mirror of
git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2025-11-01 09:13:37 +00:00
ffae65fb1a
Add a label property to allow a custom name to be used for identifying the
controller on a board. This is useful when there is more than one
controller present. Similar change was done by commit 412b7a521c
("dt-bindings: eeprom: at24: Add label property for AT24").
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/82cd1a57397867b5a1039cd15244344c02a3ece1.1691047461.git.michal.simek@amd.com
Signed-off-by: Mark Brown <broonie@kernel.org>
79 lines
1.5 KiB
YAML
79 lines
1.5 KiB
YAML
# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
|
|
%YAML 1.2
|
|
---
|
|
$id: http://devicetree.org/schemas/spi/spi-cadence.yaml#
|
|
$schema: http://devicetree.org/meta-schemas/core.yaml#
|
|
|
|
title: Cadence SPI controller
|
|
|
|
maintainers:
|
|
- Michal Simek <michal.simek@amd.com>
|
|
|
|
allOf:
|
|
- $ref: spi-controller.yaml#
|
|
|
|
properties:
|
|
compatible:
|
|
enum:
|
|
- cdns,spi-r1p6
|
|
- xlnx,zynq-spi-r1p6
|
|
|
|
reg:
|
|
maxItems: 1
|
|
|
|
interrupts:
|
|
maxItems: 1
|
|
|
|
clock-names:
|
|
items:
|
|
- const: ref_clk
|
|
- const: pclk
|
|
|
|
clocks:
|
|
maxItems: 2
|
|
|
|
num-cs:
|
|
description: |
|
|
Number of chip selects used. If a decoder is used,
|
|
this will be the number of chip selects after the
|
|
decoder.
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
minimum: 1
|
|
maximum: 4
|
|
default: 4
|
|
|
|
is-decoded-cs:
|
|
description: |
|
|
Flag to indicate whether decoder is used or not.
|
|
$ref: /schemas/types.yaml#/definitions/uint32
|
|
enum: [ 0, 1 ]
|
|
default: 0
|
|
|
|
power-domains:
|
|
maxItems: 1
|
|
|
|
label:
|
|
description: Descriptive name of the SPI controller.
|
|
|
|
required:
|
|
- compatible
|
|
- reg
|
|
- interrupts
|
|
- clock-names
|
|
- clocks
|
|
|
|
unevaluatedProperties: false
|
|
|
|
examples:
|
|
- |
|
|
spi@e0007000 {
|
|
compatible = "xlnx,zynq-spi-r1p6";
|
|
clock-names = "ref_clk", "pclk";
|
|
clocks = <&clkc 26>, <&clkc 35>;
|
|
interrupt-parent = <&intc>;
|
|
interrupts = <0 49 4>;
|
|
num-cs = <4>;
|
|
is-decoded-cs = <0>;
|
|
reg = <0xe0007000 0x1000>;
|
|
};
|
|
...
|