yaml#/definitions/uint32
pl022,rt:
description: indicates the controller should run the message pump with realtime
priority to minimise the transfer latency on the bus (boolean)
type: boolean
dmas:
description:
Two or more DMA channel specifiers following the convention outlined
in bindings/dma/dma.txt
minItems:
2
maxItems:
32
dma-names:
description:
There must be at least one channel named "tx" for transmit and named "rx"
for receive.
minItems:
2
maxItems:
32
additionalItems: true
items:
- const: rx
- const: tx
resets:
maxItems:
1
required:
- compatible
- reg
- interrupts
unevaluatedProperties: false
examples:
- |
spi@e0100000 {
compatible = "arm,pl022", "arm,primecell";
reg = <
0xe0100000
0x1000>;
#address-cells = <
1>;
#size-cells = <
0>;
interrupts = <
0 31 0x4>;
dmas = <&dma_controller
23 1>,
<&dma_controller
24 0>;
dma-names = "rx", "tx";
flash@
1 {
compatible = "st,m25p80";
reg = <
1>;
spi-max-frequency = <
12000000>;
spi-cpol;
spi-cpha;
pl022,interface = <
0>;
pl022,com-mode = <
0x2>;
pl022,rx-level-trig = <
0>;
pl022,tx-level-trig = <
0>;
pl022,ctrl-len = <
0x11>;
pl022,wait-state = <
0>;
pl022,duplex = <
0>;
};
};
...